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Data Extent

NorWeST modeled summer stream temperature scenarios for the western U.S.

NorWeST summer stream temperature scenarios were developed for all rivers and streams in the western U.S. from the > 20,000 stream sites in the NorWeST database where mean August stream temperatures were recorded. The scenarios include: 1) Adobe PDF format maps depicting historical and future modeled mean August stream temperatures, 2) graphs (JPG format) demonstrating the accuracy of the temperature model, and 3) GIS shapefiles (SHP format) representing the spatially modeled stream temperatures. The GIS shapefiles include stream lines and associated mid-points representing 1 kilometer intervals along the stream network. Stream lines were derived from the 1:100,000 scale NHDPlus dataset (USEPA and USGS 2010; McKay et al. 2012). Shapefile extents correspond to NorWeST processing units, which generally relate to 6 digit (3rd code) hydrologic unit codes (HUCs) or in some instances closely correspond to state borders. The line and point shapefiles contain identical modeled stream temperature results. The two shapefile formats are meant to complement one another for use in different applications. In addition, spatial and temporal covariates used to generate the modeled temperatures are included in the shapefile attribute tables. The NorWeST NHDPlusV1 processing units include: Salmon, Clearwater, Spokoot, Missouri Headwaters, Snake-Bear, MidSnake, MidColumbia, Oregon Coast, South-Central Oregon, Upper Columbia-Yakima, Washington Coast, Upper Yellowstone-Bighorn, Upper Missouri-Marias, and Upper Green-North Platte. The NorWeST NHDPlusV2 processing units include: Lahontan Basin, Northern California-Coastal Klamath, Utah, Coastal California, Central California, Colorado, New Mexico, Arizona, and Black Hills.

FieldValue
Tags
Modified
2020-01-18
Release Date
2016-01-01
Identifier
oai_rda_fs_usda_gov_RDS_2016_0033
Spatial / Geographical Coverage Area
POLYGON ((-126.033239 49.353079, -100.25938 49.353079, -100.25938 30.784584, -126.033239 30.784584))
Spatial / Geographical Coverage Location
Modeled temperature data are for streams and rivers throughout California, Oregon, Washington, Nevada, Utah, Idaho, Montana, Wyoming, Colorado, Arizona, New Mexico, and South Dakota.
Publisher
Forest Service Research Data Archive
Temporal Coverage
January 1, 1993 to December 31, 2015
License
Contact Name
Chandler, Sharon (Parkes) Payne or Gwynne
Contact Email
Public Access Level
Public
Program Code
005:059 - Department of Agriculture - Management Activities
Bureau Code
005:96 - Forest Service
Harvested from Forest Service
Harvest Source TitleForest Service
Harvest Source URIhttps://www.fs.usda.gov/rds/rdaoaipmh/o
Last Harvest PerformedSat, 01/18/2020 - 15:18

Metadata Source

U.S. Forest Service