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Citation link: http://nbn-resolving.de/urn:nbn:de:gbv:46-00106217-14
00106217-1.pdf
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Tropical tropospheric ozone columns from nadir satellite retrievals using the Convective Cloud Differential technique on GOME, SCIAMACHY and GOME-2 data


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Other Titles: Tropisches troposphärisches Ozonretrieval gemessen mit GOME, SCIAMACHY und GOME-2 Nadir Satellitendaten : Die Convective Cloud Differential Technik
Authors: Leventidou, Elpida  
Supervisor: Weber, Mark  
1. Expert: Burrows, John P.
2. Expert: Vrekoussis, Mihalis
Abstract: 
Tropospheric ozone (O3) is one of the most important atmospheric pollutants close to surface. Remote sensing from satellites can provide consistent information of total ozone concentrations over large areas. By removing the stratospheric contributions using the Convective differential technique (CCD) on GOME/ERS-2 (1995- 2003), SCIAMACHY/Envisat (2002-2012), and GOME-2/MetOpA (2007-today) total O3 and cloud data it is feasible to estimate monthly mean tropospheric ozone columns over the tropics. The focus of this thesis was to create an improved CCD-IUP algorithm and to study variability and trends of the unique long-term record (1996-2015) on a regional and tropical scale. A detailed uncertainty analysis of the CCD-IUP algorithm has been performed along with a study upon the trend uncertainties from merging the datasets. Finally, the influence of ENSO on tropospheric ozone and the origin of its anomalies due to dynamics or emissions was investigated.
Keywords: Tropospheric ozone, Convective Clouds Differential technique, Tropics, GOME, GOME-2, SCIAMACHY, trends, variability
Issue Date: 17-Nov-2017
Type: Dissertation
URN: urn:nbn:de:gbv:46-00106217-14
Institution: Universität Bremen 
Faculty: FB1 Physik/Elektrotechnik 
Appears in Collections:Dissertationen

  

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