Huc8

Example metrics: Name HUC12 Watershed; Name HUC8 Watershed; Why relevant: Also considered a mandatory RPS metric, although the RPS Tool will function without this field. Name is most useful in providing a more familiar informal reference to actual locations than the ID number and can be used in RPS bubble plots to label …

Huc8. Leaflet. HUC8 Watershed - Georgia State Protected. Darker shading = more elements per unit polygon.

Feb 16, 2019 · The Watershed Boundary Dataset is public information and may be interpreted by all organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application of the data. Federal, State, or local regulatory bodies are not to reassign to the Natural Resources Conservation Service any ...

2021-2022 sezonunu 2. sırada tamamlayan Fenerbahçe, 6. hazırlık maçında bu akşam İngiltere Championship ekibi Hull City ile karşı karşıya gelecek. Fenerbahçe taraftarı …HU-308 (also known as onternabez, HU308, PPP-003 and ARDS-003) is a cannabidiol (CBD)-derivative drug [citation needed] that acts as a potent cannabinoid agonist. It is highly selective for the cannabinoid-2 receptor (CB 2 receptor) subtype, with a selectivity more than 5,000 times greater for the CB 2 receptor than the CB 1 receptor.The source and destination locations of each IBT were visually inspected to confirm correct WBD-derived HUC8 assignments, and components of only 3 IBTs (all located in California) were assigned new HUC8s due to differences between the original HUC8 boundaries and the WBD-derived HUC8 boundaries (e.g., Berelson et al 2004). …The problem here is that in the subquery you have aliased as M you are doing SELECT *, and the two tables involved in the join both have a Type column. SQL Server is rightfully complaining that it doesn't know which Type column you want to select.. You only use a single type column from your subquery, and the join condition ensures …HUC8 Boundaries. IndianaMap GIO. IndianaMap Summary. The Watershed and Subwatershed hydrologic unit boundaries provide a uniquely identified and uniform method of ...County-scale data were converted to HUC8-scale data by rasterizing county-scale data to 30 arcsecond resolution (∼1 km × ∼ 1 km at the equator) and summarizing by HUC8 using the Zonal Statistics tool in ArcMap 10.0. We estimated the spatial distributions of wastewater and inorganic N deposition to the US using the following methods.HU-308 (also known as onternabez, HU308, PPP-003 and ARDS-003) is a cannabidiol (CBD)-derivative drug [citation needed] that acts as a potent cannabinoid agonist. It is highly selective …The 140 Hydrologic Unit Code 8 subbasins of the Watershed Boundary Dataset (WBD) were clipped to the California State Boundary in this dataset. The area calculations were performed in the California Teale Albers Projection. This is for use by DWR programs that require this modification of the HUC8 subbasins for analysis and mapping.

Total Nitrogen Contributions to the Mississippi River (percent Load by HUC8 Watershed) Source: Nitrogen in Minnesota Surface Waters, 2013 Percent contribution of TN delivered to the Mississippi River in Keokuk, Iowa, from each of Minnesota’s HUC8 Watersheds which ultimately drain into the Mississippi River. Each bar represents the percent TN originating …data within that FRD, and ultimately redeliver the FRD at the HUC8 extent. The - flood risk datasets corresponding to the revised areas should be compared against the existing data in the FRD from the surrounding unrevised areas for reasonability and agreement. Since many ofwhere denotes the runoff of the HUC8 basin, and is the stream-gauge observation. is weighted across the stream-gauge observations whose catchment intersects with the HUC8 basin. is the area fraction of the HUC8 basin in the catchment of the stream gauge, and is the area fraction of the stream gauge's catchment in the HUC8 basin.The U.S. is sub-divided into successively smaller hydrologic units which are classified into four levels: regions, sub-regions, accounting units, and cataloging units. Each …HUC 8 maps the subbasin level, analogous to medium-sized river basins (about 2200 nationwide, pictured in red in the image); and HUC 12 is a more local sub-watershed level that captures tributary systems (about 90,000 nationwide used by EnviroAtlas to display national metrics for the conterminous U.S.). Things to know before using these data:

Abstract: This dataset is a representation of Hydrologic Unit Code (HUC) boundaries at the HUC8 level compiled from U.S. Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agricultural (USDA) National Resources Conservation Services (NRCS) Watershed Boundary Dataset (WBD) sources.The Watershed and Subwatershed ...Variation in stream shapes in the Delaware River watershed. Key Results and Information. The dataset includes detailed geospatial data organized by sub-watershed (HUC8/10), as well as aggregated data with the mean or median channel measurement for stream segments in the Chesapeake and Delaware watersheds.Monument – Seminole Draws Watershed (HUC8 12080003) Rapid Watershed AssessmentMonument-Seminole Draws Watershed Monument –Seminole Draws Watershed (HUC8 12080003)The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basisof race, color, national origin, …Each HUC8-scale model is run for the 2000–2015 period on a daily time step. Outflow from headwater HUC8 watersheds is provided as input into adjacent, downstream HUC8 watersheds, in a cascading manner until the most downstream HUC8 watershed model in a given river basin has been run. 2.2. The gwflow module and its inclusion in the NAM 2.2.1.Why Dam Removal? Rivers have always provided fundamental and vital services for mankind and the environment. However, dams disrupt the natural functioning of rivers and can cause a wide-scale decline in fish and other river wildlife. For these reasons, it is necessary to remove these barriers to return rivers to their natural, free-flowing state.

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Summertime Clarity Percentiles by Region. Average summertime (June–September) clarity values calculated from 2018 through 2020 clarity are compared against the values for other lakes throughout the state, as well as county, ecoregion, and watershed (HUC4 and HUC8).Watershed Boundaries (HUC8, HUC10, and HUC12) A watershed is the area of land draining to a stream, river, lake, or other waterbody. Watersheds are divided by high points on the land, such as ridges, mountains, and hills, and may be made up of many smaller drainage areas, or subwatersheds. WSIO indicator data tables containing all active WSIO indicators are also available for download below. The lower 48 states' currently available HUC12 and HUC8 indicator data are split into ten data tables that correspond with EPA Regions 1 through 10. Note that HUC12s and HUC8s that straddle the borders between two regions appear in both ...The 140 Hydrologic Unit Code 8 subbasins of the Watershed Boundary Dataset (WBD) were clipped to the California State Boundary in this dataset. The area calculations were performed in the California Teale Albers Projection. This is for use by DWR programs that require this modification of the HUC8 subbasins for analysis and …Layer: 8-digit HU (Subbasin) (ID: 4) Description: Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU boundaries from 2 to 14 digits compiled from U.S. Geological Survey (USGS) National Hydrography Dataset (NHD ...StreamStats is a web application that provides access to Geographic Information Systems (GIS) analytical tools that are useful for water-resources planning and management, and for engineering and design purposes. The map-based user interface can delineate drainage areas for user-selected sites on streams and provide basin …

A median is computed for a hydrologic unit only if there are at least four streamgages with a k-day average streamflow percentile located within the hydrologic unit. When creating the hydrologic unit map, the cataloging unit (huc8) medians are drawn on top of the accounting unit (huc6) medians; the accounting unit (huc6) medians are drawn on ...HUC8 8-digit hydrologic unit HUC12 12-digit hydrologic unit OWRB Oklahoma Water Resources Board Q 20 20-percent streamflow-duration statistic Q 80 80-percent streamflow-duration statistic ¯Q mean annual streamflow Q var annual streamflow variability USGS U.S. Geological Survey. Mean Annual Runoff and Annual Runoff Variability Map for …The smaller polygons represent the hydrologic subbasins (HUC8) and the larger polygons with thicker grey boundaries represent the hydrologic regions (HUC2). The 2-digit numbers represent the HUC2 ID.huc8, STRING. Unique hydrologic unit code. Terms of Use. Most U.S. Geological Survey (USGS) information resides in the public domain and may be used without ...Larger changes were found in rankings for P, with the average absolute change in main RB rankings by 1.3 places, state rankings by 1.9 places, and HUC8 rankings by 69 places. The relatively large change in the HUC8 rankings is not surprising given the small differences in yields among basins and the wide confidence limits in delivered yields.HUC 8 maps the subbasin level, analogous to medium-sized river basins (about 2200 nationwide, pictured in red in the image); and HUC 12 is a more local sub-watershed level that captures tributary systems (about 90,000 nationwide used by EnviroAtlas to display national metrics for the conterminous U.S.). Things to know before using these data: Hydrologic Units (HUs) represent the area of the landscape that drains to a portion of the stream network. Each drainage has a unique Hydrologic Unit Code (HUC). The most current national …Locate Your Watershed (Legacy 8-digit HUC) Locate Your Watershed by 12-digit HUC. Links By Watershed Information Discovery. Active Projects. Databases. Publications. Reports. Data Integration: Watersheds.ON w.huc8 = rh.huc8. Map on the left showing total rainfall at point locations. Map on the right shows same result transformed to watershed boundaries Share and Consume Data in Web Maps. You can share the map as a map image layer (or map service). Consume the service on a web application such as ArcGIS Online or a portal …West Virginia HUC8 Watersheds West Virginia has 32 major watersheds divided according to hydrologic unit codes (HUC) that contribute to the Chesapeake Bay and the Gulf of Mexico. The waters west of the eastern continental divide flow towards the Ohio River, while most of those east of the divide flow towards the Potomac River - a few flow ...SPARROW model annual TN yield results by HUC8 watershed in lbs/acre/year. The basin yields represent the total load delivered to the watershed outlet or state border divided by the sum of the SPARROW (MRB3 2002) catchment area. SPARROW model annual TN yield results for the Otter Tail River Watershed was 2.56 lbs/acre/year.Identification_Information: Citation: Citation_Information: Originator: Delaware River Basin Commision Publication_Date: 2001 Title: HUC 8 Watersheds Geospatial_Data_Presentation_Form: vector digital data

NYS_Hydrography (MapServer) The last update to this data was completed on 6/22/2020, this update focused on reviewing existing waterbodies and folding in missing waterbodies for the Chemung HUC (02050105) and the Tioga HUC (02050104). A History of edits is listed below.

Nov 5, 2018 · This USGS data release consists of three datasets representing three derived outlets or "pour points" for each 12-digit hydrologic unit (HU12) in the Watershed Boundary Dataset (WBD) snapshot delivered with NHDPlus V2.1. For each area, we aggregated the recharge estimates and took the spatial average (in mm/yr), for each of the Hydrologic Unit Code 8 (HUC8) watersheds; we then multiplied by the area of the watershed to determine the maximum sustained yield (m3/yr) for each area. We now have groundwater availability estimates for 240 HUC8 watersheds in Alberta.Each HUC8-scale model is run for the 2000–2015 period on a daily time step. Outflow from headwater HUC8 watersheds is provided as input into adjacent, downstream HUC8 watersheds, in a cascading manner until the most downstream HUC8 watershed model in a given river basin has been run. 2.2. The gwflow module and its inclusion in the NAM 2.2.1.Measurement(s) concentration of nitrogen atom in water • phosphorus atom Technology Type(s) machine learning Factor Type(s) geographic location • seasonal …HUC8: Text: NHD HUC8 numbers, comma-separated: HUC10s: N: HUC10: Text: NHD HUC10 numbers, comma-separated: HUC12s: N: HUC12: Text: NHD HUC12 numbers, comma-separated. May be left blank if too many for field length. Associated FMEs: N: FME_ID: Text: IDs from FME features, comma-separated. This optional field is …New Mexico HUC 8 Boundaries. This data set is a complete digital hydrologic unit boundary layer to the Subbasin (8-digit) 8th level for the State of New Mexico ...Watershed Boundaries (HUC2, HUC4, HUC6, and HUC8)-Copy: description: This map service contains GIS data in NAD83 projection from the EPA Office of Water for Legacy HUC2, HUC4, HUC6, and HUC8 polygons for the USDA Watershed Boundary Dataset developed from the 1970s to early 1980s. It is available as a WFS, WMS, and REST …

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Alternatively, an option allows you to automatically exit this mode after entering a single pattern. If you want to enter a character from its HUC8 representation, simply enter the HUC8 pattern. Since a HUC8 sequence must fit on 3 or 4 cells, the interpretation will be performed each time 3 or 4 dot combinations are entered.Abstract: This dataset is a representation of Hydrologic Unit Code (HUC) boundaries at the HUC8 level compiled from U.S. Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agricultural (USDA) National Resources Conservation Services (NRCS) Watershed Boundary Dataset (WBD) sources.The Watershed and Subwatershed ... There are five input .csv tables required to run this code, including tables containing fish community samples linked to the NHDPlusV2.1 dataset, a list of fish species to be modeled, fish range data for USGS HUC8s, HUC8 designations for NHDPlusV2.1 COMIDs, and predictors used in model development. These files are described below.The Wetlands Mapper 'Get Data' button allows data to be downloaded by HUC8 watershed or by State. The State Downloads page allows data to be downloaded by state. Download by HUC8 Watershed Download by State Viewing Data. You can view the Geodatabase and Shapefiles by using ESRI's ArcGIS Explorer free software, among others.As shown on Figure X, this service area includes the Lower Cumberland (05130205 HUC8) and Red (05130206 HUC8) watersheds and portions of the Upper Cumberland-Lake Cumberland (05130103 HUC8), Obey (05130105 HUC8), and Rockcastle (05130102 HUC8) watersheds within the state of Kentucky.where denotes the runoff of the HUC8 basin, and is the stream-gauge observation. is weighted across the stream-gauge observations whose catchment intersects with the HUC8 basin. is the area fraction of the HUC8 basin in the catchment of the stream gauge, and is the area fraction of the stream gauge's catchment in the HUC8 basin.Locate Your Watershed (Legacy 8-digit HUC) Locate Your Watershed by 12-digit HUC. Links By Watershed Information Discovery. Active Projects. Databases. Publications. Reports. Data Integration: Watersheds.West Virginia HUC8 Watersheds West Virginia has 32 major watersheds divided according to hydrologic unit codes (HUC) that contribute to the Chesapeake Bay and the Gulf of Mexico. The waters west of the eastern continental divide flow towards the Ohio River, while most of those east of the divide flow towards the Potomac River - a few flow ...4 Kas 2021 ... HUC 8, 10 and 12 hydrologic units in Ohio. Zooming into the map will show surface water monitoring stations (EA3), aquatic life use ... ….

Title: Basins and Major Watershed 8-Digit HUC Numbers in Minnesota Author: Minnesota Pollution Control Agency MPCA Subject: Basins and Major Watershed 8-Digit HUC Numbers in Minnesota Watershed Boundary Dataset Map (Public domain.) The Watershed Boundary Dataset (WBD) is a seamless, national hydrologic unit dataset. Hydrologic units represent the area of the landscape that drains to a portion of the stream network. More specifically, a hydrologic unit defines the areal extent of surface water drainage to an outlet point on a ... map of HUC-8 watersheds in the intermountain west. Outline of Intermountain West states. Building on the efforts of River Network, we have identified over 450 ...New Mexico HUC 8 Boundaries. This data set is a complete digital hydrologic unit boundary layer to the Subbasin (8-digit) 8th level for the State of New Mexico ...HUC8: Text: NHD HUC8 numbers, comma-separated: HUC10s: N: HUC10: Text: NHD HUC10 numbers, comma-separated: HUC12s: N: HUC12: Text: NHD HUC12 numbers, comma-separated. May be left blank if too many for field length. Associated FMEs: N: FME_ID: Text: IDs from FME features, comma-separated. This optional field is intended to identify cases where ...The goal of the Iowa BMP (Best Management Practices) Mapping Project is to provide a complete baseline set of BMPs dating from the 2007-2010 timeframe for use in watershed modeling, historic occurrence, and future practice tracking. The BMPs mapped are: Terraces, Water and Sediment Control Basins (WASCOB), Grassed Waterways, Pond …For the case studies, we chose seven distinct HUC8 watersheds across the 48 contiguous states to represent a wide variety of geographic, land cover, and hydrologic conditions (Figure 1, Table 1). The seven basins range in size from the 1,700 km 2 lower Columbia River in the Pacific Northwest to the 7,900 km 2 Little Snake River on the …Subbasin Boundaries, California (8-digit HUC), 2012. This polygon shapefile contains the 4th level, 8-digit hydrologic unit code (HUC) sub-basin boundaries for California. A hydrologic unit is a drainage area delineated to nest in a multi-level, hierarchical drainage system. Its boundaries are defined by hydrographic and topographic criteria ...The HUC-8 Grant includes both 604b and 319 funding goals, milestones, and projects. 604b Water Quality Management Planning Grants are funds awarded by the ...Watershed Boundary Dataset (WBD) The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage areas are nested within each other so that a large drainage area, such as the Sacramento River, will be composed of multiple smaller ... Huc8, The runoff values and associated weighting factors for all basins with any overlapping area with a HUC8 are combined, and a single weighted-average runoff value is computed for the HUC8. The weighted-average runoff computations illustrated in the figure were repeated for all combinations of the roughly 6,000 basins and 2,100 hydrologic ... , Overview. This dataset is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The layer also includes delineations at the Watershed (10-digit) and Subbasin (8-digit) levels. Each basin is identified by a unique Hydrologic Unit Code (HUC), as well a name, at each level. HUCs are identifiers as assigned to basin ... , WBD HUC08 ID (s) t_srs. character (PROJ string or EPSG code) or numeric (EPSG code). A user specified - target -Spatial Reference System (SRS/CRS) for returned objects. Will default to the CRS of the input AOI if provided, and …, 4 Eyl 2020 ... Sargent, B.P., Houston, N.A., Heal, E.N., 2020, Estimated Use of Water by Subbasin (HUC8) in the Red River Basin, 2010 and 2015: U.S. Geological ..., Feb 25, 2003 · Postal_Code: 30334. Country: USA. Contact_Voice_Telephone: 404-651-8482. Contact_Facsimile_Telephone: 404-651-9590. Contact_Electronic_Mail_Address: [email protected] List of Acronyms: DNR – Georgia Department of Natural Resources DNR EPD - Georgia Department of Natural Resources, Environmental Protection Division DNR EPD GSB - Georgia ... , This spatial layer shows the boundary for the 8-digit hydrologic unit 11130302, which also is the boundary for the upper Washita River basin in southwestern Oklahoma.This spatial layer consists of geo-referenced digital data and associated attributes and was created from the preliminary version of the of Oklahoma Watershed Boundary Dataset, part of the National Watershed Boundary dataset., The Watershed and Subwatershed hydrologic unit boundaries provide a uniquely identified and uniform method of subdividing large drainage areas. The smaller sized 6th level sub-watersheds (up to 40,000 acres) are useful for numerous application programs supported by a variety of local, State, and Federal Agencies. This data set is intended to be used as a …, The National Hydrography Dataset is available in shapefile and file geodatabase formats. All NHD downloads contain a copy of the corresponding WBD dataset that is current only to the date the NHD dataset was created. Also, an extract containing only streamgages and dams is available. Download the NHD by 4-digit Hydrologic Unit (HU4) - dataset ..., huc 8, watershed. Bookmarked by 3 Members. HUC 8 watersheds for Western US and SE US., The nhdplusTools package is intended to provide a reusable set of tools to subset, relate data to, and generate network attributes for U.S. NHDPlus data. General, globally applicable functionality has been moved to hydroloom. nhdplusTools implements a data model consistent with both the NHDPlus dataset and the HY_Features data model., WSIO indicator data tables containing all active WSIO indicators are also available for download below. The lower 48 states' currently available HUC12 and HUC8 indicator data are split into ten data tables that correspond with EPA Regions 1 through 10. Note that HUC12s and HUC8s that straddle the borders between two regions appear in both ..., 3 Eylül 2016, 10:59. 8. sınıf öğrencileri hücre bölünmesi ile ilgili testleri ve soruları çözerek sınavlarda başarılı olabilir teog'da istediği yeri kazanabilirler., Science in Your Watershed - (03) South Atlantic Gulf Region. Home. Locate Your Watershed (Legacy 8-digit HUC) Locate Your Watershed by 12-digit HUC. Links By Watershed Information Discovery. Active Projects. Databases. Publications. Reports., Locate Your Watershed Mapping Interface for Science in Your Watershed of the U.S. Geological Survey, Huc 8 watershed boundaries of Iowa. Map created by Chant Eicke, EarthView Environmental Inc. Data courtesy Iowa GIS Library., NYS_Hydrography (MapServer) The last update to this data was completed on 6/22/2020, this update focused on reviewing existing waterbodies and folding in missing waterbodies for the Chemung HUC (02050105) and the Tioga HUC (02050104). A History of edits is listed below. , The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit (HU) data consistent with the national criteria for delineation and resolution. It defines the areal extent of surface water drainage to a point except in coastal or lake front areas where there could be multiple outlets as …, Introduction. Water is of primary importance to all life on earth. Freshwater is a finite resource, and managing freshwater requires an understanding of watersheds and a watershed approach. Both quantity and quality of water are important (in that order) for balanced beneficial and efficient agricultural, industrial, rural, and urban uses., StreamStats is a web application that provides access to Geographic Information Systems (GIS) analytical tools that are useful for water-resources planning and management, and for engineering and design purposes. The map-based user interface can delineate drainage areas for user-selected sites on streams and provide basin characteristics and ..., the 1% storm event. 0.2% event depths, raster. HUC8#_Depth002.zip. Flood depth elevations in a gridded format for., 2021-2022 sezonunu 2. sırada tamamlayan Fenerbahçe, 6. hazırlık maçında bu akşam İngiltere Championship ekibi Hull City ile karşı karşıya gelecek. Fenerbahçe taraftarı …, This spatial layer shows the boundary for the 8-digit hydrologic unit 11130302, which also is the boundary for the upper Washita River basin in southwestern Oklahoma.This spatial layer consists of geo-referenced digital data and associated attributes and was created from the preliminary version of the of Oklahoma Watershed Boundary Dataset, part of the …, HUC8 in the Corn Belt, simulated with OpTIS-mapped management practices. B) Difference between OpTIS-mapped management and no SHM scenario N 2 O emission rates (kgN/ha/yr) between 2005 and 2017 by HUC8. ..... 21 Figure 13. A) OpTIS mapped conservation tillage correlates well with AgCensus reported conservation tillage – 0.80 …, Watershed Locator. USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road Data; …, 0. You have to pass an sf object as the second argument to any of the get_layer_by_* functions. I alter your example a bit using a point instead of a polygon for spatial querying (since it's easier to create), but get_layer_by_poly would work the same way using an sf polygon instead of a point. Also, the service you use requires a token., HUC8 subbasins where at least one month of the year will gain more than 5% of its average (2001–2015) natural streamflow by 2050 due to the retirement of fossil fuel-fired power plants. The inset shows the locations of the subbasins of interest. Subbasins in Upper Mississippi, Missouri, and Upper Colorado regions are expected to see large …, The WBD includes six required levels of nested HU polygons (2- to 12-digit), two optional nested levels of HU polygons (14- and 16-digit), and supporting geospatial data. 14- and 16-digit HUs only exist in a few areas of the country. HUs and HUCs are easily found through the National Map Viewer:, Science in Your Watershed. The key to finding watershed information is the unique 8-digit Hydrologic Unit Code for each watershed. You can also find your watershed from "Science in Your Watershed" by using the Locate Watersheds Map Interface. USGS Water. Science in Your Watershed., 2 Kas 2015 ... Based on USGS data, showing the thirteen HUC (Hydrologic Unit Code)-8 subwatersheds that comprise the Connecticut River watershed (itself a ..., Locate Your Watershed. Click on the Map Above to View a Particular Region. • Try the new Watershed Finder Menu Interface. USGS Water. Science in Your Watershed. Surf Your Watershed. Know Your Watershed. HELP! Locate Your Watershed Mapping Interface for Science in Your Watershed of the U.S. Geological Survey., In contrast, hydrologic units are drainage areas that are delineated so as to nest into a multi-level hierarchical drainage system. Aside from the surface waters that are collected within the boundary of a hydrologic unit, it may also accept water from one or more points outside of the unit’s boundary. The tidal portion of the James River is ..., Data Source: SPARROW flow-weighted mean TN concentration by HUC8 watersheds. The value represents the median FWMC of all subwatershed catchments within the HUC8 watersheds. SPARROW Modeling for the Blue Earth River Watershed indicated average flow-weighted mean TN concentration of 11.73 mg/l., Locate Your Watershed Mapping Interface for Science in Your Watershed of the U.S. Geological Survey