cuahsi hydrologic information systems. cuahsi hydrologic information system (his) project cuahsi...
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DataHypotheses
Needs
Tools
Data
Models
Exogenous DataTechnological
Advances
CommunitySupport
Multi-DisciplinaryTeams
HydrologicSynthesis
HydrologicObservatories
MeasurementTechnology
HydrologicInformation
Systems
CommunitySupport
AdditionalHypotheses
CUAHSI Hydrologic Information Systems
CUAHSI Hydrologic Information System (HIS) Project
• CUAHSI Standing Committee on HIS functioned from Fall 2001 to Fall 2003 and guided the proposal development
• NSF Project was awarded on April 1, 2004• This a 2-year project to define the requirements
for a Center for Hydrologic Information (CHI) and to develop a prototype HIS
• Plan for years 3 and onwards is that NSF will hold competitions for:– Center for Hydrologic Information – HydroInformatics Thematic Centers
HIS Project Team
Xu Liang
David Tarboton
LeRoy Poff
Chunmiao Zheng
Venkat Lakshmi
Ken Reckhow
Yao Liang
Upmanu Lall
David Maidment
John Helly
Praveen Kumar
Michael Piasecki
Jon Duncan
Project co-PI
Collaborator
Environmental Cyberinfrastructure
• Part of NSF Cyberinfrastructure program
• Special emphasis on environmental sciences fostered by Margaret Leinen (Asst Dir for GeoSciences)
• CUAHSI Hydrologic Information Systems is one of several pilot projects
HIS Data Organization
Hydrologic Fluxes and Flows
Hydrologic Digital LibraryDigital files of hydrologic information in any form
(ADOs), indexed by a metadata catalog (.MIF)
Digital Watershed(Atmospheric, surface and subsurface water)
Arbitrary Digital Object (ADO)
Sensor Network Interfaces to Digital Library
Example is for wireless network in Santa Margarita watershed, San Diego
HydroViewer Provides Access to…
Neuse Watershed Collection
Santa Margarita Watershed
Collection+ your Hydrologic Observatory Data Collection+ your Hydrologic Observatory Data Collection
http://cuahsi.sdsc.edu
Hydrologic Metadata Definition
Data Centers
NCDC
NWIS
NCEP
NWSNGDC
Sensor Arrays
Numerical Models
HSPF
Air-Q
MM5
IndividualSamples
METADATA
Data Harvesting
Data Flow
Center for Hydrologic Information
Reference Models Data Models Hydrologic Fluxes Data ModelsDigital Watersheds
Distributed Data SourcesDistributed Data SourcesDistributed Data SourcesDistributed Data Sources
Data Transformations
Data Harvesting
HOiHOiHOiHOiHOiHOi
HydrologicObservatories
Distributed Data SourcesDistributed Data SourcesDistributed Data SourcesDistributed Data Sources
Federated Digital Library
Hydrologic Synthesis
Center
Applications
New Concept of PublicationHydrologic
Digital LibraryNormal Method +
Hydrologic Data Model
Hydrologic Fluxes and Flows
Digital Watershed(Atmospheric, surface and subsurface water)
We need to represent the physical environment and water flowing through it
Created first for the Neuse basin
Digital Watershed:An implementation of the CUAHSI Hydrologic Data
Model for a particular region
ArcIMS Web Server displaying data compiled in Neuse HO Planning Study
http://neuse.crwr.utexas.edu/
Unidata: Atmospheric SciencePrecipitable water in the atmosphere
Cross-section of relative humidity
Images created using Unidata’s Integrated Data Viewer (IDV)
Wind vectors and wind speed (shading)
Unidata delivers real-time weather data including Nexrad to more than 100 universities
Neuse Basin: Coastal aquifer system
* From USGS, Water Resources Data Report of North Carolina for WY 2002
Section line
Beaufort Aquifer
A 3-D Volume Model of the Beaufort Aquifer
Beaufort confining layer
Beaufort aquifer
Built by Gil Strassberg from borehole information collected by the Neuse basin case study
team
Groundwater Model of Savannah River Site
General head boundaries Package
Streams
Radioactive burial ground
GIS representation of the horizontal dimension
Each cell is 100 meters by 100 meters
1600 m
3000 m
Create a 3 dimensional representation
Geovolume
Each cell in the 2D
representation is transformed
into a 3D object
Geovolume with model cells
A volumetric spatial model registered in three dimensions by a GIS, with which time-varying data, model fluxes, spatial relationships and descriptive metadata are associated
What is a Modelshed?
Praveen Kumar, University of Illinois
Applications: Helping Remote Sensing and GIS data Talk
Time series of Normalized Difference Vegetation Index (NDVI)
SALT
SPOON
KANKAKEE
IROQUOIS
UPPER FOX
LOWER ILLINOIS
LA MOINE
DES PLAINES
VERMILION
MACKINAW
MACOUPIN
LOWER FOX
UPPER SANGAMON
CHICAGO
UPPER ILLINOISLOWER ILLINOIS-SENACHWINE LAKE
LOWER SANGAMON
SOUTH FORK SANGAMON
LOWER ILLINOIS-LAKE CHAUTAUQUA
Applications: Illinois River Basin Database (ILRDB)
Water Balance in Illinois River Basin
0
0.5
1
1.5
2
2.5
3
3.5
1 2 3 4 5 6 7 8 9 10 11 12
month
rati
o t
o s
eri
es m
ean
monthly average streamflow in the Illinois River at Valley City, IL
climate simulation precipitation
normalized difference vegetation index
moisture flux
NDVI
Atmospheric moisture flux
Monthly streamflow
Climate model precipitation
Month
Rat
io t
o th
e A
nnua
l Mea
n
HIS Info for HO ProposalsNow
Nov 1
Feb 1
May 1
Interact with HO Proposers to clarify data requirements
HO Proposals are submitted
HO announcment is made by NSFHIS White Paper published by CUAHSI
Draft HIS White PaperReview by HIS Users CommitteeRevision
HIS White Paper will define what centralized servicesthe HOs should expect to be provided to them
Education:GIS for Water Resources• Graduate course taught
jointly between Univ. of Texas and Utah State Univ.
• All lectures in video streaming format and supporting class materials are archived and available free of charge on internet
• Class starts this Thursday• Grad hydrology class taught
similarly next Spring• An Arc Hydro book
available here for each HO team
Conclusions• A good start has been made with HIS
• Digital Hydrologic Library and Digital Watershed ideas are reasonably well formulated
• Work on mass balances, fluxes and flows is developing
• We want to support you in making your HO proposals to the extent we can
David Maidment: [email protected] Helly [email protected] http://cuahsi.sdsc.edu