Reconstruction of the sedimentary history offshore NW Africa [Elektronische Ressource] : application of core-logging tools / vorgelegt von Holger Kuhlmann

Reconstruction of the sedimentary history offshore NW Africa: Application of core-logging tools Dissertation zur Erlangung des Doktorgrades am Fachbereich Geowissenschaften der Universität Bremen vorgelegt von Holger Kuhlmann Bremen, November 2003 Tag des Kolloquiums: 10. Februar 2004 Gutachter: Prof. Dr. Gerold Wefer Prof. Dr. Gerhard Bohrmann Prüfer: Prof. Dr. Katrin Huhn Prof. Dr. Jörn Peckmann Contents i Table of contents Abstract 1 Zusamenfasung 3 1. Introduction 5 1.1 Investigation area 5 1.1.1 Geographical setting 5 1.1.2 Atmospheric circulation 9 1.1.3 Oceanographic setting 10 1.1.4 Modern climate 11 1.1.5 Paleoclimate 12 1.2 Material 13 2. Motivation, Objectives and Research 15 2.1 XRF Core Scanner measurements 2.2 Sediment accumulation 15 2.3 Supply of lithogenic material to the marine sediments 16 2.4 High- resolution Holocene implications 17 2.5 Further articles 18 3. Evaluation of XRF Core Scanner measurements (Preface) 19 3.1 Introduction 19 3.2 Methods 19 3.2.1 Multi-Sensor Core Logger and GEOSCAN II camera 19 3.2.2 X-ray fluorescence Core Scanner 20 3.3 Effects of physical sediment properties on XRF Core Scanner data accuracy 23 3.4 Influence of different pore space filling 24 3.