B.A., Biology, University of California, Santa Cruz, 1978

M.S., Botany, University of Washington, Seattle, 1980

Ph.D., Oceanography, University of Alaska Fairbanks, 1987

Interdisciplinary aspects of biogeochemistry and ecology, including stable and radioisotope composition of organic materials and natural waters; aquatic plant physiology; high latitude oceanography and hydrology

2009:

Cui, X., J. M. Grebmeier, L. W. Cooper, J. R. Lovvorn, C. A. North, W. L. Seaver, and J. M. Kolts, 2009. Spatial distributions of groundfish in the northern Bering Sea in relation to environmental variation, Marine Ecology Progress Series, 393, 147-160, doi:110.3354/meps08275

Bates, N., J. T. Mathis, and L. W. Cooper, 2009. Ocean acidification and biologically induced seasonality of carbonate mineral saturation states in the Western Arctic Ocean, Journal of Geophysical Research, 114, C11007, doi:10.1029/2008JC004862.

Pirtle-Levy, R., Grebmeier, J.M., Cooper, L.W., Larsen, I.L., 2009. Seasonal variation of chlorophyll a in Arctic sediments implies long persistence of plant pigments. Deep-Sea Research II, 56 (2009) 1326–1338

Cooper, L.W., Lalande, C., Pirtle-Levy, R., Larsen, I.L., Grebmeier, J.M., 2009. Seasonal and decadal shifts in particulate organic matter processing and sedimentation in the Bering Strait shelf region.Deep-Sea Research II, 56(2009)1316–1325.

Lovvorn, J. R., J. M. Grebmeier, L. W. Cooper, J. K. Bump, and S. E. Richman, 2009. Modeling marine protected areas for threatened eiders in a climatically changing Bering Sea, Ecological Applications, 19, 1596-1613.

Lovvorn, J. R., J. J. Wilson, D. McKay, J. K. Bump, L. W. Cooper, and J. M. Grebmeier (2009), Walruses attack spectacled eiders wintering in pack ice, Arctic, in-press.

Hall R.O., J.L. Tank, D.J. Sobota, P.J. Mulholland, J.M O'Brien, W.K. Dodds, J.R. Webster, H.M. Valett, G.C. Poole, B.J. Peterson, J.L. Meyer, W.H. McDowell, S.L. Johnson, S.K. Hamilton, N.B. Grimm, S.V. Gregory, C.N. Dahm, L.W. Cooper, L.R. Ashkenas, S.M. Thomas, R.W. Sheibley, J.D. Potter, B.R. Niederlehner, L.T. Johnson, A.M. Helton, C.M. Crenshaw, A.J. Burgin, M.J. Bernot, J.J. Beaulieu, and C.P. Arango. 2009. Nitrate removal in stream ecosystems measured by N-15 addition experiments: Total uptake. Limnology and Oceanography 54: 653-665.

Mulholland, P.J., R.O. Hall, D.J. Sobota, W.K. Dodds, S.E.G. Findlay, N.B. Grimm, S.K. Hamilton, W.H. McDowell, J.M. O'Brien, J.L. Tank, L.R. Ashkenas, L.W. Cooper, C.N. Dahm, S.V. Stanley, S.L. Johnson, J.L. Meyer, B.J. Peterson, G.C. Poole, H.M. Valett, J.R. Webster, C.P. Arango, J.J. Beaulieu, M.J. Bernot, A.J. Burgin, C.L. Crenshaw, A.M. Helton, L.T. Johnson, B.R. Niederlehner, J.D. Potter, R.W. Sheibley, and S.M. Thomas. Nitrate removal in stream ecosystems measured by N-15 addition experiments: Denitrification. Limnology and Oceanography 54: 666-680.

2008:

Cooper, L.W., McClelland, J.W., Holmes, R.M, Raymond, P.A., Gibson, J.J., Guay, C.K., Peterson, B.J., 2008. Flow-weighted Values of Runoff Tracers (δ18O, DOC, Ba, Alkalinity) from the Six Largest Arctic Rivers. Geophysical Research Letters, 35, L18606, doi:10.1029/2008GL035007, 2008.

McClelland, J. W., R. M. Holmes, B. J. Peterson, R. Amon, T. Brabets, L. Cooper, J. Gibson, V. V. Gordeev, C. Guay, D. Milburn, R. Staples, P. A. Raymond, I. Shiklomanov, R. Striegl, A. Zhulidov, T. Gurtovaya, and S. Zimov, 2008. Development of a pan-Arctic database for river chemistry, Eos, Trans. AGU, 89:217-218, doi:10.1029/2008EO240001.

Mulholland, P. J., A M. Helton, G. C. Poole, R.O. Hall, Jr.,S. K. Hamilton, B. J. Peterson, J. L. Tank, L. R. Ashkenas, L. W. Cooper, C. N. Dahm, W. K. Dodds, S. E. G. Findlay, S. V. Gregory, N. B. Grimm, S.L. Johnson, W. H. McDowell, J. L. Meyer, H. M. Valett, J. R. Webster, C. P. Arango, J. J. Beaulieu, M. J. Bernot, A. J. Burgin, C. L. Crenshaw, L. T. Johnson, B. R. Niederlehner, J. M. O’Brien, J D. Potter, R W. Sheibley, D J. Sobota, S M. Thomas, 2008. Stream denitrification across biomes and its response to anthropogenic nitrate loading, Nature, 452:202-205, doi:10.1038/nature06686

Lalande, C., S.B. Moran, P. Wassmann, J.M. Grebmeier, L.W. Cooper, 2008. 234Th-derived particulate organic carbon fluxes in the northern Barents Sea with comparison to drifting sediment traps fluxes. Journal of Marine Systems, 73: 103-113, doi:10.1016/j.jmarsys.2007.09.004

2007:

Lalande, C., K. Lepore, L.W. Cooper, J.M. Grebmeier, S.B. Moran, 2007. Export fluxes of particulate organic carbon in the Chukchi Sea: A comparative study using 234Th/238U disequilibria and drifting sediment traps. Marine Chemistry, 103, 185-196.

Lepore, K., S.B. Moran, J.M. Grebmeier, L.W. Cooper, C. Lalande, W. Maslowski, V. Hill, N.R. Bates, D.A. Hansell, J.T. Mathis, R.P. Kelly, 2007 Seasonal and interannual changes in POC export and deposition in the Chukchi Sea. Journal of Geophysical Research, 112, C10024, doi:10.1029/2006JC003555, 2007

Mathis, J.T., D.A. Hansell, D. Kadko, N.R. Bates, and L.W. Cooper, 2007. Determining net dissolved organic carbon production in the hydrographically complex western Arctic Ocean. Limnology and Oceanography. 52(2) 1789-1799.

Lalande, C., J.M. Grebmeier, P. Wassman, L.W. Cooper, M.V. Flint, V.M. Sergeeva, 2007. Export fluxes of biogenic matter in the presence and absence of seasonal sea ice cover in the Chukchi Sea. Continental Shelf Research, 27, 2051-2065

2006:

Cooper, L.W. L.A. Codispoti, V. Kelly, G.G. Sheffield, and J.M. Grebmeier, 2006. The potential for using Little Diomede Island as a platform for observing environmental conditions in Bering Strait.Arctic, 59(2): 129-141

Grebmeier, J.M., J.E. Overland, S.E. Moore, E.V. Farley, E.C. Carmack, L.W. Cooper, K.E. Frey, J.H. Helle, F.A. McLaughlin, L. McNutt, 2006. A major ecosystem shift in the northern Bering Sea. Science 311: 1461-1464.

Cooper, L.W., C.J. Ashjian, S.L.Smith, L.A. Codispoti, J.M. Grebmeier, R.G. Campbell and E.B. Sherr, 2006. Rapid seasonal sea-ice retreat in the Arctic could be impacting Pacific walrus (Odobenus rosmarus divergens) recruitment. Aquatic Mammals 32(1), 98-102, doi 10.1578/AM.32.1.2006.98

Cota, G.F., L.W. Cooper, D.A. Darby and I.L. Larsen, 2006. Unexpectedly high radioactivity burdens in ice-rafted sediments from the Canadian Arctic Archipelago. The Science of the Total Environment, 366, 253-261.

Grebmeier, J.M., L.W. Cooper, H.M. Feder, B.I. Sirenko, 2006. Ecosystem dynamics of the Pacific influenced Northern Bering and Chukchi Seas. Progress in Oceanography, 71, 331-361.

Bering Sea Ecosystem Study: Benthic Ecosystem Response to Changing Ice Cover in the Bering Sea (National Science Foundation ARC-0802290)

Bering Sea Integrated Ecosystem Research Projects funded by the North Pacific Research Board: Epi-benthic survey and Patch Dynamics

Benthic Carbon Cycling and Ecosystem Structure in the Northern Bering and Chukchi Seas(NOAA Arctic Research Program, RUSALCA Russian-American Cooperative Research Program NOAA Climate Program, # OAR-CPO-2008-2000994

Benthic Sampling Program in the Chukchi Sea - Alaska, Shell Oil Exploration and Production Company

Chukchi Sea Offshore Monitoring in Drilling Area (COMIDA), Minerals Management Service