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(Hyperlink to Official Landing Page for Geospatial Fabric products) The Geospatial Fabric provides a consistent, documented, and topologically connected set of spatial features that create an abstracted stream/basin network of features useful for hydrologic modeling.The GIS vector features contained in this Geospatial Fabric (GF) data set cover the lower 48 U.S. states, Hawaii, and Puerto Rico. Four GIS feature classes are provided for each Region: 1) the Region outline ("one"), 2) Points of Interest ("POIs"), 3) a routing network ("nsegment"), and 4) Hydrologic Response Units ("nhru"). A graphic showing the boundaries for all Regions is provided at http://dx.doi.org/doi:10.5066/F7542KMD. These Regions are identical...
Tags: Geodata,
Geographic Information Systems (GIS),
Geospatial Fabric Features,
Geospatial Fabric Features for National Hydrologic Modeling,
Hydrologic Response Units (HRUs), All tags...
Hydrologic modeling,
NHDPlus,
Points of Interest (POIs),
Routing Network (segments),
U.S.,
USA,
USGS Science Data Catalog (SDC),
United States of America,
Water Resources,
boundaries,
environment,
geoscientificInformation,
location, Fewer tags
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Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a 1-meter ground resolution, quarter-quadrangle (3.75-minutes of latitude by 3.75-minutes of longitude) image cast on the Universal Transverse Mercator Projection (UTM) on the North American Datum of 1983 (NAD83).The geographic extent of the DOQ is equivalent to a quarter-quad plus The overedge ranges a minimum of 50 meters to a maximum of 300 meters beyond the extremes of the primary and secondary corner points. The overedge is included to facilitate tonal matching for mosaicking and for the placement of the NAD83 and secondary datum corner ticks. The normal orientation...
Categories: Data;
Types: Downloadable;
Tags: 1-meter orthophoto,
1994,
DOQ,
DOQQ,
WY, All tags...
Wyoming,
aerial,
aerial photograph,
b and w,
black and white,
bw,
digital image map,
digital orthophoto,
digital orthophotoquad,
imageryBaseMapsEarthCover,
orthophoto,
photography,
quarter-quadrangle orthophoto,
rectified image,
rectified photograph, Fewer tags
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The USGS SAGEMAP provides a GIS Database for Sage Grouse and Shrubsteppe Management in the Intermountain West. SAGEMAP provides documents on recient developements, information, interactive maps, and data concerning sage ecological communities in the US.
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This dataset contains geochemical data for unconsolidated sediments (stream sediments, lake sediments, etc.) collected by U.S. Geological Survey (USGS) personnel and analyzed in the analytical laboratories of the Geologic Division of the USGS. These data represent analyses of sediment samples collected in support of various USGS programs. The data were originally entered into the in-house Rock Analysis Storage System (RASS) database which was used by the Geologic Division from the early-1970's through the late-1980's to archive geochemical data. An unpublished CD-ROM was developed in 1996 that contains the RASS data in GSSEARCH format. That CD was used to generate this data set.
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This data set includes dissolved oxygen (DO) and specific conductivity (SpC) data collected in both the surface water and shallow streambed at the Quashnet River, Mashpee, USA from 2014-16. This data was collected to better understand groundwater discharge to the river and associated brook trout habitat. DO was typically near saturation in surface water and some groundwater, but is reduced in streambed zones that may be influenced by buried peat lenses. SpC was used as an indicator of groundwater flowpath dynamics, and lower values were generally associated with higher DO.
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