Open Journal of Modern Hydrology

Volume 4, Issue 1 (January 2014)

ISSN Print: 2163-0461   ISSN Online: 2163-0496

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ICESat-Derived Elevation Changes on the Lena Delta and Laptev Sea, Siberia

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DOI: 10.4236/ojmh.2014.41001    3,424 Downloads   5,781 Views  Citations


We employ elevation data from the Ice, Cloud, and land Elevation Satellite (ICESat) Geoscience Laser Altimeter
System (GLAS) to investigate surface changes across the Lena Delta and sea ice of the coastal Laptev Sea, Siberia
during winters of 2003 through 2008. We compare ICESat GLAS-derived elevation changes on sea ice and
the Bykovskaya and Sardakhskaya Channels with datum-corrected tide gauge height measurements from Danai,
Sannikova and Tiksi stations. We find the coastal sea ice and large inland ice covered channels elevation changes
are in phase with the tide-height changes on a same month-year and datum-controlled basis. Furthermore, we
find elevation change on tundra drained lake basins to be +0.03 ± 0.02 m, on average. These findings indicate
that ICESat GLAS is capable of detection of tide fluxes of ice covered coastal rivers, and with a small error
range, it is suitable for investigations of active-layer and permafrost dynamics associated with seasonal freezing
(heave) and thawing (subsidence) using repeat-location profiles.

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R. Muskett, "ICESat-Derived Elevation Changes on the Lena Delta and Laptev Sea, Siberia," Open Journal of Modern Hydrology, Vol. 4 No. 1, 2014, pp. 1-9. doi: 10.4236/ojmh.2014.41001.

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