GISHydro@Maryland

GISHydroNXT - a version of GISHydro compatible with ArcGIS 9.3.1 is now available for download.

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	Click here for GISHydro2000 Web Version Documentation for GISHydro2000 Web Version Contact us for access to web version Updated Version of the Office of Structures (OOS) "Manual for Hydrologic and Hydraulic Design" (March 15, 2010)
Updated Web Version available January 8, 2011.  See Updates. Application of Hydrologic Methods in Maryland, a report prepared by the Hydrology Panel convened by the Maryland State Highway Administration and the Maryland Department of the Environment is available on the Hydrology Panel page.

GISHydro2000 is a GIS-based software program  for performing hydrologic analysis.  It consists of a database of hydrologic layers and an ArcView™ application with customized modeling tools.  Some Features Include:

• Complete database of DEM, Land use, and soils data for Maryland drainage area.

• Watershed and channel delineation.

• Watershed statistics (drainage area, RCN, tc, more).

• Peak discharge estimates from USGS regional regression equations (with confidence intervals).

• Interface to TR-20 for subdivision, parameter calculation, rating tables, and channel routing.

1/8/2011. Web served updated to include Maryland Department of Planning 2010 land use