<?xml version="1.0" encoding="UTF-8"?>
<metadata creationDate="Thu, 24 Mar 2022"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	<PID>de.koeln.rrzk/amd.de.sups/joy.pyr02.l1.rsds</PID>
	<standard>SAMD v1.0</standard>
	<language>en</language>
	<project>HD(CP)2</project>
	<dsName version="00">sups_joy_pyr02_l1_rsds</dsName>
	<dsTitle>HD(CP)2 short term observations, sw broadband downwelling
		radiation (surface) data of Pyranometer (no. 02), by Supersite JOYCE,
		data version 00</dsTitle>
	<subtitle>Downwelling shortwave irradiance</subtitle>
	<dsAuthor>Lukas Pfitzenmaier (l.pfitzenmaier@uni-koeln.de)</dsAuthor>
	<institution>Research Center Juelich, Institute for Energy and Climate
		research (IEK-8)</institution>
	<conventions>CF-1.6 where applicable</conventions>
	<dependencies>external</dependencies>
	<versionHistory>Data processed by IEK-8 and written with
		do_radiation2nc_hdcp2_v2018_v2 by University of Cologne</versionHistory>
	<fileFormat>NETCDF3_CLASSIC</fileFormat>
	<fileAverageSize unit="[MB]">0.75</fileAverageSize>
	<datatype>daily</datatype>
	<level>1</level>
	<licence>For non-commercial use only. This data is subject to the
		HD(CP)2/SAMD data policy to be found at https://doi.org/10.25592/uhhfdm.9823 and in the HD(CP)2/SAMD
		Observation Data Product Standard https://doi.org/10.5281/zenodo.1741363.</licence>
	<provenance>Pyranometer data from Research Center Juelich, processed by
		IMGK, University of Cologne</provenance>
	<contactPersons>
		<contactPerson number="1">
			<institute>Institute of Energy and Climate, Research Center Juelich</institute>
			<forename>Birger</forename>
			<surname>Bohn</surname>
			<code>+49</code>
			<phone>2461614492</phone>
			<email>b.bohn@fz-juelich.de</email>
		</contactPerson>
	</contactPersons>
	<temporalExtent>
		<startDate>2017-01-10</startDate>
		<endDate>2018-06-18</endDate>
	</temporalExtent>
	<temporalResoultion unit="[s]">none</temporalResoultion>
	<horizontalResoultion unit="[m]">none</horizontalResoultion>
	<verticalResoultion unit="[m]">none</verticalResoultion>
	<location>Sensor is installed by the JOYCE at the Research Center
		Juelich, in south west corner on the roof of Institute for Energy and
		Climate research.</location>
	<productDescription>Downwelling shortwave irradiance and its error.
		Further information on sensor (CMP21) and data processing can be found
		in attached pdf document.</productDescription>
	<limitations>none</limitations>
	<comments>none</comments>
	<instruments>
		<instrument number="1">
			<source>Pyranometer CMP21</source>
			<latitude unit="[°]">50.908547</latitude>
			<longitude unit="[°]">6.413536</longitude>
			<altitude unit="[m]">111</altitude>
			<height unit="[m]">none</height>
			<specification>Manufactured by Kipp and Zonen. Sensor spectral range
				is 0.285-2.8 microm.</specification>
		</instrument>
	</instruments>
	<keywordLists>
		<keywordList number="1">
			<experimentType>Short term observations</experimentType>
			<measurementType>Local observations</measurementType>
			<mainGroup>Supersites</mainGroup>
			<variableGroup>JOYCE</variableGroup>
		</keywordList>
	</keywordLists>
	<dimensions>
		<nv>2</nv>
		<time>17280</time>
	</dimensions>
	<variables>
		<variable>
			<name>time</name>
			<dimension>time</dimension>
			<standard_name>time</standard_name>
			<long_name>time</long_name>
			<units>seconds since 1970-01-01 00:00:00 UTC</units>
		</variable>
		<variable>
			<name>zsl</name>
			<dimension>none</dimension>
			<standard_name>altitude</standard_name>
			<long_name>altitude above mean sea level</long_name>
			<units>m</units>
		</variable>
		<variable>
			<name>lat</name>
			<dimension>none</dimension>
			<standard_name>latitude</standard_name>
			<long_name>latitude</long_name>
			<units>degrees_north</units>
		</variable>
		<variable>
			<name>lon</name>
			<dimension>none</dimension>
			<standard_name>longitude</standard_name>
			<long_name>longitude</long_name>
			<units>degrees_east</units>
		</variable>
		<variable>
			<name>rsds</name>
			<dimension>time</dimension>
			<standard_name>surface_downwelling_shortwave_flux_in_air</standard_name>
			<long_name>down welling shortwave flux</long_name>
			<units>W m-2</units>
		</variable>
		<variable>
			<name>rsds_error</name>
			<dimension>time</dimension>
			<standard_name>none</standard_name>
			<long_name>down welling shortwave flux error</long_name>
			<units>W m-2</units>
		</variable>
	</variables>
</metadata>