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High‐accuracy measurements of total column water vapor from the Orbiting Carbon Observatory‐2
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2016
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Source: Geophysical Research Letters, 43(23)
[PDF-1.92 MB]
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Journal Title:Geophysical Research Letters
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NOAA Program & Office:
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Description:AccurateknowledgeofthedistributionofwatervaporinEarth’satmosphereisofcritical importancetobothweatherandclimatestudies.Herewereportonmeasurementsoftotalcolumnwatervapor(TCWV)fromhyperspectralobservationsofnear-infraredreflectedsunlightoverlandandocean surfacesfromtheOrbitingCarbonObservatory-2(OCO-2).Thesemeasurementsareanancillaryproduct oftheretrievalalgorithmusedtomeasureatmosphericcar bondioxideconcentrations,withinformation comingfromthreehighlyresolvedspectralbands.Comparisonstohigh-accuracyvalidationdata,including ground-based GPS and microwave radiometer data, demonstrate that OCO-2 TCWV measurements havemaximumroot-mean-squaredeviationsof0.9–1.3mm.OurresultsindicatethatOCO-2isthefirstspace-basedsensortoaccuratelyandpreciselymeasurethetwomostimportantgreenhousegases,water
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Source:Geophysical Research Letters, 43(23)
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DOI:
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ISSN:0094-8276;1944-8007;
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Rights Information:Other
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