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The oceans are responding to Earth's changing climate

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in ways that we are only beginning to understand.

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Given that phytoplankton are responsible

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for over half of the oxygen we breathe

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and form the base of the marine food chain,

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it is critical to understand

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how they are responding to these climate forcings as well.

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NASA has been using satellites, aircraft, and ships

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to study the biology of our oceans

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for over three decades.

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This combined data set provides an unprecedented opportunity

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to study oceanic climate change on the scale of decades.

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