Lindgren, Prajna R; Grosse, Guido; Romanovsky, Vladimir E (2015): Western Alaska Lake Database: 1970s [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.847670, In: Lindgren, PR et al. (2015): Western Alaska Lake Database [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.847703
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Related to:
Grosse, Guido; Lindgren, Prajna R; Romanovsky, Vladimir E (2015): Broad-scale lake and permafrost dynamics in the Western Alaska LCC region. Western Alaska Landscape Conservation Cooperative Project WA2011_02, Final Report
Lindgren, Prajna R; Grosse, Guido; Romanovsky, Vladimir E (in review): Landsat-based lake distribution and changes in western Alaska permafrost regions between 1970s and 2010s. Journal of Hydrology
Further details:
Project(s):
Permafrost Research (Periglacial Dynamics) @ AWI (AWI_PerDyn)
Coverage:
Median Latitude: 63.375000 * Median Longitude: -163.075000 * South-bound Latitude: 59.750000 * West-bound Longitude: -168.150000 * North-bound Latitude: 67.000000 * East-bound Longitude: -158.000000
Event(s):
Comment:
This vector data layer covers 6 major lake districts (Baldwin Peninsula, Kobuk Delta, Selawik Lowland, Northern Seward Peninsula, Central Seward Peninsula, and Yukon-Kuskokwim Delta) in the northern and central sub-regions of the Western Alaska Landscape Conservation Cooperative (WALCC) region and consists of polygons of lakes with areas equal or greater than 1.0 ha. More than 81000 Lakes were mapped from Landsat MSS imagery acquired between 1972 and 1975 using Object-Based Image Analysis (OBIA) techniques with an classification accuracy of 96%. The spatial image resolution of Landsat MSS is 60 m. Permafrost characteristics and surficial geology associated with lake polygons were determined from the Alaska permafrost map (Jorgenson et al. 2008).
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
18.2 MBytes