Using a UAV Thermal Infrared Camera for Monitoring Floating Marine Plastic Litter.
| Title: | Using a UAV Thermal Infrared Camera for Monitoring Floating Marine Plastic Litter. |
|---|---|
| Authors: | Goddijn-Murphy, Lonneke1 (AUTHOR) benjamin.williamson@uhi.ac.uk, Williamson, Benjamin J.1 (AUTHOR) jason.mcilvenny@uhi.ac.uk, McIlvenny, Jason1 (AUTHOR), Corradi, Paolo2 (AUTHOR) paolo.corradi@esa.int |
| Source: | Remote Sensing. Jul2022, Vol. 14 Issue 13, p3179-N.PAG. 25p. |
| Subject Terms: | *MARINE debris, *RADIANCE, *INFRARED cameras, *REMOTE sensing, *WATER depth, *THEMATIC mapper satellite, *LIGHT intensity, *FLY control |
| Abstract: | In recent years, the remote sensing of marine plastic litter has been rapidly evolving and the technology is most advanced in the visible (VIS), near-infrared (NIR), and short-wave infrared (SWIR) wavelengths. It has become clear that sensing using VIS-SWIR bands, based on the surface reflectance of sunlight, would benefit from complementary measurements using different technologies. Thermal infrared (TIR) sensing shows potential as a novel method for monitoring macro plastic litter floating on the water surface, as the physics behind surface-leaving TIR is different. We assessed a thermal radiance model for floating plastic litter using a small UAV-grade FLIR Vue Pro R 640 thermal camera by flying it over controlled floating plastic litter targets during the day and night and in different seasons. Experiments in the laboratory supported the field measurements. We investigated the effects of environmental conditions, such as temperatures, light intensity, the presence of clouds, and biofouling. TIR sensing could complement observations from VIS, NIR, and SWIR in several valuable ways. For example, TIR sensing could be used for monitoring during the night, to detect plastics invisible to VIS-SWIR, to discriminate whitecaps from marine litter, and to detect litter pollution over clear, shallow waters. In this study, we have shown the previously unconfirmed potential of using TIR sensing for monitoring floating plastic litter. [ABSTRACT FROM AUTHOR] |
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| Items | – Name: Title Label: Title Group: Ti Data: Using a UAV Thermal Infrared Camera for Monitoring Floating Marine Plastic Litter. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Goddijn-Murphy%2C+Lonneke%22">Goddijn-Murphy, Lonneke</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> benjamin.williamson@uhi.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Williamson%2C+Benjamin+J%2E%22">Williamson, Benjamin J.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jason.mcilvenny@uhi.ac.uk</i><br /><searchLink fieldCode="AR" term="%22McIlvenny%2C+Jason%22">McIlvenny, Jason</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Corradi%2C+Paolo%22">Corradi, Paolo</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> paolo.corradi@esa.int</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Remote+Sensing%22">Remote Sensing</searchLink>. Jul2022, Vol. 14 Issue 13, p3179-N.PAG. 25p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22MARINE+debris%22">MARINE debris</searchLink><br />*<searchLink fieldCode="DE" term="%22RADIANCE%22">RADIANCE</searchLink><br />*<searchLink fieldCode="DE" term="%22INFRARED+cameras%22">INFRARED cameras</searchLink><br />*<searchLink fieldCode="DE" term="%22REMOTE+sensing%22">REMOTE sensing</searchLink><br />*<searchLink fieldCode="DE" term="%22WATER+depth%22">WATER depth</searchLink><br />*<searchLink fieldCode="DE" term="%22THEMATIC+mapper+satellite%22">THEMATIC mapper satellite</searchLink><br />*<searchLink fieldCode="DE" term="%22LIGHT+intensity%22">LIGHT intensity</searchLink><br />*<searchLink fieldCode="DE" term="%22FLY+control%22">FLY control</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: In recent years, the remote sensing of marine plastic litter has been rapidly evolving and the technology is most advanced in the visible (VIS), near-infrared (NIR), and short-wave infrared (SWIR) wavelengths. It has become clear that sensing using VIS-SWIR bands, based on the surface reflectance of sunlight, would benefit from complementary measurements using different technologies. Thermal infrared (TIR) sensing shows potential as a novel method for monitoring macro plastic litter floating on the water surface, as the physics behind surface-leaving TIR is different. We assessed a thermal radiance model for floating plastic litter using a small UAV-grade FLIR Vue Pro R 640 thermal camera by flying it over controlled floating plastic litter targets during the day and night and in different seasons. Experiments in the laboratory supported the field measurements. We investigated the effects of environmental conditions, such as temperatures, light intensity, the presence of clouds, and biofouling. TIR sensing could complement observations from VIS, NIR, and SWIR in several valuable ways. For example, TIR sensing could be used for monitoring during the night, to detect plastics invisible to VIS-SWIR, to discriminate whitecaps from marine litter, and to detect litter pollution over clear, shallow waters. In this study, we have shown the previously unconfirmed potential of using TIR sensing for monitoring floating plastic litter. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Remote Sensing is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/rs14133179 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 25 StartPage: 3179 Subjects: – SubjectFull: MARINE debris Type: general – SubjectFull: RADIANCE Type: general – SubjectFull: INFRARED cameras Type: general – SubjectFull: REMOTE sensing Type: general – SubjectFull: WATER depth Type: general – SubjectFull: THEMATIC mapper satellite Type: general – SubjectFull: LIGHT intensity Type: general – SubjectFull: FLY control Type: general Titles: – TitleFull: Using a UAV Thermal Infrared Camera for Monitoring Floating Marine Plastic Litter. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Goddijn-Murphy, Lonneke – PersonEntity: Name: NameFull: Williamson, Benjamin J. – PersonEntity: Name: NameFull: McIlvenny, Jason – PersonEntity: Name: NameFull: Corradi, Paolo IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2022 Type: published Y: 2022 Identifiers: – Type: issn-print Value: 20724292 Numbering: – Type: volume Value: 14 – Type: issue Value: 13 Titles: – TitleFull: Remote Sensing Type: main |
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