Publication: Remote Sensing of Sun-Induced Fluorescence in a Deep Lake: Disentangling Quenching Mechanisms Improves Relationship With Chlorophyll-a Concentration Estimates
Remote Sensing of Sun-Induced Fluorescence in a Deep Lake: Disentangling Quenching Mechanisms Improves Relationship With Chlorophyll-a Concentration Estimates
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Gupana, R., Odermatt, D., Irani Rahaghi, A., Minaudo, C., Werther, M., Giardino, C., & Damm-Reiser, A. (2025). Remote Sensing of Sun-Induced Fluorescence in a Deep Lake: Disentangling Quenching Mechanisms Improves Relationship With Chlorophyll-a Concentration Estimates. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 18, 4410–4426. https://doi.org/10.1109/jstars.2025.3528911
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Sun-induced fluorescence (SIF) from phytoplankton has historically been used as a proxy for chlorophyll-a (chl-a) concentration estimates in water bodies using optical earth observation data. However, the relationship is often affected by spectral features caused by elastic scattering, and by the shifting incidence of different fluorescence quenching mechanisms. This study found that disentangling photochemical quenching (PQ) and nonphotochemical quenching (NPQ) cases improves SIF-based chl-a estimates. Furthermore, we defined strateg
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Gupana, R., Odermatt, D., Irani Rahaghi, A., Minaudo, C., Werther, M., Giardino, C., & Damm-Reiser, A. (2025). Remote Sensing of Sun-Induced Fluorescence in a Deep Lake: Disentangling Quenching Mechanisms Improves Relationship With Chlorophyll-a Concentration Estimates. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 18, 4410–4426. https://doi.org/10.1109/jstars.2025.3528911
