Grantee Research Project Results
1998 Progress Report: An Integrated Watershed Approach to Evaluate and Model Ecosystem Effects of Erosion and Pollutant Transport in Urbanized Subalpine Landscapes
EPA Grant Number: R826282Title: An Integrated Watershed Approach to Evaluate and Model Ecosystem Effects of Erosion and Pollutant Transport in Urbanized Subalpine Landscapes
Investigators: Goldman, Charles R. , Jassby, Alan D. , Reuter, John E. , Schladow, S. G. , Kavvas, M. Levant
Current Investigators: Goldman, Charles R. , Heyvaert , Alan C. , Jassby, Alan D. , Reuter, John E. , Schladow, S. G. , Kavvas, M. Levant
Institution: University of California - Davis
EPA Project Officer: Packard, Benjamin H
Project Period: June 1, 1998 through May 31, 2001 (Extended to January 31, 2002)
Project Period Covered by this Report: June 1, 1998 through May 31, 1999
Project Amount: $879,376
RFA: Water and Watersheds Research (1997) RFA Text | Recipients Lists
Research Category: Water , Watersheds
Objective:
This proposal integrates the fields of biological and ecological research, hydrologic, geochemical and engineering, social science research, and environmental modeling in a multi-disciplinary program designed to provide watershed managers and decisionmakers with a science-based understanding, and innovative tools for, the development of environmental policy. The specific objectives of this research to be conducted in the Sierra Nevada at Lake Tahoe include: 1) apply new hydrologic model to describe dynamics of non-point source pollutants over complex landscapes; 2) use lake modeling techniques and field measurements to quantify the fate of biogenic and inorganic particulate matter in Lake Tahoe; 3) integrate watershed processes related to erosion and pollutant transport with lake and stream response; 4) employ paleolimnological techniques to reconstruct lake and watershed response to historical disturbance; and 5) work within the context of existing agency and non-profit conservation groups to develop a watershed-scale erosion control management plan.
Progress Summary:
Future Activities:
1) Application of new watershed hydrology model to the entire Ward Creek watershed using event-based, monthly and annual stream discharge as a calibration data set; 2) application of hydrology to the intervening zones where flow is discharged directly to the lake; 3) begin creation of sediment transport component of model; 4) quantify relationship between phytoplankton derived particulate matter and mineral suspensoids (combined as SPM), and Secchi depth using field data for chlorophyll, total suspended solids, Secchi depth, phytoplankton species counts and particle size analysis; 5) begin lake response modeling based on mass balance considerations for algal and non-algal SPM; 6) conduct lab and field tests to determine how the optical properties of SPM is affected by particle-size and how these properties translate into a change in clarity; 7) continue modeling of water column distribution of SPM with an emphasis on particle-size distribution; 8) continue measurements of urban runoff water quality and begin identification of specific areas of accelerated loading; 9) work with US Geological Survey and use the existing long-term stream water quality data base to determine land use - loading relationships; and 10) investigate the contribution of stream bank erosion as a sediment source to Lake Tahoe. These will all be done within the existing framework for monitoring and research which is currently being formalized by state, federal and local agencies and governments in the Tahoe Basin.
Journal Articles on this Report : 7 Displayed | Download in RIS Format
Other project views: | All 57 publications | 21 publications in selected types | All 15 journal articles |
---|
Type | Citation | ||
---|---|---|---|
|
Dogrul E, Kavvas ML, Chen ZQ. Prediction of subsurface storm flow in heterogeneous sloping aquifers. Journal of Hydrologic Engineering 1998;3(4):258-267. |
R826282 (1998) R826282 (2000) R826282 (Final) |
Exit |
|
Goldman CR. Four decades of change in two subalpine lakes--Baldi Lecture. Verhandlungen der Internationalen Vereinigung Limnologie 2000;27(Pt 1):7-26. |
R826282 (1998) R826282 (1999) R826282 (2000) R826282 (Final) |
not available |
|
Huovinen PS, Goldman CR. Inhibition of phytoplankton production by UV-B radiation in clear subalpine Lake Tahoe, California-Nevada. Verhandlungen der Internationalen Vereinigung Limnologie 2000;27(Pt 1):157-160. |
R826282 (1998) R826282 (1999) R826282 (2000) R826282 (Final) |
Exit |
|
Jassby AD, Goldman CR, Reuter JE, Richards RC. Origins and scale dependence of temporal variability in the transparency of Lake Tahoe, California-Nevada. Limnology and Oceanography 1999;44(2):282-294. |
R826282 (1998) R826282 (1999) R826282 (2000) R826282 (Final) R825433 (Final) |
Exit Exit Exit |
|
Kavvas ML, Chen Z-Q, Tan L, Soong S-T, Terakawa A, Yoshitani J, Fukami K. A regional-scale land surface parameterization based on areally-averaged hydrological conservation equations. Hydrological Sciences Journal 1998;43(4):611-631. |
R826282 (1998) R826282 (2000) R826282 (Final) R825433 (Final) |
Exit Exit Exit |
|
Reuter JE, Allen BC, Richards RC, Pankow JF, Goldman CR, Scholl RL, Seyfried JS. Concentrations, sources, and fate of the gasoline oxygenate methyl tert-butyl ether (MTBE) in a multiple-use lake. Environmental Science & Technology 1998;32(23):3666-3672. |
R826282 (1998) R825433 (Final) |
Exit Exit |
|
Tayfur G, Kavvas ML. Areally-averaged overland flow equations at hillslope scale. Hydrological Sciences Journal 1998;43(3):361-378. |
R826282 (1998) R826282 (Final) R825433 (Final) |
Exit Exit Exit |
Supplemental Keywords:
Limnology, paleolimnology, watershed management, adaptive management, best management practices, ecological restoration, eutrophication, watershed disturbance, urbanization, subalpine, erosion, primary productivity, lake hydrodynamics, algal bioassays, runoff., RFA, Scientific Discipline, Water, Geographic Area, Ecosystem Protection/Environmental Exposure & Risk, Nutrients, Hydrology, Water & Watershed, Environmental Chemistry, Ecosystem/Assessment/Indicators, Ecosystem Protection, State, Ecological Effects - Environmental Exposure & Risk, Ecology and Ecosystems, Watersheds, limnology, environmental monitoring, fate and transport, hydrological stability, nutrient supply, nutrient transport, ecological effects, ecological exposure, erosion, watershed management, urban landscapes, pollutant transport, ecosystem effects, subalpine landscapes, biological integrity, phytoplankton dynamics, Nevada (NV), ecosystem indicators, sediment runoff, aquatic ecosystems, ecosystem, water quality, biogeochemistry, ecological models, land use, lake ecosystems, suspended particulate matterRelevant Websites:
http://trg.ucdavis.edu Exit
http://www.engr.ucdavis.edu/~edllab/index.html
Exit
http://wwwnv.usgs.gov Exit
Progress and Final Reports:
Original AbstractThe perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.