Updated microphysical cloud parameters retrieved from EM-FTIR spectra, measured during PS106 and PS107

During the legs PS106 and PS107 of the RV Polarstern, a Fourier-Transform Infrared (FTIR) spectrometer was used to measure radiation emitted by clouds. Spectra were recorded between 700 cm^-1 (14.29 micrometer) and 1200 cm^-1 (8.33 micrometer). From these spectra, the cloud optical depths and the ef...

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Bibliographic Details
Main Authors: Richter, Philipp, Palm, Mathias, Weinzierl, Christine, Notholt, Justus
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
AC3
Arctic
Arctic Amplification
ARK-XXXI/1.1,PASCAL
ARK-XXXI/1.2
ARK-XXXI/2
clouds
Event label
File format
File name
File size
Fourier Transform Infrared Radiometer
FTIR
Polarstern
PS106_0_Underway-13
PS106/1
PS106/2
PS106/2_0_Underway-1
PS107
PS107_0_underway-16
Uniform resource locator/link to file
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.900377
https://doi.org/10.1594/PANGAEA.900377
Description
Summary:During the legs PS106 and PS107 of the RV Polarstern, a Fourier-Transform Infrared (FTIR) spectrometer was used to measure radiation emitted by clouds. Spectra were recorded between 700 cm^-1 (14.29 micrometer) and 1200 cm^-1 (8.33 micrometer). From these spectra, the cloud optical depths and the effective droplet radii were retrieved and the liquid water path (LWP), ice water path (IWP) and the condensed water path (CWP=IWP+LWP) calculated. The errors of the cloud optical depths and the effective droplet radii are the standard deviations of the retrieval, from which the errors of LWP, IWP and CWP were calculated. The averaging kernel matrices describe the sensitivity of the retrieval to the parameters. Cloud base heights were taken from the Polarstern ceilometer CL51. See also: Ceilometer CL51 raw data: https://doi.pangaea.de/10.1594/PANGAEA.883320 https://doi.pangaea.de/10.1594/PANGAEA.883322 https://doi.pangaea.de/10.1594/PANGAEA.883323

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