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a view from above offers perspective and

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scale

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while observations on the ground define

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a low land may be wet or dry

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a mountain slope

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slick with rain

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or parched beneath a cloudless sky

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there are places

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urban and wild

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where human influence has changed the

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way water runs off the land

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but it's only with data collected from

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space and the surface that we begin to

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understand how precipitation works

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on the ground

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you feel the kiss of mourning mist

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against your cheek

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from space

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one of gpm's strengths is its

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scalability

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nations that want to contribute in a

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meaningful way but are not yet ready to

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step off the planet will play a vital

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role in gathering worldwide

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ground validation stations located

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around the world will tie the network

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together bridging oceans and continents

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by focusing the power of an

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international team on water management

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global measurements

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local insights

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high-flying hardware

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real-world observations

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gpm is more than a group of spacecraft

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more than teams of experts

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this mission will span the globe

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with data coming in from the americas

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asia

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australia

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and other places around the earth a

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global data processing center will round

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out the system

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the pond and the river

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have become one

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just as individual water drops or ice

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crystals do not fully describe

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precipitation

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gpm will become more than a collection

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of parts and people

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one drop cannot even water a flower

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but many drops can irrigate a field

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gpm will enhance the accuracy of

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worldwide weather predictions new

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precipitation maps

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deeper insight into climate change

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more accurate flood assessments

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these are just some of the benefits that

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will emerge as international partners

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a mutual need for knowledge becomes a

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shared quest for understanding