Multispectral remote-sensing algorithms for particulate organic carbon (POC): The Gulf of Mexico
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Title
- Multispectral remote-sensing algorithms for particulate organic carbon (POC): The Gulf of Mexico
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Author(s)
- Son, Young Baek; Gardner, Wilford D.; Mishonov, Alexey V.; Richardson, Mary Jo
- KIOST Author(s)
- Son, Young Baek(손영백)
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Alternative Author(s)
- 손영백
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Publication Year
- 2009-01-15
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Abstract
- To greatly increase the spatial and temporal resolution for studying carbon dynamics in the marine environment, we have developed remote-sensing algorithms for particulate organic carbon (POC) by matching in situ POC measurements in the Gulf of Mexico with matching SeaWiFS remote-sensing reflectance. Data on total particulate matter (PM) as well as POC collected during nine cruises in spring, summer and early winter from 1997-2000 as part of the Northeastern Gulf of Mexico (NEGOM) study were used to test algorithms across a range of environments from low %POC coastal waters to high %POC open-ocean waters. Finding that the remote-sensing reflectance clearly exhibited a peak shift from blue-to-green wavelengths with increasing POC concentration, we developed a Maximum Normalized Difference Carbon Index (MNDCI) algorithm which uses the maximum band ratio of all available blue-to-green wavelengths, and provides a very robust estimate over a wide range of POC and PM concentrations (R(2)=0.99, N=58). The algorithm can be extrapolated throughout the region of shipboard sampling for more detailed coverage and analysis. (C) 2008 Elsevier Inc. All rights reserved.
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ISSN
- 0034-4257
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/4342
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DOI
- 10.1016/j.rse.2008.08.011
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Bibliographic Citation
- REMOTE SENSING OF ENVIRONMENT, v.113, no.1, pp.50 - 61, 2009
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Publisher
- ELSEVIER SCIENCE INC
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Subject
- TEXAS-LOUISIANA SHELF; ATLANTIC TIME-SERIES; OCEAN COLOR; MISSISSIPPI RIVER; SATELLITE DATA; IN-SITU; GLOBAL DISTRIBUTION; EQUATORIAL PACIFIC; OPTICAL-PROPERTIES; CONTINENTAL-SHELF
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Keywords
- Particulate organic carbon (POC); Satellite ocean color algorithm; Maximum Normalized Difference Carbon Index (MNDCI); SeaWiFS; The Gulf of Mexico
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Type
- Article
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Language
- English
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Document Type
- Article
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