Michael E. Wieczorek Andrew E. LaMotte 2010 tabular digital data Digital Data Series DS-491-08 Reston, Virginia U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?mrb_e2rf1_cropsplit This tabular data set represents the estimated amount of phosphorus and nitrogen fertilizers applied to selected crops for the year 2002, compiled for every MRB_E2RF1 catchment of Major River Basins (MRBs, Crawford and others, 2006). The source data set is based on 2002 fertilizer data (Ruddy and others, 2006) and tabulated by crop type per county (Alexander and others, 2007). 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 MRB_E2RF1 catchments 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 the amount of phosphorus and nitrogen in fertilizers and manureapplied to selected crops for the 2002 time period 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 Phosphorus and Nitrogen 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_cropsplit.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 2002 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 vector digital data General Information Web Only Baltimore, MD U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?mrb_e2rf1 online 2011 publication date MRB_E2RF1 The source data provided a reach network to construct reach catchments for MRBs and subsequent processing. 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. 2008 raster digital data Data Series DS-383A Reston, Virginia U.S. Geological Survey http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_1.xml online 2001 ground condition NLCD01 The source provided the spatial apportioning of Richard Alexander's data. LaMotte, Andrew E. 2008 raster digital data Data Series DS-383B Reston, Virginia U.S. Geological Survey http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_2.xml online 2001 ground condition NLCD01 The source provided the spatial apportioning of Richard Alexander's data. LaMotte, Andrew E. 2008 raster digital data Data Series DS-383C Reston, Virginia U.S. Geological Survey http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_3.xml online 2001 ground condition NLCD01 The source provided the spatial apportioning of Richard Alexander's data. LaMotte, Andrew E. 2008 raster digital data Data Series DS-383D Reston, Virginia U.S. Geological Survey http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_4.xml online 2001 ground condition NLCD01 The source provided the spatial apportioning of Richard Alexander's data.. Alexander, Richard, B. Smith, Richard, A. Schwarz, Gregory, E. Boyer, Elizabeth, W. Nolan, Jacqueline, V. Brakebill, John, W. December 21, 2007 document Environmental Science & Technology v. 42, no. 3, p 822-830 Washington D.C. American Chemical Society http://pubs.acs.org/doi/abs/10.1021/es0716103 online 2007 publication date cropsplit The source provided the numbers to be spatial apportioned to the NLCD data. Ruddy, Barbara, C. Lorenz, David, L. Mueller, David, K. 2006 document Scientific Investigations Report 2006-5012 Reston, VA U.S. Geological Survey http://pubs.usgs.gov/sir/2006/5012/ online 2001 ground condition cropsplit The source provided the numbers to be spatial apportioned to the NLCD data. Acquired fertilizer and manure data tabulated by crop type and county from Richard Alexander (U.S. Geological Survey, written commun., 2008) with the following caveats: the fertilizer data (version date October 21, 2008) used in this report are based on the data set in Ruddy and others (2006), with a correction for a processing error in the non-farm versus farm allocation (J.M. Gronberg and N.E. Spahr, U.S. Geological Survey, written commun., 2008). NLCD 2001 (LaMotte) was used to spatially apportion the tabular data. The following table describes the grouping of NLCD2001 classes used for each nutrient variable category of nitrogen (N) and phosphorus (P). Nutrient inputs LU data set LU classes used to apportion nutrient inputs (Farm category) ---------------------------------------------------------------------------------------------- Farm Fertilizer NLCD2001 81, 82 ---------------------------------------------------------------------------------------------- Non-Farm Fertilizer NLCD2001 21, 22, 23 ---------------------------------------------------------------------------------------------- Manure-Confined NLCD2001 81, 82, 71* (West of 96 Longitude) * Rangeland (class 71) was included in the agricultural land west of longitude 96 as outlined in the Environmental Science & Technology article by Alexander and others, 2007. A nutrient intensity value was calculated for each county for nitrogen and phosphorus for each grouping above. To spatially apportion this value a Nutrient_Intensity per GRID cell was calculated this way: 1) Grouped NLCD2001 according to groupings above 2) Nutrient intensity (kilograms) per GRID cell = total kilograms for CROPSPLIT VARIABLE for county/number of farm category land-use cells per county. The resulting 30-meter GRID is kilograms of nutrients. 3) Resampled the RF1 catchment GRID to 30-meter to match the reolution of the CROPSPLIT GRID. 4) Summarized nutrient totals by catchments using the ZONALSUM command in GRID. 5) Exported results into a dbf file format. ArcInfo 9.2 2008 cropsplit2_rf1_mrb4 dbf tabular data ESRI OID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. RF1ID Unique ID to relate to the modified ERF1_2 catchment and reach coverages. ESRI Sequential unique whole numbers that are automatically generated. WHEAT_PFER Phosphorus from fertilizer applied to wheat (kilograms) U.S. Geological Survey CORN_PFERT Phosphorus from fertilizer applied to corn (kilograms) U.S. Geological Survey SOYBN_PFER Phosphorus from fertilizer applied to soybeans (kilograms) U.S. Geological Survey COTTON_PFE Phosphorus from fertilizer applied to cotton (kilograms) U.S. Geological Survey ALFAL_PFER Phosphorus from fertilizer applied to alfalfa (kilograms) U.S. Geological Survey HAY_PFERT Phosphorus from fertilizer applied to hay (kilograms) U.S. Geological Survey OTHER_PFER Phosphorus from fertilizer applied to "other" crops (kilograms) U.S. Geological Survey ROTATE_PFE Phosphorus from fertilizer applied to corn/ soybean rotation acres (kilograms) U.S. Geological Survey CROP_AREA Total crop area within basin for fertilizer and manure derived from landuse (NLCD01 codes 71, 81, 82; and 51 west of longitude -96 (Alexander and others, 2007) U.S. Geological Survey WHEAT_NFER Nitrogen from fertilizer applied to wheat (kilograms) U.S. Geological Survey CORN_NFERT Nitrogen from fertilizer applied to corn (kilograms) U.S. Geological Survey SOYBN_NFER Nitrogen from fertilizer applied to soybeans (kilograms) U.S. Geological Survey COTTON_NFE Nitrogen from fertilizer applied to cotton (kilograms) U.S. Geological Survey ALFAL_NFER Nitrogen from fertilizer applied to alfalfa (kilograms) U.S. Geological Survey HAY_NFERT Nitrogen from fertilizer applied to hay (kilograms) U.S. Geological Survey OTHER_NFER Nitrogen from fertilizer applied to "other" crops (kilograms) U.S. Geological Survey ROTATE_NFE Nitrogen from fertilizer applied to corn/soybean rotation acres (kilograms) U.S. Geological Survey SOYB_NFIX Nitrogen from fertilizer fixation by soybeans (kilograms) U.S. Geological Survey ALFAL_NFIX Nitrogen from fertilizer fixation by alfalfa (kilograms) U.S. Geological Survey HAY_NFIX Nitrogen from fertilizer fixation by hay (kilograms) U.S. Geological Survey WHEAT_PMAN Phosphorus from manure applied to wheat (kilograms) U.S. Geological Survey CORN_PMAN Phosphorus from manure applied to corn (kilograms) U.S. Geological Survey SOYBN_PMAN Phosphorus from manure applied to soybeans (kilograms) U.S. Geological Survey COTTON_PMA Phosphorus from manure applied to cotton (kilograms) U.S. Geological Survey ALFAL_PMAN Phosphorus from manure applied to alfalfa (kilograms) U.S. Geological Survey HAY_PMAN Phosphorus from manure applied to hay (kilograms) U.S. Geological Survey OTHER_PMAN Phosphorus from manure applied to "other crops" (kilograms) U.S. Geological Survey ROTATE_PMA Phosphorus from manure applied to corn/soybean rotation acres (kilograms) U.S. Geological Survey WHEAT_NMAN Nitrogen from manure applied to wheat (kilograms) U.S. Geological Survey CORN_NMAN Nitrogen from manure applied to corn (kilograms) U.S. Geological Survey SOYBN_NMAN Nitrogen from manure applied to soybeans (kilograms) U.S. Geological Survey COTTON_NMA Nitrogen from manure applied to cotton (kilograms) U.S. Geological Survey ALFAL_NMAN Nitrogen from manure applied to alfalfa (kilograms) U.S. Geological Survey HAY_NMAN Nitrogen from manure applied to hay (kilograms) U.S. Geological Survey OTHER_NMAN Nitrogen from manure applied to "other crops" (kilograms) U.S. Geological Survey ROTATE_NMA Nitrogen from manure applied to corn/soybean rotation acres (kilograms) U.S. Geological Survey U.S. Geological Survey Ask USGS -- Water Webserver Team mailing address

455 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 83 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_mrb1.zip dbf Full coverage zipped 980 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_mrb2.zip dbf Full coverage zipped 1296 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_mrb3.zip dbf Full coverage zipped 1229 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_mrb4.zip dbf Full coverage zipped 902 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_mrb5.zip dbf Full coverage zipped 89 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_mrb6.zip dbf Full coverage zipped 826 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_mrb7.zip dbf Full coverage zipped 42 KB http://water.usgs.gov/GIS/dsdl/mrb_e2rf1_cropsplit_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

445 National Center

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_cropsplit FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998