Attenuation coefficient of usable solar radiation of the global oceans

Lin, Junfang; Lee, Zhongping; Ondrusek, Michael; Kahru, Mati

doi:10.1002/2015JC011528

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Attenuation coefficient of usable solar radiation of the global oceans

2016
By Lin, Junfang ; Lee, Zhongping ; Ondrusek, Michael ; ...
Source: J. Geophys. Res. Oceans, 121(5), 3228–3236

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Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Lin, Junfang ; Lee, Zhongping ; Ondrusek, Michael ; Kahru, Mati

Lin, Junfang ; Lee, Zhongping ; Ondrusek, Michael ; Kahru, Mati Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research)

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) Less -
Description:

Usable solar radiation (USR) represents spectrally integrated solar energy in the spectral range of 400–560 nm, a domain where photons penetrate the most in oceanic waters and thus contribute to photosynthesis and heating at deeper depths. Through purely numerical simulations, it was found that the diffuse attenuation coefficient of downwelling USR (Kd(USR), m−1) is nearly a constant vertically in the upper water column for clear waters and most turbid waters. Subsequently an empirical model was developed to estimate Kd(USR) based on the diffuse attenuation coefficient at 490 nm (Kd(490), m−1). We here evaluate this relationship using data collected from a wide range of oceanic and coastal environments and found that the relationship between Kd(490) and Kd(USR) developed via the numerical simulation is quite robust. We further refined this relationship to extend the applicability to “clearest” natural waters.
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Attenuation Coefficient Global Oceans Remote Sensing Usable Solar Radiation
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J. Geophys. Res. Oceans, 121(5), 3228–3236
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https://doi.org/10.1002/2015JC011528
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Journal Article
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urn:sha256:2f8989eac69f7960b59cc7971e37636707344d64b87cb8c7ee6dd483be0af9f6
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Attenuation coefficient of usable solar radiation of the global oceans

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