Cited by 403Marine and coastal ecosystemsAquatic Ecosystems and Phytoplankton DynamicsWater Quality Monitoring Technologies

Algorithms for remote estimation of chlorophyll-a in coastal and inland waters using red and near infrared bands.

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Gilerson, Alexander A., Gitelson, Anatoly A., Zhou, Jing, Gurlin, Daniela, Moses, Wesley, Ioannou, Ioannis, Ahmed, Samir A.·2010·Optics Express

Abstract

Remote sensing algorithms that use red and NIR bands for the estimation of chlorophyll-a concentration [Chl] can be more effective in inland and coastal waters than algorithms that use blue and green bands. We tested such two-band and three-band red-NIR algorithms using comprehensive synthetic data sets of reflectance spectra and inherent optical properties related to various water parameters and a very consistent in situ data set from several lakes in Nebraska, USA. The two-band algorithms tested with MERIS bands were Rrs(708)/Rrs(665) and Rrs(753)/Rrs(665). The three-band algorithm with MERIS bands was in the form R3=[Rrs(-1)(665)-Rrs(-1)(708)]×Rrs(753). It is shown that the relationships of both Rrs(708)/Rrs(665) and R3 with [Chl] do not depend much on the absorption by CDOM and non-algal particles, or the backscattering properties of water constituents, and can be defined in terms of water absorption coefficients at the respective bands as well as the phytoplankton specific absorption coefficient at 665 nm. The relationship of the latter with [Chl] was established for [Chl]>1 mg/m3 and then further used to develop algorithms which showed a very good match with field data and should not require regional tuning.

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Crossref · 10.1364/oe.18.024109

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  • Algorithms such as the ratio of 704-665 nm and a form of the MCI can be applied to Sentinel-2/MSI data and have the potential for identifying high biomass blooms in Chesapeake Bay.

    “Algorithms, such as the ratio of 704-665 nm (Gilerson et al., 2010) and a form of the MCI from Gower et al. (2008), can be applied to Sentinel-2/MSI data and have the potential for identifying high biomass blooms in Chesapeake Bay.”

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Authors
Gilerson, A. A., Gitelson, A. A., Zhou, J., Gurlin, D., Moses, W., Ioannou, I., & Ahmed, S. A.
Affiliations
  • City College of New York (US)
  • City University of New York (US)
  • University of Nebraska–Lincoln (US)
Venue
Optics Express
Published
2010-11-03
Volume
18
Issue
23
Pages
24109
ISSN
1094-4087 (ISSN-L)
OpenAlex
W2020972217
Cited by
403
References
30
Citations by year
2026: 29 · 2025: 52 · 2024: 28 · 2023: 39 · 2022: 44 · 2021: 28 · 2020: 25 · 2019: 24 · 2018: 24 · 2017: 13 · 2016: 15 · 2015: 17 · 2014: 20 · 2013: 19 · 2012: 17
FWCI
10.62
Type
journal article
Language
en
Open access
Locations
  • Optics Express (publishedVersion)
  • PubMed (publishedVersion)
  • Lincoln (University of Nebraska) (submittedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Physical Sciences › Environmental Science › Water Science and Technology › Water Quality Monitoring Technologies
Keywords
chlorophyll-a estimation, remote sensing algorithms, red and near-infrared bands, MERIS, coastal waters, inland waters, lakes, spectral reflectance, inherent optical properties, CDOM absorption, non-algal particles, phytoplankton absorption coefficient, water absorption coefficient
MeSH terms
Absorption, Chlorophyll A, Algorithms, Chlorophyll, Computer Simulation, Models, Biological, Nebraska, Phytoplankton, Seawater, Water, Spectroscopy, Near-Infrared

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