Daily Sun‐induced chlorophyll fluorescence vs. irradiance curves reflect the photoadaptation of phytoplankton in surface waters
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| Názov: | Daily Sun‐induced chlorophyll fluorescence vs. irradiance curves reflect the photoadaptation of phytoplankton in surface waters |
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| Autori: | Huot, Yannick, Antoine, David, Vellucci, Vincenzo |
| Prispievatelia: | Vellucci, Vincenzo |
| Zdroj: | Limnology And Oceanography (0024-3590) (Wiley), 2025-04, Vol. 70, N. 4, P. 1001-1015 |
| Informácie o vydavateľovi: | Wiley, 2025. |
| Rok vydania: | 2025 |
| Predmety: | [PHYS.PHYS.PHYS-BIO-PH] Physics [physics]/Physics [physics]/Biological Physics [physics.bio-ph], [SDU.STU.OC] Sciences of the Universe [physics]/Earth Sciences/Oceanography |
| Popis: | Phytoplankton chlorophyll Sun‐induced fluorescence is observable in the upwelling light field of the ocean. This allows its observation by radiometers in situ or on satellite sensors. Since it is influenced by both biomass and physiology it can potentially provide information about both. Since fluorescence yield is complementary to photosynthesis and heat in photosystem II, its observation throughout the day provides information on the response of phytoplankton to diel light cycles. Here we use a time series collected in the northwestern Mediterranean Sea (BOUSSOLE site) to extract photophysiological parameters of phytoplankton using the Sun‐induced fluorescence and as well as with an active chlorophyll fluorometer. The daily resolved patterns are consistent with photoacclimation and photoadaptation processes and reflect seasonal variations of the mixed‐layer average irradiance. We also show that fluorescence yields derived from satellite measurements (MODIS) at the same location are not correlated to these patterns, confirming the limited influence of photoacclimation and photoadaptation on the satellite‐derived chlorophyll fluorescence yield near solar noon. |
| Druh dokumentu: | Article Other literature type |
| Popis súboru: | application/pdf |
| Jazyk: | English |
| ISSN: | 1939-5590 0024-3590 |
| DOI: | 10.1002/lno.70001 |
| Prístupová URL adresa: | https://hal.science/hal-04989496v1 https://hal.science/hal-04989496v1/document https://doi.org/10.1002/lno.70001 https://archimer.ifremer.fr/doc/00943/105451/118129.pdf https://archimer.ifremer.fr/doc/00943/105451/ https://archimer.ifremer.fr/doc/00943/105451/118130.docx |
| Rights: | CC BY NC |
| Prístupové číslo: | edsair.doi.dedup.....e1ed99f7b80ab76ab9ead62cb5534598 |
| Databáza: | OpenAIRE |
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Nájsť tento článok vo Web of Science | Abstrakt: | Phytoplankton chlorophyll Sun‐induced fluorescence is observable in the upwelling light field of the ocean. This allows its observation by radiometers in situ or on satellite sensors. Since it is influenced by both biomass and physiology it can potentially provide information about both. Since fluorescence yield is complementary to photosynthesis and heat in photosystem II, its observation throughout the day provides information on the response of phytoplankton to diel light cycles. Here we use a time series collected in the northwestern Mediterranean Sea (BOUSSOLE site) to extract photophysiological parameters of phytoplankton using the Sun‐induced fluorescence and as well as with an active chlorophyll fluorometer. The daily resolved patterns are consistent with photoacclimation and photoadaptation processes and reflect seasonal variations of the mixed‐layer average irradiance. We also show that fluorescence yields derived from satellite measurements (MODIS) at the same location are not correlated to these patterns, confirming the limited influence of photoacclimation and photoadaptation on the satellite‐derived chlorophyll fluorescence yield near solar noon. |
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| ISSN: | 19395590 00243590 |
| DOI: | 10.1002/lno.70001 |