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  <attribute name="title" value="Ground based in situ observations of aerosol_absorption_coefficient at Madrid (ES0021U) using filter_absorption_photometer" />
  <attribute name="keywords" value="ES0021U, Madrid, aerosol, volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles, ACTRIS, aerosol_absorption_coefficient" />
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  <attribute name="project" value="ACTRIS" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/JEW4-K6E4" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Esther Coz, Begoña Artíñano, Javier Fernandez, aerosol_absorption_coefficient - filter_absorption_photometer at Madrid, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JEW4-K6E4" />
  <attribute name="summary" value="Ground based in situ observations of aerosol_absorption_coefficient at Madrid (ES0021U) using filter_absorption_photometer. These measurements are gathered as a part of the following projects ACTRIS and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_absorption_coefficient in aerosol (volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_absorption_coefficient in aerosol (volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_absorption_coefficient in aerosol (volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles)" />
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  <attribute name="institution" value="ES09L, Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, CIEMAT, Spain" />
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  <attribute name="date_created" value="2022-03-08T13:53:00 UTC" />
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  <attribute name="creator_name" value="Esther Coz, Begoña Artíñano, Javier Fernandez" />
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  <attribute name="contributor_name" value="Javier Fernandez" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="ebas_originator" value="Fernandez, Javier, Javier.FernandezG@ciemat.es, Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, CIEMAT, Departamento de Medio Ambiente, Avenida Complutense 40, , 28040, Madrid, Spain" />
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  <attribute name="ebas_comment" value="Mass Absorption Cross-sections used in the calculations were those given by the manufacturer. The data needs correction. Please contact us before using them. Thank you." />
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  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Esther Coz, Begoña Artíñano, Javier Fernandez, aerosol_absorption_coefficient - filter_absorption_photometer at Madrid, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JEW4-K6E4&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;JEW4-K6E4.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/JEW4-K6E4&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/JEW4-K6E4&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-13T09:09:04.135530 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2021-05-04T10:36:28.183000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20200101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20220308135300&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1s&quot;,&#xA;    &quot;Station code&quot;: &quot;ES0021U&quot;,&#xA;    &quot;Platform code&quot;: &quot;ES0021S&quot;,&#xA;    &quot;Station name&quot;: &quot;Madrid&quot;,&#xA;    &quot;Station latitude&quot;: &quot;40.456436&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-3.725631&quot;,&#xA;    &quot;Station altitude&quot;: &quot;669.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;40.456436&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-3.725631&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;669.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;aerosol_absorption_coefficient&quot;,&#xA;    &quot;Unit&quot;: &quot;1/Mm&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;ES09L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Magee_AE33_55_CIEMAT&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Magee&quot;,&#xA;    &quot;Instrument model&quot;: &quot;AE33&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;AE33-S00-00055&quot;,&#xA;    &quot;Method ref&quot;: &quot;ES09L_abs_coef_AE33_ciemat_2019&quot;,&#xA;    &quot;Standard method&quot;: &quot;Single-angle_Correction=Drinovec2015&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM10 cut-off size vertical inlet (BGI, MiniPM® Inlet)&quot;,&#xA;    &quot;Flow rate&quot;: &quot;5.0 l/min&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Nafion dryer&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;Active, Sample Airstream Dryer - Nafion Membrane including external pump&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Adapted from manufacturer specification&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;typical value of unit-to-unit variability&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;ES09L, \&quot;Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, CIEMAT, Spain\&quot;, , , , , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. 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The data needs correction. Please contact us before using them. Thank you.&quot;&#xA;}" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Mass Absorption Cross-sections used in the calculations were those given by the manufacturer. The data needs correction. Please contact us before using them. Thank you." />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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