Data Feature Class Attributes Value Description emca.dat Data table which includes the land use identification and the event mean concentration value which is assigned to it. The table was constructed from the emc.txt file. emc.txt Data table which contains the land use and event mean concentration value which is assigned to it. attrib.dat The data file which was created to link the event mean concentration values with the land use coverage. cchuctsms An outline coverage of the study Poly HUC area defining the hydrologic units : downloaded from the USGS within the region. rf1 The reprojected river reach files Arc none clipped to the buffered study region. concgrid Land surface nitrogen concentration Grid TN Varies Land surface concentration values in grid created by linking the land each grid cell are in units of mg/l. use coverage with the EMC values. 0.0 - 4.4 mg/l gridagree Digital elevation grid which was Grid elevation Varies Elevation values in each grid cell renamed from the grid elevgrid. are in units of meters above sea level. elevgrid Digital elevation grid which was Grid elevation Varies Elevation values in each grid cell calculated while running the are in units of meters above sea Avenue script AGREE which level. "burns in" the stream network. loadgrid Land surface loading grid for total Grid land surface Varies Land surface nitrogen loadings in nitrogen. Created by running the loading each grid cell are in units of Kg/yr. Avenue script LOADGRID with 0.0 - 0.021 mg/l concgrid and runoff2. runoff2 Cumulative annual runoff grid. Grid annual Varies Cumulative annual runoff in each Created from the runoff grid but runoff grid cell are in units of mm/yr. clipped to the size of the study area. 11.0 - 176.0 mg/l facac A flow accumulation after the Grid accumulation Varies Integer number of cells that fall Avenue scripts AGREE and upstream of each cell. CONNECT were run on the original DEM. gridconnect Digital elevation grid which was Grid elevation Varies Elevation values in each grid cell calculated while running the Avenue are in units of meters above sea script CONNECT which connects the level. river system with the bay system. fdac A flow direction after the Avenue Grid direction 1 East scripts AGREE and CONNECT 2 Southeast were run on the original DEM. 3 South 4 Southwest 5 West 6 Northwest 7 North 8 Northeast fdr1 Digital elevation grid which was Grid elevation Varies Elevation values in each grid cell filled after running the Avenue are in units of meters above sea script AGREE. level. gridfilla Digital elevation grid which was Grid elevation Varies Elevation values in each grid cell renamed from the fdr1 grid. are in units of meters above sea level. allann Mean annual precipitation grid Grid precipitation Varies Precipitation values in each grid cell which was obtained from the Willmont and Oregon State data. precip Mean annual precipitation grid Grid precipitation Varies Precipitation values in each grid cell which was clipped from the allann are in units of mm/yr. grid to the size of the study region. 539 - 1034 mm/yr wfacload A weighted flow accumulation Grid accumulation Varies Integer number of cells that fall using concgrid as the weight grid. upstream of each cell and describe the nitrogen loadings in the river and bay systems in Kg/yr. 0.0 - 2686 Kg/yr dem Original digital elevation grid . Grid elevation Varies Elevation values in each grid cell are in units of meters above sea level. load_>20 Grid showing the values from the Grid accumulation Varies Integer number of cells that fall weighted flow accumulation which upstream of each cell and describe are greater than 2,000. the nitrogen loadings in the river and bay systems in Kg/yr. Load20.shp Shape file showing the values from Arc none the weighted flow accumulation which are greater than 2,000. Created from the load_>20 grid. Load_15-20 Grid showing the values from the Grid accumulation Varies Integer number of cells that fall weighted flow accumulation which upstream of each cell and describe are between 1,500 and 2,000. the nitrogen loadings in the river and Load15.shp Shape file showing the values from Arc none the weighted flow accumulation which are between 1,500 and 2,000. Created from the load_15-20 grid. bay systems in Kg/yr. Load_10-15 Grid showing the values from the Grid accumulation Varies Integer number of cells that fall weighted flow accumulation which upstream of each cell and describe are between 1,000 and 1,500. the nitrogen loadings in the river and bay systems in Kg/yr. Load10.shp Shape file showing the values from Arc none the weighted flow accumulation which are between 1,000 and 1,500. Created from the load_10-15 grid. Load_5-10 Grid showing the values from the Grid accumulation Varies Integer number of cells that fall weighted flow accumulation which upstream of each cell and describe are between 500 and 1,000. the nitrogen loadings in the river and bay systems in Kg/yr. Load5.shp Shape file showing the values from Arc none the weighted flow accumulation which are between 500 and 1,000. Created from the load_5-10 grid. Load_0-5 Grid showing the values from the Grid accumulation Varies Integer number of cells that fall weighted flow accumulation which upstream of each cell and describe are less than 500. the nitrogen loadings in the river and bay systems in Kg/yr. Load0.shp Shape file showing the values from Arc none the weighted flow accumulation which are less than 500. Created from the load_0-5 grid. outlineg Outline grid of the study area. Grid Varies Cells that fall in the study area are 1 while the values outside of the area are no data. runoff Cumulative annual runoff grid. Grid annual Varies Cumulative annual runoff in each Created by using Seann Reed’s runoff grid cell are in units of mm/yr. runoff equation and the annual 9.0 - 188.0 mg/l precipitation grid. bay Bay coverage which contains Poly wnp data needed to calibrate BALANCE wot and is the final segmentation used. : outline A buffered outline coverage of the Arc none study area. counties A coverage of the counties in the Poly count Varies study area. dlg The reprojected merged Digital Arc none Line Graph hydrography coverage in the study area. lucorptsms The reprojected and merged land Poly landuse 0-17 agriculture?? use cover downloaded from the TNRIS Internet site. landuse Final land use cover created by Poly landuse clipping the lucortsmscoverage with tn 0 - ?? mg/l total nitrogen the outline coverage. Tp 0 - ?? mg/l total phosporus