Hydrologic Information Systems and the CUAHSI HIS Desktop Application
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Transcript of Hydrologic Information Systems and the CUAHSI HIS Desktop Application
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Hydrologic Information Systems andthe CUAHSI HydroDesktop
ApplicationJiri Kadlec,
Daniel Ames, Tevaganthan VelupillaiIdaho State University
Some Slides Courtesy of the CUAHSI HIS Project Team
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Talk Overview
• Hydrologic Information System• HydroDesktop Application• MapWindow GIS Components• Community Development
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What is HIS?
• The CUAHSI* Hydrologic Information System (HIS) provides web services, tools, standards and procedures that enhance access to more and better data for hydrologic analysis.
• http://his.cuahsi.org*Consortium of Universities for the Advancement of Hydrologic Science, Inc.http://www.cuahsi.org
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Rainfall & SnowWater quantity and quality
Remote sensing
Water Data
ModelingMeteorology
Soil water
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Metadata
Catalog
HIS CentralHIS Central
HydroHydroDesktopDesktop
HIS Central
HIS System Overview
Users
USGS
EPAData
HIS Servers
Data Discovery And Access
Data Access
Data Registration
Data
WebService
UniversitiesData
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• Built for data– Storage
– Loading
– Analysis
– Publication
• HIS Software
HIS ServerReal‐time Sensors
WaterOneFlowWeb Service
Data Archives
Outside UsersLocal Users
ODM Tools
HIS Server
SQL Server
Observations DataModel Database
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Getting Water Data (the old way)Different Query Pages Different Query Responses
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Web Pages versus Web Serviceshttp://www.safl.umn.edu/
http://his.safl.umn.edu/SAFLMC/cuahsi_1_0.asmx
Uses Hypertext Markup Language (HTML)Uses WaterML
(a Markup Language for water data)
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HTML as a Web LanguageText and Picturesin Web Browser
<title>Texas Water Development Board</title><!DOCTYPE HTML PUBLIC "‐//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta name = "Robots" content = "index,follow"><meta name = "Priority" content = "home,twdb,homepage"><meta name = "Author" content = "Texas Water Development Board, Agency Number 580"><meta name = "Title" content = "Texas Water Development Board"><meta name = "Description" content = "Texas Water Development Board Home Page"><meta name = "Keywords" content = "water,drought,rain,conservation,groundwater,surfacewater,lake,reservoir,hydrology,geology,desalination,TWDB,loans,grants,wastewater,sewage,Clean Water,Drinking Water,State Revolving Fund,planning,State Water Plan,GIS,Geographic Information Systems,Mapping,data">
HyperTextMarkup Language
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WaterML as a Web LanguageDischarge of the San Marcos River at Luling, June 28 ‐ July 18, 2002
Streamflow data in WaterML language
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HydroDesktopClient Application
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HydroDesktop GIS Capabilities
•Add shapefiles to map•Change symbology and labels•Print and export map•GIS toolbox and Modeler
GIS
•Search for data•Download data•Display time series•Export data
Hydrology
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HydroDesktop Data Search
•Where? (geographicregion)
•What? (variable –keyword)
Search Criteria
•When? (time range)
•Who? (data providers)
Air Temperature in Quebec Province
Example:
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HydroDesktop Data search – select region
•Draw bounding box•Select polygons•Select Country•Select State•Select County•Select Watershed
Region selection
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HydroDesktop Data search – select keywords
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HydroDesktop Data search – Search Results
Air Temperature - Quebec
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HydroDesktop Data Download
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Hydrodesktop Table View
• List of timeseries (legend)
• Data valuestable
• Export to text file / csv/ Excel
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HydroDesktop Buildingblocks
Actual Data Dababase
MetadataCache
Database
Database
Access
Layer
HIS ServerWeb Services
Web Service
API
HIS CentralWeb Service
HydroDesktopMainApplicationPlug-in Interface
Search plug-inGraph View plug-in
Metadata plug-in
MapWindow GIS Components
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MapWindow GIS Components
• Map• Legend• Toolstrip• Toolbox• Progress
Handler• Plug-in
Manager
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MapWindow Components -Map
• Drag – drop componentsto the form in Visual Studio orSharpDevelop
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HydroDesktop Plug‐in Development
•Metadata Fetcher•HydroModeler (Open MI)•Graph View•Advanced Search
Existing plugins
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HydroDesktop Collaborative Development
A web‐based collaborative software development environment was set up on CodePlex.com. This site includes a discussion forum, wiki, source code repository and versioning system, and bug/issue tracking system.
www.HydroDesktop.org
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Thank you for your attentionwww.HydroDesktop.org
www.mapwindow.org