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Journal of Applied Remote Sensing

Ocean color patterns help to predict depth of optical layers in stratified coastal waters
Author(s): Martín A. Montes-Hugo; Alan Weidemann; Richard W. Gould; Robert Arnone; James H. Churnside; Ewa Jaroz
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Paper Abstract

Subsurface optical layers distributed at two different depths were investigated in Monterrey Bay, East Sound, and the Black Sea based on spatial statistics of remote sensing reflectance (Rrs). The main objective of this study was to evaluate the use of Rrs(443)/Rrs(490) (hereafter R1) skewness (ψ) as an indicator of vertical optical structure in different marine regions. Measurements of inherent optical properties were obtained using a remotely operated towed vehicle and R1 was theoretically derived from optical profiles. Although the broad range of trophic status and water stratification, a common statistical pattern consisting of lower ψR1-a deeper optical layer was found in all study cases. This variation was attributed to optical changes above the opticline and related to horizontal variability of particulates and spectral variations with depth. We recommend more comparisons in stratified coastal waters with different phytoplankton communities before the use of ψR1 can be generalized as a noninvasive optical proxy for screening depth changes on subsurface optical layers.

Paper Details

Date Published: 1 January 2011
PDF: 7 pages
J. Appl. Remote Sens. 5(1) 053548 doi: 10.1117/1.3634055
Published in: Journal of Applied Remote Sensing Volume 5, Issue 1
Show Author Affiliations
Martín A. Montes-Hugo, Mississippi State Univ. (United States)
Alan Weidemann, U.S. Naval Research Lab. (United States)
Richard W. Gould, U.S. Naval Research Lab. (United States)
Robert Arnone, U.S. Naval Research Lab. (United States)
James H. Churnside, National Oceanic and Atmospheric Administration (United States)
Ewa Jaroz, U.S. Naval Research Lab. (United States)

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