<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-22T02:02:32Z</responseDate><request identifier="NSIDC-0212.001" metadataPrefix="dif" verb="GetRecord">http://nsidc.org/api/dataset/metadata/oai</request><GetRecord><record><header><identifier>oai:nsidc.org/NSIDC-0212.001</identifier><datestamp>2026-01-22T20:05:01Z</datestamp><setSpec>v0_daac</setSpec><setSpec>v0_all</setSpec><setSpec>nasa_nsidc_daac</setSpec></header><metadata>
<DIF xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.7.1.xsd"><Entry_ID>NSIDC-0212.001</Entry_ID><Entry_Title>Airborne Cloud Radar (ACR) Reflectivity, Wakasa Bay, Japan</Entry_Title><Data_Set_Citation><Dataset_Creator>Stephens, G. L. &amp; Austin, R. T.</Dataset_Creator><Dataset_Title>Airborne Cloud Radar (ACR) Reflectivity, Wakasa Bay, Japan</Dataset_Title><Dataset_Release_Date>2004-03-15</Dataset_Release_Date><Dataset_Release_Place>Boulder, Colorado USA</Dataset_Release_Place><Dataset_Publisher>NASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center</Dataset_Publisher><Version>1</Version><Other_Citation_Details><Invert_Citation_Order>false</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.5067/3YXTPM48L5GY</Dataset_DOI><Online_Resource>https://nsidc.org/sites/default/files/nsidc-0212-v001-userguide_1.pdf</Online_Resource><Dataset_Series_Name>NSIDC-0212</Dataset_Series_Name></Data_Set_Citation><Personnel><Role>Technical Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Fax>1-303-492-2468</Fax><Contact_Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Personnel><Role>Investigator</Role><First_Name>Graeme</First_Name><Middle_Name>L.</Middle_Name><Last_Name>Stephens</Last_Name><Contact_Address><Address>Dept. of Atmospheric Science</Address><Address>Colorado State University</Address><Address>1371 Campus Delivery</Address><City>Fort Collins</City><Province_or_State>CO</Province_or_State><Postal_Code>80523-1371</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Personnel><Role>Investigator</Role><First_Name>Richard</First_Name><Middle_Name>T.</Middle_Name><Last_Name>Austin</Last_Name><Contact_Address><Address>Dept. of Atmospheric Science</Address><Address>Colorado State University</Address><Address>1371 Campus Delivery</Address><City>Fort Collins</City><Province_or_State>CO</Province_or_State><Postal_Code>80523-1371</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Parameters><Category>EARTH SCIENCE</Category><Topic>ATMOSPHERE</Topic><Term>CLOUDS</Term><Variable_Level_1>CLOUD RADIATIVE TRANSFER</Variable_Level_1><Variable_Level_2>CLOUD REFLECTANCE</Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><Parameters><Category>EARTH SCIENCE</Category><Topic>SPECTRAL/ENGINEERING</Topic><Term>RADAR</Term><Variable_Level_1>RADAR REFLECTIVITY</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><Parameters><Category>EARTH SCIENCE</Category><Topic>ATMOSPHERE</Topic><Term>ATMOSPHERIC RADIATION</Term><Variable_Level_1>REFLECTANCE</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><Keyword>Airborne Radar Sounding</Keyword><Keyword>AMSR-E</Keyword><Keyword>cloud velocity</Keyword><Keyword>Precipitation</Keyword><Keyword>Radar</Keyword><Keyword>Velocity Measurements</Keyword><Keyword>Wakasa Bay</Keyword><Sensor_Name><Short_Name>DOPPLER RADAR</Short_Name></Sensor_Name><Source_Name><Short_Name>AIRCRAFT</Short_Name></Source_Name><Temporal_Coverage><Start_Date>2003-01-14</Start_Date><Stop_Date>2003-02-03</Stop_Date></Temporal_Coverage><Data_Set_Progress>complete</Data_Set_Progress><Spatial_Coverage><Southernmost_Latitude>30</Southernmost_Latitude><Northernmost_Latitude>40</Northernmost_Latitude><Westernmost_Longitude>130</Westernmost_Longitude><Easternmost_Longitude>150</Easternmost_Longitude></Spatial_Coverage><Location><Location_Category>Ocean</Location_Category><Location_Type>Pacific Ocean</Location_Type><Location_Subregion1>North Pacific Ocean</Location_Subregion1><Location_Subregion2>Sea Of Japan</Location_Subregion2><Location_Subregion3/><Detailed_Location/></Location><Access_Constraints>These data are freely, openly, and fully accessible, provided that you are logged into your NASA Earthdata profile (https://urs.earthdata.nasa.gov/).</Access_Constraints><Use_Constraints>These data are freely, openly, and fully available to use without restrictions, provided that you cite the data according to the recommended citation at https://nsidc.org/about/use_copyright.html. For more information on the NASA EOSDIS Data Use Policy, see https://earthdata.nasa.gov/earth-observation-data/data-use-policy.</Use_Constraints><Data_Set_Language>English</Data_Set_Language><Originating_Center>NSIDC</Originating_Center><Data_Center><Data_Center_Name><Short_Name>NASA NSIDC DAAC</Short_Name><Long_Name>NASA National Snow and Ice Data Center Distributed Active Archive Center</Long_Name></Data_Center_Name><Data_Center_URL>https://nsidc.org/daac</Data_Center_URL><Personnel><Role>Data Center Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Contact_Address><Address>National Snow and Ice Data Center</Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel></Data_Center><Distribution><Distribution_Media>FTP</Distribution_Media><Distribution_Size>100 MB</Distribution_Size><Distribution_Format>NetCDF</Distribution_Format></Distribution><Distribution><Distribution_Media>HTTPS</Distribution_Media><Distribution_Size>100 MB</Distribution_Size><Distribution_Format>NetCDF</Distribution_Format></Distribution><Reference>Sadowy, G. A., R. E. McIntosh, S. J. Dinardo, S. L. Durden, W. N. Edelstein, F. K. Li, A. B. Tanner, W. J. Wilson, T. L. Schneider, and G. L. Stephens. 1997. The NASA DC-8 airborne cloud radar: design and preliminary results. Proceedings of IGARSS '97. vol. 4, 1466-1469.</Reference><Summary><Abstract>This data set includes 94 GHz co- and cross-polarized radar reflectivity. The Airborne Cloud Radar (ACR) sensor was mounted to a NASA P-3 aircraft flown over the Sea of Japan, the Western Pacific Ocean, and the Japanese Islands.</Abstract></Summary><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>https://nsidc.org/sites/default/files/nsidc-0212-v001-userguide_1.pdf</URL><Description>Airborne Cloud Radar (ACR) Reflectivity, Wakasa Bay, Japan, Version 1 User Guide</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://daacdata.apps.nsidc.org/pub/DATASETS/AVDM/data/rainfall/wakasa_bay/ACR</URL><Description>HTTPS</Description></Related_URL><Related_URL><URL_Content_Type><Type>PROJECT HOME PAGE</Type></URL_Content_Type><URL>http://nsidc.org/data/amsr/</URL><Description>AMSR-E Data at NSIDC</Description></Related_URL><Related_URL><URL_Content_Type><Type>PROJECT HOME PAGE</Type></URL_Content_Type><URL>http://nsidc.org/data/amsr_validation/</URL><Description>AMSR-E Validation Data</Description></Related_URL><Metadata_Name>CEOS IDN DIF</Metadata_Name><Metadata_Version>VERSION 9.9</Metadata_Version><DIF_Creation_Date>2004-03-15</DIF_Creation_Date><Last_DIF_Revision_Date>2026-01-22</Last_DIF_Revision_Date><Extended_Metadata><Metadata><Group>NSIDC</Group><Name>Version Summary</Name><Value/></Metadata><Metadata><Group>NSIDC</Group><Name>Minor Version</Name><Value/></Metadata><Metadata><Group>NSIDC</Group><Name>Current Version</Name><Value>1</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Level of Service</Name><Value><Level>Basic</Level></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Full Dataset Citation</Name><Value>Stephens, G. 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