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Studying marine microorganisms from space.

C Pedrós-Alió1, R Simó

  • 1Departament de Biologia Marina i Oceanografia, Institut de Ciències del Mar, CMIMA, CSIC, Pg. Marítim de la Barceloneta 37-45, 08003 Barcelona, Spain. cpedros@icm.csic.es

International Microbiology : the Official Journal of the Spanish Society for Microbiology
|December 24, 2002
PubMed
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Satellites can monitor ocean microbes, crucial for Earth's biosphere. Studying marine microbial processes like primary production and dimethyl sulfide (DMS) flux from space reveals their global impact.

Area of Science:

  • Oceanography
  • Microbiology
  • Remote Sensing
  • Biogeochemistry

Background:

  • Marine microorganisms, though microscopic, significantly impact global processes.
  • Their activities, including primary production and respiration, are vital for the biosphere.
  • Satellite remote sensing offers a unique perspective to study these oceanic microbes.

Purpose of the Study:

  • To present examples of how satellite observations can be used to study marine microorganisms.
  • To highlight the importance of microbial processes in the ocean for global biogeochemical cycles.
  • To demonstrate the capability of satellites in monitoring key microbial functions from space.

Main Methods:

  • Satellite determination of chlorophyll a, a key photosynthetic pigment.

Related Experiment Videos

  • Analysis of heterotrophic prokaryotic production using remote sensing data.
  • Estimation of dimethyl sulfide (DMS) concentration and atmospheric flux via satellite.

    • Main Results:

    • Satellite data provide insights into the distribution and dynamics of oceanic primary production.
    • Remote sensing aids in analyzing heterotrophic prokaryotic production, a major component of ocean respiration.
    • Satellite estimates of DMS flux contribute to understanding climate regulation by marine biota.

    Conclusions:

    • Satellite observations are indispensable for understanding the global implications of marine microbial processes.
    • Monitoring chlorophyll a, heterotrophic prokaryotic production, and DMS flux from space is crucial for Earth system science.
    • Remote sensing provides a powerful tool to assess the biosphere's response to and influence on climate.