<?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>2026-10-14T04:40:09Z</responseDate><request identifier="10.35097/kfc8um4sd747jm0y" metadataPrefix="oai_dc" verb="GetRecord">https://www.radar-service.eu/oai/OAIHandler</request><GetRecord><record><header><identifier>10.35097/kfc8um4sd747jm0y</identifier><datestamp>2026-10-09T10:43:18Z</datestamp><setSpec>IMK</setSpec><setSpec>radar4kit</setSpec></header><metadata><oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/"
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   <dc:identifier>https://dx.doi.org/10.35097/kfc8um4sd747jm0y</dc:identifier>
   <dc:creator>Junkermann, Wolfgang</dc:creator>
   <dc:title>Airborne cloud-relevant particles in the upper planetary boundary layer and lower free troposphere over drought-affected areas</dc:title>
   <dc:publisher>Karlsruhe Institute of Technology</dc:publisher>
   <dc:date>2026</dc:date>
   <dc:subject>Geological Science</dc:subject>
   <dc:type>dataset</dc:type>
   <dc:subject>Dataset</dc:subject>
   <dc:source>Light aircraft</dc:source>
   <dc:source>In-situ measurement</dc:source>
   <dc:source>Air</dc:source>
   <dc:source>Upper planetary boundary layer</dc:source>
   <dc:source>Lower free troposphere</dc:source>
   <dc:source>Aerosol number counter</dc:source>
   <dc:source>Aerosol size spectrometer</dc:source>
   <dc:source>Instrument</dc:source>
   <dc:source>Observation</dc:source>
   <dc:source>Media</dc:source>
   <dc:source>Media</dc:source>
   <dc:source>Media</dc:source>
   <dc:source>Instrument</dc:source>
   <dc:source>Instrument</dc:source>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
   <dc:contributor>Hacker, Jorg</dc:contributor>
   <dc:contributor>McGrath, Andrew</dc:contributor>
   <dc:description>The data base contains aerosol number concentrations and size distributions measured from small environmental research aircraft over areas reported to be subject to changes in the hydrological cycle, especially declining rainfall trends. Size distributions combined with HYSPLIT backtrajectories can be used for source apportionment, regional studies for the quantification of particle emissions from selected dominant anthropogenic sources.</dc:description>
   <dc:subject>Nano-particles</dc:subject>
   <dc:subject>Cloud-condensation nuclei</dc:subject>
   <dc:subject>Aitken particles</dc:subject>
   <dc:subject>Airborne measurement</dc:subject>
   <dc:subject>Emission factor</dc:subject>
   <dc:subject>Particle budget</dc:subject>
   <dc:contributor>Hacker, Jorg</dc:contributor>
   <dc:contributor>McGrath, Andrew</dc:contributor>
   <dc:language>eng</dc:language>
   <dc:relation>10.1175/BAMS-D-18-0075.1</dc:relation>
   <dc:coverage>AUSTRALIA (Gladstone, Great Barrier Reef): Lat/Long/Datum -23.75 151.2 (WGS 84)</dc:coverage>
   <dc:coverage>AUSTRALIA (Hunter Valley): Lat/Long/Datum -32.3 150.95 (WGS 84)</dc:coverage>
   <dc:coverage>CHINA (Inner Mongolia): Lat/Long/Datum 43.7 116.25 (WGS 84)</dc:coverage>
   <dc:coverage>DENMARK (Baltic Sea): Lat/Long/Datum 54.65 11.4 (WGS 84)</dc:coverage>
   <dc:coverage>AUSTRALIA (Outback): Lat/Long/Datum -31.0 143.5 (WGS 84)</dc:coverage>
   <dc:format>application/x-tar</dc:format>
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