<?xml version="1.0" encoding="UTF-8"?><!--*** Generated from internal PANGAEA metadata schema by dif.xslt ***--><DIF xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.4.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/">
<Entry_ID>PANGAEA_992563</Entry_ID>
<Entry_Title>Airchemistry at Neumayer station, Antarctica during the year 2022</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>Weller, Rolf</Dataset_Creator>
<Dataset_Title>Airchemistry at Neumayer station, Antarctica during the year 2022</Dataset_Title>
<Dataset_Release_Date>2026-02-24</Dataset_Release_Date>
<Dataset_Publisher>PANGAEA</Dataset_Publisher>
<Data_Presentation_Form>Dataset</Data_Presentation_Form>
<Online_Resource>https://doi.pangaea.de/10.1594/PANGAEA.992563</Online_Resource>
</Data_Set_Citation>
<Personnel>
<Role>Investigator</Role>
<First_Name>Rolf</First_Name>
<Last_Name>Weller</Last_Name>
<Email>rolf.weller@awi.de</Email>
</Personnel>
<Discipline>
<Discipline_Name>Earth Science</Discipline_Name>
</Discipline>
<Parameters>
<Detailed_Variable>DATE/TIME</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Temperature, air</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Wind speed</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Wind direction</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aerosol scattering coefficient at 450 nm</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aerosol scattering coefficient at 550 nm</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aerosol scattering coefficient at 700 nm</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aerosol backscattering coefficient at 450 nm</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aerosol backscattering coefficient at 550 nm</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aerosol backscattering coefficient at 700 nm</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Particle number</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Ozone</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Date/time end</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Methanesulfonic acid</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Chloride</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Bromide</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Nitrate</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sulfate</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sodium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Potassium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Magnesium</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Calcium</Detailed_Variable>
</Parameters>
<ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
<Keyword>aerosol</Keyword>
<Keyword>Air chemistry observatory</Keyword>
<Keyword>Neumayer_based</Keyword>
<Keyword>Neumayer_SPUSO</Keyword>
<Keyword>Spuso</Keyword>
<Keyword>surface ozone</Keyword>
<Sensor_Name>
<Long_Name>Nephelometer TSI 3563</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Condensation particle counter (CPC), TSI, 3022A</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Surface ozone analyzer ansyco O341M</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>High volume aerosol sampling</Long_Name>
</Sensor_Name>
<Source_Name>
<Long_Name>NEUMAYER III</Long_Name>
</Source_Name>
<Temporal_Coverage>
<Start_Date>2022-01-01</Start_Date>
<Stop_Date>2022-12-31</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>Complete</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>-70.65</Southernmost_Latitude>
<Northernmost_Latitude>-70.65</Northernmost_Latitude>
<Westernmost_Longitude>-8.25</Westernmost_Longitude>
<Easternmost_Longitude>-8.25</Easternmost_Longitude>
</Spatial_Coverage>
<Project>
<Short_Name>AWI_AC</Short_Name>
<Long_Name>Atmospheric Chemistry @ AWI</Long_Name>
</Project>
<Access_Constraints>unrestricted</Access_Constraints>
<Use_Constraints>CC-BY-4.0: Creative Commons Attribution 4.0 International</Use_Constraints>
<Data_Set_Language>English</Data_Set_Language>
<Originating_Center>Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven</Originating_Center>
<Data_Center>
<Data_Center_Name>
<Short_Name>PANGAEA</Short_Name>
<Long_Name>Data Publisher for Earth &amp; Environmental Science</Long_Name>
</Data_Center_Name>
<Data_Center_URL>https://www.pangaea.de/</Data_Center_URL>
<Personnel>
<Role>Data Center Contact</Role>
<First_Name>Michael</First_Name>
<Last_Name>Diepenbroek</Last_Name>
<Email>info@pangaea.de</Email>
<Contact_Address>
<Address>Leobener Str.</Address>
<City>Bremen</City>
<Province_or_State>Bremen</Province_or_State>
<Postal_Code>28359</Postal_Code>
<Country>Germany</Country>
</Contact_Address>
</Personnel>
</Data_Center>
<Distribution>
<Distribution_Media>online</Distribution_Media>
<Distribution_Size>4219902 data points</Distribution_Size>
<Distribution_Format>text/tab-separated-values</Distribution_Format>
</Distribution>
<Summary>The main task of the Neumayer Air Chemistry Observatory at Neumayer III Station is to provide continuous, year-round as well as long-term data records for important gaseous and particulate trace components of the troposphere. The data set presents the results of these long term observations for the over-wintering period 2022. For additional information about the observatory visit homepage: https://www.awi.de/en/science/long-term-observations/atmosphere/antarctic-neumayer/air-chemistry.html ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.992563"!</Summary>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_8601</URL>
<Description>DATE/TIME</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_8601</URL>
<Description>Date/time end</Description>
</Related_URL>
<Related_URL>
<URL>http://www.awi.de/en/infrastructure/stations/neumayer_station/observatories/air_chemistry_observatory/technical_aspects/</URL>
<Description>Neumayer_SPUSO</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.17815/jlsrf-2-152</URL>
<Description>NEUMAYER III</Description>
</Related_URL>
<Related_URL>
<URL>https://registry.o2a-data.de/items/8292</URL>
<Description>Condensation particle counter (CPC), TSI, 3022A</Description>
</Related_URL>
<Related_URL>
<URL>https://sensor.awi.de/?id=8263</URL>
<Description>Nephelometer TSI 3563</Description>
</Related_URL>
<Related_URL>
<URL>https://sensor.awi.de/?id=8266</URL>
<Description>Surface ozone analyzer ansyco O341M</Description>
</Related_URL>
<Related_URL>
<URL>https://sensor.awi.de/?id=8290</URL>
<Description>High volume aerosol sampling</Description>
</Related_URL>
<Related_URL>
<URL>https://www.awi.de/en/science/long-term-observations/atmosphere/antarctic-neumayer/air-chemistry.html</URL>
<Description>AWI_AC</Description>
</Related_URL>
<Parent_DIF>PANGAEA_961235</Parent_DIF>
<Metadata_Name>DIF</Metadata_Name>
<Metadata_Version>9.4</Metadata_Version>
<DIF_Creation_Date>2026-02-24</DIF_Creation_Date>
<Last_DIF_Revision_Date>2026-07-02</Last_DIF_Revision_Date>
</DIF>
