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Current and emerging techniques for oceanic and lake chlorophyll-a estimation and monitoring: a global perspective.

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Title: Current and emerging techniques for oceanic and lake chlorophyll-a estimation and monitoring: a global perspective.
Authors: Jena, Ratiranjan1,2 (AUTHOR) rjena@sharjah.ac.ae, Shanableh, Abdallah1,3,4 (AUTHOR) shanableh@sharjah.ac.ae, Al-Ruzouq, Rami1,3 (AUTHOR) ralruzouq@sharjah.ac.ae, Gibril, Mohammed Barakat A.1 (AUTHOR) mbgibril@sharjah.ac.ae, Hammouri, Nezar Atalla1 (AUTHOR) nhammouri@sharjah.ac.ae, Farweh, Fatema Habib3 (AUTHOR) ffarweh@sharjah.ac.ae, Shabib, Ahmad Ghassan3 (AUTHOR) ashabib@sharjah.ac.ae, Ghorbonzadeh, Omid5 (AUTHOR) omid.ghorbanzadeh@boku.ac.at
Source: Environmental Monitoring & Assessment. Mar2026, Vol. 198 Issue 3, p1-34. 34p.
Subject Terms: *Chlorophyll, *Water quality monitoring, *Oceanographic observations, *Phytoplankton, *Climate change, *Remote sensing, *Spatiotemporal processes
Abstract: Chlorophyll-a (Chl-a) concentration measures the green pigment in phytoplankton, which affects global ecosystems and is influenced by climate change and human activities. Monitoring chlorophyll-a (Chl-a) in oceans and lakes is challenging due to factors such as assessment techniques and prediction accuracy. This paper conducts a meta-analysis of recent techniques employed in monitoring, estimating, modeling, and predicting oceanic/lake Chl-a concentrations, considering spatio-temporal perspectives and utilizing diverse datasets. The analysis was conducted at two spatial scales (local and global) to evaluate how recent methods have advanced the understanding of Chl-a concentration assessment (CCA). According to the analysis, approximately 45% of Chl-a research originates from developed countries, while 55% is conducted in emerging countries. This study identified several research gaps: (a) Limited use of publicly available satellite data, with Landsat (10%) and Sentinel (12%) studies restricted to local scales, not global. (b) Major seas lack adequate coverage for Chl-a estimation. (c) Models are not sophisticated enough, often ignoring key factors. While temperature (39%) and nutrient availability (29%) are recognized as primary regulators, factors such as light, turbidity, currents, mixing, and stratification are frequently overlooked. As a key contribution, this review synthesizes various data types, quantitative techniques, and influencing factors in Chl-a concentration mapping across scales, highlighting its complexities, benefits, and recent spatio-temporal advancements over traditional approaches. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 192481285
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Current and emerging techniques for oceanic and lake chlorophyll-a estimation and monitoring: a global perspective.
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  Data: <searchLink fieldCode="AR" term="%22Jena%2C+Ratiranjan%22">Jena, Ratiranjan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> rjena@sharjah.ac.ae</i><br /><searchLink fieldCode="AR" term="%22Shanableh%2C+Abdallah%22">Shanableh, Abdallah</searchLink><relatesTo>1,3,4</relatesTo> (AUTHOR)<i> shanableh@sharjah.ac.ae</i><br /><searchLink fieldCode="AR" term="%22Al-Ruzouq%2C+Rami%22">Al-Ruzouq, Rami</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> ralruzouq@sharjah.ac.ae</i><br /><searchLink fieldCode="AR" term="%22Gibril%2C+Mohammed+Barakat+A%2E%22">Gibril, Mohammed Barakat A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mbgibril@sharjah.ac.ae</i><br /><searchLink fieldCode="AR" term="%22Hammouri%2C+Nezar+Atalla%22">Hammouri, Nezar Atalla</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> nhammouri@sharjah.ac.ae</i><br /><searchLink fieldCode="AR" term="%22Farweh%2C+Fatema+Habib%22">Farweh, Fatema Habib</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> ffarweh@sharjah.ac.ae</i><br /><searchLink fieldCode="AR" term="%22Shabib%2C+Ahmad+Ghassan%22">Shabib, Ahmad Ghassan</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> ashabib@sharjah.ac.ae</i><br /><searchLink fieldCode="AR" term="%22Ghorbonzadeh%2C+Omid%22">Ghorbonzadeh, Omid</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> omid.ghorbanzadeh@boku.ac.at</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Monitoring+%26+Assessment%22">Environmental Monitoring & Assessment</searchLink>. Mar2026, Vol. 198 Issue 3, p1-34. 34p.
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  Data: *<searchLink fieldCode="DE" term="%22Chlorophyll%22">Chlorophyll</searchLink><br />*<searchLink fieldCode="DE" term="%22Water+quality+monitoring%22">Water quality monitoring</searchLink><br />*<searchLink fieldCode="DE" term="%22Oceanographic+observations%22">Oceanographic observations</searchLink><br />*<searchLink fieldCode="DE" term="%22Phytoplankton%22">Phytoplankton</searchLink><br />*<searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br />*<searchLink fieldCode="DE" term="%22Remote+sensing%22">Remote sensing</searchLink><br />*<searchLink fieldCode="DE" term="%22Spatiotemporal+processes%22">Spatiotemporal processes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Chlorophyll-a (Chl-a) concentration measures the green pigment in phytoplankton, which affects global ecosystems and is influenced by climate change and human activities. Monitoring chlorophyll-a (Chl-a) in oceans and lakes is challenging due to factors such as assessment techniques and prediction accuracy. This paper conducts a meta-analysis of recent techniques employed in monitoring, estimating, modeling, and predicting oceanic/lake Chl-a concentrations, considering spatio-temporal perspectives and utilizing diverse datasets. The analysis was conducted at two spatial scales (local and global) to evaluate how recent methods have advanced the understanding of Chl-a concentration assessment (CCA). According to the analysis, approximately 45% of Chl-a research originates from developed countries, while 55% is conducted in emerging countries. This study identified several research gaps: (a) Limited use of publicly available satellite data, with Landsat (10%) and Sentinel (12%) studies restricted to local scales, not global. (b) Major seas lack adequate coverage for Chl-a estimation. (c) Models are not sophisticated enough, often ignoring key factors. While temperature (39%) and nutrient availability (29%) are recognized as primary regulators, factors such as light, turbidity, currents, mixing, and stratification are frequently overlooked. As a key contribution, this review synthesizes various data types, quantitative techniques, and influencing factors in Chl-a concentration mapping across scales, highlighting its complexities, benefits, and recent spatio-temporal advancements over traditional approaches. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=192481285
RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s10661-026-15116-4
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      – Code: eng
        Text: English
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        PageCount: 34
        StartPage: 1
    Subjects:
      – SubjectFull: Chlorophyll
        Type: general
      – SubjectFull: Water quality monitoring
        Type: general
      – SubjectFull: Oceanographic observations
        Type: general
      – SubjectFull: Phytoplankton
        Type: general
      – SubjectFull: Climate change
        Type: general
      – SubjectFull: Remote sensing
        Type: general
      – SubjectFull: Spatiotemporal processes
        Type: general
    Titles:
      – TitleFull: Current and emerging techniques for oceanic and lake chlorophyll-a estimation and monitoring: a global perspective.
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            NameFull: Jena, Ratiranjan
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            NameFull: Al-Ruzouq, Rami
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            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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              Value: 198
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