Jenrich, Maren; Nitze, Ingmar; Laboor, Sebastian; Angelopoulos, Michael; Grosse, Guido; Strauss, Jens (2023): Spatial extent of thermokarst lagoons along pan-Arctic coasts - an upscaling approach [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.948267
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Abstract:
Along the ice rich pan-Arctic permafrost coasts thermokarst lagoons are a common landscape feature. These lagoons form when thermokarst lakes are inundated permanently or intermittently by the sea. This is the first estimation of the area of pan-Arctic thermokarst lagoons based on the mapping of 79 lagoons in 5 representative arctic regions: Mackenzie Delta (CA), Theshekpuk Lake coast (USA), Baldwin Peninsula (USA), Tiksi coast (RU), Lena Delta (RU). The extent of each of the lagoons was determined using the Global Surface Water dataset which is based on Landsat-5, -7, and -8 satellite images from 1984 to 2018 at 30m resolution (Pekel et al., 2016). Water bodies were defined by a water occurrence threshold of >75% over this time period. The raster dataset was vectorized and smaller geometric errors, which occurred during vectorization, were solved with the Fix Geometry function in QGIS3.6. The lagoon polygons were selected manually and these water bodies were split from the ocean by using the function “split by line”. The calculation of the polygon area is based on the re-projection in EPSG:32608, EPSG:26905, EPSG:32604, EPSG:32652 for Mackenzie Delta, Teshekpuk Lake coast, Baldwin Peninsula, Tiksi and Lena Delta coast respectively. The lagoon selection is based on the published dataset https://doi.org/10.1594/PANGAEA.934158. The dataset consists of a polygon shape file for the 79 extracted thermokarst lagoons, a point shape file with coordinates for all lagoons and a data sheet.
Supplement to:
Yang, Sizhong; Anthony, Sara E; Jenrich, Maren; in 't Zandt, Michiel H; Strauss, Jens; Overduin, Pier Paul; Grosse, Guido; Angelopoulos, Michael; Biskaborn, Boris K; Grigoriev, Mikhail N; Wagner, Dirk; Knoblauch, Christian; Jaeschke, Andrea; Rethemeyer, Janet; Kallmeyer, Jens; Liebner, Susanne (2023): Microbial methane cycling in sediments of Arctic thermokarst lagoons. Global Change Biology, 29(10), 2714-2731, https://doi.org/10.1111/gcb.16649
Related to:
Jenrich, Maren; Angelopoulos, Michael; Overduin, Pier Paul; Nitze, Ingmar; Günther, Frank; Strauss, Jens; Westermann, Sebastian; Schirrmeister, Lutz; Kholodov, Alexander L; Krautblatter, Michael; Grigoriev, Mikhail N; Grosse, Guido (2021): Distribution of lagoons along the Arctic coast from the Taimyr Peninsula in Russia to the Tuktoyaktuk Peninsula in Canada. PANGAEA, https://doi.org/10.1594/PANGAEA.934158
Pekel, Jean-Francois; Cottam, Andrew; Gorelick, Noel; Belward, Alan S (2016): High-resolution mapping of global surface water and its long-term changes. Nature, 540(7633), 418-422, https://doi.org/10.1038/nature20584
Project(s):
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0764B: Verbundprojekt: WTZ Russland - KoPf; Kohlenstoffumsatz und Treibhausgasfreisetzung aus tauendem Permafrost Nordostsibiriens unter sich ändernden Umwelt- und Klimabedingungen
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0764F: Verbundprojekt: WTZ Russland - KoPf; Kohlenstoffumsatz und Treibhausgasfreisetzung aus tauendem Permafrost Nordostsibiriens unter sich ändernden Umwelt- und Klimabedingungen
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0806A: WTZ Großbritannien: CACOON - Veränderung des arktischen Kohlenstoffkreislaufs im küstennahen Ozean
Natural Environment Research Council (NERC), grant/award no. NE/R012806/1: Changing Arctic Carbon cycle in the cOastal Ocean Near-shore
Seventh Framework Programme (FP7), grant/award no. 338335: Rapid Permafrost Thaw in a Warming Arctic and Impacts on the Soil Organic Carbon Pool
Coverage:
Median Latitude: 71.438500 * Median Longitude: 175.905500 * South-bound Latitude: 69.469000 * West-bound Longitude: 126.304000 * North-bound Latitude: 73.408000 * East-bound Longitude: -134.493000
Date/Time Start: 1984-01-01T00:00:00 * Date/Time End: 2018-12-31T00:00:00
Event(s):
Arctic_lagoons_1984-2018 * Latitude Start: 73.408000 * Longitude Start: 126.304000 * Latitude End: 69.469000 * Longitude End: -134.493000 * Date/Time Start: 1984-01-01T00:00:00 * Date/Time End: 2018-12-31T00:00:00 * Method/Device: Satellite imagery (SATI) * Comment: Landsat-5, -7, and -8 satellite images from 1984 to 2018 at 30m resolution (Pekel et al., 2016)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | File content | Content | Jenrich, Maren | |||
| 2 | Binary Object | Binary | Jenrich, Maren | |||
| 3 | Binary Object (File Size) | Binary (Size) | Bytes | Jenrich, Maren |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Basic curation (CurationLevelB)
Size:
6 data points