Study of dust aerosol – climate interactions using a regional climate model

Abstract

This PhD dissertation investigates various dust-climate intertwined processes using a regional climate model (RegCM4) that includes a detailed online dust production-transport-deposition scheme. The evaluation of the model is conducted using numerous ground-based gridded observational, satellite-derived and re-analysis datasets such as LIVAS, CRU, ERA-interim, CERES, TRMM and CMSAF. In the first one an encyclopedic description of dust related processes (emission, transport, deposition) is given followed by an analytical description of the online dust scheme of RegCM4. The second chapter describes the observational and modeling datasets used. In the third chapter the sensitivity of dust bin size discretization in the regional climate model RegCM4 for the period 2007-2014 over the Sahara and the Mediterranean is investigated. Two discretization methods of the dust size distribution are applied, keeping the total mass constant: 1) the default RegCM4 4-bin approach, where the size range of ...
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DOI
10.12681/eadd/41781
Handle URL
http://hdl.handle.net/10442/hedi/41781
ND
41781
Alternative title
Μελέτη των αλληλεπιδράσεων σωματιδίων σκόνης - κλίματος με τη χρήση ενός κλιματικού μοντέλου περιοχής
Author
Tsikerdekis, Athanasios (Father's name: Dimitrios)
Date
2017
Degree Grantor
Aristotle University Of Thessaloniki (AUTH)
Committee members
Ζάνης Πρόδρομος
Καρακώστας Θεόδωρος
Κατράγκου Ελένη
Πυθαρούλης Ιωάννης
Μελάς Δημήτριος
Χατζηαναστασίου Νίκος
Αμοιρίδης Βασίλειος
Discipline
Natural SciencesEarth and Related Environmental Sciences
Keywords
Aerosol dust; Dust-climate interactions; Regional climate model; Climate change; Aerosol size distribution; Aerosol effects on solar radiation
Country
Greece
Language
English
Description
ix, 176 σ., im., tbls., maps, fig., ch.
Rights and terms of use
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