Publications

*Ph.D. student author, **M.S./M.A. student author, ***B.A. student author

2023

Frey, K. E., J. C. Comiso, L. W. Cooper, C. Garcia, J. M. Grebmeier, & L. V. Stock (2023), Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline, In Arctic Report Card 2023. In Arctic Report Card 2023, http://www.arctic.noaa.gov/reportcard.

Frey, K. E., J. C. Comiso, L. V. Stock, L. N. C. Young*, L. W. Cooper & J. M. Grebmeier (2023), A comprehensive satellite-based assessment across the Pacific Arctic Distributed Biological Observatory shows widespread late-season sea surface warming and sea ice declines with significant influences on primary productivity. PLOS ONE, 18(7): e0287960. https://doi.org/10.1371/journal.pone.0287960. (31 pp.).

Kurek, M. R., F. Garcia-Tigreros, K. P. Wickland, K. E. Frey, M. M. Dornblaser, R. G. Striegl, S. F. Niles, A. M. McKenna, P. J. K. Aukes, E. D. Kyzivat, C. Wang, T. M. Pavelsky, L. C. Smith, S. L. Schiff, D. Butman & R. G. M. Spencer (2023), Hydrologic and landscape controls on dissolved organic matter composition across western North American Arctic lakes. Global Biogeochemical Cycles, 37, e2022GB007495. https://doi.org/10.1029/2022GB007495 (22 pp.).

2022

Frey, K. E., J. C. Kinney, L. V. Stock & R. Osinski (2022), Observations of Declining Primary Productivity in the Western Bering Strait. Oceanography, https://doi.org/10.5670/oceanog.2022.123 (4 pp.).

Frey, K. E., J. C. Comiso, L. W. Cooper, C. Garcia-Eidell, J. M. Grebmeier, & L. V. Stock (2022), Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline, In Arctic Report Card 2022, http://www.arctic.noaa.gov/reportcard, doi: 10.25923/0je1-te61.

Himmelberger, A.***, E. Frey & F. Sangermano (2022), Applying Landscape Fragmentation Analysis to Icescape Environments: Potential Impacts for the Pacific Walrus (Odobenus rosmarus divergens). Polar Research, 41, https://doi.org/10.33265/polar.v41.5169 (14 pp.).

Gaffey, C.*, A. Bhardwaj, K. E. Frey & L. Estes (2022), Polar and Cryospheric Remote Sensing Using sUAS. In: Konsoer, K., M. Leitner, Q. Lewis (eds.) sUAS Applications in Geography: Geotechnologies and the Environment, 24. Springer, Cham. https://doi.org/10.1007/978-3-031-01976-0_9 (27 pp.).

Gaffey, C. B.*, E. Frey, L. W. Cooper & J. M. Grebmeier (2022), Phytoplankton bloom stages estimated from chlorophyll pigment proportions suggest delayed summer production in low sea ice years in the northern Bering Sea. PLOS ONE, 17(7), e0267586. https://doi.org/10.1371/journal.pone.0267586 (22 pp.).

Kurek M. R., K. E. Frey, F. Guillemette, D. C. Podgorski, A. Townsend-Small, C. D. Arp, A. M. Kellerman & R. G. M. Spencer (2022), Trapped Under Ice: Seasonal and spatial dynamics of dissolved organic matter compositions in tundra lakes. Journal of Geophysical Research: Biogeosciences 127, e2021JG006578, https://doi.org/10.1029/2021JG006578 (19 pp.).

Clement Kinney, J., W. Maslowski, R. Osinski, Y. Lee, C. Goethel, K. E. Frey & A. Craig (2022), On the variability of the Bering Sea Cold Pool and implications for the biophysical environment. PLOS ONE, 17(4): e0266180, https://doi.org/10.1371/journal.pone.026618 (25 pp.).

2021

Frey, K. E., J. C. Comiso, L. W. Cooper, J. M. Grebmeier, & L. V. Stock (2021), Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline, In Arctic Report Card 2021, http://www.arctic.noaa.gov/reportcard, doi: 10.25923/kxhb-dw16.

Santiago, M. I.* & K. E. Frey (2021), Assessment of empirical and semi-analytical algorithms using MODIS-Aqua for representing in-situ chromophoric dissolved organic matter (CDOM) in the Bering, Chukchi, and western Beaufort Seas of the Pacific Arctic region. Remote Sensing, 13(18), 3673, https://doi.org/10.3390/rs13183673 (14 pp.).

Michel, C., T. R. Christensen, K. E. Frey, T. Kikuchi, K. Langley, F. J. Parmentier, M. K. Sejr, J. -E., Tremblay, A. Fujiwara, E. Watanabe (2021), Arctic Climate and Ecosystem Linkages: Impacts and Feedbacks. In AMAP Arctic Climate Change Update 2021: Key Trends and Impacts, pp. 85–106. Arctic Council/Arctic Monitoring and Assessment Programme (AMAP). Tromsø, Norway.

Wegner Koch, C., L. W. Cooper, R. J. Woodland, J. M. Grebmeier, K. E. Frey, R. Stimmelmayr, C. Magen & T. A. Brown (2021), Female Pacific walruses (Odobenus rosmarus divergens) show greater partitioning of sea ice organic carbon than males: Evidence from ice algae trophic markers. PLoS ONE, 16(8), e0255686, https://doi.org/10.1371/journal.pone.0255686 (24 pp.).

Stolpmann, L., C. Coch, A. Morgenstern, J. Boike, M. Fritz, U. Herzschuh, K. Stoof-Leichsenring, Y. Dvornikov, B. Heim, J. Lenz, A. Larsen, K. Walter Anthony, B. Jones, K. E. Frey & G. Grosse (2021), First Pan-Arctic Assessment of Dissolved Organic Carbon in Lakes of the Permafrost Region. Biogeosciences, 18, 3917–3936, https://doi.org/10.5194/bg-18-3917-2021 (20 pp.).

2020

York, A. V.*, K. E. Frey, S. Jamali & S. B. Das (2020), Change points detected in decadal and seasonal trends of outlet glacier terminus positions across central West Greenland. Remote Sensing 12(21), 3651, https://doi.org/10.3390/rs12213651 (25 pp.).

York, A. V.*, K. E. Frey & L. N. C. Young* (2020), Changes at the Edge: Trends in sea ice, ocean temperature, and ocean color at the Northwest Atlantic/Southern Arctic interface. Annals of Glaciology, 1–15, https://doi.org/10.1017/aog.2020.66 (15 pp.).

Wegner Koch, C., L. W. Cooper, J. M. Grebmeier, K. E. Frey & T. A. Brown (2020), Ice algae resource utilization by benthic macro- and megafaunal communities on the Pacific Arctic shelf determined through lipid biomarker analysis. Marine Ecology Progress Series 651, 23–43, https://doi.org/10.3354/meps13476 (21 pp.).

Wegner Koch, C. E., L. W. Cooper, T. A. Brown, C. L. Lalande, K. E. Frey & J. M. Grebmeier (2020), Seasonal latitudinal variations in sea ice algae deposition in the Northern Bering and Chukchi Seas determined by algal biomarkers. PLoS ONE 15(4): e0231178. https://doi.org/10.1371/journal.pone.0231178 (31 pp.).

Frey, K. E., J. C. Comiso, L. W. Cooper, J. M. Grebmeier, & L. V. Stock (2020), Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline, In Arctic Report Card 2020, http://www.arctic.noaa.gov/reportcard, doi: 10.25923/vtdn-2198.

2019

Grebmeier, J. M., S. E. Moore, L. W. Cooper & K. E. Frey (2019), The Distributed Biological Observatory: A Change Detection Array in the Pacific Arctic. Deep Sea Research Part II: Topical Studies in Oceanography 162, https://doi.org/10.1016/j.dsr2.2019.05.005 (7 pp.).

Frey, K. E., J. C. Comiso, L. W. Cooper, J. M. Grebmeier, & L. V. Stock (2019), Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline, In Arctic Report Card 2019, http://www.arctic.noaa.gov/reportcard.

Sturdivant, E. J.**, K. E. Frey & F. E. Urban (2019), Snowmelt detection from QuikSCAT and ASCAT satellite radar scatterometer data across the Alaskan North Slope. GIScience and Remote Sensing, https://doi.org/10.1080/15481603.2018.1493045 (22 pp.). pdf copy

2018

Frey, K. E., J. C. Comiso, L. W. Cooper, J. M. Grebmeier, & L. V. Stock (2018), Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline, In Arctic Report Card 2018, http://www.arctic.noaa.gov/reportcard.

Grebmeier, J. M., K. E. Frey, L. W. Cooper & M. Kędra (2018), Trends in Benthic Macrofaunal Populations, Seasonal Sea Ice Persistence, and Bottom Water Temperatures in the Bering Strait Region. Oceanography 31(2), https://doi.org/10.5670/oceanog.2018.224 (17 pp.). pdf copy

Neeley, A. R.*, L. A. Harris, K. E. Frey (2018), Unraveling phytoplankton community dynamics in the northern Chukchi and western Beaufort seas amid climate change. Geophysical Research Letters 45, https://doi.org/10.1029/2018GL077684 (9 pp.). (Journal Cover Article) pdf copy

Griffin, C. G.*, J. W. McClelland, K. E. Frey, G. Fiske & R. M. Holmes (2018), Quantifying CDOM and DOC in Major Arctic Rivers During Ice-Free Conditions using Landsat TM and ETM+ Data. Remote Sensing of Environment 209, 395–409 (15 pp.). pdf copy

Odell, S. D.*, A. Bebbington, K. E. Frey (2018), Mining and Climate Change: A Review and Framework for Analysis. The Extractive Industries and Society 5, 201–214, https://doi.org/10.1016/j.exis.2017.12.004 (14 pp.). pdf copy

2017

Frey, K. E., J. C. Comiso, L. W. Cooper, L. B. Eisner, R. R. Gradinger, J. M. Grebmeier & J. -É. Tremblay (2017), Arctic Ocean Primary Productivity, In Arctic Report Card 2017, http://www.arctic.noaa.gov/reportcard.

Hinkel, K. M., C. D. Arp, A. Townsend-Small, K. E. Frey (2017), Can Deep Groundwater Influx be Detected from the Geochemistry of Thermokarst Lakes in Arctic Alaska? Permafrost and Periglacial Processes, doi:10.1002/ppp.1895 (6 pp.). pdf copy

Shake, K. L.*, K. E. Frey, D. G. Martin & P. E. Steinberg (2017), (Un)frozen spaces: Exploring the role of sea ice in the marine socio-legal spaces of the Bering and Beaufort seas. Journal of Borderland Studies. doi:10.1080/08865655.2017.1340847 (15 pp.). pdf copy

2016

Frey, K. E., J. C. Comiso, L. W. Cooper, R. R. Gradinger, J. M. Grebmeier & J. -É. Tremblay (2016), Arctic Ocean Primary Productivity, In Arctic Report Card 2016, http://www.arctic.noaa.gov/reportcard.

Cooper, L. W., K. E. Frey, C. L. Logvinova**, D. M. Biasatti & J. M. Grebmeier (2016), Variations in the proportions of melted sea ice and runoff in surface waters of the Chukchi Sea: A retrospective analysis, 1990–2012, and analysis of the implications of melted sea ice in an under-ice bloom. Deep-Sea Research II, http://dx.doi.org/10.1016/j.dsr2.2016.04.014 (8 pp.). pdf copy

Strong, A. L., K. E. Lowry, Z. W. Brown, M. M. Mills, G. L. van Dijken, R. S. Pickart, L. W. Cooper, K. E. Frey, R. Benner, C. G. Fichot, J. T. Mathis, N. R. Bates & K. R. Arrigo (2016), Mass balance estimates of carbon export in different water masses of the Chukchi Sea shelf. Deep-Sea Research II, http://dx.doi.org/10.1016/j.dsr2.2016.05.003 (12 pp.). pdf copy

Piper, M. M., C. R. Benitez-Nelson, K. E. Frey, M. M. Mills & S. Pal (2016), Dissolved and particulate phosphorus distributions and elemental stoichiometry throughout the Chukchi Sea. Deep-Sea Research II, http://dx.doi.org/10.1016/j.dsr2.2016.05.009i (12 pp.). pdf copy

Logvinova, C. L.**, K. E. Frey & L. W. Cooper (2016), The role of sea ice melt in the distribution of chromophoric dissolved organic matter in the Chukchi and Beaufort seas. Deep-Sea Research II, http://dx.doi.org/10.1016/j.dsr2.2016.04.017i (15 pp.). pdf copy

Schade, J. D., E. C. Seybold, T. Drake, W. V. Sobczak, K. E. Frey, R. M. Holmes & N. Zimov (2016), Variation in summer nitrogen and phosphorus uptake among Siberian headwater streams. Polar Research 35, 24571, http://dx.doi.org/10.3402/polar.v35.24571 (10 pp.). pdf copy

Frey, K. E., W. V. Sobczak, P. J. Mann & R. M. Holmes (2016), Optical properties and bioavailability of dissolved organic matter along a flow-path continuum from soil pore waters to the Kolyma River mainstem, East Siberia. Biogeosciences 13, 2279–2290, doi:10.5194/bg-13-2279-2016 (12 pp.). pdf copy

Ray, G. C., G. L. Hufford, J. E. Overland, I. Krupnik, J. McCormick-Ray, K. E. Frey & E. Labunski (2016), Decadal Bering Sea Seascape Change: Consequences for Pacific Walruses and Indigenous Hunters. Ecological Applications 26, 24–41, doi:10.1890/15-0430 (18 pp.). pdf copy

2015

Logvinova, C. L.**, K. E. Frey, P. J. Mann, A. Stubbins & R. G. M. Spencer (2015), Assessing the potential impacts of declining Arctic sea ice cover on the photochemical degradation of dissolved organic matter in the Chukchi and Beaufort seas. Journal of Geophysical Research-Biogeosciences 120, 2326–2344, doi:10.1002/2015JG003052 (19 pp.). pdf copy

Trusel, L. D.*, K. E. Frey, S. Das, K. B. Karnauskas, P. Kuipers Menneke, E. van Meijgaard & M. R. van den Broeke (2015), Divergent trajectories of Antarctic ice shelf surface melt under 21st century climate scenarios. Nature Geoscience, doi:10.1038/ngeo2563. (Journal Cover Article) pdf copy

Polashenski, C., D. K. Perovich, K. E. Frey, L. W. Cooper , C. L. Logvinova**, R. Dadic, B. Light, H. P. Kelly, L. D. Trusel* & M. Webster (2015), Physical and morphological properties of sea ice in the Chukchi and Beaufort Seas during the 2010 and 2011 NASA ICESCAPE missions. Deep-Sea Research II 118, Part A, 7–17, doi:10.1016/j.dsr2.2015.04.006. pdf copy

Frey, K. E., J. C. Comiso, L. W. Cooper, R. R. Gradinger, J. M. Grebmeier & J. -É. Tremblay (2015), Arctic Ocean Primary Productivity, In Arctic Report Card 2015, http://www.arctic.noaa.gov/reportcard.

Evans, W., J. T. Mathis, J. N. Cross, N. R. Bates, K. E. Frey, B. G. T. Else, T. N. Papkyriakou, M. D. DeGrandpre, F. Islam, W. -J. Cai, B. Chen, M. Yamamoto-Kawai, L. A. Miller, E. Carmack, W. J. Williams & T. Takahashi (2015), Sea-air CO2 exchange in the western Arctic coastal ocean. Global Biogeochemical Cycles 29, doi:10.1002/2015GB005153 (20 pp.). pdf copy

Frey, K. E., G. W. K. Moore, J. M. Grebmeier & L. W. Cooper (2015), Divergent Patterns of Recent Sea Ice Cover across the Bering, Chukchi, and Beaufort Seas of the Pacific Arctic Region. Progress in Oceanography 136, 32–49, http://dx.doi.org/10.1016/j.pocean.2015.05.009. pdf copy

Grebmeier, J. M., B. A. Bluhm, L. W. Cooper, S. L. Danielson, K. R. Arrigo, A. L. Blanchard, J. T. Clark, R. H. Day, K. E. Frey, R. R. Gradinger, M. Kedra, B. Konar, K. J. Kuletz, S. H. Lee, J. R. Lovvorn, B. L. Norcross & S. R. Okkonen (2015), Ecosystem characteristics and processes facilitating persistent macrobenthic biomass hotspots and associated benthivory in the Pacific Arctic. Progress in Oceanography 136, 92–114, http://dx.doi.org/10.1016/j.pocean.2015.05.006. pdf copy

Broderick, D. E.**, K. E. Frey, J. Rogan, H. D. Alexander & N. S. Zimov (2015), Estimating upper soil horizon carbon stocks in a permafrost watershed of Northeast Siberia by linking field measurements to Landsat-5 TM and WorldView-2 satellite data. GIScience and Remote Sensing, doi:10.1080/15481603.2015.1010434 (27 pp.). pdf copy

2014

Frey, K. E., J. A. Maslanik, J. Clement Kinney & W. Maslowski (2014), Recent variability in sea ice cover, age, and thickness in the Pacific Arctic Region. In: Grebmeier, J. M. & W. Maslowski (eds.) The Pacific Arctic Region: ecosystem status and trends in a rapidly changing environment. Springer: Dordrecht, pp. 31–64. pdf copy

Frey, K. E., J. C. Comiso, L. W. Cooper, R. R. Gradinger, J. M. Grebmeier, S. -I. Saitoh & J. -É. Tremblay (2014), Arctic Ocean Primary Productivity, In Arctic Report Card 2014, http://www.arctic.noaa.gov/reportcard.

Bates, N. R., R. Garley, K. E. Frey, K. L. Shake & J. T. Mathis (2014), Sea-ice melt CO2-carbonate chemistry in the western Arctic Ocean: meltwater contributions to air-sea CO2 gas exchange, mixed-layer properties and rates of net community production under sea ice. Biogeosciences 11, 6769–6789, doi:10.5194/bg-11-6769-2014. pdf copy

Panday, P. K.*, J. Thibeault & K. E. Frey (2014), Changing temperature and precipitation extremes in the Hindu Kush-Himalayan region: An analysis of CMIP3 and CMIP5 simulations and projections. International Journal of Climatology, doi:10.1002/joc.419 (20 pp.). pdf copy

Cross, J. N., J. T. Mathis, K. E. Frey, C. Cosca, S. L. Danielson, N. R. Bates, T. Takahashi & W. Evans (2014), Annual sea-air CO2 fluxes in the Bering Sea: Insights from new autumn and winter observations of a seasonally ice-covered continental shelf. Journal of Geophysical Research-Oceans 119, doi:10.1002/2013JC009579 (16 pp.). pdf copy

Bhatt, U. S., D. A. Walker, J. E. Walsh, E. C. Carmack, K. E. Frey, W. N. Meier, S. E. Moore, F. W. Parmentier, E. Post, V. E. Romanovsky, W. R. Simpson (2014), Implications of Arctic Sea Ice Decline for the Earth System. Annual Reviews of Environment and Resources 39, doi:10.1146/annurev-environ-122012-094357 (33 pp.). pdf copy

Arrigo, K. R., D. K. Perovich, R. S. Pickart, Z. W. Brown, G. L. van Dijken, K. E. Lowry, M. M. Mills, M. A. Palmer, W. M. Balch, N. R. Bates, C. R. Benitez-Nelson, E. Brownlee, K. E. Frey, S. R. Laney, J. Mathis, A. Matsuoka, B. G. Mitchell, G. W. K. Moore, R. A. Reynolds, H. M. Sosik & J. H. Swift (2014), Phytoplankton blooms beneath sea ice in the Chukchi Sea. Deep Sea Research II, http://dx.doi.org/10.1016/j.dsr2.2014.03.018 (16 pp.). pdf copy

Criscitiello, A. S., S. B. Das, K. B. Karnauskas, M. J. Evans, K. E. Frey, I. Joughin, E. J. Steig, J. R. McConnell & B. Medley (2014), Tropical Pacific influence on source and transport of marine aerosols to West Antarctica. Journal of Climate 27, 1343–1363, doi:10.1175/JCLI-D-13-00148.1. pdf copy

2013

Trusel, L. D.*, K. E. Frey, S. B. Das, P. Kuipers Munneke & M. R. van den Broeke (2013), Satellite-based estimates of Antarctic surface meltwater fluxes. Geophysical Research Letters 40, doi:10.1002/2013GL058138 (6 pp.). pdf copy

Denfeld, B. A.**, K. E. Frey, W. V. Sobczak, P. J. Mann & R. M. Holmes (2013), Summer CO2 evasion from streams and rivers in the Kolyma River basin, north-east Siberia. Polar Research 32, 19704, http://dx.doi.org/10.3402/polar.v32i0.19704 (15 pp.). pdf copy

Panday, P. K.*, C. A. Williams, K. E. Frey & M. E. Brown (2013), Application and evaluation of a snowmelt runoff model in the Tamor River basin, eastern Himalaya using a Markov Chain Monte Carlo (MCMC) data assimilation approach. Hydrological Processes, doi:10.1002/hyp.10005 (17 pp.). pdf copy

Beck, R. A., K. M. Hinkel, W. R. Eisner, D. Whiteman, C. D. Arp, R. Machida, C. Cuomo, H. Liu, C. Kim, A. J. Rettig, C. Ivenso, B. Yang, Q. Wu, H. Su, S. Wang, K. E. Frey, J. Lenters & B. Potter (2013), Transition from Mechanical to Thermal Breakup on the Meade River of Arctic Alaska. American Journal of Climate Change 2, 165–172. pdf copy

Criscitiello, A. S., S. B. Das, M. J. Evans, K. E. Frey, H. Conway, I. Joughin, B. Medley & E. J. Steig (2013), Ice sheet record of recent sea-ice behavior and polynya variability in the Amundsen Sea, West Antarctica. Journal of Geophysical Research-Oceans 118, doi:10.1029/2012JC008077 (13 pp.). pdf copy

2012

Frey, K. E., K. R. Arrigo & W. J. Williams (2012), Arctic Ocean Primary Productivity and Nutrient Distributions. In Arctic Report Card 2012, http://www.arctic.noaa.gov/reportcard.

Frey, K. E. & S. E. Moore (2012), [The Arctic] Arctic Ocean Marine Ecosystem Response to Changing Sea Ice and Ocean Conditions. In State of the Climate in 2011, Bulletin of the American Meteorological Society 93 (7), S146–S147.

Grebmeier, J. M., R. S. Pickart, C. J. Ashjian, L. W. Cooper, K. E. Frey, J. He, M. Itoh, M. Kedra, T. Kikuchi, S. E. Moore, J. Nelson & S. Vagle (2012), Ecosystem Observations in Barrow Canyon: A Focus for the International Distributed Biological Observatory. In Arctic Report Card 2012, http://www.arctic.noaa.gov/reportcard.

Tank, S. E., K. E. Frey, R. G. Striegl, P. A. Raymond, R. M. Holmes, J. W. McClelland & B. J. Peterson (2012), Landscape-level controls on dissolved carbon flux from diverse catchments of the circumboreal. Global Biogeochemical Cycles 26, GB0E02, doi:10.1029/2012GB004299 (15 pp.). pdf copy

Arrigo, K. R., D. K. Perovich, R. S. Pickart, Z. W. Brown, G. L. van Dijken, K. E. Lowry, M. M. Mills, M. A. Palmer, W. M. Balch, F. Bahr, N. R. Bates, C. Benitez-Nelson, B. Bowler, E. Brownlee, J. K. Ehn, K. E. Frey, R. Garley, S. R. Laney, L. Lubelczyk, J. Mathis, A. Matsuoka, B. G. Mitchell, G. W. K. Moore, E. Ortega-Retuerta, S. Pal, C. M. Polashenski, R. A. Reynolds, B. Scheiber, H. M. Sosik, M. Stephens & J. H. Swift (2012), Massive phytoplankton blooms under Arctic sea ice. Science 336, 1408, doi:10.1126/science.1215065. pdf copy

Cooper, L. W., M. Janout, K. E. Frey, R. Pirtle-Levy, M. Guarinello, J. M. Grebmeier & J. R. Lovvorn (2012), The relationship between sea ice break-up, water mass variation, chlorophyll biomass, and sedimentation in the northern Bering Sea. Deep Sea Research II 65–70, 141–162. pdf copy

Fu, H., J. Zhao & K. E. Frey (2012), Investigation of polynya dynamics in the northern Bering Sea using greyscale morphology image-processing techniques. International Journal of Remote Sensing 33, 2214–2232, doi:10.1080/01431161.2011.608088. pdf copy

Trusel, L. D.*, K. E. Frey & S. B. Das (2012), Antarctic surface and subsurface melting dynamics: Enhanced perspectives from radar scatterometer data. Journal of Geophysical Research-Earth Surface 117, F02023, doi:10.1029/2011JF002126 (15 pp.). pdf copy

2011

Frey, K. E., K. R. Arrigo & R. R. Gradinger (2011a), Arctic Ocean Primary Productivity. In Arctic Report Card 2011, http://www.arctic.noaa.gov/reportcard.

Frey, K. E., D. K. Perovich & B. Light (2011b), The spatial distribution of solar radiation under a melting Arctic sea ice cover. Geophysical Research Letters 38, L22501, doi:10.1029/2011GL049421 (6 pp.). pdf copy

Panday, P. K.*, K. E. Frey & B. Ghimire* (2011), Detection of the timing and duration of snowmelt in the Hindu Kush-Himalaya using QuikSCAT, 2000–2008. Environmental Research Letters 6, doi:10.1088/1748-9326/6/2/024007 (13 pp.). pdf copy

Griffin, C. G.***, K. E. Frey, J. Rogan & R. M. Holmes (2011), Spatial and interannual variability of dissolved organic matter in the Kolyma River, East Siberia observed using satellite imagery. Journal of Geophysical Research-Biogeosciences 116, G03018, doi:10.1029/2010JG001634 (12 pp.). pdf copy

O’Regan, M., C. J. Williams, K. E. Frey & M. Jakobsson (2011), A synthesis of the long-term paleoclimatic evolution of the Arctic. Oceanography 24, 3, 66–80, http://dx.doi.org/10.5670/oceanog.2011.57. pdf copy

Grebmeier, J. M., J. C. Priscu, R. D’Arrigo, H. W. Ducklow, C. Fleener, K. E. Frey & C. Rosa (2011), National Research Council of the National Academies Report: Frontiers in Understanding Climate Change and Polar Ecosystems. The National Academies Press: Washington D.C., 84 pp. website

  • Nature News Highlight, 12 January 2011 (vol. 469, p. 145)

2010

Grebmeier, J. M., S. E. Moore, J. E. Overland, K. E. Frey & R. R. Gradinger (2010), Biological response to recent Pacific Arctic sea ice retreats. Eos, Transactions, American Geophysical Union 91, 161–162. pdf copy

2009

Frey, K. E. & J. W. McClelland (2009), Impacts of permafrost degradation on arctic river biogeochemistry. Hydrological Processes 23, 169–182. pdf copy

Holmes, R. M., K. E. Frey & S. A. Zimov (2009), A Field Course in the Siberian Arctic: 30 Days, 20 People, 3 Continents, 1 Barge. Eos, Transactions, American Geophysical Union 90, 222–223. pdf copy

2007

Frey, K. E., J. W. McClelland, R. M. Holmes & L. C. Smith (2007), Impacts of climate warming and permafrost thaw on the riverine transport of nitrogen and phosphorus to the Kara Sea. Journal of Geophysical Research-Biogeosciences 112, G04S58, doi:10.1029/2006JG000369 (10 pp.). pdf copy

  • Nature Research Highlight, 8 November 2007 (vol. 450, p. 138)

Frey, K. E., D. I. Siegel & L. C. Smith (2007),  Geochemistry of West Siberian streams and their potential response to permafrost degradation. Water Resources Research 43, W03406, doi:1029/2006WR0049022006 (15 pp.). pdf copy

Frey, K. E. & L. C. Smith (2007), How well do we know northern land cover? Comparison of four global vegetation and wetland products with a new ground-truth database for West Siberia. Global Biogeochemical Cycles 21, GB1016, doi:10.1029/2006GB002706 (15 pp.). pdf copy

2006

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. pdf copy

2005

Frey, K. E. & L. C. Smith (2005), Amplified carbon release from vast West Siberian peatlands by 2100. Geophysical Research Letters 32, L09401, doi:10.1029/2004GL022025 (4 pp.). pdf copy

  • Geophysical Research Letters journal highlight, June 2005
  • Featured by Geotimes, July 2005
  • Featured by Discovery Channel, June 2005

2004

Sheng, Y., L. C. Smith, G. M. MacDonald, K. V. Kremenetski, K. E. Frey, A. A. Velichko, M. Lee, D. W. Beilman & P. Dubinin (2004), A high resolution GIS-based inventory of the West Siberian peat carbon pool. Global Biogeochemical Cycles 18, GB3004, doi:10.1029/2003GB002190 (14 pp.). pdf copy

Smith, L. C., G. M. MacDonald, A. A. Velichko, D. W. Beilman, O. K. Borisova, K. E. Frey, K. V. Kremenetski & Y. Sheng, (2004), Siberian peatlands a net carbon sink and methane source since the early Holocene. Science 303, 353–356. pdf copy

2003

Frey, K. E. & L. C. Smith (2003), Recent temperature and precipitation increases in West Siberia and their association with the Arctic Oscillation. Polar Research 22, 287–300. pdf copy

Frey, K. E., L. C. Smith & D. E. Alsdorf (2003), Controls on Eurasian coastal sea ice formation, melt onset and decay from ERS scatterometry: Regional contrasts and effects of river influx. International Journal of Remote Sensing 24, 5283–5315. pdf copy

Smith, L. C., Y. Sheng, R. R. Forster, K. Steffen, K. E. Frey & D. E. Alsdorf (2003), Melting of small Arctic ice caps observed from ERS scatterometer time series. Geophysical Research Letters 30, 2034, doi:10.1029/2003GL017641 (4 pp.). pdf copy

Kremenetski, K. V., A. A. Velichko, O. K. Borisova, G. M. MacDonald, L. C. Smith, K. E. Frey & L. A. Orlova (2003), Peatlands of the Western Siberian lowlands: Current knowledge on zonation, carbon content and Late Quaternary history. Quaternary Science Reviews 22, 703–723. pdf copy

2002

Sheng, Y., L. C. Smith, K. E. Frey & D. E. Alsdorf (2002), A high temporal resolution data set of ERS scatterometer radar backscatter for research in Arctic and sub-Arctic regions. Polar Record 38, 115–120. pdf copy

2000

Smith, L. C., G. M. MacDonald, K. E. Frey, A. Velichko, K. Kremenetski, O. Borisova, P. Dubinin, & R. R. Forster (2000), U.S.-Russian venture probes Siberian peatlands’ sensitivity to climate. Eos, Transactions, American Geophysical Union 81, 497, 503–504. pdf copy