File:Radaraufnahme des F-SAR Systems über dem Pongara-Nationalpark südlich von Libreville, Gabun (25112393922).jpeg
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Deutsch: Im Pongara-Nationalpark gibt es noch große Flächen unberührten Mangrovenwalds, der weiter im Landesinneren an dichten Regenwald angrenzt. Die Farbgestaltung spiegelt unterschiedliche Arten der Rückstreuung des Radarsignals wider. Werden die Signale im L-Band (23cm Wellenlänge) vorwiegend von vegetationsfreien Oberflächen (z.B. Wasser, freie Felder) reflektiert, erscheinen sie im Bild blau. Eine überwiegende zweifache Rückstreuung (z.B. an den vertikalen Mangrovenstämmen und der Wasseroberfläche) wird rot angezeigt. Und eine vorherrschend ungerichtete Rückstreuung, insbesondere aus dem Volumen der Baumkrone des Regenwalds erscheint grün.
Wissenschaftler des Deutschen Zentrums für Luft- und Raumfahrt (DLR) fliegen vom 01. bis zum 29. Februar im zentralafrikanischen Gabun zahlreiche Messflüge, um den Zustand des Regenwaldes zu bestimmen. Dabei setzen sie hochmoderne Radartechnologie ein. Die gewonnenen Daten helfen dabei, Klimamodelle zu verbessern und die Erderwärmung besser zu verstehen. Die Kampagne wird in Kooperation mit der europäischen (ESA), der französischen (ONERA), der gabunischen (AGEOS) und dem amerikanischen Raumfahrtzentrum (NASA) durchgeführt. |
| Date | Taken on 24 February 2016, 09:59:39 |
| Source | Radaraufnahme des F-SAR Systems über dem Pongara-Nationalpark südlich von Libreville, Gabun |
| Author | DLR_de |
| Flickr set | Regenwald unterm Radar |
| Flickr tags | radartechnik; ageos; zentralafrika; libreville; klima; afrisar; dlr; climate; regenwald; turboprob; fsar; hochfrequenz; outdoor; biomasse; nasa; esa; gabun; luftfahrt; do228; rainforest; klimaforschung; onera; aerospace; deutscheszentrumfürluftundraumfahrt |
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
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- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by DLR_de at https://flickr.com/photos/48213136@N06/25112393922. It was reviewed on 29 November 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
| This media has been released under a free license by the Deutsches Zentrum für Luft- und Raumfahrt (DLR). Their website states: "Where expressly stated, DLR images and videos are covered by a Creative Commons Attribution 3.0 Germany (CC BY 3.0) licence. This licence grants permission to reproduce or distribute the work, to make the work and/or its contents publically available, to alter or edit the work and/or its contents and to make commercial use of the work, provided that you explicitly mention DLR as its source in a clearly legible format. Examples: 'Photo: DLR, CC-BY 3.0', 'Images: DLR, CC-BY 3.0', 'Video: DLR, CC-BY 3.0'." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
This file is licensed under the Creative Commons Attribution 3.0 Germany license.
Attribution: DLR, CC-BY 3.0
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:38, 29 November 2022 | | 7,040 × 2,366 (16.35 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://live.staticflickr.com/1639/25112393922_6b0388ee20_o.jpg via Commons:Spacemedia |
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