WMS:MODRAT Rainfall: Difference between revisions
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Enter the depth of rainfall, in inches, on the subarea. The depth of rainfall on any subarea in the Los Angeles area can be determined from isohyetal maps developed by LACDPW (maps for the 2, 5, 10, 25, 50, 100, and 500-year are available). These isohyetal maps are available in ARC/INFO® Grid format for import into WMS. WMS can determine the rainfall depth in any subarea from these rainfall grids through the [[WMS:Using GIS Data to Map Parameters|Map Attributes]] command in the MODRAT menu. | Enter the depth of rainfall, in inches, on the subarea. The depth of rainfall on any subarea in the Los Angeles area can be determined from isohyetal maps developed by LACDPW (maps for the 2, 5, 10, 25, 50, 100, and 500-year are available). These isohyetal maps are available in ARC/INFO® Grid format for import into WMS. WMS can determine the rainfall depth in any subarea from these rainfall grids through the [[WMS:Using GIS Data to Map Parameters|Map Attributes]] command in the ''MODRAT'' menu. | ||
Along with defining a rainfall depth, a temporal distribution series must also be defined. The Define Series button allows you to enter the [[WMS:XY Series Editor|XY Series Editor]] in WMS. This editor allows you to import or manually enter a temporal distribution for the rainfall in the subarea. The temporal series typically used for LA County can be imported from the file LACDPWStorm1500min.xys, found in the /MODRAT/Rain/ folder of your WMS installation. | Along with defining a rainfall depth, a temporal distribution series must also be defined. The Define Series button allows you to enter the [[WMS:XY Series Editor|XY Series Editor]] in WMS. This editor allows you to import or manually enter a temporal distribution for the rainfall in the subarea. The temporal series typically used for LA County can be imported from the file LACDPWStorm1500min.xys, found in the /MODRAT/Rain/ folder of your WMS installation. | ||
Revision as of 18:47, 11 February 2013
Enter the depth of rainfall, in inches, on the subarea. The depth of rainfall on any subarea in the Los Angeles area can be determined from isohyetal maps developed by LACDPW (maps for the 2, 5, 10, 25, 50, 100, and 500-year are available). These isohyetal maps are available in ARC/INFO® Grid format for import into WMS. WMS can determine the rainfall depth in any subarea from these rainfall grids through the Map Attributes command in the MODRAT menu.
Along with defining a rainfall depth, a temporal distribution series must also be defined. The Define Series button allows you to enter the XY Series Editor in WMS. This editor allows you to import or manually enter a temporal distribution for the rainfall in the subarea. The temporal series typically used for LA County can be imported from the file LACDPWStorm1500min.xys, found in the /MODRAT/Rain/ folder of your WMS installation.
Related Topics
- Editing MODRAT Parameters
- Using GIS Data to Map Parameters
- Area
- Impervious Area
- Soil Type
- Time of Concentration
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