Filters: Tags: NWALT (X) > partyWithName: Water Resources (X)

Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Citation (3) Contacts Michael E Wieczorek James Falcone Maryland-Delaware-D.C. Water Science Center Office of Planning and Programming James A. Falcone More... Categories Data (1) Tag Types Theme (3) Place (3) Harvest Set (2) Label (2) USGS Scientific Topic Keyword (2) Tag Schemes None (3) View Results as: JSON ATOM CSV

National 1-kilometer rasters of selected Census of Agriculture statistics allocated to land use for the time period 1950 to 2012 This dataset consists of a series of rasters covering the conterminous United States. Each raster is a one kilometer (km) grid for 18 selected Census of Agriculture statistics mapped to land use pixels for the time period 1950 to 2012. A supplemental set of 9 statistics mapped at the entire county level are also provided as 1-km rasters. The rasters are posted as ArcGIS grids. The statistics represent values for crops, livestock, irrigation, fertilizer, and manure usage. Most statistics are mapped for all 14 Census of Agriculture reporting years in that time frame: 1950, 1954, 1959, 1964, 1969, 1974, 1978, 1982, 1987, 1992, 1997, 2002, 2007, and 2012. Categories: Data; Types: Citation; Tags: Census of Agriculture, Conterminous U.S., Cropland, Crops, Dasymetric mapping, All tags... Fertilizer, Historical agricultural data, Irrigation, Land Use Change, Land use, Livestock, Manure, NWALT, National Water Quality Program, USGS Science Data Catalog (SDC), United States, Fewer tags County fresh-water withdrawal water use allocated to relevant land uses in the United States: 1985 to 2010 This product is a series of six national 1-kilometer (km) raster datasets, for five year intervals between 1985 and 2010, representing USGS Water Use "Total Fresh Water Withdrawals", allocated to areas of land use representing anthropogenic use. Pixels representing anthropogenic uses (urban, agriculture, and mining land uses) are derived from the NAWQA Wall-to-wall Anthropogenic Land-use Trends (NWALT) product (Falcone, 2015), a series of decadal national raster datasets for the period 1974-2012. The raster datasets created here are intended as a source of information for estimating water use for watersheds, at the scale of HUC12 watersheds and coarser. Units are millions of gallons per day (mgd) per square km. Types: Citation; Tags: Anthropogenic water use, Conterminous U.S., Dasymetric mapping, Freshwater withdrawals, Land use, All tags... NWALT, National Water Quality Program, USGS Science Data Catalog (SDC), United States, Water Resources, Water Use, inlandWaters, Fewer tags Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NAWQA Wall-to-Wall Anthropogenic Land Use Trends (NWALT) This tabular data set contains information on historic anthropogenic land use trends, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1) individual reach catchments and 2) reach catchments accumulated upstream through the river network. This dataset can be linked to the NHDPlus version 2 data suite by the unique identifier COMID. The source data is from the NAWQA Wall-to-Wall Anthropogenic Land Use Trends (NWALT) produced by James Falcone (USGS, 2015). The data provided here contains information for five time periods: 1974-1982-1992-2002-2012, compiled as described above. The units are percents. Reach catchment information characterizes data... Types: Citation; Tags: Conterminous United States, Inlandwaters, NHDPlus, NWALT, land cover, All tags... land use, Fewer tags