Davaasuren, Narangerel und Marino, Armando und Boardman, Carl und Alparone, Matteo und Nunziata, Ferdinando und Ackermann, Nicolas und Hajnsek, Irena (2018) Detecting microplastics pollution in world oceans using SAR remote sensing. In: International Geoscience and Remote Sensing Symposium (IGARSS), Seiten 938-941. IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2018-07-22 - 2018-07-27, Valencia, Spain. doi: 10.1109/IGARSS.2018.8517281. ISBN 978-1-5386-7150-4. ISSN 2153-7003.
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Offizielle URL: https://ieeexplore.ieee.org/document/8517281
Kurzfassung
Plastic pollution in world oceans is estimated to have reached 270.000 tones, or 5.25 trillion pieces. This plastic is now ubiquitous, however due to ocean circulation patterns, it accumulates in the ocean gyres, creating garbage patches. This plastic debris is colonized by microorganisms which can create unique surfactants and bio-film ecosystems. Microbial colonization is the first step towards disintegration and degradation of plastic materials: a process that releases metabolic by-products from energy synthesis. These byproducts include the release of short-chain and more complex carbon molecules in the form of surfactants, which we hypothesize will affect the fluid dynamic properties of waves (change in viscosity and surface tension) and make them detectable by the SAR sensor. In this study we used Sentinel-1A and COSMO-SkyMed SAR images in selected sites of the North Pacific and North Atlantic oceans, close to the ocean gyres and away from the coastal interference. Together with SAR processing we conducted contextual image analysis, using ocean geophysical products of the sea surface temperature, surface wind, chlorophyll, wave heights and wave spectrum of the ocean surface. In addition, we started lab experiments under controlled conditions to test the behaviour of microbes colonizing the two most common marine pollutants, polyethylene (PE) and polyethylene terephthalate (PET) microplastics. The analysis of the SAR images had shown that a combination of surface wind speed and Langmuir cells- ocean circulation pattern is the main controlling factor in creating the distinct appearance of the surfactants, sea-slicks and microbial bio-films. The preliminary conclusion of our study is that SAR remote sensing may be able to detect plastic pollution in the open oceans and this method can be extended to other areas.
elib-URL des Eintrags: | https://elib.dlr.de/127426/ | ||||||||||||||||||||||||||||||||
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Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||||||||||||||||||
Titel: | Detecting microplastics pollution in world oceans using SAR remote sensing | ||||||||||||||||||||||||||||||||
Autoren: |
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Datum: | 2018 | ||||||||||||||||||||||||||||||||
Erschienen in: | International Geoscience and Remote Sensing Symposium (IGARSS) | ||||||||||||||||||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||||||||||||||||||
Open Access: | Nein | ||||||||||||||||||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||||||||||||||||||
In ISI Web of Science: | Nein | ||||||||||||||||||||||||||||||||
DOI: | 10.1109/IGARSS.2018.8517281 | ||||||||||||||||||||||||||||||||
Seitenbereich: | Seiten 938-941 | ||||||||||||||||||||||||||||||||
Verlag: | IEEE | ||||||||||||||||||||||||||||||||
Name der Reihe: | IEEE Xplore Digital Library | ||||||||||||||||||||||||||||||||
ISSN: | 2153-7003 | ||||||||||||||||||||||||||||||||
ISBN: | 978-1-5386-7150-4 | ||||||||||||||||||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||||||||||||||||||
Stichwörter: | Microplastics, Surfactants, Sea-slicks, Microbial bio-films, SAR, Sentinel-1A, COSMO-SkyMed, TerraSAR-X | ||||||||||||||||||||||||||||||||
Veranstaltungstitel: | IEEE International Geoscience and Remote Sensing Symposium (IGARSS) | ||||||||||||||||||||||||||||||||
Veranstaltungsort: | Valencia, Spain | ||||||||||||||||||||||||||||||||
Veranstaltungsart: | internationale Konferenz | ||||||||||||||||||||||||||||||||
Veranstaltungsbeginn: | 22 Juli 2018 | ||||||||||||||||||||||||||||||||
Veranstaltungsende: | 27 Juli 2018 | ||||||||||||||||||||||||||||||||
Veranstalter : | IEEE GRSS | ||||||||||||||||||||||||||||||||
HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||||||||||||||
HGF - Programm: | Raumfahrt | ||||||||||||||||||||||||||||||||
HGF - Programmthema: | Erdbeobachtung | ||||||||||||||||||||||||||||||||
DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||||||||||||||||||
DLR - Forschungsgebiet: | R EO - Erdbeobachtung | ||||||||||||||||||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | R - Sicherheitsrelevante Erdbeobachtung | ||||||||||||||||||||||||||||||||
Standort: | Oberpfaffenhofen | ||||||||||||||||||||||||||||||||
Institute & Einrichtungen: | Institut für Hochfrequenztechnik und Radarsysteme > Radarkonzepte | ||||||||||||||||||||||||||||||||
Hinterlegt von: | Radzuweit, Sibylle | ||||||||||||||||||||||||||||||||
Hinterlegt am: | 20 Mai 2019 08:08 | ||||||||||||||||||||||||||||||||
Letzte Änderung: | 24 Apr 2024 20:31 |
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