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Streamflow Entering the Great Salt Lake
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Created: Apr 25, 2023 at 1:19 p.m.
Last updated: Dec 25, 2023 at 3:55 p.m.
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Abstract

This describes work on the calculation of Great Salt Lake (GSL) inflows for modeling and analyses in support of declining lake levels. This derives from the procedures of USGS 00-4221 (Loving et al., 2000) who estimated GSL streamflow inputs for 12 years from 1987-1998, and Mohammed ant Tarboton (2012), who modeled GSL levels for 1950-2010 water years. Some deviations from the methods given in USGS 00-4221 (Loving et al., 2000) were necessary due to limited availability of data for the extended period and where there were opportunities for improvement.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Great Salt Lake
North Latitude
41.7940°
East Longitude
-111.7200°
South Latitude
40.6203°
West Longitude
-113.0713°

Content

README.txt 

This resource holds work on the calculation of Great Salt Lake streamflow inflows, drawing upon data  obtained from the USGS and Salt Lake County.
Updated for 2023 water year 10/8/23

Input files for Streamflow work
GSLStreamflowsAnalysis.R.  R script to download and process streamflow data.  This has evaluation of alternative models that were explored in the streamflow analysis.
StreamflowScripts.R.  Functions used by GSLStreamflows.R.
GSLFunctions.R.  General purpose R utility functions used in this project.
StreamflowStations.xlsx.  File listing the stations used.  Also contains regression parameters

Output files 
GSL_surface_streamflow_input.csv.  Streamflow data produced by the scripts above used for modeling and analysis.
Other self explanatory comma separated variable files

Data.  Folder with raw data.  The scripts update the USGS data in this folder
LovingTables.  Folder with tables from Loving et al. 2000 used to check our reproduction of the data for the overlapping period.

Description files
GSLStreamflowSummary-11-27-22.docx.  Summary notes document
StreamflowFullAnalysisnotes-11-27-22.docx.  Full analysis notes document. 

Citation
Loving, B. L., K. M. Waddell and C. W. Miller, (2000), "Water and Salt Balance of Great Salt Lake, Utah, and Simulation of Water and Salt Movement through the Causeway, 1987-98," Water-Resources Investigations Report, 00-4221, U.S. Geological Survey, Salt Lake City, Utah.

Related Resources

This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Collection of Great Salt Lake Data David Tarboton  Public &  Shareable Open Access

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Utah Water Research Laboratory UWRL State Funding to support GSL Analysis
National Science Foundation HDR Institute: Geospatial Understanding through an Integrative Discovery Environment 2118329

How to Cite

Tarboton, D. (2023). Streamflow Entering the Great Salt Lake, HydroShare, http://www.hydroshare.org/resource/bb2bba84e1d5424db9211a991a7e5dd8

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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