Filters: Tags: Drainage basins (X) > Categories: Data Release - Revised (X)

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National Fish Habitat Partnership (NFHP) 2015 Anthropogenic Disturbance Data for Southeast Alaska With Link to the Modified NHD with Catchments v1.1 This CSV file contains landscape factors representing anthropogenic disturbances to stream habitats summarized within local and network stream catchments of Southeast Alaska. The source datasets compiled and attributed to spatial units were identified as being: (1) meaningful for assessing fluvial fish habitat; (2) consistent across the entire study area in the way that they were assembled; (3) broadly representative of conditions in the past 10 years, and (4) of sufficient spatial resolution that they could be used to make valid comparisons among local catchment units. Variables summarized at the catchment scale include measures of anthropogenic land uses, population density, roads, dams, mines, culverts, 303d... Categories: Data, Data Release - Revised; Tags: 2015 National Assessment, 2015 National Assessment, Alaska, Anthropogenic factors, DataProduct, All tags... Environmental condition, Habitat Characterization, Lotic, NFHP Cooperator, NHDHR, NoVisual, Regional Assessment, Spatial Data, USGS Science Data Catalog (SDC), drainage basins, environmental assessment, human impacts, inlandWaters, river reaches, streams, water quality, Fewer tags Data for the Estimation of Regional Flow-Duration Curves for Indiana and Illinois (ver. 2.0, February 2021) This data release is currently being revised and is temporarily unavailable. Digital datasets were used to develop basin characteristics whose values are used in multiple regression equations and tested for the use in predicting flow-duration curves (FDCs) in ungaged areas of Illinois and Indiana. Several basin characteristics are easily derived from StreamStats (https://streamstats.usgs.gov/ss/) basin delineations themselves, such as basin area and basin centroid. Other basin characteristics require ancillary datasets as input. The data provided through this data release are those data that have been collected, tested, and ultimately selected as a basis for FDC development. These include Soil Components (Available... Categories: Data Release - Revised; Tags: Basin characteristic, Flow-duration curve, Hydrology, Illinois, Indiana, All tags... USGS Science Data Catalog (SDC), Water Resources, drainage basins, stream-gage measurement, streamflow, watershed, Fewer tags Ephemeral channel heads and digital elevation models used to extract stream networks in Clarksburg, MD (ver. 2.0, October 2021) This dataset describes the location of channel heads survyed in two headwater watersheds in Clarksburg, Montgomery County, Maryland, and the digital elevation models derived from light detection and ranging (lidar) covering the two watersheds. The digital elevation models were used to derive topographic attributes used to delineate drainage networks that were then assessed for accuracy using the field-surveyed channel heads. First posted - January 21, 2021 (available from author) Revised - October 15, 2021 (version 2.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Maryland, USGS Science Data Catalog (SDC), drainage basins, land surveying, river systems, All tags... streams, Fewer tags Data Release of Basin Characteristics, Generalized Skew Map, and Peak-Streamflow Frequency Estimates in Oklahoma, 2017 (ver. 1.1, September 2020) The U.S. Geological Survey (USGS) Oklahoma-Texas Water Science Center, in cooperation with the Oklahoma Department of Transportation, updated basin-characteristic data for Oklahoma streams with drainage areas of less than 2,510 square miles. Basin characteristics were updated or created for 248 streamgages. The previously published Oklahoma generalized skew map, a necessary element in the development of the peak-streamflow frequencies was updated. Compared to a previous dataset described in (Lewis, 2010), this dataset incorporates an additional 9 years of annual peak-streamflow data, including 2 years when major peak-streamflows were recorded (2015 and 2017). The additional years of data collection since the publication... Categories: Data, Data Release - Revised; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Oklahoma, Texas, USGS Science Data Catalog (SDC), digital elevation models, drainage basins, All tags... generalized skew, geoscientificInformation, inlandWaters, none, peak-flow frequency, streamflow, streamgage, surface water (non-marine), utilitiesCommunication, Fewer tags