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Overview
Basics
Basics
This project will leverage the most complete set of directly measured erosion data in the LTB and conducted targeted rainfall simulation to develop a new land use category for road cut and full slopes. Additionally, using quantitative data and input from agency personnel, this project will define functional condition classes and develop a straight-forward field protocol that regulators and project implementers can use to identify and classify the pollutant loading potential of cut and fill slopes at the project scale.
Completed
2008
2009
2010
$83,059
Kat McIntyre (KMcIntyre@trpa.gov)
10/31/2017
10/31/2017
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| Location Information | Location Notes |
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Organizations
EIP Details
EIP Basics
EIP Basics
04.01.01.0117 - P039: Road Cut and Fill Slope Sediment Loading Assessment Tool: Project Report
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
$83,059
$83,059
$0
| Total | |||
|---|---|---|---|
| Southern Nevada Public Land Management Act (Pacific Southwest Research Station) (USFS - PSW) | $83,059 | $83,059 | $0 |
| Grand Total | $83,059 | $83,059 | $0 |
Reported Expenditures
Reported Expenditures
| Total | 2010 | 2009 | 2008 | |
|---|---|---|---|---|
| Southern Nevada Public Land Management Act (Pacifi... | $83,059 | $27,686 | $27,687 | $27,686 |
| Grand Total | $83,059 | $27,686 | $27,687 | $27,686 |
Photos
Other Details
Watersheds
No watersheds set for this project.
Threshold Categories
-
Road cut and fill slopes represent a persistent and readily treatable source of FSP loading and are widespread along most roadways in the Lake Tahoe Basin, particularly within urban areas.
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
| 08/22/2017 12:37 PM | Kiara Cuerpo-Hadsall | Lead Implementer: Integrated Environmental Restoration Services |
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| 08/22/2017 12:29 PM | Kiara Cuerpo-Hadsall | Objectives: The project objectives were to: 1) develop a new land use category for road cut and fill slopes for the PLRM that leverages existing quantitative data and builds on the treatment tiers and functional condition classes already developed in earlier stages of the TMDL; and 2) develop well-defined classifications and field identification protocols for a range of disturbed and treated cut and fill slope conditions with associated loading potentials. |
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| 08/22/2017 12:29 PM | Kiara Cuerpo-Hadsall | Findings: • Over 900 rainfall simulations were analyzed to develop an Excel spreadsheet algorithm to predict erosion from road cut and fill slopes in the Lake Tahoe Basin. The prediction tool is called RCAT. • Erosion estimates can be tailored by soil type, slope class, and cover type. • Fine sediment yields from road cut and fill slopes of particles less than 16 µm can also be made using this tool. • A users guide is available for use of RCAT. |
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| 08/22/2017 12:28 PM | Kiara Cuerpo-Hadsall | Management Implications: • The overall purpose of this project was to develop the data and tools necessary to improve estimates of pollutant loading and load reductions from road cut and fill slopes. The end product of this effort is the Road Cut and Fill Slope Sediment Loading Assessment Tool (RCAT), a simple and repeatable field assessment methodology and spreadsheet tool designed to assist the Lake Tahoe erosion control and stormwater community in characterizing the functional condition of road cut and fill slopes and estimating the associated sediment and fine sediment particle loading from these areas. • After several discussions with the developers of the Pollutant Load Reduction Model (PLRM), it became clear that formal integration of the road cut and fill land use into PLRM would require a new module that was beyond the scope of this project. Therefore, a simple, stand-alone spreadsheet tool – the RCAT – was developed. Regulators and project implementers can use the tool to estimate the sediment loading potential of cut and fill slopes before and after project implementation. The data outputs from this tool (sediment loads and runoff volumes) can be used in conjunction with PLRM or separately. |
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| 08/22/2017 12:27 PM | Kiara Cuerpo-Hadsall | Publications: www.fs.fed.us/PSW/partnerships/tahoescience Road Cut and Fill Slope Sediment Loading Assessment Tool: Project Report; Kevin Drake, Rachel Arst McCullough and Dr. Mark Grismer. |