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Summary
DescriptionGlobal ocean chlorophyll concentration October 2019.png |
English: Ocean chlorophyll concentration, October 2019
At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton. Like plants on land, phytoplankton use chlorophyll and other light-harvesting pigments to carry out photosynthesis, absorbing atmospheric carbon dioxide to produce sugars for fuel. Chlorophyll in the water changes the way it reflects and absorbs sunlight, allowing scientists to map the amount and location of phytoplankton. These measurements give scientists valuable insights into the health of the ocean environment, and help scientists study the ocean carbon cycle. The map shows milligrams of chlorophyll per cubic meter of seawater. Places where chlorophyll concentrations are high are green, indicating lots of phytoplankton. Places where chlorophyll amounts are low are blue, indicating few phytoplankton. The observations come from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite. Land is dark gray, and places where MODIS could not collect data because of sea ice, polar darkness, or clouds are light gray. Source: NASA Earth Observatory |
Date | |
Source | NASA Earth Observatory |
Author | NASA Earth Observatory |
Licensing
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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October 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:13, 29 November 2019 | 865 × 582 (547 KB) | Epipelagic | User created page with UploadWizard |
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Image width | 865 px |
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Image height | 582 px |
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