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LNWB Ch09 Artificial Drainage - tile drained fields shape files


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Resource type: Geographic Feature (ESRI Shapefiles)
Storage: The size of this resource is 117.3 KB
Created: Aug 14, 2016 at 5:13 p.m.
Last updated: Aug 19, 2016 at 5:10 p.m.
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Sharing Status: Public
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Downloads: 80
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Abstract

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

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
49.0009°
East Longitude
-122.1819°
South Latitude
48.6932°
West Longitude
-122.5872°

Content

Resource Specific

Geometry Information
Geometry Type POLYGON
Feature Count 187
Spatial Reference
Coordinate Reference SystemNAD_1983_StatePlane_Washington_North_FIPS_4601_Feet
DatumNorth_American_Datum_1983
UnitFoot_US
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]]

Extent

North734699.701845
East1314703.0499
South620509.289963
West1219401.88476
Field Information
Name Type Width Precision
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
WtrShdAcre Integer 4 0
Area Real 19 11
Perimeter Real 19 11
Acres Real 19 11
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

Credits

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

Contributors

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 - tile drained fields shape files, HydroShare, http://www.hydroshare.org/resource/cc60057586454d80b6f8e9e2308a31ed

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

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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