Michael E. Wieczorek Andrew E. LaMotte 2010 tabular digital data Digital Data Series DS-491-10 Reston, Virginia U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?mrb_e2rf1_hlr This tabular data set represents the area of Hydrologic Landscape Regions (HLR) compiled for every MRB_E2RF1 catchment of the Major River Basins (MRBs, Crawford and others, 2006). The source data set is a 100-meter version of Hydrologic Landscape Regions of the United States (Wolock, 2003). HLR groups watersheds on the basis of similarities in land-surface form, geologic texture, and climate characteristics. The MRB_E2RF1 catchments are based on a modified version of the U.S. Environmental Protection Agency's (USEPA) ERF1_2 and include enhancements to support national and regional-scale surface-water quality modeling (Nolan and others, 2002; Brakebill and others, 2011). Data were compiled for every MRB_E2RF1 catchment for the conterminous United States covering New England and Mid-Atlantic (MRB1), South Atlantic-Gulf and Tennessee (MRB2), the Great Lakes, Ohio, Upper Mississippi, and Souris-Red-Rainy (MRB3), the Missouri (MRB4), the Lower Mississippi, Arkansas-White-Red, and Texas-Gulf (MRB5), the Rio Grande, Colorado, and the Great basin (MRB6), the Pacific Northwest (MRB7) river basins, and California (MRB8). This tabular data set was created and used by the U.S. Geological Survey (USGS) specifically to estimate areas of each HLR per watershed segment in the application of the national SPAtially Referenced Regression On Watershed attributes (SPARROW) model . The SPARROW model relates in-stream water-quality measurements to spatially referenced characteristics of watersheds, including contaminant sources and factors influencing terrestrial and stream transport. The model empirically estimates the origin and fate of contaminants in streams, and quantifies uncertainties in these estimates based on model coefficient error and unexplained variability in the observed data. For more information on the USGS SPARROW model please refer to: http://water.usgs.gov/nawqa/sparrow/intro/intro.html. 2002 publication date Complete None planned -127.910792 -65.327751 51.657387 23.243486 None Hydrologic landscape regions Inlandwaters MRB_E2RF1 MRB_E2RF1WS Catchment NAWQA SPARROW None Conterminous United States MRB Major River Basins MRB1 NEMA New England and Mid-Atlantic MRB2 SAGT South Atlantic-Gulf and Tennessee MRB3 GLMR Great Lakes, Ohio, Upper Mississippi, and Souris-Red-Rainy MRB4 MORI Missouri MRB5 LMTG Lower Mississippi, Arkansas-White-Red, and Texas-Gulf MRB6 COGB Rio Grande, Colorado, and Great Basin MRB7 PANW Pacific Northwest MRB8 CALI California None None Michael E. Wieczorek U.S. Geological Survey mailing address

5522 Research Park Drive

Baltimore MD 21228 USA 443-498-5550 443-498-5510 mewieczo@usgs.gov http://water.usgs.gov/GIS/browse/mrb_e2rf1_hlr.jpg Illlustration of data set JPG Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.3000 Charles G. Crawford Pixie A. Hamilton Anne B. Hoos October 5, 2006 Reston, Virginia U.S. Geological Survey Prepared by Charlie Crawford, Pixie Hamilton, and Anne Hoos for a NAWQA National Liaison Meeting, Washington D.C., October 5, 2006. http://water.usgs.gov/nawqa/studies/mrb/mrb_factsheet.pdf The values of the items were verified for computational accuracy by the author and reviewers. Complete Jacqueline V. Nolan John W. Brakebill Richard B. Alexander Gregory E. Schwarz Febuary 22, 2002 vector digital data USGS Open-File Report USGS Open-File Report 02-40 Reston, Virginia U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?erf1_2 online 2010 publication date ERF1_2 The modified version of the source data provided a reach network to construct reach catchments for MRBs and subsequent processing (J.W. Brakebill, U.S. Geological Survey, written commun., 2008). John W. Brakebill Silvia E. Terziotti 20110222 raster digital data General Information Web Only Baltimore, MD U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?mrb_e2rf1ws online 2011 publication date MRB_E2RF1WS The source data provided reach catchments for MRBs and subsequent processing. LaMotte, Andrew E. Wieczorek, Michael E. 2010 raster digital data In Review In Review Reston, VA U.S. Geological Survey online 2001 ground condition NLCD01 The source data provided information on land cover. Wolock, David M. 2003 raster digital data Open-File Report 03-145 Reston, VA U.S. Geological Survey http://water.usgs.gov/GIS/metadata/usgswrd/XML/hlrus.xml online 2003 publication date HLR HLR coverage provided data for basin number calculations. 1) Downloaded the raster coverage of HLRs from http://water.usgs.gov/GIS/metadata/usgswrd/XML/hlrus.xml. 2) Summarized the area of each HLR per catchment by using the COMBINE command in GRID. The COMBINE command combines the HLRs and catchment GRIDs into one coverage. The resulting GRID automatically tables the area of each HLR per catchment. 3) Exported results into a dbf file format. 2008 Metadata imported. T:\MRB\meta\RF1\xml\hlr_rf1.xml 20100824 16511300 hlr_rf1 dbf tabular data ESRI COV_PERC Percent of catchment that source GRID covers U.S. Geological Survey 0.0 100.0 Percentage OID Internal feature number ESRI Sequential unique whole numbers that are automatically generated HLR_1 Estimated area of catchment that is classified by HLR type: 1, Subhumid plains with permeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_2 Estimated area of catchment that is classified by HLR type: 2, Humid plains with permeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_3 Estimated area of catchment that is classified by HLR type: 3, Subhumid plains with impermeable soils and permeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_4 Estimated area of catchment that is classified by HLR type: 4, Humid plains with permeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_5 Estimated area of catchment that is classified by HLR type: 5, Arid plains with permeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_6 Estimated area of catchment that is classified by HLR type: 6, Subhumid plains with impermeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_7 Estimated area of catchment that is classified by HLR type: 7, Humid plains with permeable soils and impermeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_8 Estimated area of catchment that is classified by HLR type: 8, Semiarid plains with impermeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_9 Estimated area of catchment that is classified by HLR type: 9, Humid plateaus with impermeable soils and permeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_10 Estimated area of catchment that is classified by HLR type: 10, Arid plateaus with impermeable soils and permeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_11 Estimated area of catchment that is classified by HLR type: 11, Humid plateaus with impermeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_12 Estimated area of catchment that is classified by HLR type: 12, Semiarid plateaus with permeable soils and impermeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_13 Estimated area of catchment that is classified by HLR type: 13, Semiarid plateaus with impermeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_14 Estimated area of catchment that is classified by HLR type: 14, Arid playas with permeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_15 Estimated area of catchment that is classified by HLR type: 15, Semiarid mountains with impermeable soils and permeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_16 Estimated area of catchment that is classified by HLR type: 16, Humid mountains with permeable soils and impermeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_17 Estimated area of catchment that is classified by HLR type: 17, Semiarid mountains with impermeable soils and bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_18 Estimated area of catchment that is classified by HLR type: 18, Semiarid mountains with permeable soils and impermeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_19 Estimated area of catchment that is classified by HLR type: 19, Very humid mountains with permeable soils and impermeable bedrock in square meters. U.S. Geological Survey 100 2066510700 Square meters HLR_20 Estimated area of catchment that is classified by HLR type: 20, Humid mountains with permeable soils and impermeable bedrock in square meters. U.S. Geological Survey 100 2066510700.0 Square meters HLR_AREA Area of catchment that source GRID covers U.S. Geological Survey 0 2066510700 Square meters RF1ID Unique ID to relate to the item MRB_ID in the MRB_E2RF1WS catchment and MRB_E2RF1 reach coverages. U.S. Geological Survey Sequential unique whole numbers that are automatically generated BASIN_AREA Area of catchment in square meters U.S. Geological Survey 100 2066510700 Square meters NODATA_ARE Area of catchment that source GRID does not cover in square meters U.S. Geological Survey 0.0 204590700000.0 Square meters U.S. Geological Survey Ask USGS -- Water Webserver Team mailing address

445 National Center

Reston Virginia 20192 USA 1-888-275-8747 (1-888-ASK-USGS) http://water.usgs.gov/user_feedback_form.html Downloadable Data Although this dataset has been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data and related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of these data, software, or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. dbf Full coverage zipped 128 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb1.zip dbf Full coverage zipped 211 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb2.zip dbf Full coverage zipped 282 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb3.zip dbf Full coverage zipped 295 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb4.zip dbf Full coverage zipped 210 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb5.zip dbf Full coverage zipped 168 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb6.zip dbf Full coverage zipped 266 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb7.zip dbf Full coverage zipped 76 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_hlr_mrb8.zip None. This dataset is provided by the USGS as a public service. 20100817 U.S. Geological Survey Ask USGS -- Water Webserver Team mailing address

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Reston Virginia 20192 USA 1-888-275-8747 (1-888-ASK-USGS) http://answers.usgs.gov/cgi-bin/gsanswers?pemail=h2oteam&subject=GIS+Dataset+mrb_e2rf1_hlr FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998