Puijo SMEAR IV Kuopio - Multiangle Absorption Photometer (MAAP), 2006-2014 (IDA)

Finnish Meteorological Institute (FMI), Atmospheric Research Centre of Eastern Finland; University of Eastern Finland (UEF), Department of Applied Physics, Aerosol Physics group; Jorma Joutsensaari, University of Eastern Finland (UEF), Department of Applied Physics; Mika Komppula, Finnish Meteorological Institute (FMI), Atmospheric Research Centre of Eastern Finland

Date

2017-06-30

Author(s)

Finnish Meteorological Institute (FMI), Atmospheric Research Centre of Eastern Finland

University of Eastern Finland (UEF), Department of Applied Physics, Aerosol Physics group

Jorma Joutsensaari, University of Eastern Finland (UEF), Department of Applied Physics

Mika Komppula, Finnish Meteorological Institute (FMI), Atmospheric Research Centre of Eastern Finland

Unique identifier

urn:nbn:fi:csc-kata20170630094740061885

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Citation

Finnish Meteorological Institute (FMI), Atmospheric Research Centre of Eastern Finland. University of Eastern Finland (UEF), Department of Applied Physics, Aerosol Physics group. Jorma Joutsensaari, University of Eastern Finland (UEF), Department of Applied Physics. Mika Komppula, Finnish Meteorological Institute (FMI), Atmospheric Research Centre of Eastern Finland. , Puijo SMEAR IV Kuopio - Multiangle Absorption Photometer (MAAP), 2006-2014 (IDA), 2017, urn:nbn:fi:csc-kata20170630094740061885.

Licensed under

CC-BY-4.0, Creative Commons Attribution 4.0

Abstract

Multiangle Absorption Photometer (MAAP) data measured through total (tot) and interstitial (int) inlets at Puijo SMEAR IV station in Kuopio, Finland. Data for years 2006-2014. See detailed description: https://avaa.tdata.fi/web/smart/smear-iv.

Data contains files for both inlets (tot and int):

* PUI_maap_int_2006_data.csv
* PUI_maap_int_2007_data.csv
* PUI_maap_int_2008_data.csv
* PUI_maap_int_2009_data.csv
* PUI_maap_int_2010_data.csv
* PUI_maap_int_2011_data.csv
* PUI_maap_int_2012_data.csv
* PUI_maap_int_2013_data.csv
* PUI_maap_int_2014_data.csv
* PUI_maap_tot_2010_data.csv
* PUI_maap_tot_2011_data.csv
* PUI_maap_tot_2012_data.csv
* PUI_maap_tot_2013_data.csv
* PUI_maap_tot_2014_data.csv

The files have the following columns (column_name: description; [unit]):

* Year, Month, Day, Hour, Minute, Second: Sample time (UTC +2), []
* quality: Quality parameter; []
* sigma_ap: Aerosol absorption coefficient 637nm (1/Mm); [1/Mm]
* conc_bc: Black carbon (BC) concentration in ng/m3; [ng/m3]
* load_filter: Filter loading (not to be used); []
* flowrate: Sample flow in liters/hourly; [l/h]

Interstitial (int) and total (tot) inlets:

Sample air for the instruments is drawn through two parallel sampling lines: interstitial (int) and total (tot) inlets:

* interstitial inlet (int) is equipped with an impactor with a 10-µm cut-off size followed by a cyclone with a 1.0-µm cut-off size (2.5 µm before 20 November 2009)
* total air inlet (total) with heated sampling lines and snow-hood to dry the cloud droplets (cut-off size 40 µm when the wind speed is below 20 m/s)

This two-inlet setup enables simultaneous interstitial and total air (interstitial + cloud drop residual) measurements when the tower is covered by clouds.

The size of data: ca. 20 MB.

Note: Data also available and described via AVAA SmartSMEAR:

* http://urn.fi/urn:nbn:fi:csc-kata20170628150112244826
* http://urn.fi/urn:nbn:fi:csc-kata20170628144354843319