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Identification of suspended sediment in coastal waters using airborne thematic mapper data

Identification of suspended sediment in coastal waters using airborne thematic mapper data
Identification of suspended sediment in coastal waters using airborne thematic mapper data
Remotely sensed data were collected using an airborne Daedalus thematic mapper, flown at 4000 m, over Swansea Bay, northern Bristol Channel, U.K. The area is one of high tidal range and wave activity. Fifty-eight surface-water/sediment samples were collected from three vessels as concurrent ‘sea-truth’ data. Samples were analysed for suspended sediment concentration (SSC).

Regression equations are developed for SSC using data in the 450-520 nm (channel 2), 520-600 nm (channel 3), 605-625 nm (channel 4) and 630-690 nm (channel 5) spectral bands.

Localized flow patterns are visible in the imagery and are identified using suspended material as the passive tracer. Such patterns cannot be identified in temporally averaged data collected from research vessels.

It is concluded that airborne remote sensing can contribute to the understanding of the movement of water and sediments on continental shelves, when used in association with conventional oceanographic sampling techniques.
0143-1161
635-657
Collins, Michael
3b70278b-0004-45e0-b3c9-0debdf0a9351
Pattiaratchi, Charttha
daa68c66-fe25-4155-a51a-918c91b6cd11
Collins, Michael
3b70278b-0004-45e0-b3c9-0debdf0a9351
Pattiaratchi, Charttha
daa68c66-fe25-4155-a51a-918c91b6cd11

Collins, Michael and Pattiaratchi, Charttha (1984) Identification of suspended sediment in coastal waters using airborne thematic mapper data. International Journal of Remote Sensing, 5 (4), 635-657. (doi:10.1080/01431168408948848).

Record type: Article

Abstract

Remotely sensed data were collected using an airborne Daedalus thematic mapper, flown at 4000 m, over Swansea Bay, northern Bristol Channel, U.K. The area is one of high tidal range and wave activity. Fifty-eight surface-water/sediment samples were collected from three vessels as concurrent ‘sea-truth’ data. Samples were analysed for suspended sediment concentration (SSC).

Regression equations are developed for SSC using data in the 450-520 nm (channel 2), 520-600 nm (channel 3), 605-625 nm (channel 4) and 630-690 nm (channel 5) spectral bands.

Localized flow patterns are visible in the imagery and are identified using suspended material as the passive tracer. Such patterns cannot be identified in temporally averaged data collected from research vessels.

It is concluded that airborne remote sensing can contribute to the understanding of the movement of water and sediments on continental shelves, when used in association with conventional oceanographic sampling techniques.

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Published date: 1984

Identifiers

Local EPrints ID: 193921
URI: http://eprints.soton.ac.uk/id/eprint/193921
ISSN: 0143-1161
PURE UUID: ec69201b-33b1-4fd8-b089-76dbb091405b

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Date deposited: 21 Jul 2011 15:13
Last modified: 08 Nov 2021 19:26

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Contributors

Author: Michael Collins
Author: Charttha Pattiaratchi

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