An estimate of global primary production in the ocean from satellite radiometer data
Abstract
An estimate of global net primary production in the ocean has been computed from the monthly mean near-surface chlorophyll fields for 1979–1986 obtained by the Nimbus 7 CZCS radiometer. Our model required information about the subsurface distribution of chlorophyll, the parameters of the photosynthesis-light relationship, the sun angle and cloudiness. The computations were partitioned among 57 biogeochemical provinces that were specified from regional oceanography and by examination of the chlorophyll fields. Making different assumptions about the overestimation of chlorophyll by the CZCS in turbid coastal areas, the global net primary production from phytoplankton is given as 45–50 Gt C year−1. This may be compared with current published estimates for land plants of 45–68 Gt C year−1 and for coastal vegetation of 1.9 Gt C year−1.
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- Authors
- Longhurst, A., Sathyendranath, S., Platt, T., & Caverhill, C.
- Affiliations
- Dalhousie University (CA)
- Venue
- Journal of Plankton Research
- Publisher
- Oxford University Press (OUP)
- Published
- 1995
- Volume
- 17
- Issue
- 6
- Pages
- 1245-1271
- ISSN
- 0142-7873 (ISSN-L)
- 1464-3774
- OpenAlex
- W2093463708
- Cited by
- 1,480
- References
- 0
- Citations by year
- 2026: 19 · 2025: 45 · 2024: 60 · 2023: 73 · 2022: 68 · 2021: 90 · 2020: 54 · 2019: 60 · 2018: 61 · 2017: 65 · 2016: 54 · 2015: 60 · 2014: 47 · 2013: 55 · 2012: 46
- FWCI
- 19.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Plankton Research (publishedVersion)
- Oceanographic literature review
- Topics
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Oceanographic and Atmospheric Processes
- Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
- Keywords
- chlorophyll distribution, satellite radiometry, biogeochemical provinces
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