&lt;title&gt;Effects of vertical chlorophyll structure and solar irradiance on remote sensing of the ocean color spectrum&lt;/title&gt;

Arnone, Robert; Gould, Richard; Oriol, R. A.; Terrie, Gregory

doi:10.1117/12.190075

Cited by 3 publications

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“…7,8,15 The changes in color can be representative of the vertical movements, which can vary with different processes and phytoplankton layers. Studies have shown vertical migration of Karenia brevis layers during the day within the first 5-m and peaking at the surface around hour 16:00 local time affects ocean color.…”

Section: Diurnal Ocean Color Productsmentioning

confidence: 99%

“…and migration of swimming organisms, 14 and these vertical layers within the first optical depth can influence the water color as sensed from spaceborne radiometry. 15 Diurnal ocean color changes can also be related to phytoplankton vertical migration. [8][9][10] The diurnal nature of these changes in ocean color provides a unique capability to help characterize these shallow vertical processes from radiometric measurements, provided the temporal element of ocean color response is recognized.…”

Section: Introductionmentioning

confidence: 99%

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Diurnal changes in ocean color sensed in satellite imagery

Arnone

Vandermeulen

Soto

et al. 2017

J. Appl. Remote Sens

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Abstract. Measurements of diurnal changes in ocean color in turbid coastal regions in the Gulf of Mexico were characterized using above water spectral radiometry from a National Aeronautics and Space Administration (aerosol robotic network-WaveCIS CSI-06) site that can provide 8 to 10 observations per day. Satellite capability to detect diurnal changes in ocean color was characterized using hourly overlapping afternoon orbits of the visual infrared imaging radiometer suite (VIIRS) Suomi National Polar-orbiting Partnership ocean color sensor and validated with in situ observations. The monthly cycle of diurnal changes was investigated for different water masses using VIIRS overlaps. Results showed the capability of satellite observations to monitor hourly color changes in coastal regions that can be impacted by vertical movement of optical layers, in response to tides, resuspension, and river plume dispersion. The spatial variability of VIIRS diurnal changes showed the occurrence and displacement of phytoplankton blooming and decaying processes. The diurnal change in ocean color was above 20%, which represents a 30% change in chlorophyll-a. Seasonal changes in diurnal ocean color for different water masses suggest differences in summer and winter responses to surface processes. The diurnal changes observed using satellite ocean color can be used to define the following: surface processes associated with biological activity, vertical changes in optical depth, and advection of water masses. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Section: Diurnal Ocean Color Productsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Diurnal changes in ocean color sensed in satellite imagery

Arnone

Vandermeulen

Soto

et al. 2017

J. Appl. Remote Sens

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Optics, Underwater

Долин

Levin

2003

Digital Encyclopedia of Applied Physics

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Comparison of chlorophyll a concentration detected by remote sensors and other chlorophyll indices in inhomogeneous turbid waters

Sokoletsky

Yacobi

2011

Appl. Opt.

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A new analytical approach for retrieval of the vertically weighted chlorophyll a concentration (Chl(rs)) detected by remote sensors is presented. Model calculations were carried out for the turbid waters of Lake Kinneret, Israel, and showed that Chl(rs) may be replaced by the average chlorophyll a concentration (Chl(p)) within the upper "penetration layer" 0-Z(p). The study also showed a high correlation between Chl(rs) and Chl concentration averaged in the other depth layers, namely, the 0-1 m layer, the euphotic layer (0-Z(e)), and the production layer (0-Z(pr)). Our findings are closely related to models developed for the world ocean, with the exception of periods when the dinoflagellate Peridinium gatunense blooms in the lake. We showed the effect of the pattern of vertical Chl distributions within the penetration layer on the difference between Chl(rs) and other Chl indices was conspicuous when the Chl maximum was in the uppermost 0- m layer of the water column. We assume that the presented approaches are instrumental for further development of optimal, locally adapted algorithms for remote sensing of Chl in any type of natural waters.

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<title>Effects of vertical chlorophyll structure and solar irradiance on remote sensing of the ocean color spectrum</title>

Cited by 3 publications

References 0 publications

Diurnal changes in ocean color sensed in satellite imagery

Diurnal changes in ocean color sensed in satellite imagery

Optics, Underwater

Comparison of chlorophyll a concentration detected by remote sensors and other chlorophyll indices in inhomogeneous turbid waters

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