Assessing the detection of floating plastic litter with advanced remote sensing technologies in a hydrodynamic test facility

被引：2

作者：

de Fockert, A. ^{[1
]}

Eleveld, M. A. ^{[1
,2
]}

Bakker, W. ^{[1
]}

Felicio, J. M. ^{[3
,4
]}

Costa, T. S. ^{[3
]}

Vala, M. ^{[3
]}

Marques, P. ^{[5
]}

Leonor, N. ^{[3
,6
]}

Moreira, A. ^{[3
]}

Costa, J. R. ^{[3
,7
]}

Caldeirinha, R. F. S. ^{[3
,6
]}

Matos, S. A. ^{[3
,7
]}

Fernandes, C. A. ^{[3
]}

Fonseca, N. ^{[8
]}

Simpson, M. D. ^{[9
]}

Marino, A. ^{[9
]}

Gandini, E. ^{[8
]}

Camps, A. ^{[10
,11
,12
]}

Perez-Portero, A. ^{[10
,11
]}

Gonga, A. ^{[10
,11
]}

Burggraaff, O. ^{[13
,14
]}

Garaba, S. P. ^{[15
]}

Salama, M. S. ^{[16
]}

Xiao, Q. ^{[17
]}

Calvert, R. ^{[2
,18
]}

van den Bremer, T. S. ^{[2
,17
]}

de Maagt, P. ^{[8
]}

机构：

[1] Deltares, NL-2600 MH Delft, Netherlands

[2] Delft Univ Technol, Fac Civil Engn & Geosci, NL-2628 CD Delft, Netherlands

[3] Inst Super Tecn, Inst Telecomunicacoes, Lisbon, Portugal

[4] Ctr Invest Naval, Escola Naval, Almada, Portugal

[5] Inst Super Engn Lisboa, Lisbon, Portugal

[6] Polytech Inst Leiria, Sch Technol & Management, Leiria, Portugal

[7] Inst Univ Lisboa ISCTE IUL, Dept Ciencias & Tecnol Informacao, P-1649026 Lisbon, Portugal

[8] European Space Agcy, ESA ESTEC, Noordwijk, Netherlands

[9] Univ Stirling, Fac Nat Sci, Stirling FK9 4LA, England

[10] Univ Politecn Cataluna, Dept Teoria Senyal & Comunicac, CommSensLab UPC, Barcelona 08034, Spain

[11] CTE UPC, Inst Estudis Espacials Catalunya, Barcelona 08034, Spain

[12] UAE Univ, Al Ain, Abu Dhabi, U Arab Emirates

[13] Leiden Univ, Inst Environm Sci CML, Leiden, Netherlands

[14] Leiden Univ, Inst Environm Sci CML, Leiden, Netherlands

[15] Carl von Ossietzky Univ Oldenburg, Inst Chem & Biol Marine Environm, Marine Sensor Syst Grp, Schleusenstr 1, D-26382 Wilhelmshaven, Germany

[16] Twente Univ, Fac Geoinformat Sci & Earth Observat ITC, Enschede, Netherlands

[17] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England

[18] Univ Edinburgh, Sch Engn, Edinburgh EH9 3FB, Scotland

来源：

SCIENTIFIC REPORTS | 2024年 / 14卷 / 01期

关键词：

REFLECTANCE; SEA;

D O I：

10.1038/s41598-024-74332-5

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Remote sensing technologies have the potential to support monitoring of floating plastic litter in aquatic environments. An experimental campaign was carried out in a large-scale hydrodynamic test facility to explore the detectability of floating plastics in ocean waves, comparing and contrasting different microwave and optical remote sensing technologies. The extensive experiments revealed that detection of plastics was feasible with microwave measurement techniques using X and Ku-bands with VV polarization at a plastic threshold concentration of 1 item/m2 or 1-10 g/m2. The optical measurements further revealed that spectral and polarization properties in the visible and infrared spectrum had diagnostic information unique to the floating plastics. This assessment presents a crucial step towards enabling the detection of aquatic plastics using advanced remote sensing technologies. We demonstrate that remote sensing has the potential for global targeting of plastic litter hotspots, which is needed for supporting effective clean-up efforts and scientific evidence-based policy making.

引用

页数：15

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