SYNTHESIS OF RESULTS FROM SCIENTIFIC DRILLING IN THE INDIAN OCEAN

By SOPHIA MILLER

CONTENTS GENERAL INTRODUCTION BACKGROUND CLIMATE CHANGE AND ITS IMPACTS ON TERRESTRIAL ECOSYSTEMS TREE-RING-BASED CLIMATE RECONSTRUCTIONS UNBIASED CLIMATE RECONSTRUCTIONS AND THE IMPACT OF DEFOLIATORS DENDROMETERS FOR STUDYING TREE RESPONSE TO SHORT-TERM ENVIRONMENTAL CHANGES COMBINING DENDROMETER DATA AND CLIMATE MODELS FOR FUTURE GROWTH PREDICTION OBJECTIVES HYPOTHESES GENERAL METHODOLOGY TREE CORE SAMPLE COLLECTION AND PROCESSING TREE-RING CHRONOLOGY BUILDING REMOVING THE EFFECTS OF INSECT OUTBREAKS FROM THE MASTER CHRONOLOGY ESTABLISHMENT OF CLIMATE-GROWTH RELATIONSHIPS RECONSTRUCTING PAST CLIMATE VARIABILITY ACQUISITION OF DENDROMETER DATA METHODS FOR THE SYNTHESIS CHAPTER PAST SPRING TEMPERATURE OF WESTERN NEPAL HIMALAYA INTRODUCTION METHODS STUDY SITE AND CLIMATE CONDITIONS SAMPLE PREPARATION, RING-WIDTH MEASUREMENT, AND DEVELOPMENT OF CHRONOLOGY CLIMATE-GROWTH ANALYSIS AND CLIMATE RECONSTRUCTION RESULTS RING WIDTH CHRONOLOGY RELATIONSHIP BETWEEN RADIAL TREE GROWTH AND CLIMATE SPRING TEMPERATURE RECONSTRUCTION SPATIAL COVERAGE AND TELECONNECTIONS OF THE RECONSTRUCTED TEMPERATURE SERIES DISCUSSION CHARACTERISTICS OF THE TIMANG T DUMOSA CHRONOLOGY LONG-TERM TREND IN SPRING TEMPERATURE AND TELECONNECTIONS CONCLUSIONS ACKNOWLEDGEMENT EFFECT OF INSECT OUTBREAK ON CLIMATE RECONSTRUCTION INTODUCTION MATERIAL AND METHODS SAMPLE COLLECTION AND PREPARATION REMOVAL OF THE LARCH BUDMOTH (LBM) EFFECT IN THE TREE-RING WIDTH (TRW) SERIES CLIMATE-PROXY RELATIONSHIP AND CLIMATE RECONSTRUCTION SPATIAL CORRELATION AND TELECONNECTION OF RECONSTRUCTION CONCLUSIONS AND RECOMMENDATIONS FUNDING ACKNOWLEDGEMENTS “DENDROANALYST”: A TOOL FOR PROCESSING AND ANALYSING DENDROME- TER DATA PACKAGE FUNCTIONALITY DATASET PREPARATION DATA PROCESSING DAILY APPROACH STEM-CYCLE APPROACH ZERO-GROWTH APPROACH ADDITIONAL FUNCTIONS FOR GROWTH-CLIMATE ANALYSES ILLUSTRATED EXAMPLE AVAILABILITY PERSPECTIVES ACKNOWLEDGMENTS INTRAGRO: AN APPROACH TO PREDICT FUTURE TREES GROWTH UNDER CLIMATE CHANGE STUDY AREA AND SPECIES DESCRIPTION ANALYTICAL STEPS OF INTRAGRO APPROACH CLUSTERING OF DAILY GROWTH PATTERNS CLASSIFICATION OF DAILY CLIMATE WITH THE OBSERVED DAILY GROWTH PATTERN CHANGE OF DAILY GROWTH PATTERNS UNDER CLIMATE CHANGE SCENARIOS RELATIONSHIPS BETWEEN THE NUMBER OF CLUSTERS AND RADIAL TREE GROWTH COMPARISON OF OBSERVED AND MODELLED INTRA-ANNUAL GROWTH PATTERNS AUTHORS CONTRIBUTION DATA AVAILABILITY STATEMENT GENERAL DISCUSSION AND CONCLUSION DISCUSSIONS COMPARISON OF TRW CHRONOLOGIES COMPARISON OF LOCAL CLIMATE RECONSTRUCTIONS USE OF DENDROMETERS TO UNDERSTAND THE INTRA-ANNUAL GROWTH DISCUSSION ON THE INTRAGRO APPROACH CONCLUSIONS AND OUTLOOK