The Bear River Basin - Utah State...
Transcript of The Bear River Basin - Utah State...
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The Bear River Basin
Point and non-point sources of Nitrogen loading in
the surface water
Jonna van Opstal
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Introduction
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Introduction
• 3 states
• 6 HUC-8’s
• 491 miles
Uinta mtns >
Great Salt Lake
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Objectives
1. Holistic dataset on water quality issues
2. Determine point and non-point sources of N loading in the Bear River
e.g. industries (point source) and agricultural runoff (non-point source)
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Methodology
Step 1 Acquiring data
Step 2 Displaying
holistic datasets
Bearriverinfo.org Tools:
clip, dissolve
Step 3 Water quality
measurements
Waterdata.usgs.gov Tools: selection by attributes, editing
Step 4 Analysis data
Landcover vs
Water quality
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Impaired rivers
• Exceeding TMDL
• Utah water quality standard
― NO3-N 4 mg/L
― P 0.05 mg/L
UAC R317-2
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USGS water quality stations
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Total N Spring
Ü0 4,000 Meters
Legend
Spring
TN_2001_3
0- 0.50
0.51 - 1.20
1.21 - 2.00
2.01 - 2.80
Bear River
Landuse
Agriculture
Barren
Forest
Rangeland
Tundra
Urban/Built Up
Water
Wetlands
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Total N Summer
Ü0 4,000 Meters
Legend
Summer
TN_2001_8
0.00 - 0.50
0.51 - 1.10
1.11 - 1.20
1.21 - 2.50
Bear River
Landuse
Agriculture
Barren
Forest
Rangeland
Tundra
Urban/Built Up
Water
Wetlands
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Point and non- point sources
Ü0 4,000 Meters
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Legend
!. tmdl_points
Bear River
Landuse
Agriculture
Barren
Forest
Rangeland
Tundra
Urban/Built Up
Water
Wetlands
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Summary
• Holistic dataset
• Water quality measurements:
– Samples, no real time data
– Consistency
– Concentrations [mg/L]
• Modeling with schematic processor
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Thank you!