Verfügbarkeit: Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions

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Bibliographische Detailangaben
Beteilige Person:	Gebhardt, Christoph (VerfasserIn)
Format:	Hochschulschrift/Dissertation Buch
Sprache:	Englisch
Veröffentlicht:	Sankt Augustin Asgard-Verl. 2003
Schriftenreihe:	Bonner meteorologische Abhandlungen 60
Schlagwörter:	Mathematisches Modell Calculus of variations Paleobotany > Quaternary Paleobotany > Europe Paleoclimatology > Quaternary Paleoclimatology > Europe > Mathematical models Paleothermometry > Europe > Mathematical models Bodennahe Luftschicht Temperaturfeld Eem-Interglazial Paläobotanik Europa Hochschulschrift
Links:	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010582367&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
Beschreibung:	Zsfassung in dt. Sprache. - Zugl.: Bonn, Univ., Diss., 2003
Umfang:	VIII, 204 S. graph. Darst., Kt. : 30 cm
ISBN:	3537878605

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Datensatz im Suchindex

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adam_text	BONNER METEOROLOGISCHE ABHANDLUNGEN HEFT 60 (2003) (ISSN 0006-7156) HERAUSGEBER: ANDREAS HENSE CHRISTOPH GEBHARDT VARIATIONAL RECONSTRUCTION OF QUATERNARY TEMPERATURE FIELDS USING MIXTURE MODELS AS BOTANICAL - CLIMATOLOGICAL TRANSFER FUNCTIONS SUB GOTTINGEN 212 194 02X LJASGARDVERLAG CONTENTS 1 INTRODUCTION 1 2 TRANSFER FUNCTIONS AND RECONSTRUCTION APPROACHES 4 2.1 TRANSFER FUNCTIONS AND BASIC ASSUMPTIONS 4 2.2 THE CLIMATIC INDICATOR SPECIES METHOD 6 2.3 ASSEMBLAGE APPROACHES 8 3 DATA 11 3.1 CLIMATOLOGICAL DATA 11 3.2 CHOROLOGICAL DATA 13 3.3 GEOBOTANICAL DISTRIBUTION AND CLIMATE 16 3.4 PALAEOBOTANICAL DATA 20 4 STATISTICAL TRANSFER FUNCTION 26 4.1 CONCEPT OF BAYESIAN STATISTICS AND RELATED DEFINITIONS 26 4.2 THE PD/-METHOD 28 4.3 PRETREATMENT OF THE CLIMATOLOGICAL DATA 31 4.4 ESTIMATOR FUNCTIONS FOR PDF{K A{) 35 4.4.1 GENERAL CONSIDERATIONS 35 4.4.2 KERNEL DENSITY ESTIMATION 37 4.4.3 NORMAL DISTRIBUTION 40 4.4.4 MIXTURE MODELS 41 4.5 ESTIMATED TRANSFER FUNCTIONS 44 4.5.1 KERNEL DENSITY MEETS NORMAL DISTRIBUTION 45 4.5.2 MIXTURE MODEL MEETS KERNEL DENSITY 56 4.5.3 SUMMARY 66 V VI CONTENTS 5 LOCAL RECONSTRUCTION 69 5.1 COMBINATION OF CONDITIONAL PDFS 69 5.2 PRESELECTION OF DISSIMILAR TAXA 72 5.3 COMPARISON OF RECONSTRUCTION RESULTS 74 5.3.1 GENERAL ASPECTS 74 5.3.2 RECONSTRUCTION OF MODERN TEMPERATURES 79 5.3.3 RECONSTRUCTION OF EEMIAN TEMPERATURES 84 6 RECONSTRUCTION OF TEMPERATURE FIELDS 92 6.1 GENERAL CONCEPT 92 6.2 THE VARIATIONAL ANALYSIS IN CONTINUOUS SPACE 96 6.2.1 INTRODUCTORY REMARKS 96 6.2.2 THE VEGETATIONAL COSTS 97 6.2.3 AN ADVECTION-DIFFUSION MODEL AS CONSTRAINT 102 6.2.4 THE CONTINUOUS EULER-LAGRANGE EQUATIONS 105 6.3 THE DISCRETIZATION OF THE VARIATIONAL ANALYSIS 107 6.3.1 THE RECONSTRUCTION AREA Q * 108 6.3.2 THE DISCRETIZATION OF THE VEGETATIONAL COSTS 110 6.3.3 THE DISCRETIZATION OF THE MODEL COSTS 112 6.3.4 SINGULAR VALUE DECOMPOSITION OF THE MODEL OPERATOR 117 6.3.5 THE HESSIAN MATRIX AND THE ANALYSIS ERROR COVARIANCE 121 6.3.6 A REFERENCE VALUE FOR J M 123 6.4 RECONSTRUCTION OF MODERN TEMPERATURE FIELDS 125 6.4.1 RECONSTRUCTION RESULTS AND THE NUMBER OF SINGULAR MODES 125 6.4.2 EIGENSTRUCTURE OF S R 132 6.4.3 THE ALPINE AND SCANDINAVIAN RESULTS 137 6.5 RECONSTRUCTION FOR THE CORYLUS -PHASE 139 6.5.1 RECONSTRUCTION RESULTS 139 6.5.2 EIGENSTRUCTURE OF ^R,PAZ4A 145 6.5.3 SITE-RELATED VEGETATIONAL COSTS FOR PAZ 4A 147 6.5.4 MODEL COSTS FOR PAZ 4A 150 6.6 RECONSTRUCTION FOR THE CARPINUS -PHASE 152 6.6.1 RECONSTRUCTION RESULTS 153 6.6.2 EIGENSTRUCTURE OF ^R T PAZ5 158 6.6.3 SITE-RELATED VEGETATIONAL COSTS FOR PAZ 5 159 6.6.4 MODEL COSTS FOR PAZ 5 162 6.7 COMPARISON OF THE CORYLUS- AND THE CARPINUS -PHASE 163 CONTENTS VII 7 SUMMARY AND SUGGESTIONS FOR FUTURE WORK 166 7.1 SUMMARY 166 7.2 SUGGESTIONS FOR FUTURE WORK 170 A TABLES 173 B DISCRETIZATION OF DIFFERENTIAL OPERATORS 181 C A NORM FOR REAL SYMMETRIC MATRICES 185 D LIST OF SYMBOLS AND ACRONYMS 187 BIBLIOGRAPHY 190
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spellingShingle	Gebhardt, Christoph Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions Bonner meteorologische Abhandlungen Mathematisches Modell Calculus of variations Paleobotany Quaternary Paleobotany Europe Paleoclimatology Quaternary Paleoclimatology Europe Mathematical models Paleothermometry Europe Mathematical models Mathematisches Modell (DE-588)4114528-8 gnd Bodennahe Luftschicht (DE-588)4146155-1 gnd Temperaturfeld (DE-588)4443931-3 gnd Eem-Interglazial (DE-588)4124807-7 gnd Paläobotanik (DE-588)4044361-9 gnd
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title	Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions
title_auth	Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions
title_exact_search	Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions
title_full	Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions Christoph Gebhardt
title_fullStr	Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions Christoph Gebhardt
title_full_unstemmed	Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions Christoph Gebhardt
title_short	Variational reconstruction of quaternary temperature fields using mixture models as botanical-climatological transfer functions
title_sort	variational reconstruction of quaternary temperature fields using mixture models as botanical climatological transfer functions
topic	Mathematisches Modell Calculus of variations Paleobotany Quaternary Paleobotany Europe Paleoclimatology Quaternary Paleoclimatology Europe Mathematical models Paleothermometry Europe Mathematical models Mathematisches Modell (DE-588)4114528-8 gnd Bodennahe Luftschicht (DE-588)4146155-1 gnd Temperaturfeld (DE-588)4443931-3 gnd Eem-Interglazial (DE-588)4124807-7 gnd Paläobotanik (DE-588)4044361-9 gnd
topic_facet	Mathematisches Modell Calculus of variations Paleobotany Quaternary Paleobotany Europe Paleoclimatology Quaternary Paleoclimatology Europe Mathematical models Paleothermometry Europe Mathematical models Bodennahe Luftschicht Temperaturfeld Eem-Interglazial Paläobotanik Europa Hochschulschrift
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010582367&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
volume_link	(DE-604)BV000002255
work_keys_str_mv	AT gebhardtchristoph variationalreconstructionofquaternarytemperaturefieldsusingmixturemodelsasbotanicalclimatologicaltransferfunctions

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