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Found 2077 dataset(s) matching "Hydrography".
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This data set represents the average monthly minimum temperature in Celsius multiplied by 100 for 2002 compiled for every catchment of NHDPlus for the conterminous United States. The source data...
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This data set represents the average population density, in number of people per square kilometer multiplied by 10 for the year 2000, compiled for every catchment of NHDPlus for the conterminous...
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This data set represents the average atmospheric (wet) deposition, in kilograms per square kilometer, of inorganic nitrogen for the year 2002 compiled for every catchment of NHDPlus for the...
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This tabular data set represents the mean value for infiltration-excess overland flow as estimated by the watershed model TOPMODEL, compiled for every catchment of NHDPlus for the conterminous...
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This data set represents the average normalized atmospheric (wet) deposition, in kilograms, of Nitrate (NO3) for the year 2002 compiled for every catchment of NHDPlus for the conterminous United...
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This data set represents the area of surficial geology types in square meters compiled for every catchment of NHDPlus for the conterminous United States. The source data set is the "Digital data...
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This data set represents the mean percent impervious surface from the Imperviousness Layer of the National Land Cover Dataset 2001 (LaMotte and Wieczorek, 2010), compiled for every catchment of...
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This data set represents the mean annual natural groundwater recharge, in millimeters, compiled for every catchment of NHDPlus for the conterminous United States. The source data set is...
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This arc and point data set contains streamflow-measurement sites and reaches indicating streamflow gain or loss under base-flow conditions along the Republican River and tributaries in Nebraska...
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<div style='text-align:Left;'><div><p><span>Swimming Pools. The dataset contains polygons representing planimetric pools, created as part of the DC Geographic Information System (DC GIS) for the...
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<div style='text-align:Left;'><div><div><p><span>Water. The dataset contains polygons representing planimetric waterbodies, created as part of the DC Geographic Information System (DC GIS) for the...
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<div style='text-align:Left;'><div><p><span>Traffic Barrier. The dataset contains polylines representing planimetric traffic barriers, created as part of the DC Geographic Information System (DC...
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This USGS data release is intended to provide a baselayer of information on likely stream crossings throughout the United States. The geopackage provides likely crossings of infrastructure and...
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Sidewalk Grates. The dataset contains points representing planimetric grates, created as part of the DC Geographic Information System (DC GIS) for...
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<div style='text-align:Left;'><div><div><p><span>Runway, taxiway, apron, airport perimeter, or helipad. The dataset contains polygons representing planimetric runway, taxiway, apron, airport...
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The Office of Water Linked Data (OWLD) dataset stores EPA Water program information indexed to several National Hydrography Dataset frameworks. Indexing may be accomplished by catchment, reach or...
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Data available in Zenodo via doi: 10.5281/zenodo.16318572 Headwater streams play critical roles in hydrologic and biogeochemical processes and functions, yet their spatial distribution and land...
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Bridges and Tunnels. The dataset contains polygons representing planimetric bridges and tunnels, created as part of the DC Geographic Information...
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This data set represents the area of each level 3 nutrient ecoregion in square meters, compiled for every catchment of NHDPlus for the conterminous United States. The source data are from the...
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This dataset represents the area of each physiographic province (Fenneman and Johnson, 1946) in square meters, compiled for every catchment of NHDPlus for the conterminous United States. The...