Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements
This paper reports on ground-based validation of the atmospheric OClO data record produced within the framework of EUMETSAT's Satellite Application Facility on Atmospheric Chemistry Monitoring (AC SAF) using the Global Ozone Monitoring Experiment (GOME)-2A and GOME-2B instrument measurements, c...
Published in: | Atmospheric Measurement Techniques |
---|---|
Main Authors: | , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
2022
|
Subjects: | |
Online Access: | http://hdl.handle.net/21.11116/0000-000A-D239-9 |
id |
ftpubman:oai:pure.mpg.de:item_3398309 |
---|---|
record_format |
openpolar |
spelling |
ftpubman:oai:pure.mpg.de:item_3398309 2023-08-27T04:06:06+02:00 Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements Pinardi, G. Roozendael, M. Hendrick, F. Richter, A. Valks, P. Alwarda, R. Bognar, K. a Frieß, U. Granville, J. Gu, M. Johnston, P. Prados-Roman, C. Querel, R. Strong, K. Wagner, T. Wittrock, F. Gonzalez, M. 2022-07-04 http://hdl.handle.net/21.11116/0000-000A-D239-9 eng eng info:eu-repo/semantics/altIdentifier/doi/10.5194/amt-15-3439-2022 http://hdl.handle.net/21.11116/0000-000A-D239-9 Atmospheric Measurement Techniques info:eu-repo/semantics/article 2022 ftpubman https://doi.org/10.5194/amt-15-3439-2022 2023-08-02T01:13:53Z This paper reports on ground-based validation of the atmospheric OClO data record produced within the framework of EUMETSAT's Satellite Application Facility on Atmospheric Chemistry Monitoring (AC SAF) using the Global Ozone Monitoring Experiment (GOME)-2A and GOME-2B instrument measurements, covering the 2007–2016 and 2013–2016 periods, respectively. OClO slant column densities are compared to correlative measurements collected from nine Zenith-Scattered-Light Differential Optical Absorption Spectroscopy (ZSL-DOAS) instruments from the Network for the Detection of Atmospheric Composition Change (NDACC) distributed in both the Arctic and Antarctic. Sensitivity tests are performed on the ground-based data to estimate the impact of the different OClO DOAS analysis settings. On this basis, we infer systematic uncertainties of about 25 % (i.e., about 3.75×1013 molec. cm−2) between the different ground-based data analyses, reaching total uncertainties ranging from about 26 % to 33 % for the different stations (i.e., around 4 to 5×1013 molec. cm−2). Time series at the different sites show good agreement between satellite and ground-based data for both the inter-annual variability and the overall OClO seasonal behavior. GOME-2A results are found to be noisier than those of GOME-2B, especially after 2011, probably due to instrumental degradation effects. Daily linear regression analysis for OClO-activated periods yield correlation coefficients of 0.8 for GOME-2A and 0.87 for GOME-2B, with slopes with respect to the ground-based data ensemble of 0.64 and 0.72, respectively. Satellite minus ground-based offsets are within 8×1013 molec. cm−2, with some differences between GOME-2A and GOME-2B depending on the station. Overall, considering all the stations, a median offset of about molec. cm−2 is found for both GOME-2 instruments. Article in Journal/Newspaper Antarc* Antarctic Arctic Max Planck Society: MPG.PuRe Arctic Antarctic Atmospheric Measurement Techniques 15 11 3439 3463 |
institution |
Open Polar |
collection |
Max Planck Society: MPG.PuRe |
op_collection_id |
ftpubman |
language |
English |
description |
This paper reports on ground-based validation of the atmospheric OClO data record produced within the framework of EUMETSAT's Satellite Application Facility on Atmospheric Chemistry Monitoring (AC SAF) using the Global Ozone Monitoring Experiment (GOME)-2A and GOME-2B instrument measurements, covering the 2007–2016 and 2013–2016 periods, respectively. OClO slant column densities are compared to correlative measurements collected from nine Zenith-Scattered-Light Differential Optical Absorption Spectroscopy (ZSL-DOAS) instruments from the Network for the Detection of Atmospheric Composition Change (NDACC) distributed in both the Arctic and Antarctic. Sensitivity tests are performed on the ground-based data to estimate the impact of the different OClO DOAS analysis settings. On this basis, we infer systematic uncertainties of about 25 % (i.e., about 3.75×1013 molec. cm−2) between the different ground-based data analyses, reaching total uncertainties ranging from about 26 % to 33 % for the different stations (i.e., around 4 to 5×1013 molec. cm−2). Time series at the different sites show good agreement between satellite and ground-based data for both the inter-annual variability and the overall OClO seasonal behavior. GOME-2A results are found to be noisier than those of GOME-2B, especially after 2011, probably due to instrumental degradation effects. Daily linear regression analysis for OClO-activated periods yield correlation coefficients of 0.8 for GOME-2A and 0.87 for GOME-2B, with slopes with respect to the ground-based data ensemble of 0.64 and 0.72, respectively. Satellite minus ground-based offsets are within 8×1013 molec. cm−2, with some differences between GOME-2A and GOME-2B depending on the station. Overall, considering all the stations, a median offset of about molec. cm−2 is found for both GOME-2 instruments. |
format |
Article in Journal/Newspaper |
author |
Pinardi, G. Roozendael, M. Hendrick, F. Richter, A. Valks, P. Alwarda, R. Bognar, K. a Frieß, U. Granville, J. Gu, M. Johnston, P. Prados-Roman, C. Querel, R. Strong, K. Wagner, T. Wittrock, F. Gonzalez, M. |
spellingShingle |
Pinardi, G. Roozendael, M. Hendrick, F. Richter, A. Valks, P. Alwarda, R. Bognar, K. a Frieß, U. Granville, J. Gu, M. Johnston, P. Prados-Roman, C. Querel, R. Strong, K. Wagner, T. Wittrock, F. Gonzalez, M. Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements |
author_facet |
Pinardi, G. Roozendael, M. Hendrick, F. Richter, A. Valks, P. Alwarda, R. Bognar, K. a Frieß, U. Granville, J. Gu, M. Johnston, P. Prados-Roman, C. Querel, R. Strong, K. Wagner, T. Wittrock, F. Gonzalez, M. |
author_sort |
Pinardi, G. |
title |
Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements |
title_short |
Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements |
title_full |
Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements |
title_fullStr |
Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements |
title_full_unstemmed |
Ground-based validation of the MetOp-A and MetOp-B GOME-2 OClO measurements |
title_sort |
ground-based validation of the metop-a and metop-b gome-2 oclo measurements |
publishDate |
2022 |
url |
http://hdl.handle.net/21.11116/0000-000A-D239-9 |
geographic |
Arctic Antarctic |
geographic_facet |
Arctic Antarctic |
genre |
Antarc* Antarctic Arctic |
genre_facet |
Antarc* Antarctic Arctic |
op_source |
Atmospheric Measurement Techniques |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/amt-15-3439-2022 http://hdl.handle.net/21.11116/0000-000A-D239-9 |
op_doi |
https://doi.org/10.5194/amt-15-3439-2022 |
container_title |
Atmospheric Measurement Techniques |
container_volume |
15 |
container_issue |
11 |
container_start_page |
3439 |
op_container_end_page |
3463 |
_version_ |
1775346851752443904 |