File:Chlorophyll_concentration_off_the_Galapagos_archipelago_during_El_Niño_and_La_Niña.jpg
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Chlorophyll_concentration_off_the_Galapagos_archipelago_during_El_Niño_and_La_Niña.jpg (468 × 535 pixels, file size: 154 KB, MIME type: image/jpeg)
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Summary
DescriptionChlorophyll concentration off the Galapagos archipelago during El Niño and La Niña.jpg |
English: El Niño and La Niña, large-scale shifts in winds and currents in the equatorial Pacific, have dramatic effects on the ecosystems of the Galapagos. These satellite maps show chlorophyll concentration (which corresponds with the abundance of microscopic ocean plants, called phytoplankton) during El Niño (top) and La Niña (lower). Blue represents low concentrations, while yellow, orange and red indicate high concentrations. Currents that normally fertilize the phytoplankton reverse during El Niño, resulting in barren oceans. These same currents are strengthened by La Niña resulting in an explosion of ocean life. |
Date | |
Source | NASA Earth Observatory |
Author | GSFC Ocean Color team and GeoEye. |
Images from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS).
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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depicts
18 July 2009
image/jpeg
00144fead23ab88396e766eccc4027c1805d81b2
157,869 byte
535 pixel
468 pixel
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current | 09:42, 18 July 2009 | 468 × 535 (154 KB) | Originalwana | {{Information |Description={{en|1=El Niño and La Niña, large-scale shifts in winds and currents in the equatorial Pacific, have dramatic effects on the ecosystems of the Galapagos. These satellite maps show chlorophyll concentration (which corresponds w |
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