How is watershed delineation performed? What is flow accumulation derived from elevation data?

In response to the law, we developed the CASGEM program and the CASGEM Online System. Collecting and evaluating these groundwater data on a statewide scale is a ... Elevation & Content, Water Inflow Data, Glen Canyon Dam Release Data. Lake Powell is 142.15 feet below Full Pool (Elevation 3,700) By content, Lake Powell ... Observed Data. Day, Time, Reservoir Elevation, Tailwater Elevation, Average ... *Elevations are in feet above sea level. Discharges are in cubic feet per ... AERMAP requires that the elevation data are stored as GeoTIFF files which are georeferenced files in the Tagged Image File Format (TIFF). AERMAP also requires. Statewide elevation contour lines (5-ft intervals) derived from a digital elevation model originally produced as part of the 2011 Northeast Lidar Project. Type ... LiDAR and Digital Elevation Models (30M, 10M and 1M Tiles) · NRCS Geospatial Data Gateway · USGS National Map (DEM and LiDAR) · USGS 3DEP · USGS AWS cloud- as a ... A nationwide listing of known publicly available high-accuracy topographic and bathymetric source elevation data for the United States and its territories. Lake Travis: 41.9% full as of 2025-05-03 · Historical Data · Most Recent Instantaneous Water Level · Additional Information · Lake Location. The elevation data index · Auto-Correlated DEMs · Lidar elevation data · USGS 3DEP elevation products · Utah Contours 500 Foot · Utah Contours Generalized 200 ... Mar 26, 2025 ... High accuracy elevation data. Our National Elevation Programme provides LiDAR-based data for most of New Zealand. This open data is used in a ...