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- W4250217472 abstract "<strong class=journal-contentHeaderColor>Abstract.</strong> The polar regions experience widespread transformations, such that efficient methods are needed to monitor and understand Arctic landscape changes in response to climate warming and low-frequency, high-magnitude hydrological and geomorphological events. One example of such events, capable of causing serious landscape changes, is glacier lake outburst floods. On 6 August 2017, a flood event related to glacial lake outburst affected the Zackenberg River (NE Greenland). Here, we provided a very-high-resolution dataset representing unique time series of data captured immediately before (5 August 2017), during (6 August 2017), and after (8 August 2017) the flood. Our dataset covers a 2.1âkm long distal section of the Zackenberg River. The available files comprise (1) unprocessed images captured using an unmanned aerial vehicle (UAV; <a href=https://doi.org/10.5281/zenodo.4495282>https://doi.org/10.5281/zenodo.4495282</a>, Tomczyk and Ewertowski, 2021a) and (2) results of structure-from-motion (SfM) processing (orthomosaics, digital elevation models, and hillshade models in a raster format), uncertainty assessments (precision maps), and effects of geomorphological mapping in vector formats (<a href=https://doi.org/10.5281/zenodo.4498296>https://doi.org/10.5281/zenodo.4498296</a>, Tomczyk and Ewertowski, 2021b). Potential applications of the presented dataset include (1) assessment and quantification of landscape changes as an immediate result of a glacier lake outburst flood; (2) long-term monitoring of high-Arctic river valley development (in conjunction with other datasets); (3) establishing a baseline for quantification of geomorphological impacts of future glacier lake outburst floods; (4) assessment of geohazards related to bank erosion and debris flow development (hazards for research station infrastructure â station buildings and bridge); (5) monitoring of permafrost degradation; and (6) modelling flood impacts on river ecosystem, transport capacity, and channel stability." @default.
- W4250217472 created "2022-05-12" @default.
- W4250217472 creator A5046229202 @default.
- W4250217472 date "2021-07-14" @default.
- W4250217472 modified "2023-10-14" @default.
- W4250217472 title "General response" @default.
- W4250217472 doi "https://doi.org/10.5194/essd-2021-48-ac6" @default.
- W4250217472 hasPublicationYear "2021" @default.
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