Retrieval of stratospheric aerosol characteristics from spaceborne limb sounders
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Other Titles: | Ableitung von den Charakteristiken des stratospherischen Aerosols von Weltraummessungen in Limbgeometrie | Authors: | Malinina, Elizaveta | Supervisor: | Burrows, John | 1. Expert: | Burrows, John | Experts: | Höpfner, Michael | Abstract: | In this thesis, the methods to retrieve aerosol extinction coefficient (Ext) and particle size distribution (PSD) parameters from the remote sensing instruments measuring in the limb-viewing geometry are presented. The Ext retrieval algorithm is applied for SCIAMACHY instrument as well as for OMPS measurements. These products compose global stratospheric aerosol databases, which are covering over 16 years. Additionally, the aerosol PSD parameters are retrieved in the tropical region (20AAdegreeN-20AAdegreeS) from SCIAMACHY limb measurements, creating a unique product. Both, Ext and PSD products were validated through comparison with other space-borne and in situ measurements, showing good and consistent results. In the thesis, the case studies analyzing changes in Ext and PSD parameters after volcanic eruptions of Manam and Tavurvur are presented. Additionally, the evolution of Ext after eruptions of Sarychev Peak and Kelut as well as after Canadian Wildfires of 2017 is analyzed. |
Keywords: | stratospheric aerosol; remote sensing; retrieval; startosphere; volcanoes | Issue Date: | 26-Mar-2019 | Type: | Dissertation | Secondary publication: | no | URN: | urn:nbn:de:gbv:46-00107153-12 | Institution: | Universität Bremen | Faculty: | Fachbereich 01: Physik/Elektrotechnik (FB 01) |
Appears in Collections: | Dissertationen |
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