Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Level 3 Ecoregions

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This tabular data set represents the estimated area of level 3 ecological landscape regions (ecoregions), as defined by Omernik (1987), compiled for every MRB_E2RF1 catchment of the Major River Basins (MRBs, Crawford and others, 2006). The source data set is Level III Ecoregions of the Continental United States (U.S. Environmental Protection Agency, 2003). The MRB_E2RF1 catchments are based on a modified version of the U.S. Environmental...

Tags: CALI, COGB, California, Catchment, Conterminous United States, All tags... GLMR, Great Lakes, Ohio, Upper Mississippi, and Souris-Red-Rainy, Inlandwaters, LMTG, Level 3 Ecoregions, Lower Mississippi, Arkansas-White-Red, and Texas-Gulf, MORI, MRB, MRB1, MRB2, MRB3, MRB4, MRB5, MRB6, MRB7, MRB8, MRB_E2RF1, MRB_E2RF1WS, Major River Basins, Missouri, NAWQA, NEMA, NSDI, New England and Mid-Atlantic, PANW, Pacific Northwest, Rio Grande, Colorado, and Great Basin, SAGT, SPARROW, South Atlantic-Gulf and Tennessee, USGS Science Data Catalog (SDC), environment, geoscientificInformation, inlandWaters, Fewer tags

Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Level 3 Ecoregions

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents the estimated area of level 3 ecological landscape regions (ecoregions), as defined by Omernik (1987), compiled for every catchment of NHDPlus for the conterminous United States. The source data set is Level III Ecoregions of the Continental United States (U.S. Environmental Protection Agency, 2003). The NHDPlus Version 1.1 is an integrated suite of application-ready geospatial datasets that incorporates...

Categories: pre-SM502.8; Tags: CALI, COGB, California, Catchment, Conterminous United States, All tags... GLMR, Great Lakes, Ohio, Upper Mississippi, and Souris-Red-Rainy, Inlandwaters, LMTG, Level 3 Ecoregions, Lower Mississippi, Arkansas-White-Red, and Texas-Gulf, MORI, MRB, MRB1, MRB2, MRB3, MRB4, MRB5, MRB6, MRB7, MRB8, Major River Basin, Missouri, NAWQA, NEMA, NHDPlus, NSDI, New England and Mid-Atlantic, PANW, Pacific Northwest, Rio Grande, Colorado, and Great Basin, SAGT, SPARROW, South Atlantic-Gulf and Tennessee, USGS Science Data Catalog (SDC), environment, geoscientificInformation, inlandWaters, Fewer tags