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Regmi, P., G. Grosse, M.C. Jones, B.M. Jones, and K.M.W. Anthony. 2012. Characterizing drained thermokarst lake basins on the Seward Peninsula, Alaska with TerraSAR-X backscatter and Landsat-based NDVI. Remote Sensing, 4, 3741-3765; doi:10.3390/rs4123741

Arp, C.D., Whitman, M., Jones, B.M., Kemnitz, R., Urban, F., Grosse, G. 2012. Drainage network structure and hydrologic behavior of three lake-rich watersheds on the Arctic Coastal Plain, Alaska. Arctic, Antarctic, and Alpine Research, 44, 385-398, doi:10.1657/1938-4246-44.4.385.

Arp, C. D., B. M. Jones, Z. Lu, and M. S. Whitman. 2012, Shifting balance of thermokarst lake ice regimes across the Arctic Coastal Plain of northern Alaska, Geophys. Res. Lett., 39, L16503, doi:10.1029/2012GL052518.

Jones M. C., G. Grosse, B. M. Jones, and K. M. Walter Anthony. 2012. Peat accumulation in drained thermokarst lake basins in continuous, ice-rich permafrost, northern Seward Peninsula, Alaska. Journal of Geophysical Research-Biogeosciences, VOL. 117, G00M07, 16 PP., 2012 doi:10.1029/2011JG001766.

Arp, C. D., B. M. Jones, F. E. Urban, G. Grosse. 2011. Hydrogeomorphic processes of thermokarst lakes with grounded-ice and floating-ice regimes on the Arctic coastal plain, Alaska, Hydrological Processes, 25, 2422-2438, DOI: 10.1002/hyp.8019.

Jones, B. M., G. Grosse, C. D. Arp, M. C. Jones, K. M. Walter Anthony, and V. E. Romanovsky. 2011. Modern thermokarst lake dynamics in the continuous permafrost zone, northern Seward Peninsula, Alaska, J. Geophys. Res., 116:G00M03, DOI:10.1029/2011JG001666.

Circumarctic Lakes Observation Network (CALON)

Circumarctic Lakes Observation Network (CALON) study lakes
Circumarctic Lakes Observation Network (CALON) study lakes
This NSF-supported project is a collaborative effort among the University of Cincinnati, the University of Alaska Fairbanks, the University of Nebraska-Lincoln, Clark University and the Alaska Science Center. The objectives of this research are to: (1) Expand on existing lake monitoring sites in northern Alaska by developing a network of regionally representative lakes along environmental gradients from which we will collect baseline data to assess current physical, chemical, and biological lake characteristics; (2) implement a multiscale (hierarchical) lake instrumentation scheme such that basic data is collected from 69 lakes, while a subset of lakes are more intensively instrumented; (3) Provide regional scaling and extrapolation of key metrics through calibration and validation of airborne and satellite imagery with ground measurements; and (4) Develop and implement standardized protocols to enable inter-site comparison and to prepare for expansion towards a pan-Arctic network.

About one-quarter of the lakes on earth are located in the Arctic, with their origin and distribution largely controlled by the presence of permafrost, glacial history, and the regional water balance. About half of the Arctic Coastal Plain (ACP) of Alaska is covered with lakes and drained lake basins, making these features the dominant landscape elements and a crucial component of the Arctic system. Lakes are intimately tied to the regional climate through their energy and water budgets and profoundly affect regional permafrost character. Arctic lakes release large quantities of carbon dioxide and methane to the atmosphere and absorb up to 35% more solar energy than the surrounding tundra during summer. Atmospheric effects on Arctic lakes, such as precipitation, temperature, radiation, wind, and humidity impact lake levels, water temperature, evaporation, mixing, ice cover, and lake productivity. Lakes play a vital role in the Arctic ecology, and there is concern that biological communities and lake productivity are vulnerable to the effects of climate warming. Water quality degradation and changes in lake hydrology are additional concerns for indigenous communities, since lake systems play a crucial role in I˝upiaq subsistence, culture, and heritage. This project will allow us to make spatial and temporal comparisons across Arctic Alaska to determine the impact of warmer temperatures, changing cloud cover and precipitation patterns, permafrost degradation, and direct human impacts on lakes.

Principal Investigator: Benjamin Jones,, Alaska Science Center, Anchorage, AK

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