<?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_995120</Entry_ID>
<Entry_Title>Meteorological and radiation measurements during the North Pole 28 (NP-28) drifting station, 1987 - Standard meteorological measurements</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>Zachek, Andrey</Dataset_Creator>
<Dataset_Title>Meteorological and radiation measurements during the North Pole 28 (NP-28) drifting station, 1987 - Standard meteorological measurements</Dataset_Title>
<Dataset_Release_Date>2026-05-22</Dataset_Release_Date>
<Dataset_Publisher>PANGAEA</Dataset_Publisher>
<Data_Presentation_Form>Dataset</Data_Presentation_Form>
<Online_Resource>https://doi.pangaea.de/10.1594/PANGAEA.995120</Online_Resource>
</Data_Set_Citation>
<Personnel>
<Role>Investigator</Role>
<First_Name>Andrey</First_Name>
<Last_Name>Zachek</Last_Name>
</Personnel>
<Discipline>
<Discipline_Name>Earth Science</Discipline_Name>
</Discipline>
<Parameters>
<Detailed_Variable>DATE/TIME</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LATITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LONGITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>ALTITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Air temperature at 2 m height</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Surface temperature</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Humidity, relative</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Pressure, atmospheric</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Total cloud amount</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Low cloud amount</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Wind direction</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Wind speed</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Short-wave downward (GLOBAL) radiation</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Long-wave upward radiation</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Long-wave downward radiation</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Net radiation</Detailed_Variable>
</Parameters>
<ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
<Keyword>NorthPole_SP-28</Keyword>
<Sensor_Name>
<Long_Name>Thermometer, JSC "Termopribor", TM-4-1</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Hair hygrometer, JSC "NPO Typhoon", M-19</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Siphon-cup mercury barometer, М-67</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Visual observation</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Remote Anemo-rhumbometer</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Pyranometer, Yanishevsky, M-80</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Pyrgeometer, Arctic and Antarctic Research Institute/Voeikov Main
Geophysical Observatory, P8-12 [8–12 μm]</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Pyrgeometer, Arctic and Antarctic Research Institute/Voeikov Main
Geophysical Observatory, P2-30 [1.8–30 μm]</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Thermoelectric Balance Meter, Yanishevsky, M-10</Long_Name>
</Sensor_Name>
<Source_Name>
<Long_Name>Drifting Station SP-28</Long_Name>
</Source_Name>
<Temporal_Coverage>
<Start_Date>1987-01-01</Start_Date>
<Stop_Date>1987-12-31</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>Complete</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>80.48</Southernmost_Latitude>
<Northernmost_Latitude>86.42</Northernmost_Latitude>
<Westernmost_Longitude>148.54</Westernmost_Longitude>
<Easternmost_Longitude>173.12</Easternmost_Longitude>
<Minimum_Altitude>2.0 m (ALTITUDE)</Minimum_Altitude>
<Maximum_Altitude>2.0 m (ALTITUDE)</Maximum_Altitude>
</Spatial_Coverage>
<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>
<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>45483 data points</Distribution_Size>
<Distribution_Format>text/tab-separated-values</Distribution_Format>
</Distribution>
<Reference>Zachek, Andrey; Yurganov, Leonid (2026): Longwave Radiation Variability in the Arctic: Forty Years of Change Under Reducing Global Anthropogenic SO2 Emissions. Atmosphere, 17(5), 513, https://doi.org/10.3390/atmos17050513</Reference>
<Reference>Zachek, Andrey (2026): Meteorological and radiation measurements during the North Pole 28 (NP-28) drifting station, 1987 - Standardized fixed-hour short-wave actinometric observations [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.995119</Reference>
<Summary>This dataset provides meteorological and actinometric observations from the Soviet drifting station North Pole 28 (NP-28) in the Central Arctic, 1987. Experimental studies were carried out at the drifting station, which operated in the Central Arctic Basin from February to October 1987. It includes air and surface temperatures, humidity, pressure, wind data, and cloud cover (see https://doi.pangaea.de/10.1594/PANGAEA.995119). The radiation data covers hourly averages of long-wave (upward/downward) and short-wave global radiation, as well as fixed-hour solar radiation measurements (direct, diffuse, and reflected). ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.995120"!</Summary>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/Altitude</URL>
<Description>ALTITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LATITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LONGITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_8601</URL>
<Description>DATE/TIME</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.3390/atmos17050513</URL>
<Description>Longwave Radiation Variability in the Arctic: Forty Years of Change Under Reducing Global Anthropogenic SO2 Emissions</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.pangaea.de/10.1594/PANGAEA.995119</URL>
<Description>Meteorological and radiation measurements during the North Pole 28 (NP-28) drifting station, 1987 - Standardized fixed-hour short-wave actinometric observations</Description>
</Related_URL>
<Metadata_Name>DIF</Metadata_Name>
<Metadata_Version>9.4</Metadata_Version>
<DIF_Creation_Date>2026-05-22</DIF_Creation_Date>
<Last_DIF_Revision_Date>2026-05-22</Last_DIF_Revision_Date>
</DIF>
