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LNWB Ch09 Artificial Drainage - agriculture parsels nooksack shape files

Resource type: Composite Resource
Storage: The size of this resource is 1.3 MB
Created: Aug 13, 2016 at 7:50 a.m.
Last updated: Aug 19, 2016 at 5:11 p.m.
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Content types: Geographic Feature Content 
Sharing Status: Public
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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.

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Resource Level Coverage


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


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


Funding Agencies

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


People 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

How to Cite

Bandaragoda, C., D. Tarboton, J. Greenberg (2016). LNWB Ch09 Artificial Drainage - agriculture parsels nooksack shape files, HydroShare, http://www.hydroshare.org/resource/ce14d387eda44cd7bb2080f103e42daa

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



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