Dataset Open Access

Before-, during-, and after-flood UAV-generated digital elevation models, orthomosaics, and GIS datasets of the distal part of Zackenberg river, northeast Greenland (August 2017)

Tomczyk, Aleksandra Magdalena; Ewertowski, Marek Wojciech


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    "description": "<p>This dataset contains a time series of very high-resolution dataset derived from UAV-generated images. Data covers the distal part of Zackenberg River, northeast Greenland. Images were captured using an unmanned aerial vehicle (UAV) immediately before (5<sup>th</sup> August 2017), during (6<sup>th</sup> August 2017), and after (8<sup>th</sup> August 2017) the glacier lake outburst flood.</p>\n\n<p>UAV-generated images were processed using the structure-from-motion approach in Agisoft Metashape software. Resultant products include digital elevation models, orthomosaics, and hillshade models. The second group of files (GIS_data.zip) contains vector files resultant from geomorphological mapping. &nbsp;</p>\n\n<p>Potential applications of the presented dataset include:</p>\n\n<ol>\n\t<li>&nbsp;assessment and quantification of landscape changes as an immediate result of glacier lake outburst flood;</li>\n\t<li>long-term monitoring of high-Arctic river valley development (in conjunction with other datasets);</li>\n\t<li>establishing a baseline for quantification of geomorphological impacts of future glacier lake outburst floods;</li>\n\t<li>assessment of geohazards related to bank erosion and debris flow development (hazards for research station infrastructure &ndash; station buildings and bridge);</li>\n\t<li>monitoring of permafrost degradation; and</li>\n\t<li>modelling flood impacts on river ecosystem, transport capacity, and channel stability.</li>\n</ol>\n\n<p>This dataset contains photogrammetric products derived from the UAV-generated images (orthomosaics, digital elevation models, hillshade models) and GIS products. Unprocessed images, which were the basis for structure-from-motion processing, can be accessed at: https://doi.org/10.5281/zenodo.4495282 (Tomczyk and Ewertowski, 2021)</p>\n\n<p>Tomczyk A.M., Ewertowski M.W., 2021: Before-, during-, and after-flood UAV-generated images of the distal part of Zackenberg river, northeast Greenland (August 2017), https://doi.org/10.5281/zenodo.4495282</p>", 
    "language": "eng", 
    "title": "Before-, during-, and after-flood UAV-generated digital elevation models, orthomosaics, and GIS datasets of the distal part of Zackenberg river, northeast Greenland (August 2017)", 
    "license": {
      "id": "CC-BY-4.0"
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    "notes": "The research leading to these results has received funding from the European Union's Horizon 2020 project INTERACT, under grant agreement No. 730938, project number: 119 [ArcticFan].", 
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    "keywords": [
      "Unmanned Aerial Vehicle", 
      "UAV", 
      "mapping", 
      "digital elevation model", 
      "flood", 
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      "geomorphology", 
      "orthomosaic", 
      "GIS"
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    "publication_date": "2021-02-03", 
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        "affiliation": "Faculty of Geographical and Geological Sciences, Adam Mickiewicz University, Pozna\u0144, Poland", 
        "name": "Tomczyk, Aleksandra Magdalena"
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        "orcid": "0000-0002-0422-2327", 
        "affiliation": "Faculty of Geographical and Geological Sciences, Adam Mickiewicz University, Pozna\u0144, Poland", 
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