2023
DOI: 10.3390/rs15153768
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Remote Sensing Estimates of Particulate Organic Carbon Sources in the Zhanjiang Bay Using Sentinel-2 Data and Carbon Isotopes

Abstract: The source information of coastal particulate organic carbon (POC) with high spatial and temporal resolution is of great significance for the study of marine carbon cycles and marine biogeochemical processes. Over the past decade, satellite ocean color remote sensing has greatly improved our understanding of the spatiotemporal dynamics of ocean particulate organic carbon concentrations. However, due to the complexity of coastal POC sources, remote sensing methods for coastal POC sources have not yet been estab… Show more

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Cited by 2 publications
(2 citation statements)
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“…where l is the wavelength, L u (l) is the upwelling spectral radiance, L s (l) is the incident spectral sky radiance and r is the proportionality coefficient, with a value of 0.025 (Yu et al, 2023). L p (l) is the radiance from gray reference panel, r p (l) is the known reflectance of the gray panel (Yu et al, 2023).…”
Section: Field Data Collection and Analysismentioning
confidence: 99%
“…where l is the wavelength, L u (l) is the upwelling spectral radiance, L s (l) is the incident spectral sky radiance and r is the proportionality coefficient, with a value of 0.025 (Yu et al, 2023). L p (l) is the radiance from gray reference panel, r p (l) is the known reflectance of the gray panel (Yu et al, 2023).…”
Section: Field Data Collection and Analysismentioning
confidence: 99%
“…However, due to the significant spatial variability, mainly in coastal waters, higher spatial resolution remote sensing sensors such as the Landsat Family, i.e., Thematic Mapper (TM) and Enhanced Thematic Mapper Plus (ETM+), and particularly the Operational Land Image (OLI) temporal series have been recently used to track water quality changes [21][22][23][24][25][26]. Since 2015, multispectral instruments (MSIs) on board the Sentinel-2 satellites have significantly improved spatial and temporal capabilities to study the behavior of biogeochemical parameters in several bays, including San Francisco Bay [27], Kastela Bay [28], the Bengal Bay [29], and Zhanjiang Bay [30]. The high spatial resolution of Sentinel-2 data makes them a valuable complement to traditional sampling strategies.…”
Section: Introductionmentioning
confidence: 99%