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Airborne LiDAR and stereo-photogrammetric characterization of permafrost landscapes and thaw subsidence

Nitze, Ingmar and Grosse, Guido and Boike, Julia and Langer, Moritz and Lantuit, Hugues and Lange, Stefan and Grünberg, Inge and Helm, Veit and Sachs, Thorsten and Hartmann, Jörg and Kumar, Ankit and Brauchle, Jörg and Bucher, Tilman and Gessner, Matthias and Kohnert, Katrin (2019) Airborne LiDAR and stereo-photogrammetric characterization of permafrost landscapes and thaw subsidence. 4th Helmholtz Data Science Symposium, 20 - 21 Jun 2019, Geesthacht, Germany.

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Rapid climate change in the northern high latitudes has a strong impact on permafrost stability, apparent as coastal erosion, subsidence, or lake dynamics with potentially severe consequences for local communities and ecology. In a rapidly warming Arctic, the monitoring of these processes is essential to understand and predict permafrost dynamics over the upcoming decades. These landscape dynamics are highly diverse, localized, but widely distributed and require datasets with very high spatial resolution, which are barely achieved by satellite data alone. Repeat observations over several years allow for unprecedented insights into highly critical landscape dynamics and the potential integration with and validation of more coarse resolution satellite data. AWIs research aircraft (Polar-5 and Polar-6) were equipped with airborne LiDAR (full-waveform, multi-echo) as well with experimental modular sensors such as the DLR-developed multi-spectral optical Modular Airborne Camera System (MACS) with a spatial resolution of few cm, stereo capabilities and a very broad radiometric range. The incoming data stream of acquired laser return point cloud data as well as hundreds of thousands of high-resolution images for individual campaigns poses new challenges of handling and processing large data volumes. Here we present an overview about past and upcoming flight campaigns in Alaska and northwestern Canada. Furthermore, we will show applications of the acquired datasets, such as assessments of subsidence, coastal erosion or infrastructure development.

Item URL in elib:https://elib.dlr.de/132877/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Präsentation unter https://epic.awi.de/id/eprint/49776/1/INitze_4thDataScienceSymposium_2019_Geesthacht.pdf
Title:Airborne LiDAR and stereo-photogrammetric characterization of permafrost landscapes and thaw subsidence
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Nitze, IngmarAlfred-Wegener-Institut, PotsdamAlfred Wegener Insitut (AWI)https://orcid.org/0000-0002-1165-6852
Grosse, GuidoAlfred-Wegener-Institut, Potsdamhttps://orcid.org/0000-0001-5895-2141
Boike, JuliaAlfred-Wegener-Institut, Potsdamhttps://orcid.org/0000-0002-5875-2112
Langer, MoritzAlfred-Wegener-Institut, Potsdamhttps://orcid.org/0000-0002-2704-3655
Lantuit, HuguesAlfred-Wegener-Institut, Potsdamhttps://orcid.org/0000-0003-1497-6760
Lange, StefanAlfred-Wegener-Institut, Potsdamhttps://orcid.org/0000-0002-9398-1041
Grünberg, IngeAlfred-Wegener-Institut, Potsdamhttps://orcid.org/0000-0002-5748-8102
Helm, VeitAlfred-Wegener-Institut, Bremerhaven, Germanyhttps://orcid.org/0000-0001-7788-9328
Sachs, ThorstenGFZ PotsdamUNSPECIFIED
Hartmann, JörgAlfred-Wegener-Institut, Bremerhaven, GermanyUNSPECIFIED
Kumar, AnkitAlfred-Wegener-Institut, PotsdamUNSPECIFIED
Brauchle, Jörgjoerg.brauchle (at) dlr.deUNSPECIFIED
Bucher, TilmanTilman.Bucher (at) dlr.deUNSPECIFIED
Gessner, Matthiasmatthias.gessner (at) dlr.deUNSPECIFIED
Kohnert, KatrinAlfred-Wegener-Institut, PotsdamUNSPECIFIED
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Permafrost, Remote Sensing, Airborne, MACS, Camera System, Polar
Event Title:4th Helmholtz Data Science Symposium
Event Location:Geesthacht, Germany
Event Type:Workshop
Event Dates:20 - 21 Jun 2019
Organizer:Helmholtz Zentrum Geesthacht
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Optische Technologien und Anwendungen
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Security Research and Applications
Deposited By: Bucher, Tilman
Deposited On:17 Dec 2019 08:48
Last Modified:17 Dec 2019 08:48

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