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| Titel: |
Satellite-detected fluorescence reveals global physiology of ocean phytoplankton |
| Auteur: |
M. J. Behrenfeld T. K. Westberry E. S. Boss R. T. O'Malley D. A. Siegel J. D. Wiggert B. A. Franz C. R. McClain G. C. Feldman S. C. Doney J. K. Moore G. Dall'Olmo A. J. Milligan I. Lima N. Mahowald |
| Verschenen in: |
Biogeosciences discussions |
| Paginering: | Jaargang 5 (2008) nr. 6 pagina's 4235-4270 |
| Jaar: |
2008 |
| Inhoud: |
Phytoplankton photosynthesis links global ocean biology and climate-driven fluctuations in the physical environment. These interactions are largely expressed through changes in phytoplankton physiology, but physiological status has proven extremely challenging to characterize globally. Phytoplankton fluorescence does provide a rich source of physiological information long exploited in laboratory and field studies, and is now observed from space. Here we use satellite-based fluorescence measurements to evaluate light-absorption and energy-dissipation processes influencing phytoplankton light use efficiency and demonstrate its utility as a global physiological indicator of iron-limited growth conditions. This new tool provides a path for monitoring climate-phytoplankton physiology interactions, improving descriptions of light use efficiency in ocean productivity models, evaluating nutrient-stress predictions in ocean ecosystem models, and appraising phytoplankton responses to natural iron enrichments or purposeful iron fertilizations activities. |
| Uitgever: |
Copernicus GmbH (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 114 van 146 gevonden artikelen
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