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Overview
Basics
Basics
The proposed work will evaluate potential effects of climate change on the hydrologic regime that supports the occurrence and health of groundwater-sustained sub-alpine wetlands, also known as fens. A detailed study of two fens in distinctly different geomorphologic settings will be studied over two years. Field measurements will be used to evaluate the hydrologic flow system, including inflows and outflows such as evapotranspiration. A calibrated model that links surface water and groundwater interactions (GSFLOW) will be developed to help assess the potential impact of climate change on the hydrologic budget, water levels, and water available for fen vegetation.
Completed
2008
2009
2011
$152,443
Kat McIntyre (KMcIntyre@trpa.gov)
10/27/2017
10/27/2017
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| Location Information | Location Notes |
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Organizations
EIP Details
EIP Basics
EIP Basics
04.01.01.0094 - P045: Hydrologic Characterization and Modeling of a Montane Peatland, Lake Tahoe Basin, California
Performance Measures
Expected Performance Measures
Expected Performance Measures
No expected performance measures set for this project.
Reported Performance Measures
Reported Performance Measures
No annual performance measure accomplishments entered for this project.
Funding
Expected Funding
Expected Funding
$152,443
$152,443
$0
| Total | |||
|---|---|---|---|
| Unknown or Unassigned | $152,443 | $152,443 | $0 |
| Grand Total | $152,443 | $152,443 | $0 |
Reported Expenditures
Reported Expenditures
| Total | 2011 | 2010 | 2009 | 2008 | |
|---|---|---|---|---|---|
| Southern Nevada Public Land Management Act (Pacifi... | $152,443 | $38,111 | $38,111 | $38,111 | $38,110 |
| Grand Total | $152,443 | $38,111 | $38,111 | $38,111 | $38,110 |
Photos
Other Details
Watersheds
No watersheds set for this project.
Threshold Categories
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A better understanding of the groundwater flow system and hydrologic budgets in these environments will also provide useful information for stream and meadow restoration.
Local and Regional Plans
No Local and Regional Plans set for this project.
Related Projects
Related Projects
No Related Projects set for this project.
External Links
No external links entered.
Notes
Notes
| 10/27/2017 2:02 PM | Matt Driscoll | Match Funding: $40,972 | ||
| 07/17/2017 2:56 PM | Kiara Cuerpo-Hadsall | Objectives: This study examines the groundwater system supporting Grass Lake, the largest peatland in the Sierra Nevada Mountains and how climate change might affect the Lake, located south of Lake Tahoe, California. |
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| 07/17/2017 2:56 PM | Kiara Cuerpo-Hadsall | Findings: • The average seasonal stream flow (ASSF) values for 2011 are 1.9 (First Creek) to 2.7 times (West Freel Meadows Creek, Freel Meadows Creek, Waterhouse Creek) higher the 2010 values. • The ASSF out of Grass Lake in 2011 was 2.2 times higher than the 2010 value. • In 2010 stream flow for the four streams entering Grass Lake proper fell below 1.0 cfs between late June (Waterhouse Creek) and late July (Freel Meadows Creek). • In 2011 stream flow for the four streams entering Grass Lake fell below 1.0 cfs between late July (West Freel Meadows Creek and Waterhouse Creek) and mid-August (Freel Meadows Creek). |
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| 07/17/2017 2:53 PM | Kiara Cuerpo-Hadsall | Management Implications: • This study suggests a rain dominated precipitation regime may lead to desaturation of the Grass Lake peatland. • The most significant drying is expected to occur in the eastern and western portions of the peatland, resulting in approximately half of the peatland experiencing saturation levels 70% or less of total saturation by the end of the water year. This is expected to lead to increased aerobic decomposition near the edges of the peatland. • The predicted increase in temperature is expected to further increase the rate of peat decomposition. The center of the peatland maintains saturation levels above 80% of total saturation in all simulations, suggesting this area is least susceptible to aerobic decomposition and may contain the longest history of peat accumulation despite changes in the precipitation regime. |
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| 07/17/2017 2:52 PM | Kiara Cuerpo-Hadsall | Publications: Christensen, W. (2013). Hydrologic characterization and modeling of a montane peatland, Lake Tahoe Basin, California. ProQuest, UMI Dissertations Publishing. |