Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region
A cloud particle sensor (CPS) sonde is an observing system attached with a radiosonde sensor to observe the vertical structure of cloud properties. The signals obtained from CPS sondes are related to the phase, size, and number of cloud particles. The system offers economic advantages including huma...
Published in: | Atmospheric Measurement Techniques |
---|---|
Main Authors: | , , , , |
Format: | Text |
Language: | English |
Published: |
2021
|
Subjects: | |
Online Access: | https://doi.org/10.5194/amt-14-4971-2021 https://amt.copernicus.org/articles/14/4971/2021/ |
id |
ftcopernicus:oai:publications.copernicus.org:amt91578 |
---|---|
record_format |
openpolar |
spelling |
ftcopernicus:oai:publications.copernicus.org:amt91578 2023-05-15T14:54:20+02:00 Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region Inoue, Jun Tobo, Yutaka Sato, Kazutoshi Taketani, Fumikazu Maturilli, Marion 2021-07-16 application/pdf https://doi.org/10.5194/amt-14-4971-2021 https://amt.copernicus.org/articles/14/4971/2021/ eng eng doi:10.5194/amt-14-4971-2021 https://amt.copernicus.org/articles/14/4971/2021/ eISSN: 1867-8548 Text 2021 ftcopernicus https://doi.org/10.5194/amt-14-4971-2021 2021-07-19T16:22:26Z A cloud particle sensor (CPS) sonde is an observing system attached with a radiosonde sensor to observe the vertical structure of cloud properties. The signals obtained from CPS sondes are related to the phase, size, and number of cloud particles. The system offers economic advantages including human resource and simple operation costs compared with aircraft measurements and land-/satellite-based remote sensing. However, the observed information should be appropriately corrected because of several uncertainties. Here we made field experiments in the Arctic region by launching approximately 40 CPS sondes between 2018 and 2020. Using these data sets, a better practical correction method was proposed to exclude unreliable data, estimate the effective cloud water droplet radius, and determine a correction factor for the total cloud particle count. We apply this method to data obtained in October 2019 over the Arctic Ocean and March 2020 at Ny-Ålesund, Svalbard, Norway, to compare with a particle counter aboard a tethered balloon and liquid water content retrieved by a microwave radiometer. The estimated total particle count and liquid water content from the CPS sondes generally agree with those data. Although further development and validation of CPS sondes based on dedicated laboratory experiments would be required, the practical correction approach proposed here would offer better advantages in retrieving quantitative information on the vertical distribution of cloud microphysics under the condition of a lower number concentration. Text Arctic Arctic Ocean Ny Ålesund Ny-Ålesund Svalbard Copernicus Publications: E-Journals Arctic Arctic Ocean Norway Ny-Ålesund Svalbard Atmospheric Measurement Techniques 14 7 4971 4987 |
institution |
Open Polar |
collection |
Copernicus Publications: E-Journals |
op_collection_id |
ftcopernicus |
language |
English |
description |
A cloud particle sensor (CPS) sonde is an observing system attached with a radiosonde sensor to observe the vertical structure of cloud properties. The signals obtained from CPS sondes are related to the phase, size, and number of cloud particles. The system offers economic advantages including human resource and simple operation costs compared with aircraft measurements and land-/satellite-based remote sensing. However, the observed information should be appropriately corrected because of several uncertainties. Here we made field experiments in the Arctic region by launching approximately 40 CPS sondes between 2018 and 2020. Using these data sets, a better practical correction method was proposed to exclude unreliable data, estimate the effective cloud water droplet radius, and determine a correction factor for the total cloud particle count. We apply this method to data obtained in October 2019 over the Arctic Ocean and March 2020 at Ny-Ålesund, Svalbard, Norway, to compare with a particle counter aboard a tethered balloon and liquid water content retrieved by a microwave radiometer. The estimated total particle count and liquid water content from the CPS sondes generally agree with those data. Although further development and validation of CPS sondes based on dedicated laboratory experiments would be required, the practical correction approach proposed here would offer better advantages in retrieving quantitative information on the vertical distribution of cloud microphysics under the condition of a lower number concentration. |
format |
Text |
author |
Inoue, Jun Tobo, Yutaka Sato, Kazutoshi Taketani, Fumikazu Maturilli, Marion |
spellingShingle |
Inoue, Jun Tobo, Yutaka Sato, Kazutoshi Taketani, Fumikazu Maturilli, Marion Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region |
author_facet |
Inoue, Jun Tobo, Yutaka Sato, Kazutoshi Taketani, Fumikazu Maturilli, Marion |
author_sort |
Inoue, Jun |
title |
Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region |
title_short |
Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region |
title_full |
Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region |
title_fullStr |
Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region |
title_full_unstemmed |
Application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the Arctic region |
title_sort |
application of cloud particle sensor sondes for estimating the number concentration of cloud water droplets and liquid water content: case studies in the arctic region |
publishDate |
2021 |
url |
https://doi.org/10.5194/amt-14-4971-2021 https://amt.copernicus.org/articles/14/4971/2021/ |
geographic |
Arctic Arctic Ocean Norway Ny-Ålesund Svalbard |
geographic_facet |
Arctic Arctic Ocean Norway Ny-Ålesund Svalbard |
genre |
Arctic Arctic Ocean Ny Ålesund Ny-Ålesund Svalbard |
genre_facet |
Arctic Arctic Ocean Ny Ålesund Ny-Ålesund Svalbard |
op_source |
eISSN: 1867-8548 |
op_relation |
doi:10.5194/amt-14-4971-2021 https://amt.copernicus.org/articles/14/4971/2021/ |
op_doi |
https://doi.org/10.5194/amt-14-4971-2021 |
container_title |
Atmospheric Measurement Techniques |
container_volume |
14 |
container_issue |
7 |
container_start_page |
4971 |
op_container_end_page |
4987 |
_version_ |
1766326042637631488 |