hiding and showing information: the challenges of combining scientific data from the public and...
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Hiding and showing informationThe challenges of combining scientific data from the public and private domain
Esther Jansma
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Weather (temperature and precipitation)
Light conditions (photosynthesis)
Soil (hydrology)
Events (insect outbreaks, forest fires, human impacts)
Tree growth: annual tree-ring width
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Tree-ring measurements
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Matching undated patterns with dated reference chronologies
DDF00101
-5801 -5751 -5701 -5651 -5601 -5551
5801 BC 5751 BC 5701 BC 5651 BC
Subfossil oaks 6th millennium BC, Province of Friesland (De Deelen)
Applications in the Humanities: Dating
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Living tree21st century
Building17th century
Ship wreck9th century
Roman road2nd century
Building tree-ring reference chronologies
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Determining the origin of wood
Middelcurve Batavia ABA12340 DETRENDED
Middelcurve Batavia ABA12340
ABA00031
ABA00021
ABA00041
ABA00011
1300 1350 1400 1450 1500 1550 1600 1650 1700
Hull planks from Dutch East India vessel De Batavia
Polish reference chronologie (blue)
Applications in the Humanities: Provenancing
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Determining how wood was processed
Doors from cabin of Roman barge ‘De Meern 1’: 1 plank
Applications in the Humanities: Technology
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Establishing clearing, thinning, coppicing etc.
Trees of Roman bridge Cuyk –Middelaar felled in AD 367/68
Increased growth of remaining trees in this forest{
400350300250200
Applications in the Humanities: interaction with environment
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• Physical Geography: landscape and vegetation reconstructtion
• Biogeology: chronological and spatial variations of weather in the past, climate reconstruction
Applications in the Earth and Life Sciences
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Applications: using large data sets
Annually resolved variations of May to June temperature between 1040 and 2011 AD in Eastern Europe
Tree rings reveal climate variability and human history
Büntgen, U. et al. (2013): Filling the Eastern European gap in millennium-long temperature reconstructions, Proceedings of the National Academy of Sciences, USA doi:10.1073/pnas.1211485110
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Wood sources
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Wood sources
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Wood sources
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Organization of cultural dendrochronology
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A future scenario…
Organization of dendrochronologyData
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Organization of dendrochronology
Verifyable data and results?
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Organization of dendrochronology
data mining?
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Solution: digitizing, standardizing and connecting data for verification and reuse
The DCCD projectStrategy
Phase 1: inventary of needs, developing concepts and network (workshops, questionaires, interviews)Start-up subsidy NWO/GW IM 2006-2007
Phase 2: development of infrastructure and content Low CountriesSubsidy NWO/GW IM 2007-2012
Phase 3: internationalization, research and publication; EU-fundingSubsidy NWO/GW IG 2010-2013
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Strategy
Standardization and exchange of data and metadata
Stustainable repository focussed on cultural and natural heritage
Intersectoral collaboration (within the discipline and with other fields, nationally and internationally)
While doing this: involve and be aware of the whishes and needs of the private sector
The DCCD projectStrategy
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Model of the DCCD infrastructure
Software (PC)
Digitaldata standard
The DCCD projectProducts
Archive
Communicationplatforms
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Infrastructure realized in 2012
TRiDaS
The DCCD projectProducts
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The DCCD projectStrategy
Participants
Academics, research assistants, PhD students, company directors/co-workers, public servants (NL, BE, UK, DE, FR, PL, DK, LT, LI, AU, SL, USA, SP)
Strategy: Dutch ‘polder model’
• Have meetings, develop data model and research together, get financial support for key parties who otherwise cannot (continue to) participate, stress scientific and financial gain, share results
• Let authors of data remain data owner, make sure your data model and digital repository allow the hiding and unlocking of information (e.g., layered data model).
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Content 26 February 2013
4875 projects5301 objects>50.000 time series
• palaeo-ecology• archaeology• architecture• mobile heritage• living trees
The DCCD projectContent
Grabner BOKU University AU 122
Hoffsummer Liege University BE 255
Fraiture IRPAKIK (public sector) BE 215
Haneca Flemish Heritage (public sector) BE 133
Pressler Pressler GmbH (company) D 607
Tegel Dendronet (company) FR 122
Lambert Liege University, CNRS (combination)
FR 99
Pukiene Vytautas Magnus University LT 20
Zunde Institute of Latvian History (public sector)
LV 12
Jansma RCE, RING Foundation, Utrecht University (combination)
NL 2223
Van Daalen BAAC bv (company) NL 865
Cufar Ljubljana University SL 7
Suspereggi Arkeolan (company) SP 16
Brown Queens University Belfast UK 148
Tyers English Heritage (public sector) UK 27
Kuniholm Cornell University USA 4
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The DCCD projectContent
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Geographical distribution: heritage type
Heritage type
Archaeology (n=1769) Architecture (n=2410)
Ship wrecks (n=288) Paintings (n=327)
The DCCD projectContent
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Wood species
Geographical distribution: wood species
Oak (n=4397) Pine (n=270)
Spruce (n=156) Fir (n=258)
The DCCD projectContent
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6000 – 2000 BC(n=71)
2000 – 1 BC(n=214)
1 – 1000 AD(n=520)
1000 – present(n=2386)
Age (calendar dates)
Geographical distribution: time interval
projectContent
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The tree-ring repository is growing
- Finland: dendrochronologists are switching to new data standard TRiDaS
- Commercial software: incorporating TRiDaS
- Software USA: first open source TRiDaS-based measuring and analytic system has been lauched (TELLERVO)
- and…
The DCCD projectRecent developments
Support for DCCDEurope and USA
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The DCCD projectRecent developments
Support for DCCDEU, through DANS
ARIADNE EU 7th framework
Combines and integrates existing archaeological research data infrastructures so that researchers can use the various distributed datasets and new and powerful technologies as an integral component of the archaeological research methodology.
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Challenges of the projectTechnical• Multi-lingual aspects (queries)• Evolving data model
Judicial• Different laws in different countries: ‘Freedom of Information Act’ (UK, USA) versus no strict rules
Project-related (after the development phase has ended)• Keep ‘external’ participants active:
joined research and publicationsimprove the infrastructure (facilities and content)help participants (mail, phone)
• Keep support of own organization: make digital connectionspublish in visible media
The DCCD projectChallenges
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The DCCD projectNew Research
Roman period
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The DCCD projectNew research
Roman periodTwo millennia ago…
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The DCCD projectNew research
Roman periodDe Meern 1: AD 150 - 200
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The DCCD projectNew research
Roman periodDe Meern 4: AD 100
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The DCCD projectNew research
Roman periodClustered data 100 BC-450 AD
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De Meern 4 + cabin doors De Meern 1: Flemish timberHypothesis: Roman coastal infrastructure (water)
The DCCD projectNew research
Roman periodNew: a Flemish connection
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The DCCD projectNew research
16th-17th century AD
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16th-17th century ADOak from the Ardennes
Architecture (roof)
Ship wreck
Barrel
Architecture (foundation)
The DCCD projectNew research
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16th-17th century ADOak from the Ardennes
The DCCD projectNew research
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16th-17th century ADOak from the Ardennes
Chronologies of four different labs, different structures and objects
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16th-17th century ADOak from the Ardennes: absolute dates
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16th-17th century ADArdennes timber: Dutch revolt1568-1648
Soldiers Plundering a FarmhouseSebastian Vrancx (1573-1647)painted c. 1600(from: Child 2001)
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16th-17th century ADArdennes timber: Dutch revolt1568-1648
Felling seasonLeiden: 75% in spring after the logging season
Wood transport- accross territorial boundaries
1592
1585
1622
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In addition to this workNew research funding NWO Humanities
2012-2017 (UU)
The Dark Age of the Lowlands
1. Occupation patterns and land use
2. Natural landscape evolution
3. Climate and vegetation changes
The DCCD projectNew research
New researchEarly Middle Ages
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Conclusion
The DCCD infrasctucture has improved
• International data standardization
• Access to and sustainable management of these data
• New research questions and results
• Research funding
The DCCD project
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DCCD repository: http://dendro.dans.knaw.nl (DANS)
Digital Collaboration Platform www.uu.nl/vkc/dendrochronology (UU)
Public webpages about DCCD-based projects
DCCD user information and FAQ’s
Links to TRiDaS-based software for PC and all source code
Environment for further developing controlled vocabularies
Tree-Ring Data Standard, TRiDaS: www.tridas.org
My adress: [email protected]
Het DCCD projectWebsites
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