impacts of climate change on water resources in idaho prepared by zion klos phd student, college of...
TRANSCRIPT
![Page 1: Impacts of Climate Change on Water Resources in Idaho Prepared by Zion Klos PhD Student, College of Natural Resources zion@uidaho.edu 920-883-8617 …feel](https://reader033.vdocuments.us/reader033/viewer/2022051622/5697c0291a28abf838cd738d/html5/thumbnails/1.jpg)
Impacts of Climate Change on Water Resources in Idaho
Prepared by Zion KlosPhD Student,
College of Natural [email protected]
920-883-8617…feel free to e-mail or call me with questions!
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Idaho’s climate is changing…
NCDC
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Outline
• Observed (historic) and/or future predictions for changes in:– Precipitation– Snowpack– Streamflow– Stream temperature– Drought
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Observed Precipitation Changes
NCDC
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Precipitation Intensity
Analysis by Troy Magney
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Precipitation: Future Predictions
Precipitation:2090 - 2099vs.1990 - 1999
Salathé Jr, E P, R Steed, C F Mass, and P H Zahn. "A High-Resolution Climate Model for the US Pacific Northwest: Mesoscale Feedbacks and Local Responses to Climate Change." Journal of Climate 21, no. 21 (2008): doi:10.1175/2008JCLI2090.1.
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Outline
• Observed (historic) and/or future predictions for changes in:– Precipitation– Snowpack– Streamflow– Stream temperature– Drought
![Page 8: Impacts of Climate Change on Water Resources in Idaho Prepared by Zion Klos PhD Student, College of Natural Resources zion@uidaho.edu 920-883-8617 …feel](https://reader033.vdocuments.us/reader033/viewer/2022051622/5697c0291a28abf838cd738d/html5/thumbnails/8.jpg)
Observed Snowpack Changes
NCDC
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April 1st Snowpack
1950-1997
Mote et al., 2005. Declining mountain snowpack in western N. America. Bull. Am. Met. Soc.
= decrease
= increase
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Benton Spring Snow Courseelev. 1500 m (4920 ft)
Analysis by Ryan Niemeyer
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Future Predictions for Snow vs. Rain
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Future Predictions
for Snow vs. Rain
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Outline
• Observed (historic) and/or future predictions for changes in:– Precipitation– Snowpack– Streamflow– Stream temperature– Drought
![Page 14: Impacts of Climate Change on Water Resources in Idaho Prepared by Zion Klos PhD Student, College of Natural Resources zion@uidaho.edu 920-883-8617 …feel](https://reader033.vdocuments.us/reader033/viewer/2022051622/5697c0291a28abf838cd738d/html5/thumbnails/14.jpg)
Statewide Streamflow Trends
Source of FundingState/Federal COOP – 9Corp of Engineers – 6USGS NSIP – 4Other Funding – 6Discontinued in FY05 – 1
Unregulated streams with at least 40 years of continuousstream discharge information
- 25 stations (as of FY06)
Courtesy of Greg Clark (USGS)
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USGS
Statewide Streamflow Trends
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Onset of Streamflow
Stewart, I T, D R Cayan, and M D Dettinger. "Changes Toward Earlier Streamflow Timing Across Western North America." Journal of Climate 18, no. 8 (2005): 1136-1155.
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Midpoint of Annual Streamflow Runoff
Earlier by 10 days or more (2 sites)
Earlier by 0-4 days (18 sites)
Earlier by 5-9 days (6 sites)
Based on averagepre- and post-1980data
Courtesy of Greg Clark (USGS)
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Outline
• Observed (historic) and/or future predictions for changes in:– Precipitation– Snowpack– Streamflow– Stream temperature– Drought
![Page 19: Impacts of Climate Change on Water Resources in Idaho Prepared by Zion Klos PhD Student, College of Natural Resources zion@uidaho.edu 920-883-8617 …feel](https://reader033.vdocuments.us/reader033/viewer/2022051622/5697c0291a28abf838cd738d/html5/thumbnails/19.jpg)
Analysis by Stephen Gillis
Stream Temperature
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Outline
• Observed (historic) and/or future predictions for changes in:– Precipitation– Snowpack– Streamflow– Stream temperature– Drought
![Page 21: Impacts of Climate Change on Water Resources in Idaho Prepared by Zion Klos PhD Student, College of Natural Resources zion@uidaho.edu 920-883-8617 …feel](https://reader033.vdocuments.us/reader033/viewer/2022051622/5697c0291a28abf838cd738d/html5/thumbnails/21.jpg)
Drought:conceptualized through the Climatic Water Balance
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Anyways, hope you’ll find this information useful!
Also, apologies if it’s too much doom and gloom… But hey, who doesn't
love some nice, warm weather!