WMS:Texas Department of Transportation: Difference between revisions

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#Main Channel Slope: Computed by WMS, currently needs to be transferred manually from basin data parameters to NSS window.
#Main Channel Slope: Computed by WMS, currently needs to be transferred manually from basin data parameters to NSS window.
#Mean Annual Precipitation: Derived from a map located at the [http://tg-twdb-gemss.s3.amazonaws.com/d/hydro/tx_precip.zip TNRIS website].  You can also download the shapefiles directly from [http://tg-twdb-gemss.s3.amazonaws.com/d/hydro/tx_precip.zip here]
#Mean Annual Precipitation: Derived from a map located at the [http://tg-twdb-gemss.s3.amazonaws.com/d/hydro/tx_precip.zip TNRIS website].  You can also download the shapefiles directly from [http://tg-twdb-gemss.s3.amazonaws.com/d/hydro/tx_precip.zip here]
#OmegaEM residual from 2009 5087: Derived from a map located in [http://pubs.usgs.gov/sir/2009/5087/pdf/sir2009-5087.pdf this report]
#OmegaEM residual from 2009 5087: Derived from a map located in [http://pubs.usgs.gov/sir/2009/5087/pdf/sir2009-5087.pdf this report].  A link to the report is also contained on the [http://water.usgs.gov/osw/programs/nss/pubs.html#tx USGS Documentation Site for NSS]

Revision as of 13:33, 22 August 2013

WMS Modeling Tips for Texas Department of Transportation

NSS

The TXDOT Regression Equation for watersheds in rural areas is listed in the NSS program as "Peak Rural Statewide 2009 5087". The equation requires the following parameters:

  1. Drainage Area: Computed by WMS
  2. Main Channel Slope: Computed by WMS, currently needs to be transferred manually from basin data parameters to NSS window.
  3. Mean Annual Precipitation: Derived from a map located at the TNRIS website. You can also download the shapefiles directly from here
  4. OmegaEM residual from 2009 5087: Derived from a map located in this report. A link to the report is also contained on the USGS Documentation Site for NSS
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