Volume 1, Number 1, November 2016
Investigation and Quantification of Water Track Networks in Boreal Regions of Alaska
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7-23, Pub. Date:December 29, 2016
Mendbayar Uyanga, Misra Debasmita, Gupta Tushar, Ghosh Tathagata
Department of Mining and Geological Engineering, University of Alaska Fairbanks, Fairbanks, AK, United States; Department of Mining and Geological Engineering, University of Alaska Fairbanks, Fairbanks, AK, United States; Department of Mining and Geological Engineering, University of Alaska Fairbanks, Fairbanks, AK, United States; Department of Mining and Geological Engineering, University of Alaska Fairbanks, Fairbanks, AK, United States
Water tracks are the dominant drainage pathways that route water through the soil over permafrost in polar environments. Despite their important role in polar ecosystems, water tracks remain relatively unexplored, and the existing studies have been largely confined to tundra areas devoid of vegetation. This study aims to initiate the investigation of water tracks in thickly vegetated subarctic borealis, with objectives to: 1) characterize different types of water tracks in the subarctic; 2) develop methods for mapping water track distribution in boreal areas; 3) perform preliminary analysis of the geotechnical impacts of water tracks on engineered infrastructure. Two highly-varying water tracks were characterized, and led to different but quite promising insights. Several techniques to map water tracks in the subarctic were attempted. Preliminary analysis of geophysical data correlation was performed to determine geophysical signature of water tracks and to assess their geotechnical implications.
Water tracks, drainage network, groundwater, hydraulic properties, remote sensing, infrastructure, Alaska, boreal region, subarctic, subsidence, sinkhole, climate change, impacts of climate change.
-  J. P. McNamara, D. L. Kane, and L. D. Hinzman, “An analysis of an Arctic channel network using a digital elevation model,” Geomorphology, vol. 29, no. 3-4, pp. 339–353, 1999.
-  J. C. Rowland, et al., “Arctic Landscapes in Transition: Responses to Thawing Permafrost”, Eos, Transaction, American Geophysical Union, vol. 91, no. 26, pp. 229–230, doi. 10.1029/2010EO260001, 2010.
-  S. J. Levy, G. A. Fountain, N. M. Gooseff, A. K. Welch, and W.B. Lyons, ”Water tracks and permafrost in Taylor Valley, Antarctica: Extensive and shallow groundwater connectivity in a cold desert ecosystem,” GSA Bulletin, vol. 123, no. 11/12, pp. 2295–2311, 2011.
-  L. D. Hinzman, et al., “Evidence and implications of recent climate change in northern Alaska and other Arctic regions,” Climate Change, vol. 72, no. 3, pp. 251–298, 2005.
-  S. V. Kokelj and M. T. Jorgenson, “Advances in Thermokarst Research,” Permafrost and Periglacial Processes
-  E. Trochim, personal communication, 2014.
-  E. W. Schnabel, R. Fortier, M. Kanevskiy, J. Munk, Y. Shur, and E. Trochim, “Geophysical Applications For Arctic/Subarctic Transportation,Planning,” Final Report, Alaska University Transportation Center (AUTC), [EXCERPT], 2014.