Transcript Xitian Cai
A Critical Review of CUAHSI
HydroDesktop
CE 394K.2 Surface Water Hydrology
Xitian Cai
Center for Research in Water Resources
University of Texas at Austin
Contents
• Development
• In CUAHSI
• Outside CUAHSI
• Improvement
• Conclusions
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1. Web Service Development
• Paper copy, Disk storage, Email, FTP, Web
page
• Web services
– XML, SOAP, WSDL, UDDI
• Desktop software
– Integrated Data Viewer
– HydroDesktop
(http://en.wikipedia.org/wiki/Web_service)
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2. Products in CUAHSI HIS
• HydroGET
• HydroExcel
• HydroSeek
• HydroDesktop
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(To & Whiteaker, 2008)
Active Web
Service
Information
Text
Learning about
the web service
Worksheet
Shortcuts
Example
Web Services
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Tutorial
Advantage: combining all the features in previous products.
Disadvantage: not easy to use, need a help document.
Any Polygon
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3. Products Outside CUAHSI HIS
• Unidata (UCAR)
– Integrated Data Viewer (IDV)
– Local Data Manager (LDM)
– THREDDS
–…
• Environmental Data Connector (NOAA)
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3. Outside CUAHSI
Summary
• Integrated Data Viewer (IDV )
– Deals with satellite and radar data
– Display animation, 3D view
• Environmental Data Connector
– Easy to use
– An extension in ArcGIS
• HydroDesktop
– Comprehensive
– Specialize in hydrology and environmental
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4. Suggestions for Improvement
• Minor changes
• Base Model
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USGS EROS Data Center
Arc Hydro
USGS Streamflow dataBase
Model
(Base Map, Structure & Data)
USDA Soils Data
Setting up HydroModeler → HydroDesktop download data
automatically.
National Land Cover Institute
National Climate Data Center
Nexrad stage III precipitation data
(Figures from AGWA model)
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Model structure and
data needed.
Base Model
USGS EROS Data Center
National Land Cover Institute
Offers everyone a model.
Saves users’ time for their research
DEM interests.
Download
to Database
Standard.
Land use
HydroDesktop
…
Base Model
USDA Soil data
Soil
Delineate
& Link maps
together
Precipitation
National Climate Data Center
Nexrad stage III precipitation data
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5. Conclusions
• Integrates the products in CUAHSI project
• Has more features than some other likewise
products
• Base model for everyone
• Future work
– More suggestions
– Report
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Thank you!
Questions?