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Spatial Extent of Data

USGS Data Source

USGS Thesaurus Keywords

geospatial datasets, water resources, digital elevation model, streamflow, Topography, Geographic Information System, GIS, hydrology, Digital Elevation Models, DEM

ISO 19115 Topic Category

inlandWaters, geoscientificInformation, elevation, environment

Other Subject Keywords

flow accumulation, hydrologically conditioned, stream delineation, Log base10, hydrologically enforced

Place Keywords

Louisiana, United States

Log base 10 transformation of flow accumulation raster for Louisiana StreamStats

The U.S. Geological Survey (USGS), in cooperation with the Louisiana Department of Transportation, prepared hydro-conditioned geographic information systems (GIS) layers for use in the Louisiana StreamStats application. These data were used within peak flow and low flow regression equations for Louisiana. This dataset consists of digital elevation model rasters for each 8-digit Hydrologic Unit Code (HUC) area in Louisiana, one of the layer types needed to delineate watersheds within the HUC-8 areas, merged into a single dataset. LA_fac10.tif raster is the log base 10 tranformation of the flow accumulation raster LA.fac.tif. LA_fac10.tif raster should be displayed above La_fac.tif in the drawing order to illuminate the flow accumulation streamflow paths within Louisiana.The 54 HUCs represented by this dataset are 03180004, 03180005, 08030100, 08040202, 08040205, 08040206, 08040207, 08040301, 08040302, 08040303, 08040304, 08040305, 08040306, 08050001, 08050002, 08050003, 08060100, 08070100, 08070201, 08070202, 08070203, 08070204, 08070205, 08070300, 08080101, 08080102, 08080103, 08080201, 08080202, 08080203, 08080204, 08080205, 08080206, 08090100, 08090201, 08090202, 08090203, 08090301, 08090302, 11140201, 11140202, 11140203, 11140204, 11140205, 11140206, 11140207, 11140208, 11140209, 11140304, 11140306, 12010002, 12010004, 12010005, and 12040201.

Get Data and Metadata
Author(s) Paul A Ensminger orcid
Publication Date 2025
Beginning Date of Data 2019-03-06
Ending Date of Data 2019-03-06
Data Contact
Paul A Ensminger
DOI https://doi.org/10.5066/P9TV9MZC
Citation Ensminger, P.A., 2025, Log base 10 transformation of flow accumulation raster for Louisiana StreamStats: U.S. Geological Survey data release, https://doi.org/10.5066/P9TV9MZC.
Metadata Contact
Paul A Ensminger
Metadata Date 2025-05-15
Related Publication
Citations of these data No citations of these data are known at this time.
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License http://www.usa.gov/publicdomain/label/1.0/
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Harvest Source: ScienceBase
Harvest Date: 2025-09-04T05:04:25.009Z