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GIS and Water Data Services
David R. Maidment
Center for Research in Water Resources
The University of Texas at Austin
Morning Schedule
• Session 1 (8:30-10AM): Basic Principles– David Maidment: Introduction– Clint Brown: ESRI’s “Hydro Vision”– Christine Eggers: What is a Services-Oriented Architecture?
• Morning Break: 10-10:30
• Session 2 (10:30-12 noon): Building Texas HIS– David Maidment: Introduction to CUAHSI Water web services and
Texas HIS– Tim Whiteaker: Storing and Publishing Water Observations Data
Services– Dean Djokic and Christine Eggers: Portal Toolkit for HIS Node– Dean Djokic: Using Arc Hydro and CUAHSI Services
Afternoon Schedule
• Session 3 (1:30-3PM): Consuming Web Services– Darren Baird: Chesapeake Bay Watershed Assessment– Pravin Rana and Charles Kovatch: Web services for NHD – Nawajish Noman: Using NEXRAD– Dean Djokic and Nefi Garza: San Antonio Flood Viewer
• Afternoon Break: 3-3:30
• Session 4 (3:30-5PM): Enterprise Level Water and GIS Data Systems– Richard Baldwin: Use of Geoportal Toolkit and WaterML at the National
Climatic Data Center– Tony Boston: Australian GeoFabric for water resources management
and ingestion of water observations data to construct a set of national water accounts
– Klaus Kisters: Open standardization for KISTERS time-series management software
A services oriented architecture is a ‐concept that applies to large, distributed
information systems that have many owners, are complex and heterogeneous, and have considerable legacies from the
way their various components have developed in the past (Josuttis, 2007).
Services-Oriented Architecture
RainfallWater quantity
Groundwater
Water Observations Data
Meteorology
Soil water
Water quality
HTML as a Web Language
Text and Picturesin Web Browser
<head><meta http-equiv="content-type" content="text/html; charset=utf-8" /><title>Vermont EPSCoR</title><link rel="stylesheet" href="epscor.css" type="text/css" media="all" /><!-- <script type='text/javascript' language='javascript‘ src='Presets.inc.php'>--></head>
HyperText Markup Language
WaterML as a Web Language
Discharge of the San Marcos River at Luling, TX June 28 -
July 18, 2002
Streamflow data in WaterML language
Linking GIS and Water Resources
GISWater
Resources
Arc Hydro: GIS for Water Resources
• Arc Hydro– An ArcGIS data model for
water resources– Arc Hydro toolset for
implementation– Framework for linking
hydrologic simulation models
The Arc Hydro data model andapplication tools are in the publicdomain
Published in 2002, now in revision for Arc Hydro II
WFS and WaterML
Observations Data in Time in WaterML
Observations Metadata in Space in GML as a Web Feature Service
GIS Portal Toolkit
