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LNWB Ch09 Artificial Drainage - watershed and hydric minus tile shape files

Authors: Christina Bandaragoda · David Tarboton · Joanne Greenberg
Owners: Jimmy Phuong · Christina Bandaragoda
Resource type:Geographic Feature (ESRI Shapefiles)
Created:Aug 14, 2016 at 4:57 p.m.
Last updated: Aug 19, 2016 at 5:09 p.m. by Jimmy Phuong


Compressed GIS files used in PhaseIIITask4 to create ditch and tile drain layers.

Spatial data files specifying the areas with ditch and tile drainage were developed in 2004 by the USDA, Natural Resources Conservation Service (NRCS; Resource Conservationist, John Gillies, and Agricultural Engineer, Dean Renner). Drainage coefficients from NRCS technical guides are shown in Table 2. The drained areas were estimated using a geographic information system (GIS) to identify hydric soils on agricultural land use areas, based on the assumption that if a hydric soil was cleared and in agricultural use, then there was a drainage system in place to manage water using sub-surface (tile) and surface (open ditch) practices. For the Lower Nooksack Water Budget these are areas used to determine the tile drained and ditch drained fraction of each drainage model element as well as to assign drainage coefficients.

This resource is a subset of the LNWB Ch09 Artificial Drainage Collection Resource.

Subject Keywords

Artificial drainage shape files,watershed,hydric

How to cite

Bandaragoda, C., D. Tarboton, J. Greenberg (2016). LNWB Ch09 Artificial Drainage - watershed and hydric minus tile shape files, HydroShare, http://www.hydroshare.org/resource/e503a8232c0246f2a645640d49329454

This resource is shared under the Creative Commons Attribution CC BY.


Sharing status:

  • Public Resource  Public
  • Sharable Resource  Shareable



 Coordinate System/Geographic Projection:  WGS 84 EPSG:4326
 Coordinate Units:  Decimal degrees
North Latitude
East Longitude
South Latitude
West Longitude


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The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
Christina Bandaragoda University of Washington Washington, US
David Tarboton Utah State University 4357973172
Joanne Greenberg


People or organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
John Gillies USDA, Natural Resources Conservation Service
Dean Renner USDA, Natural Resources Conservation Service
Mary Dumas Dumas & Associates
Peter Gill Whatcom County Public Works
Jeremy Freimund Lummi Nation
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
LNWB Ch09 Artificial Drainage Christina Bandaragoda · Jimmy Phuong  Public &  Shareable Open Access
Geometry Information
Geometry TypePOLYGON
Feature Count5413
Spatial Reference
Coordinate Reference SystemNAD_1983_StatePlane_Washington_North_FIPS_4601_Feet
Coordinate StringPROJCS["NAD_1983_StatePlane_Washington_North_FIPS_4601_Feet", GEOGCS["GCS_North_American_1983", DATUM["North_American_Datum_1983", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["False_Easting",1640416.666666667], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-120.8333333333333], PARAMETER["Standard_Parallel_1",47.5], PARAMETER["Standard_Parallel_2",48.73333333333333], PARAMETER["Latitude_Of_Origin",47.0], UNIT["Foot_US",0.3048006096012192]]


Field Information
Name Type Width Precision
MUSYM String 8 0
MUNAME String 73 0
MUKEY String 30 0
SoilAcres Real 3 1
FIRST_ORDE String 25 0
SECOND_ORD String 30 0
THIRD_ORDE String 25 0
FORTH_ORDE String 35 0
DRAIN_NAME String 60 0
SQ_MILE Real 18 2
WCAGCODE String 12 0
ASRLU Integer 4 0
WtrShdAcre Integer64 10 0
Area Real 19 11
Perimeter Real 19 11
Acres Real 19 11


This resource was created using funding from the following sources:
Agency Name Award Title Award Number
WRIA 1 Joint Board Lower Nooksack Water Budget Whatcom County Contract 201111021


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