[BACK]

Curtis L. DeGasperi

King County Water and Land Resources Division

Department of Natural Resources

201 South Jackson Street MS KSC-NR-0600
Seattle, WA 98104-3855
phone: (206) 684-1268

Research Interests

Water Quality Criteria for Fresh, Brackish and Marine Waters. Human Health and Ecological Risk Assessment. Watershed Approach to Water Quality and Ecosystem Protection. Biological Monitoring and Assessment Tools.

Education

M.S., University of Washington, Seattle, WA, 1987, Environmental Engineering and Science
B.S., University of Rochester, Rochester, NY, 1983, Biology-Geology, Cum Laude

Independent Study, West Indies Laboratory, St. Croix, USVI, 1983

Professional Affiliations

American Society of Limnology and Oceanography
American Water Resources Association
Society of Environmental Chemistry and Toxicology
North American Lake Management Society
Washington State Lake Protection Association

Favorite Links

Bike Works - Columbia City
King County Hydrologic Information Center
King County Lake Buoys
National Weather Service - Seattle
Puget Sound Partnership
Puget Sound Stream Benthos Database
Regional Water Supply Planning
Sightline Institute
USACOE - Seattle District Reservoir Control Center
USGS Washington Water Science Center
Washington State Department of Ecology

Previous Work Experience

Selected Reports and Publications

DeGasperi, C.L., H.B. Berge, K.R. Whiting, J.J. Burkey, J.L. Cassin, and R.R. Fuersteerg. 2009. Linking hydrologic alteration to biological impairment in urbanizing streams of the Puget Lowland, Washington, USA. Journal of the American Water Resources Association (JAWRA) 45(2):512-533. Link to publication

DeGasperi, C.L. 2008. Development of a 3-Dimensional Hydrodynamic Model of Lake Sammamish. King County Water and Land Resources Division, Seattle, WA Link to report

DeGasperi, C.L. 2007. Major Lakes Continuous Temperature Study: Interim Progress Report. King County Water and Land Resources Division, Seattle, WA Link to report

DeGasperi, C.L. 2005. Sammamish River Diel pH and Dissolved Oxygen Study. King County Water and Land Resources Division. Seattle, Washington. Link to report

T. Khangaonkar, Z. Yang, C. DeGasperi, and K. Marshall. 2005. Modeling hydrothermal response of a reservoir to modifications at a high-head dam. Water International 30:378-388. Link to abstract

DeGasperi, C.L. 2004. Major lakes phytoplankton study: Comparison of composite sampling techniques. King County Water and Land Resources Division. Seattle, Washington. Link to report

Arhonditsis, G.B, M.T. Brett, C.L. DeGasperi, and D.E. Schindler. 2004. Effects of climatic variability on the thermal properties of Lake Washington. Limnol. Oceanogr. 49(1):256-270. Link to publication

DeGasperi, C.L. 2002. Refinement of the Sammamish River CE-QUAL-W2 model and application to long term simulations. Appendix B. Sammamish River Corridor Action Plan. King County Water and Land Resources Division. Seattle, Washington. Link to report    Link to plan

Yang, Z., T. Khangaonkar, C. DeGasperi, and K. Marshall. 1999. Three-dimensional modeling of temperature stratification and density-driven circulation in Lake Billy Chinook, Oregon. pp. 411-425 In: Estuarine and Coastal Modeling Conference Proceedings, ASCE Link to paper

DeGasperi, C.L. and T. Khangaonkar. 1996. A steady-state model of the Willamette River: Implications for flow control of dissolved oxygen and phytoplankton biomass. pp. 163-172. In: River Quality: Dynamics and Restoration. A. Laenen and D. A. Dunnette (eds). CRC Press, Inc., Boca Raton, FL. Related Willamette River Basin Study reports

DeGasperi, C.L., D.E. Spyridakis, and E.B. Welch. 1993. Alum and nitrate as controls of short-term anaerobic sediment phosphorus release: An in vitro comparison. Lake and Reservoir Management 8:49-59. Link to abstract

Welch, E.B., C.L. DeGasperi, and D.E. Spyridakis. 1988. Sources for internal P loading in a shallow lake. Verh. Internat. Verein. Limnol. 23:307-314.

Welch, E.B., C.L. DeGasperi, D.E. Spyridakis, and T.J. Belnick. 1988. Internal phosphorus loading and alum effectiveness in shallow lakes. Lake and Reservoir Management 4:27-33. Link to abstract

DeGasperi, C.L. 1987. Sources of phosphorus to phytoplankton in a shallow eutrophic lake: the importance of sediments vs. macrophytes. M.S. thesis. University of Washington, Seattle, WA.

Welch, E.B., C.L. DeGasperi, and D.E. Spyridakis. 1986. Effectiveness of alum in a weedy, shallow lake. Water Resources Bulletin 22:921-926. Link to abstract

Selected Presentations

DeGasperi, C.L. 2009. What is up (and down) with King County River Flows? Presentation at the May 2009 King County WLRD Science Seminar, Seattle, WA. WA. link to presentation

DeGasperi, C.L. 2008. What If We Built an Environmental Indicator and Nobody Came? Presentation at the May 2008 King County WLRD Science Seminar, Seattle, WA. WA. link to presentation

DeGasperi, C.L., R. Taira, T. Georgiana, and K. Dorow. 2007. Integrated Modeling of Surface Water in WRIA 8: An Application of the Integrated Water Resource Modeling System (IWRMS). Presentation at the March 2007 Georgia Basin Puget Sound Research Conference, Vancouver, BC. WA. need correct link to presentation    link to abstract

DeGasperi, C.L. 2006. The Ultimate Answer to Life, the Universe, and Hydrologic Index Development. Presentation at the November 2006 King County WLRD Science Seminar, Seattle, WA. link to presentation

DeGasperi, C.L. 2006. Climate change impacts on Lake Washington. Presentation at the Pacific Northwest Regional Lake Protection Conference (Washington Lake Protection Association-Oregon Lakes Association), Portland, Oregon. link to presentation

DeGasperi, C.L. 2004. Development of 3-D hydrodynamic and water quality models for Lake Sammamish. Presentation at the November 2004 King County WLRD Science Seminar, Seattle, WA. link to presentation

DeGasperi, C.L. 2002. Development of 2-D water quality model of the Sammamish River. Presentation at the 2002 King County WLRD Science Seminar, Seattle, WA. link to presentation

DeGasperi, C.L., T. Khangaonkar, S. Breithaupt, and K. Marshall. 2000. Design of Optimum Selective Withdrawal Operation for Temperature Management at Round Butte Dam, Lake Billy Chinook, Oregon. Presented to the Water Environment Federation (WEF)73rd Annual Conference and Exposition on Water Quality and Wastewater Treatment, October 18, 2000, Anaheim, CA. link to paper   link to presentation

DeGasperi, C.L., T. Khangaonkar, and K. Marshall. 2000. A Water Quality Model of Lake Billy Chinook: Application to Issues Associated with Anadromous Fish Passage and Bull Trout. Presentation to the Washington Lakes Protection Association (WALPA), April 13, 2000, Seattle, WA. link to presentation

DeGasperi, C.L., T. Khangaonkar, Z. Yang, and K. Marshall. 1999. BETTER temperature model of Lake Billy Chinook, Oregon. Presented to the American Society of Civil Engineers' (ASCE) Water Resources Conference, October 9, 1999, Seattle, WA. Link to paper

DeGasperi, C.L., T. Khangaonkar, S. Breithaupt, John Koch, and Rick Andrews. 1998. A model of sediment recontamination following cleanup of the Norfolk Site, Duwamish River, Seattle, WA. Presentation to the Pacific Northwest Pollution Control Association Annual Conference, October 27, 1998, Portland, OR.

Posters

DeGasperi, C.L. 2009. Connecting hydrologic alteration to biological impairment in urbanizing streams of the Puget Lowland. Poster presentation to the February 2009 Puget Sound-Georgia Basin Conference, Seattle, WA. link to poster

DeGasperi, C.L. 2003. Development of 3-dimensional hydrodynamic and water quality models of Lake Washington and Lake Sammamish. Poster presentation to the April 2003 Washington State Lake Protection Association's 16th Annual Conference, Chelan, WA. link to poster

Ellis, S.E. and C.L. DeGasperi. 1993. The lower Columbia River Bi-State Program 1991 reconnaissance survey. Poster presentation to the North American Lake Management Society 13th Annual Symposium, December 2, 1993, Seattle, WA. Related Columbia River Bi-State Program reports