Late miocene climate modelling with ECHAM4/ML [Elektronische Ressource] : the effects of the palaeovegetation on the Tortonian climate / vorgelegt von Arne Micheels

LATE MIOCENE CLIMATE MODELLING WITH ECHAM4/ML –THE EFFECTS OF THE PALAEOVEGETATION ON THE TORTONIAN CLIMATEDissertationzur Erlangung des Grades eines Doktors der Naturwissenschaftender Geowissenschaftlichen Fakultätder Eberhard-Karls Universität Tübingenvorgelegt vonArne Micheelsaus der Freien und Hansestadt Hamburg2003Tag der mündlichen Prüfung: 10.12.2003Dekan: Prof. Dr. Dr. h.c. M. Satir1. Berichterstatter: Prof. Dr. V. Mosbrugger2. Berichterstatter: Prof. Dr. C. HemlebenLATE MIOCENE CLIMATE MODELLING WITH ECHAM4/MLTable of contentsZ USAMMENFASSUNG iA BSTRACT iii1 INTRODUCTION 12 TORTONIAN REFERENCE SIMULATIONS WITH ECHAM4/ML 52.1 The model ECHAM4/ML 52.2 The Standard Tortonian run 62.2.1 The model setup of the Standard Tortonian run 62.2.2 Results of the Standard Tortonian run 82.2.3 Verification of the Standard T 11122.3 The 2 ×CO Tortonian run22.3.1 The model setup of the 2 ×CO Tortonian run 1222.3.2 Results of the 2 ×CO Tortonian run 1222.3.3 The comparison of model results and quantitative terrestrial proxy data 162.3.4 Verification of the 2 ×CO Tortonian run 1923 THE RECONSTRUCTION OF THE TORTONIAN VEGETATION 233.1 The method 233.2 The resulting Tortonian vegetation 274 THE PALVEG TORTONIAN RUN WITH ECHAM4/ML 274.1 The model setup 294.2 Model results of the PalVeg Tortonian run as compared to theStandard Tortonian run 294.2.1 The global average temperature, precipitation and sea ice 314.2.2 The zonal average temperature 334.