Light absorption properties of the New York/New Jersey Harbor Estuary

Bin Wang, Lisa Axe, Zoi Heleni Michalopoulou, Richard Riman, Mei Chee Tan, Liping Wei

Research output: Contribution to journalArticle

Abstract

Seasonal and spatial variations of the light absorption coefficient, a(λ), were investigated in the New York/New Jersey Harbor Estuary (i.e., Jamaica Bay, Hudson/Raritan Bay, and Inner Harbor) from August 2008 through June 2009 to characterize the bio-optical characteristics of the estuary. The nonalgal particles (NAP) made a constant light absorption contribution of 18 ± 6% (mean ± standard deviation) (440 nm) over the entire estuary. Covariation among chlorophyll a, total suspended solid, and colored dissolved organic matter (CDOM) was not observed, indicating optical complexity of the estuary. Two optical domains were observed: a phytoplankton-dominated regime (Jamaica Bay) and a CDOM dominated regime (Inner Harbor and Hudson/Raritan Bay). Specific absorption coefficient aph*(λ) decreased with increasing chlorophyll a; this was due to the large cell sizes of diatoms based on package effect analysis. The sources of CDOM and NAP were terrestrial and of in situ origins, respectively. The slopes of CDOM (SCDOM) and NAP (SNAP) of the estuary were reported for the first time. Overall, this study provided the most complete characterization of light absorption for the New York/New Jersey Harbor Estuary, which will provide critical parameters and insights to build/refine remote sensing models for monitoring water quality in the estuary.

Original languageEnglish (US)
Pages (from-to)173-188
Number of pages16
JournalHydrobiologia
Volume766
Issue number1
DOIs
StatePublished - Feb 1 2016

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harbors (waterways)
harbor
estuaries
estuary
dissolved organic matter
Hudson Bay
Jamaica
absorption coefficient
chlorophyll a
chlorophyll
total suspended solids
Bacillariophyceae
remote sensing
spatial variation
diatom
seasonal variation
water quality
phytoplankton
monitoring
particle

Cite this

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title = "Light absorption properties of the New York/New Jersey Harbor Estuary",
abstract = "Seasonal and spatial variations of the light absorption coefficient, a(λ), were investigated in the New York/New Jersey Harbor Estuary (i.e., Jamaica Bay, Hudson/Raritan Bay, and Inner Harbor) from August 2008 through June 2009 to characterize the bio-optical characteristics of the estuary. The nonalgal particles (NAP) made a constant light absorption contribution of 18 ± 6{\%} (mean ± standard deviation) (440 nm) over the entire estuary. Covariation among chlorophyll a, total suspended solid, and colored dissolved organic matter (CDOM) was not observed, indicating optical complexity of the estuary. Two optical domains were observed: a phytoplankton-dominated regime (Jamaica Bay) and a CDOM dominated regime (Inner Harbor and Hudson/Raritan Bay). Specific absorption coefficient aph*(λ) decreased with increasing chlorophyll a; this was due to the large cell sizes of diatoms based on package effect analysis. The sources of CDOM and NAP were terrestrial and of in situ origins, respectively. The slopes of CDOM (SCDOM) and NAP (SNAP) of the estuary were reported for the first time. Overall, this study provided the most complete characterization of light absorption for the New York/New Jersey Harbor Estuary, which will provide critical parameters and insights to build/refine remote sensing models for monitoring water quality in the estuary.",
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Light absorption properties of the New York/New Jersey Harbor Estuary. / Wang, Bin; Axe, Lisa; Michalopoulou, Zoi Heleni; Riman, Richard; Tan, Mei Chee; Wei, Liping.

In: Hydrobiologia, Vol. 766, No. 1, 01.02.2016, p. 173-188.

Research output: Contribution to journalArticle

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