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Mark Dornblaser


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Short Biography

I have been a research chemist with the USGS National Research Program since 1998.  My focus is on the biogeochemical cycling of carbon in aquatic systems. 

B.A., Environmental Studies, Middlebury College, VT, 1984

M.Sc., Marine Science, State University of New York, Stony Brook, 1986

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Dornblaser, Mark M. and Robert G. Striegl (2015), Switching predominance of organic versus inorganic carbon exports from an intermediate‐size subarctic watershed Geophysical Research Letters, DOI: 10.1002/2014GL062349

O'Donnell, Jonathon A., G.R. Aiken, Michelle A. Walvoord, Peter A. Raymond, Kenna D. Butler, Mark M. Dornblaser, and Katherine Heckman (2014), Using dissolved organic matter age and composition to detect permafrost thaw in boreal watersheds of interior Alaska, J. Geophys. Res.,   10.1002/2014JG002695


Spencer, Robert G.M., G.R. Aiken, M.M. Dornblaser, K.D. Butler, R.M. Holmes, G. Fiske, P.J. Mann, and A. Stubbins (2013), Chromophoric dissolved organic matter export from U.S. rivers, Geophysical Res. Lett., doi:10.1002/GRL.50357.


Crawford, J.T., R.G. Striegl, K.P. Wickland, M.M. Dornblaser, and E.H. Stanley (2013), Emissions of carbon dioxide and methane from a headwater stream network of interior Alaska, J. Geophy. Res., doi:10.1002/jgrg.20034.


Striegl, R.G., M.M. Dornblaser, C.P. McDonald, J.R. Rover, and E.G. Stets (2012), Carbon dioxide and methane emissions from the Yukon River system, Global Biogeochem. Cycles, 26, GB0E05, doi:10.1029/2012GB004306.


Wickland, K. P., G. R. Aiken, K. Butler, M. M. Dornblaser, R. G. M. Spencer, and R. G. Striegl (2012), Biodegradability of dissolved organic carbon in the Yukon River and its tributaries: Seasonality and importance of inorganic nitrogen, Global Biogeochem. Cycles, 26, GB0E03, doi:10.1029/2012GB004342.


Schuster, Paul, Striegl, R.G., Aiken, G.R., Reddy, M.M., Krabbenhoft, D.P., DeWild, J.F., and Dornblaser, M., 2011, Mercury export from the Yukon River basin and the potential response to a changing climate, Env. Sci. Tech., v. 45, no. 12, p. 9262-9267. 


Dornblaser, Mark M. and R.G. Striegl (2009), Suspended sediment and carbonate transport in the Yukon River basin, Alaska: fluxes and potential future responses to climate change, Water Resour. Res., 45, W06411, doi:10.1029/2008WR007546.

Spencer, R.G.M., G.R. Aiken, K.D. Butler, M.M. Dornblaser, R.G. Striegl, and P.J. Hernes (2009), Utilizing chromophoric dissolved organic matter measurements to derive export and reactivity of dissolved organic carbon exported to the Arctic Ocean: A case study of the Yukon River, Alaska, Geophys. Res. Lett., doi:10.1029/2008GL036831.


Halm, D., Dornblaser, M., Striegl, R., Schuster, P., and Aiken, G., Intensive water quality sampling of the Yukon River and its tributaries from the headwaters, Yukon Territory to Eagle, Alaska, U.S. Geological Survey Open-File Report 2007-1197.


Dornblaser, Mark M., and R.G. Striegl, Nutrient (N,P) loads and yields at multiple scales and sub-basin types in the Yukon River basin, Alaska (2007), J. Geophys. Res.,  112, G04S57, doi:10.1029/2006JG000366.


Striegl, R.G., M.M. Dornblaser, G.R. Aiken, K.P. Wickland, and P.A. Raymond (2007), Carbon export and cycling by the Yukon, Tanana, and Porcupine Rivers, Alaska, 2001-05, Wat. Resour. Res., 43, W02411, doi:10.1029/2006WR005201.


Dornblaser, Mark M. and D.R. Halm, 2006, Water and Sediment Quality of the Yukon River and its Tributaries, from Eagle to St. Marys, Alaska, 2002-2003, U.S. Geological Survey Open-File Report 2006-1228, 201 p.,


Striegl, R.G., G.R. Aiken, M.M. Dornblaser, P.A. Raymond, and K.P. Wickland (2005), A decrease in discharge normalized DOC export by the Yukon River during summer through autumn, Geophys. Res. Lett., 32, L21413, doi:10.1029/2005GL024413.


Striegl, R.G. and Dornblaser, M.M., 2005, Dissolved gases and dissolved inorganic carbon, in P.F. Schuster, ed., Water and Sediment Quality in the Yukon River Basin, Alaska, during Water Year 2002, USGS Open-File Report 2005-1199, 82 p., Boulder, CO.


Striegl, R.G. and Dornblaser, M.M., 2005, Dissolved gases and dissolved inorganic carbon, in P.F. Schuster, ed., Water and Sediment Quality in the Yukon River Basin, Alaska, during Water Year 2003, USGS Open-File Report 2005-1397, 74 p., Boulder, CO.


Clow, D.W., L. Schrott, R. Webb, D.H. Campbell, A. Torizzo, and M. Dornblaser (2003), Ground water occurrence and contributions to streamflow in an alpine catchment, Colorado Front Range. Ground Water, 41(7), 937-950, doi:10.1111/j.1745-6584.2003.tb02436.x.


Clow, David W., J.O. Sickman, R.G. Striegl, D.P. Krabbenhoft, J.G. Elliott, M.M. Dornblaser, D.A. Roth, and D.H. Campbell (2003), Changes in the chemistry of lakes and precipitation in high-elevation National Parks in the western United States, 1985-99, Water Resour. Res., 39(6), 1171, doi:10.1029/2002WR001533.


Striegl, R.G. and Dornblaser, M.M.,, 2003, Dissolved gases and dissolved inorganic carbon, in P.F. Schuster, ed., Water and Sediment Quality in the Yukon River Basin, Alaska, during Water Year 2001, USGS Open-File Report 03-427, 120 p., Denver CO.


Krabbenhoft, D.P., M.L. Olson, J.F. DeWild, D.W. Clow, R.G. Striegl, M.M. Dornblaser, and P. Van Metre (2002), Mercury loading and methylmercury production and cycling in high altitude lakes from the Western United States, Water, Air, and Soil Pollution: Focus 2:233-249.


Fry, Brian, Anne Giblin, Mark Dornblaser and Bruce Peterson (1995), Stable sulfur isotopic compositions of chromium-reducible sulfur in lake sediments, In: Geochemical Transformations of Sedimentary Sulfur, ACS Symposium Series No. 612, M. Vairavamurthy and M. Schoonens, eds. pp. 397-410.


Dornblaser, Mark, A. E. Giblin, B. Fry and B. J. Peterson (1994), Effects of sulfate concentration in the overlying water on sulfate reduction and sulfur storage in lake sediments. Biogeochemistry. 24:129-144.


Cochran, J. Kirk, T. McKibben-Vaughn, M. Dornblaser, D. Hirschberg, H. D. Livingston and K. O. Buesseler (1990), 210Pb scavenging in the North Atlantic and North Pacific Oceans. Earth and Planetary Science Letters, 97:332-352.


Dornblaser, M., J. Tucker, G. T. Banta, K. H. Foreman, M. C. O’Brien and A. E. Giblin (1989), Obtaining undisturbed sediment cores for biogeochemical process studies using SCUBA. In: Diving for Science 1989, Proceedings of the American Academy of Underwater Sciences, M. A. Lang and W. C. Japp, Eds. pp. 97-104.


Dornblaser, M. (1983), A study on the concentration of pelagic tar in the Loop Current, the Gulf Stream, and the Sargasso Sea, Sea Education Association Cruise Report, W-69.


My Science Topics

Science Topic
Ecology and Environmentaquatic ecosystems
Ecology and Environmentfreshwater ecosystems

My USGS Science Strategy Areas

Understanding Ecosystems & Predicting Ecosystems Change

Characterization of Biotic and Biogeochemical Interactions at Environmental Interfaces

My focus is on the biogeochemical cycling of carbon in aquatic systems.  Field sites include rivers and lakes in Rocky Mountain National Park, Colorado, north temperate areas in Minnesota, Wisconsin, and Vermont, high latitude boreal areas in Alaska, and Puerto Rico.  Recent efforts have involved the measurement of dissolved carbon export and CO2 emissions from these systems, using state of the art in-situ sensors.

Contact Information

Mark Dornblaser
3215 Marine St, Bldg 6
Boulder, CO 80309
303-541-3084 - Fax
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