Western Alaska Lake Database: 2000s

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 c...

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Bibliographic Details
Main Authors: Lindgren, Prajna R, Grosse, Guido, Romanovsky, Vladimir E
Format: Dataset
Language:English
Published: PANGAEA - Data Publisher for Earth & Environmental Science 2015
Subjects:
Remote sensing Landsat
Permafrost Research Periglacial Dynamics @ AWI AWI_PerDyn
Baldwin
Yukon
Kuskokwim
permafrost
Seward Peninsula
Alaska
Online Access:https://dx.doi.org/10.1594/pangaea.847673
https://doi.pangaea.de/10.1594/PANGAEA.847673
Description
Summary: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 58000 Lakes were mapped from Landsat TM and ETM+ imagery acquired between 2002 and 2009 using Object-Based Image Analysis (OBIA) techniques with an classification accuracy of 96%. The spatial image resolution of Landsat TM and ETM+ is 30 m. Permafrost characteristics and surficial geology associated with lake polygons were determined from the Alaska permafrost map (Jorgenson et al. 2008).

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