HydroCloud Help Page
Welcome to the HydroCloud wiki!
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Map: The mapping page. This page defaults to a Google Maps interface using the topographic maps as a background and the current NEXRAD precipitation image as the foreground. Points represent USGS stream gages. By clicking on a point, the stream discharge and precipitation data for that site will be loaded into the system, where it can be viewed on the graphing page. Clicking on a point will also open a dialog box giving supplementary information about the site, including the name and ID# of the stream gage.
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Graph: The graphing page. There are two graphs available:
- Hydrograph: Stream discharge, measured in cubic feet per second (cfs) is plotted on a logarithmic Y axis. Time is plotted on the X axis. The tooltip displays the discharge and the name of the stream gage.
- Flow Duration: a plot of all stream discharge measurements in cfs ordered by size, from largest to smallest. Stream discharge is plotted on the y axis in a logarithmic scale in scientific notation, so that "1e+2" equals 100 cfs and "4e+3" = 4000 cfs.
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Stats: The site statistics page. This lists each site that has been selected in the map view, along with some simple site statistics, including the USGS site # and the area of the watershed in square miles.
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? (help): Takes you to this page.
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Chat: Opens a chat sidebar where you can ask for help or post your comments.
Map: The mapping page. This page defaults to a Google Maps interface using the topographic maps as a background and the current NEXRAD precipitation image as the foreground. Points represent USGS stream gages. By clicking on a point, the stream discharge and precipitation data for that site will be loaded into the system, where it can be viewed on the graphing page. Clicking on a point will also open a dialog box giving supplementary information about the site, including the name and ID# of the stream gage.
Graph: The graphing page. There are two graphs available:
Stats: The site statistics page. This lists each site that has been selected in the map view, along with some simple site statistics, including the USGS site # and the area of the watershed in square miles.
? (help): Takes you to this page.
Chat: Opens a chat sidebar where you can ask for help or post your comments.
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