monitoring the environmental changes in europe · significant and measurable improvement in...
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![Page 1: Monitoring the Environmental Changes in Europe · significant and measurable improvement in Europe’s environment. • Means: To build indicators, assessments and data flows to organise](https://reader035.vdocuments.mx/reader035/viewer/2022070705/5e9226f5129bb44242232566/html5/thumbnails/1.jpg)
february 2007 METIER Graduate Course n°2 -
Information Management in
Environmental Sciences
1
Territories, Environment, Remote Sensing & Spatial Information Joint Research Unit Cemagref - CIRAD - ENGREF
Monitoring the Environmental Changes in Monitoring the Environmental Changes in
EuropeEurope
EEA data organisation towards spatial assessments
METIER METIER GraduateGraduate Training Course n°2 Training Course n°2 –– Montpellier Montpellier -- februaryfebruary 20072007
Information Management in Information Management in EnvironmentalEnvironmental SciencesSciences
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 2
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Presentation mapPresentation map
1. What is the EEA?2. European needs (policy effectiveness, economy, etc. ): from
questions to organisation3. Data architecture and infrastructures to meet different needs4. Spatial assessments: a Platform as superstructure to the EEA
data infrastructure
5. Examples of applications1. Land accounts
2. Ecosystem accounts
3. River fragmentation
4. Stratification of catchments data
6. Developments, research and Networking. Questions and clarifications: Debate
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 3
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
The EEA mandateThe EEA mandate
• Who are we? The EEA was set up as a legally independent Community body under EC Regulation 1210/90, adopted in May 1990 and revised in 1999. The Agency started working in Copenhagen in 1994.
• Mandate: To deliver timely, targeted, relevant and reliable information for environmental policy-making and for the assessment of environmental achievements and outcomes.
• Purpose: To support sustainable development and to help achieve significant and measurable improvement in Europe’s environment.
• Means: To build indicators, assessments and data flows to organise information and produce knowledge. To this end, the EEA is the European node of EIONET (European Information and Observation NETwork)
• Means of information: www.eea.europa.eu opens to reports, data, links
1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 4
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
EEA assessments and reporting are EEA assessments and reporting are
based on the DPSIR modelbased on the DPSIR model
• They follow the MDIAK steps:– Monitoring
– Data
– Information
– Assessment
– Knowledge
• And are based on:– Exploiting literature,
– Carrying out its own assessments from data, raising methodological
and policy relevance issues
1
DRIVERS PRESSURES STATE IMPACTS RESPONSES
Economic
activities
Impacts on the
economy
Demographic
and social
drivers
Impacts on the
population
Natural driversImpacts on the
ecosystem
Synthesis
environmental
indicators
Warning
Abstraction of
resources,
Land use,
Emissions,
Generation of
waste
Quantity,
Structure,
Quality,
Functionning
Protection,
Control,
Economic
instruments,
Participation
Protection,
restoration
Prevention,
abatement
Economic
instruments
Participation
Sustainability
assessment
Key pressure
indicators
Compensation of
damage
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 5
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Europe’s needs are to manageEurope’s needs are to manage
� The cost of environmental protection � the “burden” issue
� The Environmental performance of the economy � the “decoupling” issue
� The cost of insufficient environmental protection � the “externalities” issue
� The Assessment of policies � the “effectiveness/efficiency” issue
� The conservation of comparative advantages � the “natural capital” issue
2
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 6
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
European needs can be satisfied if…European needs can be satisfied if…
� Relevant information is available (relationships economy / environment, etc.),
� Information is comprehensive (areas adequately covered),
� Projections can be done accurately (scenarios, forecasts),
� Reporting is made through adequate frameworks (Environmental accounts, etc.)
� Making cooperation between different institutions more effective: structuring this cooperation is prerequisite.
2
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 7
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
The European cooperation for the The European cooperation for the
environment environment
� Relevant information is available (relationships economy / environment, etc.),
� Information is comprehensive (areas adequately covered),
� Projections can be done accuratelly (scenarios, forecasts),
� Reporting is made through adequate frameworks (Environmental accounts, etc.)
� Making cooperation between different institutions more important: structuring this cooperation is prerequisite.
2
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 8
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
The European cooperation for The European cooperation for
environmental monitoring…environmental monitoring…
2
Intern.Conv.
M SPublic
EEA
COM
Member StatesData
Information Users
UsefulInformation
Compliance
checking
Policy
Effectiveness
SoE
Trends An.
Purposes for reporting
Drivers for data collection
Data
treatment
and
aggregation
Data treatment
and aggregation
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 9
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
The Data Centre conceptThe Data Centre concept
• The main institutions: DG Environment, DG Estat, DG JRC and the EEA (‘Go4’) contribute, each in its domain, to the building of environmental assessment towards sustainable development,
• Sharing data and data processes is the logical next step,
• The Go4 decided to develop ‘Data centres’ at the EU level to avoid duplication of efforts, as components of the Shared European Environmental Information System (SEEIS):
– Water, air, CC, biodiversity, land use are EEA responsibility,
– Soil, Forests, Chemicals are JRC responsibility
– .. Is Estat responsibility
2
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 10
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
TheThe Data Centre concept as Data Centre concept as strategicstrategic
component SEIScomponent SEIS
• Data Centres deal with dynamic information, and builds upon Spatial Data Information (SDI) and aims at using Reportnet to populate all topics,
• SDI is the infrastructure of baseline information on supports, driven under Inspire,
• The assessments are carried out through spatial platform, (nicknamed ‘SPAICE’) that uses infrastructure, dynamic data and assessment tools.
2
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 11
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Infrastructure to meet needsInfrastructure to meet needs
� For example, land coverage structures the relationships between ecosystems and human activities, which is assessed, inter alia, by CORINE Land cover,
� It poses the question of different data sets and resolution scales, that in turn drive the infrastructure
Land UseEcosystems Health….
3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 12
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency3Some data sets Some data sets
typestypes……
“Image 2000” Corine LC
LC Changes
Parcellisation Stratification
Connectivity Natura 2000
MonitoringStatistics
Emission /surplus
Land accountsCORRESPONDANCE BETWEEN LAND COVER CHANGES (CLC LEVEL 3) AND THE LAND COVER FLOWS
132 133 141 142 211 212 213 221 222 223
Dump sites Construction
sites
Green urban
areas
Sport and
leisure
facilities
Non-irrigated
arable land
Permanently
irrigated land Rice fields Vineyards
Fruit trees
and berry
plantations
Olive groves
243 Land principally occupied by
agriculture w ith significant areas
of natural vegetation
Extension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
244 Agro-forestry areasExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensification
of agriculture
Intensif ication
of agriculture
Intensif ication
of agriculture
Planting of
vineyards, fruit
and olive trees
over arable &
pasture
Planting of
vineyards, fruit
and olive trees
over arable &
pasture
Planting of
vineyards, fruit
and olive trees
over arable &
pasture
311 Broad-leaved forestExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
f orest to
agriculture
Intensive
conversion of
f orest to
agriculture
312 Coniferous forestExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
f orest to
agriculture
Intensive
conversion of
f orest to
agriculture
313 Mixed forestExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
f orest to
agriculture
Intensive
conversion of
f orest to
agriculture
321 Natural grasslandExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
322 Moors and heathlandExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Infrastructures
Apportionment
4
3
1
2
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 13
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
…and other…and other
Monitoring
Corine LChabitats
Natura 2000
Meteo data
Pedology
Climate /soil
Functional SMAquifers
Emission /surplusGW in
hydrosystem
Ecosystem account
CORRESPONDANCE BETWEEN LAND COVER CHANGES (CLC LEVEL 3) AND THE LAND COVER FLOWS
132 133 141 142 211 212 213 221 222 223
Dump sites Construction
sites
Green urban
areas
Sport and
leisure
facilities
Non-irrigated
arable land
Permanently
irrigated land Rice fields Vineyards
Fruit trees
and berry
plantations
Olive groves
243 Land principally occupied by
agriculture w ith significant areas
of natural vegetation
Extension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
244 Agro-forestry areasExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensification
of agriculture
Intensif ication
of agriculture
Intensif ication
of agriculture
Planting of
vineyards, fruit
and olive trees
over arable &
pasture
Planting of
vineyards, fruit
and olive trees
over arable &
pasture
Planting of
vineyards, fruit
and olive trees
over arable &
pasture
311 Broad-leaved forestExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
f orest to
agriculture
Intensive
conversion of
f orest to
agriculture
312 Coniferous forestExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
f orest to
agriculture
Intensive
conversion of
f orest to
agriculture
313 Mixed forestExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
forest to
agriculture
Intensive
conversion of
f orest to
agriculture
Intensive
conversion of
f orest to
agriculture
321 Natural grasslandExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
322 Moors and heathlandExtension of
dumpsitesConstruction
Development of
green urban
areas
Extension of
sport and
leisure f acilities
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
Intensive
conversion of
marginal land to
agriculture
InfrastructuresSediment budget
7
6
5
3
Data sets are the pieces structured
by the architecture, their use
(sketched by the blocks) is done
through the ‘spatial platform’ that
handles data, models and
assessments.
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 14
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
SPAICE designed primarily around SPAICE designed primarily around
land, biodiversity and waterland, biodiversity and water
Water
Quality
Pesticides
to rivers
Intensive
agriculture
Wetland
drainage
Forest
manage
ment
Eutrophi
cationSpecies
dynamics
Frameworks for
monitoring & data
collection
Environmental
Accounts
Geographical
Information
System
DPSIR
Data
Integration &
Modelling
Analytical &
Predictive
Modelling
Assessment of Policy
Effectiveness/
Efficiency
Regular Reporting on
State & Trends
Indicators
Eco-Environmental
Performance
AssessmentCosts/ benefits
Analysis of projects
WEB-based Data
Dissemination to the
Public
Cost of
environmental
damages and risks
GIS Analysis
at the various
scales
SPAICE* is understood as a base for data assimilation,
integration and modelling for policy making
and a knowledge-
making system that can grow
4
Spatial Platform for Assessing and Integrating Components of the Environment
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 15
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
The structure of SPAICEThe structure of SPAICE
• GIS (administrative,
hydrosystems, land cover, natural areas, …)
• Assimilation tools (harmonise statistics, monitoring, and produce aggregates)
• Assimilated data (for further uses, dissemination and modelling)
4
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 16
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Current development of SPAICECurrent development of SPAICE• GIS (semi-static)
– Rivers and catchments: CCM (delayed), wetlands, TéléAtlas®, new version based on national data sets and CCM. Key issues are geometrical accuracy (to snap objects), connectivity and routing (to model phenomena) and comprehensive coverage (to encompass whole Europe).
– Administrative & transport: TéléAtlas®, GISCO– LandCover: CORINE land cover
– Aquifers, soils, bedrock (not yet available, on going, …)– …
• Assimilated data (rather dynamic)– Land Cover changes),– Dams (Eldred2 data base)– WaterBase (aggregated), volunteer countries (raw data),– Population (raster), emissions (EPER, …), agricultural balances (models, statistics)– WFD reported data,– Rainfall patterns and climatic data (from reanalysed data, under discussion),– …
• Assimilation tools– NOPOLU for river quantity, quality, fluxes, agri-surplus, water accounts, stratification of layers
(catchment ready, on going),– LEAC data system…
For the time being, data is partly populated and the assimilation tool only partly implemented.
The volume of information is very large, its comprehensiveness poor and the harmonisation rather difficult.
4
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 17
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Land Land covercover accountsaccounts. . Background and Background and
OverviewOverview
• There is a growing demand for
spatially explicit indicators for to support policies for
– nature,
– regional development,
– agriculture,
– transport,
– coastal management …
5.1
Source: Source: JeanJean--Louis Weber, EEA, Louis Weber, EEA,
[email protected]@eea.europa.eu
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 18
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Background and OverviewBackground and Overview
• Supported by Eurostat (= DG Estat), the EEA has carried out the feasibility study of land cover accounts, in the continuation of the pioneer work at UNECE in the 1990’s and part of the development of the SEEA 2003. Using the two Corine land cover data sets, the EEA has published a first set of accounts 1990-2000 for 24 countries.
• EEA has demonstrated that at European scales land accounts can be constructed in ways that are:
– Conceptually robust
– Capable of being maintained ‘operationally’; and
– ‘Fit for purpose’, in both the scientific and policy arenas
• The work also provides an important platform for future developments in relation to:
– The construction of integrated ecosystem accounts
– Making sustainability impact assessments
– Modelling and scenario development
– Support to almost all other development on spatial assessment
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 19
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Accounting conceptual model applied to Accounting conceptual model applied to
land accounts land accounts
Do gains compensate for losses? Can gain
substitute to losses?
Loss of stocke.g. by deforestation
Gain in stocke.g. by afforestation
Has the quality of the stock been maintained?
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 20
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Accounting for Stocks & FlowsAccounting for Stocks & Flows
Land cover changes matrix Land cover x land use matrix
ΣΣΣΣ ΣΣΣΣ
Land cover
(initial state)
ΣΣΣΣ
Land cover (final state)
ΣΣΣΣ
Land cover core account
Land use x activities matrix
economic
decisions
natural
causes
multiple
causes ΣΣΣΣ
La
nd
co
ver
Ac
tiv
itie
s/ s
ecto
rsΣΣΣΣ ΣΣΣΣ
Land cover flows
due to Final
state
Land cover (final state)
Land use functions
Land use functions
La
nd
co
ver
(i
nit
ial
sta
te)
La
nd
co
ver
flo
ws
Initial
state
Land use accounts and
Ecosystem accounts
Land use accounts and
Ecosystem accounts
Basic land cover stocks
and flows accounts
Basic land cover stocks
and flows accounts
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 21
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Data infrastructuresData infrastructures
CORINE Land Cover 1990 and 2000CORINE Land Cover 1990 and 2000
Enables us to map stock and change…Enables us to map stock and change…
… and to construct stock and flow accounts
… and to construct stock and flow accounts
…and to report them using a range of
different geographical frameworks
…and to report them using a range of
different geographical frameworks
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 22
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Data infrastructures… and flowData infrastructures… and flow
Smallest
mapping unit for
stock 25ha
Change mapped at 5ha
Smallest
mapping unit for
stock 25ha
Change mapped at 5ha
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 23
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
The approach used to generate The approach used to generate
the LEAC record for stockthe LEAC record for stock5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 24
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Stock and changeStock and change
A stock and change account for European land cover, 24 countries, 1990-2000A stock and change account for European land cover, 24 countries, 1990-2000
Hierarchical classification of land cover, 44 classes
at most detailed level
Hierarchical classification of land cover, 44 classes
at most detailed level
Stocks 1990 & 2000, Formation and consumption of land cover, Net change and rates of Turnover
Stocks 1990 & 2000,
Formation and consumption of land cover, Net change and rates of Turnover
Corine land cover types 1 2A 2B 3A 3B 3C 4 5
Land cover flows
Art
ific
ial are
as
Ara
ble
lan
d &
perm
an
en
t cro
ps
Pastu
res &
mo
saic
s
Fo
reste
d lan
d
Sem
i-n
atu
ral
veg
eta
tio
n
Op
en
sp
aces/ b
are
so
ils
Wetl
an
ds
Wate
r b
od
ies
Total land cover 1990, km² 161860 1174325 820109 1030635 264932 52593 46915 45854 3597223
Total Consumption of 1990 land cover, km² 1843 24608 17607 39899 9018 2304 1413 381 97074
Total Formation of 2000 land cover, km² 10556 18144 15333 45343 4177 1858 383 1280 97074
Net Formation of Land Cover (formation-consumption) 8712 -6463 -2275 5444 -4842 -446 -1030 899
Net formation as % of initial year 5.4 -0.6 -0.3 0.5 -1.8 -0.8 -2.2 2.0
Total turnover of land cover (consumption+formation) 12399 42752 32940 85242 13195 4162 1796 1661 194148
Total turnover as % of initial year 7.7 3.6 4.0 8.3 5.0 7.9 3.8 3.6 5.4
No land cover change 160016 1149717 802502 990736 255914 50289 45502 45473 3500149
No land cover change as % of intial year 98.9 97.9 97.9 96.1 96.6 95.6 97.0 99.2 97.3
Total land cover 2000, km² 170572 1167861 817835 1036079 260090 52147 45885 46754 3597223
To
tal, k
m²
Corine land cover types12A2B 3A3B3C45
Art
ific
ial are
as
Ara
ble
lan
d &
p
erm
an
en
t cro
ps
Pastu
res &
m
osaic
sF
ore
ste
d lan
dS
em
i-n
atu
ral
veg
eta
tio
nO
pen
sp
aces/ b
are
so
ils
Wetl
an
ds
Wate
r b
od
ies
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 25
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Summary indicatorsSummary indicators5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 26
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
From changes to flowsFrom changes to flows
LCF3
LCF1
LCF2
LCF5
LCF4
LCF7
LCF6
LCF8
Change Matrix(44x43=1932
possible changes)summarized into
flows by aggregation
LCF9
Land cover flows
LCF1 Urban land management
LCF2 Urban residential sprawl
LCF3 Sprawl of economic sites and infrastructures
LCF4 Agriculture internal conversions
LCF5 Conversion from other land cover to agriculture
LCF6 Withdrawal of farming
LCF7 Forests creation and management
LCF8 Water bodies creation and management
LCF9 Changes due to natural & multiple causes
1990
20005.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 27
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Flow accountsFlow accounts
A flow account describing processes of land cover change
in Europe, 24 countries, 1990-2000
A flow account describing processes of land cover change
in Europe, 24 countries, 1990-2000Corine land cover types 1 2A 2B 3A 3B 3C 4 5
Land cover flows
Art
ific
ial a
reas
Ara
ble
lan
d &
pe
rma
ne
nt
cro
ps
Pa
stu
res
&
mo
sa
ics
Fo
reste
d l
an
d
Se
mi-
na
tura
l
ve
geta
tio
n
Op
en
sp
ac
es
/ b
are
so
ils
We
tla
nd
s
Wa
ter
bo
die
s
LCF1 Urban land management 737 15 19 0 8 0 0 780
LCF2 Urban residential sprawl 1924 1867 200 145 8 3 2 4149
LCF3 Sprawl of economic sites and infrastructures 77 2728 1595 665 451 35 22 53 5627
LCF4 Agriculture internal conversions 17252 10062 27314
LCF5 Conversion from other land cover to agriculture 273 935 1796 1734 155 96 50 5039
LCF6 Withdrawal of farming 2393 2860 5253
LCF7 Forests creation and management 254 35803 5166 1048 1063 3 43337
LCF8 Water bodies creation and management 191 252 253 117 190 17 21 1042
LCF9 Changes due to natural & multiple causes 311 44 15 1317 1323 1041 229 252 4534
Total Consumption of 1990 land cover, km² 1843 24608 17607 39899 9018 2304 1413 381 97074
No Change 160016 1149717 802502 990736 255914 50289 45502 45473 3500149
Total land cover 1990, km² 161860 1174325 820109 1030635 264932 52593 46915 45854 3597223
LCF1 Urban land management 780 780
LCF2 Urban residential sprawl 4149 4149
LCF3 Sprawl of economic sites and infrastructures 5627 5627
LCF4 Agriculture internal conversions 15695 11619 27314
LCF5 Conversion from other land cover to agriculture 2450 2590 5039
LCF6 Withdrawal of farming 1124 2792 1244 23 70 0 5253
LCF7 Forests creation and management 42547 766 24 43337
LCF8 Water bodies creation and management 21 1021 1042
LCF9 Land Cover due to natural & multiple causes 4 2167 1790 313 260 4534
Total Formation of 2000 land cover, km² 10556 18144 15333 45343 4177 1858 383 1280 97074
No Change 160016 1149717 802502 990736 255914 50289 45502 45473 3500149
Total land cover 2000, km² 170572 1167861 817835 1036079 260090 52147 45885 46754 3597223
To
tal, k
m²
Hierarchical classification
of land cover, 44 classes
at most detailed level
Hierarchical classification
of land cover, 44 classes
at most detailed level
Hierarchical classification of flows ~the
processes of land cover change…
Hierarchical classification of flows ~the processes of land cover change…
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 28
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Artificial land uptakeArtificial land uptake5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 29
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
PlayingPlaying atat thethe ad hoc ad hoc scalescale
• The LEAC database is open to the public, but itsuse is not trivial.
• The database is stored at the ETC/LUSI web site
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 30
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Comparison of artificial land uptake by countriesComparison of artificial land uptake by countries
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 31
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Mapping flowsMapping flows
Patterns of urban sprawl
across Europe,
24 countries, 1990-2000, 1km x 1km grid
Patterns of urban sprawl
across Europe,
24 countries, 1990-2000,
1km x 1km grid
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 32
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Mapping flows: urban sprawl, by gridMapping flows: urban sprawl, by grid5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 33
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Mapping flows: urban sprawl, by regionsMapping flows: urban sprawl, by regions
Intensity of urban
sprawl, 1990-2000, by NUTS 2/3 region;
sprawl is now expressed
on a unit area basis
Intensity of urban
sprawl, 1990-2000, by NUTS 2/3 region;
sprawl is now expressed
on a unit area basis
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 34
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Main change in land use by agricultureMain change in land use by agriculture5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 35
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Extension of forest territory by creation or removal of farmingExtension of forest territory by creation or removal of farming5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 36
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Mapping & analysing flowsMapping & analysing flows
Data held on a standardised 1km x 1km Europe wide grid which
enables construction of a different
‘zonal accounts’ including those for:•Regions
•Biogeographical zones•Mountain areas
•Coastal zones
•Major sea basins •Dominant landscape types…
Data held on a standardised 1km x 1km Europe wide grid which
enables construction of a different
‘zonal accounts’ including those for:•Regions
•Biogeographical zones
•Mountain areas
•Coastal zones
•Major sea basins •Dominant landscape types…Sprawl of artificial areas 1990-2000 on Europen coasts,
by dominant land cover types, km²
0
100
200
300
400
500
600
700
800
900
North Sea
Mediterra
nean
Black Sea
Baltic
Atlantic
D1 - Composite landscape
C2 - Open semi-natural or
natural landscape
C1 - Forested landscape
B2 - Rural mosaic and
pasture landscape
B1 - Broad pattern
intensive agriculture
A2 - Dispersed urban
areas
A1 - Urban dense areas
Sprawl of artificial areas 1990-2000 on Europen coasts,
by dominant land cover types, km²
0
100
200
300
400
500
600
700
800
900
North Sea
Mediterra
nean
Black Sea
Baltic
Atlantic
D1 - Composite landscape
C2 - Open semi-natural or
natural landscape
C1 - Forested landscape
B2 - Rural mosaic and
pasture landscape
B1 - Broad pattern
intensive agriculture
A2 - Dispersed urban
areas
A1 - Urban dense areas
e.g
Dominant Landscape Types
5.1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 37
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Towards Ecosystem accountingTowards Ecosystem accounting
• Open questions– Can ecosystems be accounted?
– Accountable variables: habitats, ecosystem services, energy fluxes,
etc.
• Tentative assessments– Focus on threshold effects (resilience, see B. Walker paper)
– Key drivers of existence are geographical, geological, climatological
and edaphic factors that can be modelled through probabilistic
approaches…
– …and compared to species distribution in view to provide reference
population of habitats, ecosystem services, etc.
• Documentation available on CIRCA
5.2
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 38
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
River fragmentation by obstaclesRiver fragmentation by obstacles
• Continental waters are used for different activities: water supply, transport, energy production, through the building of dams, abstractions, etc.
• This resulted is fragmentation of river systems having consequences which must be accurately analysed at the European level.
• EEA took the initiative of developing the analysis of fragmentation as a component of the spatial assessment, collecting data and building calculation tools
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 39
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Definitions of fragmenting devicesDefinitions of fragmenting devices
• Longitudinal: between a river and its annexes on the flood plain, situated along river banks (not addressed here), results from encroachments for example,
• Transversal: clips the water course and the catchments into more or less separated segments, is mainly the result of damming and water abstractions
• The definition of what makes an “obstacle“ is quite open and is contextual to the target to assess (difficulty to keep neutral approach and the level of aggregation where fragmentation matters positively or negatively and if the considered target exists or not).
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 40
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Example of dams making or not Example of dams making or not
fragmentation of riverfragmentation of river
Dam Savarière on the Jaunay river (France): obstacle to fish, etc.
Dam new Emosson on the Barberine river (Switzerland / France): does not fragment vs. fish (cascade damming).
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 41
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
River fragmentation indicator issuesRiver fragmentation indicator issues
• Indicators are part of the SoE reporting (not addressed in the legislation)
• Three families of environmental targets:1. Hydrologic fragmentation
• Change in hydrological cycle (from hourly cycles to inter-annual terms)• Discontinuity in river flow (diversion, abstractions, etc.)
2. Sediment budgets fragmentation• Sediment trapping by damming• Dam clogging by sediments• Sediment movements impeded by bed modifications
3. Ecological fragmentation• Sea � river reproductive migrations• River � river / annexes reproductive & trophic migrations• River valleys as corridors
• Fragmentation is not the mirror of connectivity...!• Fragmentation is the counterpart of equipments made for beneficial
uses
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 42
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Organisation of descriptors buildingOrganisation of descriptors building
• Building fragmentation indicators for the EEA requires:– Defining the message to be presented within the DPSIR framework (status
e.g.. km of.. , pressure e.g. km of ... / kW produced, etc.),
– Defining the descriptors required and their calculation procedure,– Building the data sets needed by the calculation of descriptors.
– Assessing consistency and uncertainty (incld. bias) of descriptors, in relation with data availability and modelling capabilities.
• State of the art– Large dams database (almost completed), non-large dams inclusion very
partial
– Rivers GIS (under development)– Calculation module (under development, presented)
– Ancillary data (to be collected)
– Indicators definition (still to be discussed).
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 43
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Defining descriptors: fish issuesDefining descriptors: fish issues
• Long-distance migrators– Reach the target river areas in due time, sufficient number and
good condition from sea
– Spend life-cycle in river in good conditions,
– Reach back sea areas in (due time), sufficient number and good
condition
– Capacity of passing obstacles between 0 to 2 (3?) metres height.
• “Resident” fish– Having enough life space at their disposal, represented by length of
river open for circulating
– Limited capacity of passing obstacles
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 44
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
How to analyse fragmentation?How to analyse fragmentation?Salmo
1
2
3
4
5
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 45
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Data issuesData issues
• Obstacles– Position,
– Characteristics (date commissioning, destruction, heights, fish passing equipments / facilities / possibilities, etc.)
– Linking dam to lake (and identifying natural lakes)
• River systems– River routes,
– Connectivity
– Geometrical accuracy (snapping obstacles)
• Fish data– Usual (define) routes & apportionment of migrators
– Capacities / requirements per species
– Other threats (predation, etc.)
– Is a “functional fish” acceptable interim solution?
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 46
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Large dams: number and volumeLarge dams: number and volume
Cumulated volume reaches close to 400 billion m3, yielding an average 65 hm3 per large dam. 77 dams storing at least 1 billion m3 represent a total capacity of ~212 billions m3 (2.7 on the average), including the 42 billions m3 Atatürk dam.
Cumulated volume reaches close to 400 billion m3, yielding an average 65 hm3 per large dam. 77 dams storing at least 1 billion m3 represent a total capacity of ~212 billions m3 (2.7 on the average), including the 42 billions m3 Atatürk dam.
Problems to solve: 1. Correcting inaccuracies and Relating
to hydrosystems,2. Assessing what matters,3. Evaluating pros and cons in a
sustainable development perspective (water cycle & supply, sediment, ecology, energy and security).
4. Assessing if large dams are enough…
Problems to solve: 1. Correcting inaccuracies and Relating
to hydrosystems,2. Assessing what matters,3. Evaluating pros and cons in a
sustainable development perspective (water cycle & supply, sediment, ecology, energy and security).
4. Assessing if large dams are enough…
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 47
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
DesigningDesigning thethe correct dams correct dams databasedatabase
• Accurate identification– “large dams” provided by Icold…
– … but no positioning, history lost, few data on lake
• Organise dams and reservoir database– Derived from Eldred (1998),
– Manages input from Dampos and outputs to GoogleEarth
• Positioning dams is prerequisite to:– Local database management (Eldred2) and inserting proxy
coordinates,
– Web tool (Dampos [http://dampos-demo.eea.europa.eu]) for positioning vs. ground image, with the help of Icold specialist
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 48
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
This dam is not accurately located. Place
cursor where the position seems to be
and click...
Then confirm new point and, if necessary
complete comments and other data
New position is recorded and coordinates ready for collection by the DB
administrator.
Overview of any country is available also, it allows as well to reanalyse a dam by clicking on
its position
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 49
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Can be displayed on public Can be displayed on public
GoggleEarth…GoggleEarth…Almost 4000 dams already positioned with variable accuracy among ~6600
The latest version of
Eldred2 allows collecting
position from GoggleEarth
file as well
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 50
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Are large dams enough to carry out Are large dams enough to carry out
assessments?assessments?
• Currently ~7000 large dams in Europe,
• On the single Loire and Brittany district, ~10,700 dams recorded, most mattering vs. fish issues
• Main difficulty are:– Getting information (CEMAGREF does not exist in all European
countries…)
– Reformatting information and inserting into Eldred
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 51
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Inserting dams in the HydrosytemInserting dams in the Hydrosytem
• Finding / building the reference system– Two river systems, to simplify:
• CCM2: geometrically incorrect (not all!), connected, poorly routed, homogeneous,
• ERC2 (on development): geometrically accurate, poorly connected,deeply routed, heterogeneous.
– On the way to blend both
– National systems more and more available, quality variable
• Matching dam, lake and river:– River inexistent or not in system,
– River geometry inaccurate
– Dam not on river (dam error)
Maulde river
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 52
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Dam not on river?Dam not on river?• GIS does not
replace attribute analysis
• Not on river may be on canal or may be dyke. Example the Oraison dam (France)
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 53
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Present or Present or
Inexistent Inexistent
reservoir?reservoir?
In both In both
cases cases
many many
sources sources
involvedinvolved
Icold + Dampos dam
Fr Bd-Carthage river
Image2000 © lake area
Corine Lc lake
TeleAtlas© lake area
Image2000 © lake area
Icold + Dampos dam
EU CCM2 river
5.3
Dam not inserted:
commissioned after
last Icold release…
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 54
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
River data processing: Analysis of the River data processing: Analysis of the
WFD specificationsWFD specifications
• Demands programme of measures:– to “prevent deterioration of the status” and achieve “good status...
at the latest 15 years”, and “bring the bodies of water progressivelyto the required status”,
– Following “coherent and comprehensive overview of water status”, and survey it
– Through identification of “significant | main” pressures and
– Assessment of status at the “water body type” level, minimizing the impact of seasonal variability ..... Reflect “...changes in the WB as a result of changes...” {pressures}
• All terms pose practical and theoretical questions about their accuracy and uncertainty– Some questions still under development
– Necessary compromise to use available data (subset of existing data)
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 55
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Uncertainty in the data process. The Uncertainty in the data process. The
position of the EEAposition of the EEA
data Monitoring
Processing Assessing
data
Other factors
Decision
Other factors
MeasuresImplementing
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 56
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Why Analysing trends?Why Analysing trends?
• Trend analysis contributes to responding to
WFD requirements
• Stratified statistics were carried out considering:– Catchments as statistical population, (comprehensive). Poses fundamental
question: what is the adequate catchment definition?
– Pressures through aggregates of land cover, population and livestock,
defining strata in the catchments population, (significant pressures, WB
types)
– Nitrate, phosphate and ammonium developments with time (progressively)
– On annual unbiased averages (...seasonal..)
• To compute time trends and year of target meeting (achieve... at the latest...)
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 57
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency“Thickness of the line”
Data dispersion frame
Reporting Reporting
uncertaintiesuncertainties
Non compliant observations post target meeting
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 58
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Sample resultsSample results–Intra strata variability,–Inter-years variability–Source data uncertainty–Stratum uncertainty–Orphan strata assessment–Increasing uncertainty with reduction in size–Stationarity, linearity?–Reporting choices
5.3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 59
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
AgencyComparing Driving Forces and Comparing Driving Forces and
emissions (e.g., surplus vs. strata)emissions (e.g., surplus vs. strata)
DF, national
criteria and
thresholds
Stratification (with
respect to Agri. And
Urban drivers
Surplus calculation
results of agri. Stats, CL
cover and Ifen /EEA
model
3
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 60
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Developments, research and Developments, research and
NetworkingNetworking
• SPAICE is just starting, and backs on developed methodologies / data sources. Next steps include completing hydrosystem issues and starting to build interrelationships with terrestrial habitats
– Fragmentation of terrestrial systems,– Relationships agriculture / ecosystems at large scales– Developing water accounting (quality, quantity), raising some theoretical questions about
quality assessment and trend analysis– etc.
• Major identified important adding are:– As data: Rainfall and climatic (on standard grid for example)– As layers:
• Aquifers (delineation, functional information, refilling areas, outlets, etc.), completing JRC work• Soil functions and characteristics• Geological background
– As assimilation tools: building the relationships with other data and layers
• EEA networking opens more and more to thematic and generic organisations, to enlarge the EIONET concept to expertise and science.
5
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 61
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Thanks for your attention…Thanks for your attention…
Floor open to questions and Floor open to questions and
clarifications!clarifications!
• www.eea.europa.eu
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 62
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Trends in groundwater Nitrate concentrations: Nitrate
pollution of groundwater appears stable at the European level. However, when the data is broken down by country, 24 % (out of 142) individual groundwater bodies show decreasing nitrate concentrations while in 19 % concentrations are increasing.
But…
Example of indicator: Nitrate in GWExample of indicator: Nitrate in GW• Is the assessment representative?
• Is the assessment relevant?
• Is the phenomenon dynamics understood in the DPSIR? (is it related to policy effectiveness or to natural / uncontrolled conditions?)
• Are there possible relationships with other environmental issues? (e.g. river quality, wetlands, mass discharge to the sea, etc.)
E1
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february 2007 METIER Graduate Course n°2 - Information Management in Environmental Sciences 63
Monitoring the Environmental Changes in EuropeMonitoring the Environmental Changes in Europe European Environment
Agency
Example on Rivers: historical outcomesExample on Rivers: historical outcomes
• Lessons from the "Dobris" assessment lead to:– Addressing representativity issues,
– Considering the scope of classical methods,
– Finding appropriate responses, that do not cover all issues related
to reporting on rivers.
• This outcome could be quite general.
Is this representative?
Is this
comprehensive?
Is this
relevant ?
Despite accurate questioning, this
first work initiated a process of
revisiting traditional approaches
and lead to more comprehensive
addressing river issues through
relevant and representative
methodologies.
E2