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| Type: | Resource | |
| Storage: | The size of this resource is 921.4 MB | |
| Created: | Nov 06, 2023 at 9:27 p.m. | |
| Last updated: | Nov 07, 2023 at 1:43 p.m. | |
| DOI: | 10.4211/hs.2ec257d6ed0246098d1d6dae8074ecbc | |
| Citation: | See how to cite this resource | |
| Content types: | Geographic Feature Content |
| Sharing Status: | Published |
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| Views: | 208 |
| Downloads: | 4 |
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Abstract
SENSEflux-USGLB, the Spatially Explicit Nutrient Source Estimate and Flux for the United States Great Lakes Basin estimates total annual nitrogen and phosphorus loads from the US Great Lakes Basin to the coastline, as well as sources and pathways at 120 meter resolution for an average year during 2008 - 2015 period (ca. 2010). The SENSEflux model uses a GIS and mass balance approach to simulate nutrient fate and transport from point and nonpoint sources across the landscape through rivers to lakes and wetlands. It includes four components: (1) nutrient applications, (2) in situ losses, (3) basin attenuation through surface and subsurface pathways, and (4) stream and lake attenuation. This resource includes 120-meter maps of nitrogen and phosphorus loads, mass balance components (total applied nutrient, crop harvest, basin loss, river uptake, soil and groundwater storage), sources (atmospheric deposition, chemical agricultural fertilizer, chemical nonagricultural fertilizer, manure, septic tanks, nitrogen fixation from legumes, and point sources) and pathways (overland flow, tile drainage, groundwater, septic plumes, point) along with corresponding watershed summaries at the Hydrologic Unit Code 12 (HUC12) and HUC8 levels, as defined in the USGS 2014 Watershed Boundary Dataset. Sources are separated by subsurface (groundwater flow and septic plumes within groundwater) pathway and surface (overland and tile fields) pathway, so total nutrient delivery through a specific nutrient source can be computed as the sum of each source (i.e., gQAgComm + sQAgComm) through the pathways if applicable. Watershed summaries (kg/day) derived from those 120-meter maps (kg/day/cell) using the zonal statistics method with the 'SUM' function. SENSEflux-USGLB is described in full detail in the manuscript and supporting information of Wan et al. (2023) "Important Role of Overland Flows and Tile Field Pathways in Nutrient Transport in Environmental Science & Technology. https://doi.org/10.1021/acs.est.3c03741.
Subject Keywords
Coverage
Spatial
Temporal
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Content
Data Services
Related Resources
| The content of this resource is derived from | Hamlin, Q. F., A. D. Kendall, S. Martin, H. Whitenack, J. Roush, B. Hannah, D. W. Hyndman (2020). SENSEmap-USGLB: Nitrogen and Phosphorus Inputs, HydroShare, https://doi.org/10.4211/hs.1a116e5460e24177999c7bd6f8292421 |
| This resource is described by | Luwen Wan, Anthony D. Kendall, Sherry L. Martin, Quercus F. Hamlin and David W. Hyndman (2023). Important Role of Overland Flows and Tile Field Pathways in Nutrient Transport. Environmental Science & Technology. https://doi.org/10.1021/acs.est.3c03741. |
| This resource updates and replaces a previous version | Wan, L. (2023). SENSEflux-USGLB: Nitrogen and Phosphorus Loads, Sources and Pathways, HydroShare, http://www.hydroshare.org/resource/90058d6565784aad97cdf51262777590 |
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| NASA | Linking Remote Sensing and Process-based Models to Better Understand the Influence of Land Use and Climate Changes on Great Lakes Coastal Wetlands | NNX11AC72G |
| NOAA | Empowering Communities with Online Action Planning Tools: Tipping Points and Indicators for Improving Water Quality across the Great Lakes | NA12OAR4320071 |
| NASA | Integrating Systems Models and Remote Sensing to Explore Aquatic Ecosystem Vulnerability to Global Change in Lake Huron | 80NSSC21K1652 |
| CSC | Chinese Government Scholarship |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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