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 David Tarboton Upmanu Lall Michael Piasecki Xu Liang Praveen Kumar Jon Duncan LeRoy Poff Yao Liang Ken Reckhow Venkat Lakshmi Chunmiao Zheng John Helly David Maidment 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 Digital Watershed (Atmospheric, surface and subsurface water) Hydrologic Digital Library Digital files of hydrologic information in any form (ADOs), indexed by a metadata catalog (.MIF) 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… http://cuahsi.sdsc.edu Neuse Watershed Collection Santa Margarita Watershed Collection + your Hydrologic Observatory Data Collection

Hydrologic Metadata Definition Numerical Models Air-Q HSPF MM5 Sensor Arrays NCDC METADATA NWIS Individual Samples NCEP NWS NGDC Data Centers Data Harvesting

Data Flow Applications Data Models Reference Models Data Models Hydrologic Fluxes Digital Watersheds Hydrologic Observatories Data Transformations HOi Center for Hydrologic Information HOi HOi Hydrologic Synthesis Center HOi HOi HOi Federated Digital Library Data Harvesting Distributed Data Sources Distributed Data Sources Distributed Data Sources Distributed Data Sources Distributed Data Sources Distributed Data Sources Distributed Data Sources Distributed Data Sources

New Concept of Publication Hydrologic Digital Library Normal Method +

Hydrologic Data Model We need to represent the physical environment 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 Created first for the Neuse basin

http://neuse.crwr.utexas.edu/ ArcIMS Web Server displaying data compiled in Neuse HO Planning Study

Unidata: Atmospheric Science Precipitable water in the atmosphere Cross-section of relative humidity Wind vectors and wind speed (shading) Images created using Unidata’s Integrated Data Viewer (IDV) Unidata delivers real-time weather data including Nexrad to more than 100 universities

Neuse Basin: Coastal aquifer system Section line Beaufort Aquifer * From USGS, Water Resources Data Report of North Carolina for WY 2002

A 3-D Volume Model of the Beaufort Aquifer Beaufort confining layer Beaufort aquifer Given this information, we want to interpolate the observation data to generate new representations of the subsurface. We want to create cross sections and fence diagrams and to be able to create solid models of the subsurface. These examples show how fence diagrams and solids can be generated by connecting observations. We generate these objects to help us describe and reason about the structure of the subsurface. Built by Gil Strassberg from borehole information collected by the Neuse basin case study team

Groundwater Model of Savannah River Site Radioactive burial ground General head boundaries Package Streams

GIS representation of the horizontal dimension Each cell is 100 meters by 100 meters

Create a 3 dimensional representation Geovolume Each cell in the 2D representation is transformed into a 3D object Geovolume with model cells

What is a Modelshed? 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 Praveen Kumar, University of Illinois

Applications: Helping Remote Sensing and GIS data Talk Time series of Normalized Difference Vegetation Index (NDVI)

Applications: Illinois River Basin Database (ILRDB)

Water Balance in Illinois River Basin Atmospheric moisture flux Monthly streamflow NDVI Climate model precipitation Ratio to the Annual Mean Month

HIS Info for HO Proposals Now Interact with HO Proposers to clarify data requirements Nov 1 Draft HIS White Paper Review by HIS Users Committee Revision Feb 1 HO announcment is made by NSF HIS White Paper published by CUAHSI May 1 HO Proposals are submitted HIS White Paper will define what centralized services the 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 Notes: Industrial partners: ESRI, Danish Hydraulic Institute, Camp,Dresser and McKee, Dodson and Associates Government partners: Federal: EPA, USGS, Corps of Engineers (Hydrologic Engineering Center) State: Texas Natural Resource Conservation Commission, Texas Water Development Board Local: Lower Colorado River Authority, City of Austin, Dept of Watershed Protection Academic Partners: University of Texas, Brigham Young University, Utah State University

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: maidment@mail.utexas.edu John Helly hellyj@ucsd.edu http://cuahsi.sdsc.edu