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  • 1
    Signatur: ZSP-180-B37
    In: Berichte aus dem Zentrum für Meeres- und Klimaforschung
    Materialart: Monographie ausleihbar
    Seiten: 60 S. : graph. Darst., Kt.
    ISSN: 0947-7136
    Serie: Berichte aus dem Zentrum für Meeres- und Klimaforschung : Reihe B, Ozeanographie 37
    Sprache: Englisch
    Standort: AWI Lesesaal
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  • 2
    Signatur: ZS-272(78) ; AWI A13-02-0066
    In: Zürcher Klima-Schriften, Heft 78
    Materialart: Schriftenreihen ausleihbar
    Seiten: xiii, 242 Seiten , Illustrationen
    ISBN: 3906148262
    Serie: Zürcher Klima-Schriften 78
    Sprache: Englisch
    Anmerkung: Zugleich.: Dissertation, Technische Hochschule Zürich, 1999 , Contents: Acknowledgement. - Abstract. - Zusammenfassung. - 1 Introduction. - 1.1 Objectives of this study. - 1.2 Previous woik on sensitivity. - 1.3 Definition and measurement of surface albedo. - 1.4 Main characteristics of surface albedo. - 1.5 The importance of albedo in the climate system. - 2 Observational data. - 2. L Global data. - 2.2 ln-situ snow cover observation. - 3 Validation of ECHAM4. - 3.1 Introduction. - 3.2 Precipitation. - 3.3 Surface temperature. - 3.4 Snow water equivalent. - 3.5 Surface albedo. - 4 Assessment of the ECHAM and EM land surface schemes in an off-line mode. - 4.1 Introduction. - 4.2 Comparison of the land surface schemes of ECHAM and EM. - 4.2.1 Soil temperature and soil heat flux. - 4.2.2 Soil hydrology. - 4.2.3 Prediction of surface albedo and snow processes. - 4.2.4 Parameterization of water vapour fluxes. - 4.2.5 Parameterization of boundary layer transport. - 4.3 Comparison of the sensitivities of ECHAM and EM. - 4.3.1 Control simulations. - 4.3.2 Sensitivity to the roughness length. - 4.3.3 Sensitivity to the leaf area index. - 4.3.4 Sensitivity to the vegetation ratio. - 4.3.5 Sensitivity to the background surface albedo. - 4.3.6 Sensitivity to the snow albedo. - 4.3.7 Sensitivity to the maximum soil water content. - 4.4 Assessment of the surface climate in ECHAM and EM. - 4.5 Diurnal cycles of surface variables in the ECHAM and EM control experiments. - 4.6 Comparison of the ECHAM- and EM-parameterizations with other parameterization formulae. - 4.6.1 Bare soil evaporation. - 4.6.2 Stability function. - 4.7 Comparison of the ECHAM3 and ECHAM4 land surface schemes. - 4.8 Comparison between off-line model simulation with Russian sites. - 4.9 Summary and conclusions. - 5 3-dimensional ECHAM4 simulations. - 5.1 EXP1: Snow cover fraction deduced from global datasets. - 5.1.1 Overview of modifications. - 5.1.2 Parameterization of snow cover fraction. - 5.1.3 Derivation of a snow cover expression using satellite data. - 5.1.4 Results from the 3-D experiment. - 5.2 EXP2: Snow cover fraction formula as implemented in the Météo-France climate model. - 5.2.1 Overview of modifications. - 5.2.2 Results from the 3-D experiment. - 5.3 EXP3: Polynomial temperature dependence of snow albedo. - 5.3.1 Overview of modifications. - 5.3.2 Polynomial relationship between temperature and snow albedo. - 5.3.3 Results from the 3-D experiment. - 5.4 EXP4: Splitting of the total surface albedo into its VIS- and NIR-component. - 5.4.1 Overview of modifications. - 5.4.2 Spectral albedos for snow and ice conditions. - 5.4.3 Results from the 3-D experiment. - 5.5 EXP5: Incorporation of the BATS parameterization for snow albedo. - 5.5.1 Overview of parameterizations incorporating a snow age factor. - 5.5.2 Overview of modifications. - 5.5.3 Ratio of diffuse/direct radiation. - 5.5.4 Results from the 3-D experiment. - 5.6 EXP6: Annual cycle of the LAI. - 5.6.1 Overview of modifications. - 5.6.2 Compilation of global LAI datasets. - 5.6.3 Results from the 3-D experiment. - 5.7 EXP7: Albedo of snow covered forests and a simple snow interception model. - 5.7.1 Overview of modifications. - 5.7.2 Radiation transfer canopy models. - 5.7.3 Surface albedo of snow covered canopy in CLASS. - 5.7.4 Snow interception on canopies. - 5.7.5 Results from the 3-D experiment. - 5.8 EXP8: Modification of snowflakes' melt temperature. - 5.8.1 Overview of modifications. - 5.8.2 Snow-rain criteria. - 5.8.3 Results from the 3-D experiment. - 5.9 EXP9: Dependence of surface albedo on soil moisture. - 5.9.1 Overview of modifications. - 5.9.2 Relationships between bare soil albedo and soil moisture. - 5.9.3 Results from the 3-D experiment. - 5.10 EXP 10: Incorporation of subgrid scale orography. - 5.10.1 Incorporation of subgrid scale topographic variability. - 5.10.2 Topographic dataset. - 5.10.3 Experimental setup. - 5.10.4 Results from the 3-D experiment. - 6 Conclusions. - References. - Appendix. - A.1 Abstract and Summary of Paper 1.
    Standort: Kompaktmagazin unten
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  • 3
    Monographie ausleihbar
    Monographie ausleihbar
    Berlin [u.a.] : Springer
    Signatur: 10/N 01.0413 ; AWI G2-19-51789
    Materialart: Monographie ausleihbar
    Seiten: XX, 455 Seiten , Illustrationen
    ISBN: 354066453X
    Klassifikation:
    Geochemie
    Sprache: Englisch
    Anmerkung: Table of Contents: 1 The Solid Phase of Marine Sediments / DIETER K. FÜTTERER 1.1 Introduction 1.2 Sources and Components of Marine Sediments 1.2.1 Lithogenous Sediments 1.2.2 Biogenous Sediments 1.2.3 Hydrogenous Sediments 1.3 Classification of Marine Sediments 1.3.1 Terrigenous Sediments 1.3.2 Deep-Sea Sediments 1.4 Global Patterns of Sediment Distribution 1.4.1 Distribution Patterns of Shelf Sediments 1.4.2 Distribution Patterns of Deep-Sea Sediments 1.4.3 Distribution Patterns of Glay Minerals 1.4.4 Sedimentation Rates 2 Geophysical Perspectives in Marine Sediments 2.1 Physical Properties of Marine Sediments / MONIKA BREITZKE 2.1.1 Introduction 2.1.2 Porosity and Wet Bulk Density 2.1.2.1 Analysis by Weight and Volume 2.1.2.2 Gamma Ray Attenuation 2.1.2.3 Electrical Resistivity (Galvanic Method) 2.1.2.4 Electrical Resistivity (Inductive Method) 2.1.3 Permeability 2.1.4 Acoustic and Elastic Properties 2.1.4.1 Biot-Stoll Model 2.1.4.2 Full Waveform Ultrasonic Gore Logging 2.1.5 Sediment Classification 2.1.5.1 Full Waveform Gore Logs as Acoustic Images 2.1.5.2 P-and S-Wave Velocity, Attenuation, Elastic Moduli and Permeability 2.1.6 Sediment Echosounding 2.1.6.1 Synthetic Seismograms 2.1.6.2 Narrow-Beam Parasound Echosounder Recordings 2.2 Sedimentary Magnetism / ULRICH BLEIL 2.2.1 Introduction 2.2.2 Biogenie Magnetic Minerals in Marine Sediments 2.2.3 Reduction Diagenesis of Magnetic Minerals in Marine Environments 3 Quantification of Early Diagenesis: Dissolved Constituents in Marine Pore Water / HORST D. SCHULZ 3.1 Introduction: How to Read Pore Water Concentration Profiles 3.2 Calculation of Diffusive Fluxes and Diagenetic Reaction Rates 3.2.1 Steady State and Non-Steady State Situations 3.2.2 The Steady State Situation and Fick's First Law of Diffusion 3.2.3 Quantitative Evaluation of Steady State Concentration Profiles 3.2.4 The Non-Steady State Situation and Fick's Second Law of Diffusion 3.2.5 The Primary Redox-Reactions: Degradation of Organic Matter 3.3 Sampling of Pore Water for Ex-Situ Measurements 3.3.1 Obtaining Sampies of Sediment for the Analysis of Pore Water 3.3.2 Pore Water Extraction from the Sediment 3.3.3 Storage, Transport and Preservation of Pore Water 3.4 Analyzing Constituents in Pore Water, Typical Profiles 3.5 In-Situ Measurements 3.6 Influence of Bioturbation, Bioirrigation, and Advection 4 Organic Matter: The Driving Force for Early Diagenesis / JÜRGEN RULLKÖTTER 4.1 The Organic Carbon Cycle 4.2 Organic Matter Accumulation in Sediments 4.2.1 Productivity Versus Preservation 4.2.2 Primary Production of Organic Matter and Export to the Ocean Bottom 4.2.3 Transport of Organic Matter through the Water Column 4.2.4 The Influence of Sedimentation Rate on Organic Matter Burial 4.2.5 Allochthonous Organic Matter in Marine Sediments 4.3 Early Diagenesis 4.3.1 The Organic Carbon Content of Marine Sediments 4.3.2 Chemical Composition of Biomass 4.3.3 The Principle of Selective Preservation 4.3.4 The Formation of Fossil Organic Matter and its Bulk Composition 4.3.5 Early Diagenesis at the Molecular Level 4.3.6 Biological Markers (Molecular Fossils) 4.4 Organic Geochemical Proxies 4.4.1 Total Organic Carbon and Sulfur 4.4.2 Marine Versus Terrigenous Organic Matter 4.4.3 Molecular Paleo-Seawater Temperature and Climate Indicators 4.5 Analytical Techniques 4.5.1 Sam pie Requirements 4.5.2 Elemental and Bulk Isotope Analysis 4.5.3 Rock-Eval Pyrolysis and Pyrolysis Gas Chromatography 4.5.4 Organic Petrography 4.5.5 Bitumen Analysis 4.6 The Future of Marine Geochemistry of Organic Matter 5 Bacteria and Marine Biogeochemistry / Bo BARKER JORGENSEN 5.1 Role of Microorganisms 5.1.1 From Geochemistry to Microbiology - and back 5.1.2 Approaches in Marine Biogeochemistry 5.2 Life and Environments at Small Scale 5.2.1 Hydrodynamics of Low Reynolds Numbers 5.2.2 Diffusion at Small Scale 5.2.3 Diffusive Boundary Layers 5.3 Regulation and Limits of Microbial Processes 5.3.1 Substrate Uptake by Microorganisms 5.3.2 Temperature as a Regulating Factor 5.3.3 Other Regulating Factors 5.4 Energy Metabolism of Prokaryotes 5.4.1 Free Energy 5.4.2 Reduction-Oxidation Processes 5.4.3 Relations to Oxygen 5.4.4 Definitions of Energy Metabolism 5.4.5 Energy Metabolism of Microorganisms 5.4.6 Chemolithotrophs 5.4.7 Respiration and Fermentation 5.5 Pathways of Organic Matter Degradation 5.5.1 Depolymerization of Macromolecules 5.5.2 Aerobic and Anaerobic Mineralization 5.5.3 Depth Zonation of Oxidants 5.6 Methods in Biogeochemistry 5.6.1 Incubation Experiments 5.6.2 Radioactive Tracers 5.6.3 Example: Sulfate Reduction 5.6.4 Specific Inhibitors 5.6.5 Other Methods 6 Early Diagenesis at the Benthic Boundary Layer: Oxygen and Nitrate in Marine Sediments / CHRISTIAN HENSEN AND MATTHIAS ZABEL 6.1 Introduction 6.2 Oxygen and Nitrate Distribution in Seawater 6.3 The Role of Oxygen and Nitrate in Marine Sediments 6.3.1 Respiration and Redox Processes 6.3.1.1 Nitrification and Denitrification 6.3.1.2 Coupling of Oxygen and Nitrate to other Redox Pathways 6.3.2 Determination of Consumption Rates and Senthic Fluxes 6.3.2.1 Fluxes and Concentration Profiles Determined by In-Situ Devices 6.3.2.2 Ex-Situ Pore Water Data from Deep-Sea Sediments 6.3.2.3 Determination of Denitrification Rates 6.3.3 Oxic Respiration, Nitrification and Denitrification in Different Marine Environments 6.3.3.1 Quantification of Rates and Fluxes 6.3.3.2 Variation in Different Marine Environments: Case Studies 6.4 Summary 7 The Reactivity of Iron / RALF R. HAESE 7.1 Introduction 7.2 Pathways of Iron Input to Marine Sediments 7.2.1 Fluvial Input 7.2.2 Aeolian Input 7.3 Iron as a Limiting Nutrient for Primary Productivity 7.4 The Early Diagenesis of Iron in Sediments 7.4.1 Dissimilatary Iran Reductian 7.4.2 Solid Phase Ferric Iron and its Bioavailability 7.4.2.1 Properties of Iron Oxides 7.4.2.2 Bioavailability of Iron Oxides 7.4.2.3 Bioavailability of Sheet Silicate Sound Ferric lron 7.4.3 Iron and Manganese Redax Cycles 7.4.4 Iron Reactivity towards S, O2, Mn, NO3, P, HCO3, and Si-AI 7.4.4.1 lron Reduction by HS and Ligands 7.4.4.2 Iron Oxidation by O2, NO3, and Mn4+ 7.4.4.3 Iron-Sound Phosphorus 7.4.4.4 The Formation of Siderite 7.4.4.5 The Formation of lron Searing Aluminosilicates 7.4.5 Discussion: The Importance of Fe-and Mn-Reactivity in Various Enyironments 7.5 The Assay for Ferric and Ferrous Iron 8 Sulfate Reduction in Marine Sediments / SABINE KASTEN AND BO BARKER JØRGENSEN 8.1 Introduction 8.2 Sulfate Reduction and the Degradation of Organic Matter 8.3 Biotic and Abiotic Processes Coupled to Sulfate Reduction 8.3.1 Pyrite Formation 8.3.2 Effects of Sulfate Reduction on Sedimentary Solid Phases 8.4 Determination of Sulfate Reduction Rates 9 Marine Carbonates: Their Formation and Destruction / RALPH R. SCHNEIDER, HORST D. SCHULZ AND CHRISTIAN HENSEN 9.1 Introduction 9.2 Marine Environments of Carbonate Production and Accumulation 9.2.1 Shallow-Water Carbonates 9.2.2 Pelagic Calcareous Sediments 9.3 The Calcite-Carbonate-Equilibrium in Marine Aquatic Systems 9.3.1 Primary Reactions of the Calcite-Carbonate-Equilibrium with Atmospheric Contact in Infinitely Diluted Solutions 9.3.2 Primary Reactions of the Calcite-Carbonate-Equilibrium without Atmospheric Contact 9.3.3 Secondary Reactions of the Calcite-Carbonate-Equilibrium in Seawater 9.3.4 Examples for Calculation of the Calcite-Carbonate-Equilibrium in Ocean Waters 9.4 Carbonate Reservoir Sizes and Fluxes between Particulate and Dissolved Reservoirs 9.4.1 Production Versus Dissolution of Pelagic Carbonates 9.4.2 Inorganic and Organic Carbon Release trom Deep-Sea Sediments 10 Influences of Geochemical Processes on Stable Isotope Distribution in Marine Sediments / TORSTEN SICKERT 10.1 Introduction 10.2 Fundamentals 10.2.1 Principles of Isotopic Fractionation 10.2.2 Analytical Procedures 10.3 Geochemicallnfluences on 18O/16O Ratios 10.3.1 δ18O of Seawater 10.3.2 δ18O in Marine Carbonates 10.4 Geochemical Influences on 13C/12C Ratios 10.4.1
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  • 4
    Monographie ausleihbar
    Monographie ausleihbar
    Amsterdam [u.a.] : Elsevier
    Signatur: M 01.0275 ; M 02.0279 ; PIK N 454-99-0015 ; AWI G6-01-0087
    Materialart: Monographie ausleihbar
    Seiten: xxix, 872 S.
    Ausgabe: 1. ed., 2nd impr.
    ISBN: 044450155X
    Klassifikation:
    Geochemie
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Standort: A 18 - Bitte bestellen
    Standort: AWI Lesesaal
    Zweigbibliothek: GFZ Bibliothek
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  • 5
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Dazugehörige Bände
    Signatur: ZSP-168-360
    In: Berichte zur Polarforschung
    Materialart: Schriftenreihen ausleihbar
    Seiten: 141 S. : Ill., graph. Darst., Kt.
    Serie: Berichte zur Polarforschung 360
    Sprache: Englisch
    Standort: AWI Lesesaal
    Zweigbibliothek: AWI Bibliothek
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  • 6
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Dazugehörige Bände
    Signatur: ZS-090(358) ; ZSP-168-358
    In: Berichte zur Polarforschung
    Materialart: Schriftenreihen ausleihbar
    Seiten: VIII, 93 S. : Ill., graph. Darst., Kt.
    Serie: Berichte zur Polarforschung 358
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Standort: AWI Lesesaal
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  • 7
    Signatur: ZS-090(361) ; ZSP-168-361
    In: Berichte zur Polarforschung
    Materialart: Schriftenreihen ausleihbar
    Seiten: 100 S. S...
    Serie: Berichte zur Polarforschung 361
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Standort: AWI Lesesaal
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  • 8
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Dazugehörige Bände
    Signatur: ZSP-168-359
    In: Berichte zur Polarforschung
    Materialart: Schriftenreihen ausleihbar
    Seiten: 109 S. : graph. Darst., Kt.
    Serie: Berichte zur Polarforschung 359
    Sprache: Englisch
    Standort: AWI Lesesaal
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  • 9
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Dazugehörige Bände
    Signatur: ZS-090(350) ; ZSP-168-350
    In: Berichte zur Polarforschung
    Materialart: Schriftenreihen ausleihbar
    Seiten: 63 S.
    Serie: Berichte zur Polarforschung 350
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Standort: AWI Lesesaal
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  • 10
    Signatur: ZS-074(2) ; AWI G2-18-52253
    In: IGBP science
    Materialart: Schriftenreihen ausleihbar
    Seiten: 32 Seiten , Illustrationen
    Serie: IGBP science 2
    Sprache: Englisch
    Anmerkung: Contents: Foreword. - Science Highlights. - Why Study the Oceans?. - The Role of the Ocean in the Global Carbon Cycle. - The physical and biological pumps. - The “breathing of the oceans”. - Human perturbations to ocean CO2 uptake. - Detecting the human signal in the ocean. - Will the oceans continue to absorb anthropogenic CO2?. - The Components of the Ocean Carbon Cycle. - Measuring global primary production. - Factors that affect the strength of the biological pump. - Quantifying the magnitude of the biological pump. - Fluxes reaching the deep sea. - Assessing Changes Over Time. - Increasing CO2 content in the upper ocean. - Changes in community structure. - Models and Predictions. - Modelling chlorophyll and nitrate in the water column. - Models of the global carbon cycle. - The way forward. - Challenges For the Future. - About JGOFS.
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  • 11
    Monographie ausleihbar
    Monographie ausleihbar
    Berlin : Springer
    Signatur: PIK M 311-01-0581 ; AWI A13-00-0040
    Beschreibung / Inhaltsverzeichnis: The author describes the stochastic (probabilistic) approach to the study of changes in the climate system. Climatic data and theoretical considerations suggest that a large part of climatic variation/variability has a random nature and can be analyzed using the theory of stochastic processes. This work summarizes the results of processing existing records of climatic parameters as well as appropriate theories: from the theory of random processes (based on the results of Kolmogorov and Yaglom) and Hasselmann's "stochastic climate model theory" to recently obtained results.
    Materialart: Monographie ausleihbar
    Seiten: XIII, 282 Seiten , Illustrationen
    ISBN: 354066310X , 3-540-66310-X
    Sprache: Englisch
    Anmerkung: Contents Introduction 1 Climatic System: Data, Processes, Scales, and Deterministic Models 1.1 Main Components of the Climate System 1.1.1 "Thick" Subsystems 1.1.2 "Thin" Subsystems 1.1.3 Local and Discrete Objects 1.2 Climate Processes 1.2.1 Overview of Climate Processes 1.2.2 External Climate Mechanisms 1.2.3 Internal Mechanisms of Climatie Variations 1.2.4 Transfer-Accumulation Processes 1.3 Scales of Climatic Variability 1.3.1 Spatial Scales 1.3.2 Temporal Scales 1.4 Deterministic Climate Models 1.4.1 General Circulation Models and Coupled Models 1.4.2 Other Types of Climate Models 1.5 Observational Basis for Stochastic Climate Theory 1.5.1 Data on Variability of "Thick" Climatic Subsystems 1.5.1.1 Near-Surface Air Temperature 1.5.1.2 Other Atmospheric Variables 1.5.1.3 Sea Surface Temperature 1.5.1.4 Sea Level 1.5.1.5 lce Sheets 1.5.2 Data on Variables of Thin Earth Covers 1.5.2.1 Snow Cover 1.5.2.2 Sea lce 1.5.2.3 Vegetation Cover 1.5.3 Data on Discrete and Local Climatic Objects 1.5.3.1 River Runoff 1.5.3.2 Lakes 1.5.3.3 Mountain Glaciers 1.5.4 Conclusions on Observational Data 2 Theoretical Foundations of the Stochastic Approach to Climate Variability Studies 2.1 Basic Ideas and Principles of the Stochastic Climate Theory 2.1.1 Mathematical Models and Natural Processes 2.1.2 A Climatic Variable as a Random Variable 2.1.3 Evolution of a Climatic Variable as a Random Function 2.1.4 Stationarity of Climatic Processes 2.2 Introduction to the Theory of Random Functions with Emphasis on Climate Variability 2.2.1 Moments, Mean Value, Correlation Function 2.2.2 The Ergodicity of Climate Variability 2.2.3 Examples of Stationary Random Sequences 2.2.3.1 Uncorrelated Random Variables 2.2.3.2 Moving Averages 2.2.4 Spectral Representation of the Random Process 2.2.5 Climatic Meanings of the Spectral Distribution Function 2.2.6 Spectral Representation of Stationary Sequences 2.2.7 The Markov Sequence 2.2.8 The Discrete Wiener Process 2.2.9 Other Types of Random Functions 2.2.9.1 Autoregressive Models 2.2.9.2 Seasonal Models 2.2.9.3 Threshold Models 2.3 Estimation of Model Parameters 2.3.1 Theoretical Models and the Practice of Model Identification 2.3.2 Informational Approach to the Identification of Stochastic Models 2.3.3 Maximum Entropy Method and Autoregressive Models 2.3.4 Model Identification and Estimation of Model Parameters 2.3.5 An Example ofModel Identification and Parameter Estimation 2.3.6 Frequency Truncation Method of Normalized Spectral Estimates 2.3.7 Other Methods of Time Series Processing 2.3.7.1 Conventional Methods. Moving Average and ARMA models 2.3.7.2 "Deterministic Chaos". Other Methods of Nonlinear Analysis 2.4 Physical Basis of the Stochastic Climate Theory 2.4.1 Atmospheric Forcing ofthe Climate System 2.4.1.1 Observational Evidence 2.4.1.2 Atmospheric Model Results 2.4.1.3 Simple Nonlinear Model as Analog of Atmospheric Forcing 2.4.2 Hasselmann's Stochastic Climate Models 2.4.2.1 Hypothesis on Weather-Climate Two-Scale Separation 2.4.2.2 Classification of Climate Models 2.4.2.3 Analogies with Turbulent Fluid, Brownian Motion, and Other Physical Processes. The Central Limit Theorem 2.4.2.4 Spectra and Correlation Functions of the Stochastic Climate Models. Models Without Feedback 2.4.2.5 Models with Feedback 3 Stochastic Models of Recent Climatic Changes 3.1 Changes in Thick Climatic Subsystems 3.1.1 Local Changes 3.1.1.1 Analysis of Observational Data 3.1.1.2 Local Stochastic Dynamical Models 3.1.2 Regional, Spatially Averaged, and Two-Dimensional Patterns 3.1.2.1 20 Stochastic Patterns of Observational Data 3.1.2.2 Stochastic Dynamical Regional Models 3.1.2.3 Stochastic Models of ENSO Events 3.1.3 Globally Averaged Climate Variables 3.1.3.1 Global Water Mass Exchange. Global Mean Sea Level 3.1.3.2 Global Temperatures 3.1.3.3 "Minus Two" Law of Climatic Variability 3.1.3.4 Stochastic Dynamical Models of Global Temperatures 3.1.3.5 Local-Global Polarization Phenomenon 3.2 Variabilities of Thin Climatic Subsystems 3.2.1 Analyzed Oata 3.2.1.1 37 GHz Polarization Oifference and Related Data 3.2.1.2 Snow and Sea lce Remotely Sensed Data 3.2.1.3 Related Satellite-Based and Conventional Data on Global Air and Sea Temperatures 3.2.2 Comparison of Results for Remotely Sensed and Conventional Data 3.2.2.1 Comparison of Results on Local Scales 3.2.2.2 Globally Averaged 37 GHz Polarization Difference Data. Concentration of Carbon Dioxide in the Atmosphere 3.2.3 Results of Stochastic Analysis of Local and Regional Hydrological Changes 3.2.3.1 Results of 37 GHz PD Data Analysis for Floodable Areas 3.2.3.2 Results for 37 GHz PD Data on Vegetation Cover in Different Natural Zones 3.2.4 Results of Analysis of Global Changes in Hydrological and Related Parameters 3.2.5 Modeling the Dynamics of Thin Subsystems 3.2.6 Local-Global Polarization Phenomenon and Thin Climatic Subsystems 3.2.7 Discussion on the Global Climatic Subsystems 3.3 Changes in Local and Discrete Climatic Objects 3.3.1 Rivers and River Runoff 3.3.2 Mountain Glaciers 4 Stochastic Models for Glacial Cycles 4.1 Stochastic Analysis of Reconstructed Data on Glacial Cycles 4.1.1 Existing Paleoreconstructed Time Series 4.1.2 Results of Stochastic Analysis of the Last Deglaciation Period, 0 - 18 ka B.P. 4.1.3 Analysis of 200 - 300 ka Time Series 4.1.4 Longer Time Series. Features of Cyclicity 4.1.5 High Resolution Paleorecords 4.2 Zero-Dimensional Model of Glacial Cycles 4.2.1 Hypotheses, Assumptions, and Equations 4.2.2 Results of Numerical Experiments 4.3 Two-Dimensional Stochastic Dynamical Model of Glacial Cycles 4.3.1 Mathematical Model, Parameters, and Experiments 4.3.1.1 Computational Area 4.3.1.2 Equations and Parameters of the Model 4.3.1.3 Numerical Experiments 4.3.2 Results 4.3.2.1 Experiments Without External Forcing 4.3.2.2 Experiments With External Forcing. Globally Averaged Results 4.3.2.3 Zonally Averaged Results 4.3.2.4 Regional Results Conclusion References Index
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  • 12
    Monographie ausleihbar
    Monographie ausleihbar
    Amsterdam [u.a.] : Harwood Academic Publishers
    Signatur: AWI P5-01-0028
    Beschreibung / Inhaltsverzeichnis: By demonstrating the importance of communication between natural scientists, social scientists and local stakeholders, and in response to the tremendous challenges and opportunities facing the Arctic, this book provides a comprehensive overview of the region's rapidly changing physical and human dimensions. It is an essential resource for all Arctic researchers, particularly those developing multidisciplinary projects. Representing a state of the art overview of key areas of Arctic research by renowed specialists in the field, each chapter forms a detailed, varied and accessible account of current knowledge. Each author introduces the subject to a non-specialist readership, while retaining intellectual integrity and relevance for specialists. Overall, the richness of the material presented in this volume reflects the ecological and cultural diversity of this vast and environmentally critical part of the globe.
    Materialart: Monographie ausleihbar
    Seiten: XXXVIII, 647 Seiten , Illustrationen
    ISBN: 9058230872
    Sprache: Englisch
    Anmerkung: Contents: List of Figures. - List of Colour Illustrations. - List of Tables. - Contributors. - Foreword. - Map. - Introduction / Mark Nuttall and Terry V. Callaghan. - PART 1 THE PHYSICAL STRUCTURE AND PROCESSES OF THE ARCTIC. - 1. The geological development of the Arctic / Maurits Lindstrom. - 2. Glaciology / Martin J. Siegert and Julian A. Dowdeswell. - 3. Permafrost and hydrology / Ming-Koo Woo. - 4. Arctic oceanography, sea ice and climate / Norman Davis. - 5. Upper atmosphere physics and chemistry / Sheila Kirkwood. - 6. The weather and climate of the Arctic / Gunter Weller. - PART 2 LIFE SCIENCES IN THE ARCTIC. - 7. Marine biology: Biomass productivity distributions and their variability in the Barents and Bering Seas / Egil Sakshaug and John Walsh. - 8. Ecology of Arctic lakes and rivers / Warwick F. Vincent and John E. Hobbie. - 9. Biodiversity of terrestrial ecosystems / Nadya Matveyeva and Yuri Chernov. - 10. Arctic terrestrial ecosystems and ecosystem function / Sven Jonasson, Terry V. Callaghan, Gaius R. Shaver and Lena A. Nielsen. - 11. Arctic medical science / Bent Harvald and the late Jens Peder Hart Hansen. - 12. Physical anthropology of the Arctic / G. Richard Scott, Scott Legge, Robert W. Lane, Susan L. Steen and Steven R. Street. - PART 3 SOCIAL AND POLITICAL DIMENSIONS OF THE ARCTIC. - 13. Indigenous peoples, self-determination and the Arctic environment / Mark Nuttall. - 14. The social anthropology of the Russian Far North / Peter P. Schweitzer. - 15. Arctic geopolitics then and now / Sanjay Chaturvedi. - 16. The population of the circumpolar north / Gunnar Knapp. - 17. The political economy of renewable resource management in the Arctic / Richard A. Caulfield. - PART 4 ANTHROPOGENIC IMPACTS ON THE ARCTIC ENVIRONMENT: REGIONAL AND GLOBAL CONSEQUENCES AND POLICY RESPONSES. - 18. Integrated global change impact assessments / Manfred A. Lange. - 19. Ozone depletion and UV-B radiation / Edward De Fabo and Lars Olof Björn. - 20. Local and transboundary pollution / Lars Otto Reiersen. - 21. International co-operation in the Arctic environment / Clive Archer and David Scrivener. - 22. Indigenous peoples' organisations and Arctic environmental co-operation / Mark Nuttall. - Index.
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  • 13
    Monographie ausleihbar
    Monographie ausleihbar
    New York [u.a.] : Gordon and Breach Science Publ.
    Signatur: AWI G7-01-0009 ; AWI A3-01-0027
    Beschreibung / Inhaltsverzeichnis: Contents: Preface. - 1. The frozen oceans. - 1.1 A world of white. - 1.2 The physical structure of the polar oceans. - 1.3 The distribution of ice in the oceans. - 1.4 Mapping the frozen oceans. - 1.5 Sea ice and the history of exploration. - 2. Formation, growth and decay of sea ice. - 2.1 The structure of the ice crystal. - 2.2 The density and freezing point of sea water. - 2.3 The initial stages of ice formation. - 2.4 Crystal growth and brine rejection. - 2.5 Snow loading and meteoric ice formation. - 2.6 Summer melt processes. - 2.7 Multi-year ice. - 2.8 Formation of leads and pressure ridges. - 2.9 Ice in shallow water. - 2.10 Polynyas and their role. - 3. The thermodynamics of sea ice. - 3.1 Thermophysical properties of sea ice. - 3.2 Early models of ice growth and decay. - 3.3 The Maykut-Untersteiner Model. - 4. Ice in motion. - 4.1 The momentum balance. - 4.2 A free drift solution. - 4.3 The motion of compact ice. - 4.4 Dynamics and thermodynamics of coastal polynyas. - 4.5 Tidal ice motion. - 5. Pressure ridges and the ice thickness distribution. - 5.1 Statistical properties of sea ice cover. - 5.2 The measurement of ice thickness. - 5.3 Present knowledge of ice thickness distribution. - 5.4 Applications of the ice thickness distribution. - 6. The marginal ice zone. - 6.1 The structure of the ice margin. - 6.2 Marginal ice zones of the world. - 6.3 Wave-ice interaction and the floe size distribution. - 6.4 Ice edge bands. - 6.5 Eddies and meanders. - 6.6 Ambient noise at the ice edge. - 6.7 The odden ice tongue and Greenland sea convection. - 7. Icebergs. - 7.1 Mode of formation. - 7.2 Physical characteristics. - 7.3 Glaciological properties. - 7.4 Iceberg dynamics and drift. - 7.5 Decay mechanisms. - 7.6 Iceberg scour. - 7.7 Climatic role of icebergs. - 7.8 Icebergs as a fresh water source. - 8. Sea ice, climate and the environment. - 8.1 Sea ice and biology. - 8.2 Sea ice and environmental threats. - 8.3 Sea ice and climate. - 8.4 The future course of research on sea ice. - Further reading. - References. - Index.
    Beschreibung / Inhaltsverzeichnis: Ice in the Ocean examines sea ice and icebergs and their role in the global climate system. It is the first comprehensive textbook of its kind, and is suitable for students, pure and applied researchers, and anyone interested in the polar regions, the oceans and climate. The book deals with the nature of the polar oceans; the distribution of sea ice; the mechanisms of growth, development and decay; the thermodynamics and dynamics of sea ice; sea ice deformation and ridge-building; the role of the marginal ice zones; the characteristics of icebergs; and the part played by sea ice in the climate system and in the transport of pollutants. An extensive reference list and recommendations for further reading, and numerous illustrations, add to the usefulness of the text.
    Materialart: Monographie ausleihbar
    Seiten: X, 349 Seiten , Illustrationen
    ISBN: 9056992961
    Sprache: Englisch
    Standort: AWI Lesesaal
    Standort: AWI Lesesaal
    Zweigbibliothek: AWI Bibliothek
    Zweigbibliothek: AWI Bibliothek
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  • 14
    Signatur: AWI P1-19-92149
    In: Polar Research
    Materialart: Monographie ausleihbar
    Seiten: 142 Seiten , Illustrationen
    ISSN: 0800-0395
    Serie: Polar Research 19,1
    Sprache: Englisch
    Anmerkung: Contents: Preface / Helle V. Goldman, Bruce Forbes & Gary Kofinas. - Research planning in the face of change: the human role in reindeer/caribou systems / Gary Kofinas, Gail Osherenko, David Klein & Bruce Forbes. - Reindeer husbandry/hunting in Russia in the past, present and future / Leonid M. Baskin. - Chukotkan reindeer husbandry in the post-socialist transition / Patty A. Gray. - Nenets reindeer herders on the lower Yenisei River: traditional economy under current conditions are responses to economic change / Konstantin B. Klokov. - Reindeer pastoralism in modern Siberia: research and survival during the time of crash / Igor Krupnik. - Managing reindeer and wildlife on Alaska's Seward Peninsula / Jim Dau. - Response of reindeer and caribou to human activities / Scott A. Wolfe, Brad Griffith & Carrie A. Gray Wolfe. - High voltage transmission lines and their effect on reindeer: a research programme in progress / Eigil Reimers, Kjetil Flydal & Rune Stenseth. - Responses of West Greenland caribou to the approach of humans on foot / Peter Aastrup. - Arctic grazing systems and industrial development: can we minimize conflicts? / David R. Klein. - Regional effects of climate change on reindeer: a case study of the Muotkatunturi region in Finnish Lapland / Susan E. Lee, Malcolm C. Press, John A. Lee, Tim Ingold & Terhi Kurttila. - Reindeer in tundra ecosystems: the challenges of understanding system complexity / Feodor V. Kryazhimskii & Alexey N. Danilov. - Status, directions and priorities of reindeer husbandry research in Sweden / Öje Danell. - Need and opportunity for a North American caribou knowledge cooperative / Don Russell, Gary Kofinas & Brad Griffith. - Native reindeer herders' priorities for research / Johan Mathis Turi. - Letter from Varandei / Andrei V. Golovnev.
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  • 15
    Monographie ausleihbar
    Monographie ausleihbar
    Copenhagen : [s.n.]
    Signatur: AWI G7-19-92077
    Materialart: Monographie ausleihbar
    Seiten: 86 Seiten , Illustrationen
    Sprache: Englisch
    Anmerkung: CONTENTS: Flight plan 2001. - LC130 schedule. - NGRIP 2001 schedule. - Overview of 2001 schedule. - Quartering and buildings. - Number of field participants. - NGRIP 2001 sub programs. - SITREP. - Term of reference for the NGRIP field work. - Accidents and illness. - Mail to NGRIP participants. - Cargo shipments to Greenland. - Personnel transport 2001. - Booze and drugs. - Vacation in Greenland. - Shipping boxes. - Welcome to the NGRIP camp. - List of participants. - NGRIP documentation. - NGRIP camp load. - Kangerlussuaq and the surrounding area. - Thule Air Base, Greenland, Base Operations. - Uplift 2001. - Typical specifications for LC-130 and Twin Otter. - Useful data. - Coordination of C-130 in Kangerlussuaq. - Aviation weather reports. - Typical communication plan and frequencies used. - Phonetic alphabet. - Personal field equipment. - Operation of Thrane & Thrane STDC telex terminal. - Operation of NERA lnmarsat M terminal. - Minutes of NGRIP SC meeting. - Map of NGRIP camp (not all updated). - NGRIP inclined pit and trenches (not updated). - Map of NGRIP Region. - Map of Greenland and North Greenland. - Map of skiway and local topography. - Ice divide North of NGRIP. - Map of the magnetic declination in Greenland. - Glycol specification. - Density vs temperature of hole liquid. - Positions in Greenland, distances and directions. - List of NGRIP addresses.
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    Zweigbibliothek: AWI Bibliothek
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  • 16
    Monographie ausleihbar
    Monographie ausleihbar
    Copenhagen : [s.n.]
    Signatur: AWI G7-19-92043
    Materialart: Monographie ausleihbar
    Seiten: 132 Seiten , Illustrationen
    Sprache: Englisch
    Anmerkung: CONTENTS: Report on the 2000 activities of NGRIP Operations. - Objective. - Kangerlussuaq (Søndre Strømfjord). - Preparation of the field season. - Start of the field season. - Starting the camp. - Drilling. - Drill recovery. - Summary. - Medevac. - Acknowledgement. - Logger results. - NGRIP 2000 sub programs. - Automatic weather stations. - GLA TIS, seismic program. - 2000 Field Season, Diary. - Communication. - Schedule for camp close down. - Maintenance/Logistics after the season. - Bulk Supplies. - List of participants. - NGRIP camp load. - Table of LC130 flights. - NGRIP documentation. - NGRIP camp load. - Sitreps. - Daily reports from NGRIP. - Surface topography near NGRIP. - Surface topography around the NGRIP site, July 1998. - Map of trenches, not updated. - Tower and roof opening of original trench. - Inclined drill pit, 1996. - Map of Greenland. - ERS1 based Topography of North Greenland. - Map of skiway. - Map of ice divide north of Summit. - Map of magnetic declination in Greenland. - List of NGRIP addresses.
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  • 17
    Signatur: AWI G5-00-0092
    In: Quaternary Science Reviews
    Materialart: Monographie ausleihbar
    Seiten: S. 1-479 : Abb. ; 30 cm
    ISSN: 0277-3791
    Serie: Quaternary Science Reviews 19, 2000, 1-5
    Sprache: Englisch
    Standort: AWI Lesesaal
    Zweigbibliothek: AWI Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 18
    Signatur: AWI G1-02-0088
    In: Developments in plant and soil sciences, Volume 88
    Beschreibung / Inhaltsverzeichnis: Environmental studies typically involve the combination of dynamic models with data sources at various spatial and temporal scales. Also, the scale of the model output is rarely in tune with the scale at which decision-makers require answers or implement environmental measures. Consequently, the question has been raised how to obtain results at the appropriate scale. Models, usually developed at the scale of a research project, have to be applied to larger areas (extrapolation), with incomplete data coverage (interpolation) and to different supports (upscaling and downscaling) to facilitate studies for decision-makers. This book gives an overview of the various problems involved, and focuses on a description of upscaling and downscaling methods that are known to exist. Furthermore, this book is the first in its kind in that it contains a decision support system that advises the practitioner on which upscaling or downscaling method to use in his specific context. This book is meant for an audience of MSc- and PhD-students, applied researchers and practitioners in soil science, hydrology, (agro) ecology, agronomy and the environmental sciences in general.
    Materialart: Monographie ausleihbar
    Seiten: X, 190 Seiten , Illustrationen
    ISBN: 0-7923-6339-6
    Serie: Developments in plant and soil sciences 88
    Sprache: Englisch
    Anmerkung: Contents Preface 1. Introduction 1.1 The problem of scale transfer 1.2 Aims and scope 1.3 Definitions 1.4 Contents of this book 2. Upscaling 2.1 A classification of upscaling methods 2.2 Averaging of observations or output variables 2.2.1 Exhaustive Information 2.2.2 Design based methods 2.2.3 Geostatistical prediction 2.2.4 Deterministic functions 2.2.5 Combinations and auxiliary information 2.3 Finding representative parameters or input variables 2.3.1 Exhaustive information 2.3.2 Deterministic functions 2.3.3 Indirect stochastic methods 2.3.4 Direct stochastic methods 2.3.5 Inverse modelling 2.4 Averaging of model equations 2.4.1 Deterministic: temporal or volume averaging 2.4.2 Stochastic: ensemble averaging 2.5 Model simplification 2.5.1 Lumped conceptual modelling 2.5.2 Meta-modelling 3. Downscaling 3.1 A classification of downscaling methods 3.2 Empirical functions 3.2.1 Deterministic functions 3.2.2 Conditional stochastic functions 3.2.3 Unconditional stochastic functions 3.3 Mechanistic models 3.3.1 Deterministic functions 3.3.2 Conditional stochastic functions 3.3.3 Unconditional stochastic functions 3.4 Fine scale auxiliary information 3.4.1 Deterministic functions 3.4.2 Conditional stochastic functions 3.4.3 Unconditional stochastic functions 4. A simple DSS for upscaling and downscaling 4.1 Purpose and philosophy of the DSS 4.2 Functionality and options at startup 4.3 Definition of the research chain over the scales 4.3.1 Define a new research chain 4.3.2 Modify parts of research chain 4.4 Enter the DSS from the research chain 4.5 DSS Upscaling and Downscaling Appendix: Random Variables and Stochastic Functions Glossary Contents References Index
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  • 19
    Monographie ausleihbar
    Monographie ausleihbar
    Boston : Kluwer Academic
    Signatur: AWI G4-00-0088
    Beschreibung / Inhaltsverzeichnis: Environmental tracers in subsurface hydrology synthesizes the research of specialists into a comprehensive review of the application of environmental tracers in the study of soil water and groundwater flow. The book includes chapters which cover ionic tracers, noble gases, chlorofluorocarbons, tritium, chlorine-36, oxygen-18, deuterium, and isotopes of carbon, strontium, sulphur and nitrogen. Applications of the tracers include the estimation of vertical and horizontal groundwater velocities, groundwater recharge rates, inter-aquifer leakage and mixing processes, chemical processes and palaeohydrology. Practicing hydrogeologists, soil physicists and hydrology professors and students will find the book to be a valuable support in their work.
    Materialart: Monographie ausleihbar
    Seiten: XIV, 529 Seiten , Illustrationen , 25 cm
    ISBN: 0792377079 , 0-7923-7707-9
    Sprache: Englisch
    Anmerkung: Contents List of Contributors Preface Acknowledgements 1. Determining Timescales for Groundwater Flow and Solute Transport / Peter G. Cook and John-Karl Bohlke 2. Inorganic Ions as Tracers / Andrew L. Herczeg and W. Mike Edmunds 3. Isotope Engineering - Using Stable Isotopes of the Water Molecule to Solve Practical Problems / Tyler B. Coplen, Andrew L. Herczeg and Chris Barnes 4. Radiocarbon Dating of Groundwater Systems / Robert M. Kalin 5. U-Series Nuclides as Tracers in Groundwater Hydrology / J. Kenneth Osmond and James B. Cowart 6. Radon-222 / L. DeWayne Cecil and Jaromy R. Green 7. Sulphur and Oxygen Isotopes in Sulphate / H. Roy Krouse and Bernhard Mayer 8. Strontium Isotopes / Robert H. McNutt 9. Nitrate Isotopes in Groundwater Systems / Carol Kendall and Ramon Aravena 10. Chlorine-36 / Fred M. Phillips 11. Atmospheric Noble Gases / Martin Stute and Peter Schlosser 12. Noble Gas Radioisotopes: 37Ar, 85 Kr, 39Ar, 81 Kr / Heinz H. Loosli, Bernhard E. Lehmann and William M. Smethie, Jr. 13. 3H and 3He / D. Kip Solomon and Peter G. Cook 14. 4He in Groundwater / D. Kip Solomon 15. Chlorofluorocarbons / L. Niel Plummer and Eurybiades Busenberg 16. δ11 B, Rare Earth Elements, δ 37Cl, 32 Si, 35S, 129I / Avner Vengosh, Arthur J. Spivack, Kevin J. Johannesson, W. Berry Lyons, Tamie R. Weaver, Uwe Morgenstern, Robert L. Michel, June Fabryka-Martin Appendix 1: Stable Isotope Notation and Fractionation Appendix 2: Decay Constants and Half-Lives of Radioactive Isotopes Appendix 3: Solubilities of Environmental Gas Tracers Appendix 4: Liquid and Gas-Phase Diffusion Coefficients Index
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  • 20
    Signatur: ZSP-168-354
    In: Berichte zur Polarforschung, 354
    Materialart: Schriftenreihen ausleihbar
    Seiten: 303 Seiten , Illustrationen
    ISSN: 0176-5027
    Serie: Berichte zur Polarforschung 354
    Sprache: Englisch
    Anmerkung: Enthaltener Beitrag: Russian-German Cooperation SYSTEM LAPTEV SEA 2000 : the expedition LENA 1999 / by the participants of the expedition edited by Volker Rachold and Mikhail N. Gregoriev , Enthaltener Beitrag: Eurasian ice sheets : German-Russian expedition Polar Ural '99 / Wolf-Dieter Hermichen, Annette Gierlichs, Frank Wischer and Dmitry Bolshiyanov , Contents for "Russian-German Cooperation SYSTEM LAPTEV SEA 2000 : the expedition LENA 1999" 1 lntroduction 2 Expedition Itinerary 2.1 Selection of working areas 2.2 General logistics and transport 2.3 Time tables of individual working groups 2.3.1 Team 1 a-C (Samoylov Island) 2.3.2 Team 2 a (Arga Island) 2.3.3 Team 2 b (RV Dunay) 2.3.3 Team 3 (Lyahkovsky Island) 2.3.4 Team 4 (Olenyokskaya Channel) 2.3.5 Team 5 (Bykovsky Peninsula) 2.4 Appendix Table A2-1: List of participants Table A2-2: Participating institutions 3 Modern Processes in Permafrost Affected Soils 3.1 General Introduction 3.2 The distribution of soils on Samoylov Island and other comparison sites of the Lena Delta 3.3 Thermal and hydrologic dynamics of the active layer 3.4 Seasonal variability of trace gas emission (CH4,CO2) and in situ process studies 3.4.1 Methode and field experiments 3.4.2 Preliminary Results 3.5 CO2 - Fluxes in permafrost affected soils 3.5.1 Team 1 A (winter) 3.5.1.1 Introduction 3.5.1.2 Field studies 3.5.2 Team 1 B (spring) 3.5.2.1 Introduction 3.5.2.2 Field studies 3.5.3 Team 1 C (summer) 3.5.3.1 lntroduction 3.5.3.2 Methods and first results of field work 3.5.4 Description of the sites and profiles 3.6 Monitoring for bird populations in the Lena Delta 3.6.1 Methods and materials 3.6.2 Results and discussion 3.7 References 3.8 Appendix Table A3-1: List of soil samples Table A3-2: Abundance of birds on the channels of Lena Delta in the nesting period (ind.110 km) Table A3-3: Abundance of birds on the channels of Lena Delta in the brood period (ind.110 km) Table A3-4: Abundance of birds on the channels of Lena Delta in the fall migration period (ind.110 km) 4 Coastal Processes in the Laptev Sea and the Environmental History of the Lena Delta 4.1 Introduction 4.2 Lake sediment studies on Arga Island 4.2.1 lntroduction 4.2.2 Samples and methods 4.2.3 Preliminary results 4.3 Coastal erosion studies in the Laptev Sea 43.1 lntroduction 4.3.2 Methods 4.3.3 Preliminary results 4.4 Geological-Geomorphological Studies in the Western and Central Sectors of the Lena Delta 4.4.1 Introduction 4.4.2 Methods 4.4.3 Study area 4.4.4 Results of the field studies 4.4.5 Preliminary conclusions 4.5 Observations of water level oscillations in the Olenyokskaya Channel 4.6 Aeolian sedimentation processes in the Lena Delta 4.7 References 4.8 Appendix Table A4-1: List of stations for lake sediment studies on Arga Island Table A4-2: List of samples for lake sediment studies on Arga Island Table A4-3: Boreholes temperature measurments in Nikolay Lake (Arga Island) and Ivashkina lagoon, May 1999 Table A4-4: List of stations for coastal erosion studies Table A4-5: List of samples for coastal erosion studies Table A4-6: Water temperature profiles (°C) along the Laptev Sea coast Table A4-7: Hydrometeorological characteristics along the Laptev Sea coast (bottom water temperature - Tb, air temperature -Ta) Table A4-8: List of samples for Geological-Geomorphological Studies in the Lena Delta Table A4-9: Bone samples for Geological-Geomorphological Studies in the Lena Delta 5 Paleociimate Signals of Ice-rich Permafrost 5.1 Quaternary deposits of Big Lyakhovsky Island 5.1.1 lntrorfuction 5.1.2 Genlogical-geomorphological situation 5.1.3 Methods of field studies 5.1.4 Description of the outcrop 5.1.5 Cryolithological and sedimentological studies 5.1.6 Geochronometric age determination 5.1.7 Thermokarst processes 5.1.8 Ground ice and water 5.1.9 Paleontological research at the southern coast of Bol'shoy Lyakhovsky Island 5.1.10 Recent and fossil soils 5.1.11 Trip to Khaptagai Tas hills - study of recent Snow patch phenomena 5.2 Ice Complex On Bykovsky Peninsula 5.2.1 Research aims 5.2.2 Site survey and geomorphologic observations 5.2.3 Sampling sites 5.2.4 Stratigraphie and sedimentological observations 5.2.5 Cryolithological observations 5.2.6 The sampling methods and the samples collected 5.2.7 Mammal bone collecting 5.2.8 Conclusion 5.3 References 5.4 Appendix A5-1 : Profile map of sample positions (German version) A5-1-1 : Legend A5-2: Profile map (Russian version) A5-2-1: Schematic profile of permafrost deposits . South coast of Bol'shoy Lyakhovsky Island A5-2-2: Bol'shoy Lyakhovsky Island. south coast. R-side exposure A5-2-3: Bol'shoy Lyakhovsky Island. south coast. L-side exposure A5-3: List of sediment samples collected on Bol'shoy Lyakhovsky Island A5-4: List of OSL-samples A5-5: List of alas samples A5-6: List of water and ice samples collected on Bol'shoy Lyakhovsky island during field season 1999 A5-7: List of bone samples A5-8: List of small fossil samples (rodents, insects, ostracodes, seeds) A5-9: List of peat samples for botanical analysis A5-10: List of mollusc samples A5-11: List of sarnples for paleomagnetics A5-12: Description of soll profiles A5-13: List of samples collected by the Bykovsky team at the upper part of MKh main section in 1999 A5-14: The composition of the marnrnal bone collection (Bykovsky Peninsula. 1999) A5-15: Mammal bones, found in 1999 within the Mamontova Khayata cliff (Bykovsky Peninsula)
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  • 21
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Bremerhaven : Stiftung Alfred-Wegener-Institut für Polar- und Meeresforschung
    Dazugehörige Bände
    Signatur: ZSP-994(1998/1999)
    In: Zweijahresbericht / Stiftung Alfred-Wegener-Institut für Polar- und Meeresforschung, 1998/1999
    Materialart: Schriftenreihen ausleihbar
    Seiten: 236 Seiten , Illustrationen
    ISSN: 0940-4546 , 1618-3703
    Serie: Zweijahresbericht / Stiftung Alfred-Wegener-Institut für Polar- und Meeresforschung 1998/1999
    Sprache: Deutsch , Englisch
    Anmerkung: Inhalt = Content 1. Vorwort = Introduction 2 . Ausgewählte Forschungsthemen = Selected research topics Wenn ein Eisrücken dem Wind im Weg steht = An ice ridge being an obstacle to the wind / Thomas Garbrecht, Christof Lüpkes Das Klima hat seine ganz eigene Dynamik = The climate has its own dynamics / Dörte Handorf, Antje Weisheimer, Klaus Dethloff Wenn die großen Gletscher kommen = The appearance of large glaciers / Katrin Meissner, Rüdiger Gerdes Molekularbiologen auf der Jagd nach toxischen Algenblüten = Development of methods for early warning systems / Linda Medlin, Christian Schütt Schlechte Aussichten für Kalkbildner im Meer = Poor prospects for marine calcifying organisms / Ulf Riebesell, Ingrid Zondervan, Björn Rost Der etwas andere Krill: Leben im kalten wie im warmen Wasser = Krill, a bit different: Life in both cold and warm waters / Friedrich Buchholz, Reinhard Saborowski, Markus Salomon Multidrug Resistenz - eine alte Überlebensstrategie von Meeresorganismen = Multidrug-Resistance - an ancient survival strategy for marine organisms / Angela Köhler-Günther, Alexander Lüdeking, Tilman Alpermann Nährstoffbelastung des Wattenmeeres und der angrenzenden Küstengewässer = Eutrophication of the Wadden Sea and adjacent coastal zone / Justus van Beusekom, Ragnhild Asmus, Victor de Jonge (RIKZ, NL), Eike Rachor Magnesium als Faktor für die Verbreitung von Krebsen in den Polarmeeren = Magnesium as a factor limiting the distribution of polar crustaceans / Franz-Josef Sartoris, Markus Frederich, Hans-Otto Pörtner Gebirge unter dem antarktischen Eis entdeckt = Discovery of a mountain range under the ice / Daniel Steinhage, Uwe Nixdorf, Uwe Meyer, Heinrich Miller Seesedimente Ostgrönlands als Zeugen von Klimaschwankungen und veränderten Meeresströmungen = Lacustrine sediments of East Greenland give evidence for changes in the climate and in the oceanic circulation pattern / Bernd Wagner, Martin Melles, Holger Cremer, Hans-W. Hubberten Östliche Karasee bereits früh eisfrei = Early deglaciation in the eastern Kara Sea / Hans Peter Kleiber, Frank Niessen 3. Forschung = Research 3.1 Klimasystem = 3.1 Climate system 3.2 Pelagische Ökosysteme = 3 .2 Pelagic ecosystems 3.3 Benthische Ökosysteme = 3.3 Benthic ecosystems 3.4 Geosystem = 3.4 Geosystem 3.5 Projektgruppen = 3.5 Project groups 4. Logistik und Expeditionen = Logistics and operational activities 5. Nationale und internationale Zusammenarbeit = National and international cooperation 6. Informationszentrum = Information center 7. Presse-und Öffentlichkeitsarbeit = Public relations department 8. Personeller Aufbau und Haushaltsentwicklung = Personnel structure and budget trends 9. Veröffentlichungen, Patente = Publications, patents Anhang = Annex I. Personal = I. Personnel II. Wissenschaftliche Veranstaltungen = II. Scientific events III. Abgeschlossene Examensarbeiten = III. Completed theses and dissertations
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  • 22
    Monographie ausleihbar
    Monographie ausleihbar
    Washington, D.C : National Academy Press
    Dazugehörige Bände
    Signatur: AWI A3-17-90661-2
    In: Issues in the integration of research and operational satellite systems for climate research, 2
    Materialart: Monographie ausleihbar
    Seiten: xvi, 82 S. , Ill.
    ISBN: 0309069947 (print; v. 2 : pbk.) , 9780309069946 (print; v. 2 : pbk.)
    Sprache: Englisch
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  • 23
    Monographie ausleihbar
    Monographie ausleihbar
    Washington, D.C : National Academy Press
    Dazugehörige Bände
    Signatur: AWI A3-17-90661-1
    In: Issues in the integration of research and operational satellite systems for climate research, 1
    Beschreibung / Inhaltsverzeichnis: Currently, the Departments of Defense (DOD) and Commerce (DOC) acquire and operate separate polarorbiting environmental satellite systems that collect data needed for military and civil weather forecasting. The National Performance Review (NPR) and subsequent Presidential Decision Directive (PDD), directed the DOD (Air Force) and the DOC (National Oceanic and Atmospheric Administration, NOAA) to establish a converged national weather satellite program that would meet U.S. civil and national security requirements and fulfill international obligations. NASA's Earth Observing System (EOS), and potentially other NASA programs, were included in the converged program to provide new remote sensing and spacecraft technologies that could improve the operational capabilities of the converged system. The program that followed, called the National Polar-orbiting Operational Environmental Satellite System (NPOESS), combined the follow-on to the DOD's Defense Meteorological Satellite Program and the DOC's Polar-orbiting Operational Environmental Satellite (POES) program. The tri-agency Integrated Program Office (IPO) for NPOESS was subsequently established to manage the acquisition and operations of the converged satellite.
    Materialart: Monographie ausleihbar
    Seiten: xvii, 134 S. , IIl., graph. Darst.
    ISBN: 0309076579 (print; v. 1 : pbk.) , 9780309076579 (print; v. 1 : pbk.) , 0309069858 (print)
    Sprache: Englisch
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  • 24
    Signatur: AWI Bio-01-0058 ; AWI Bio-01-0212
    In: Bibliotheca diatomologica, Band 45
    Beschreibung / Inhaltsverzeichnis: The freshwater diatom flora from arctic and subarctic regions of North America remains poorly known. The aim of this investigation is to improve our knowledge of diatoms in lakes from eastern subarctic Canada, and to provide a stronger foundation for the use of diatoms in limnological and palaeolimnological studies. To this end, we analysed the modern diatom assemblages in surficial sediments from 123 lakes in northern Québec and Labrador. The two study transects in Jamésie-Hudsonie (data set including 59 lakes and 38 environmental variables) and in Québec-Labrador (data set consisting of 64 lakes and 29 environmental variables) extend over a vast area from the boreal forest in the south to the arctic tundra conditions in the north. Of a total of 516 diatom taxa in the Jamésie-Hudsonie data set, 218 species were used for the development of a transfer function for the reconstruction of dissolved organic carbon (DOC). In the Québec-Labrador data set, two inference models were developed for the reconstruction of water colour and alkalinity based on 128 of 303 diatom taxa. The majority of taxa belonging to this surprisingly species-rich boreal-subarctic diatom flora are illustrated in photographic plates, accompanied by a short description of the distribution of each taxon.
    Materialart: Monographie ausleihbar
    Seiten: VI, 200 Seiten , Illustrationen
    ISBN: 3443570364
    Serie: Bibliotheca diatomologica 45
    Sprache: Englisch
    Anmerkung: Contents: 1. Introduction. - Overview. - 1.1 The use of diatoms in paleolimnology. - 1.2 Studies of freshwater diatoms in northern Québec and Labrador. - 1.3 Purpose of this project. - 2. Diatoms as indicators of dissolved organic carbon (DOC), alkalinity, and water colour. - Overview. - 2.1 Study area. - 2.2 Methods. - 2.2.1 Sampling and measurement procedures. - 2.2.2 Numerical analysis. - 2.3 Ordination results. - 2.3.1 PCA. - 2.3.2 CCA. - 2.4 Inference models. - 2.4.1 WA-PLS. - 2.4.2 Potential indicator taxa. - 2.5 Implications for paleoecological studies. - 3. Diatom taxa. - Overview. - Diatom flora. - References. - Plates. - Appendix I Raw environmental data for the 59 study sites of Jamésie-Hudsonie. - Appendix II Raw environmental data for the 64 study sites of Québec-Labrador. - Appendix III Taxonomic index of the 218 most abundant diatom species used for CCA plotting in Jamésie-Hudsonie. - Appendix IV Taxonomic index of the 128 most abundant diatom species used for CCA plotting in Québec-Labrador. - Species index
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  • 25
    Monographie ausleihbar
    Monographie ausleihbar
    Cambridge, USA : Wiley
    Signatur: AWI G8-02-0098
    Materialart: Monographie ausleihbar
    Seiten: XII, 724, [24] Seiten , Illustrationen
    Ausgabe: Fourth edition
    ISBN: 0471255157
    Sprache: Englisch
    Anmerkung: CONTENTS: 1 Concepts and Foundations of Remote Sensing. - 1.1 Introduction. - 1.2 Energy Sources and Radiation Principles. - 1.3 Energy Interactions in the Atmosphere. - 1.4 EnergyJnteractions with Earth Surface Features. - 1.5 Data Acquisition and Interpretation. - 1.6 Reference Data. - 1.7 The Global Positioning System. - 1.8 An Ideal Remote Sensing System. - 1.9 Characteristics of Real Remote Sensing Systems. - 1.10 Successful Application of Remote Sensing. - 1.11 Land and Geographic Information Systems. - 1.12 Organization of the Book. - Selected Bibliography. - 2 Elements of Photographic Systems. - 2.1 Introduction. - 2.2 Early History of Aerial Photography. - 2.3 Basic Negative-to-Positive Photographic Sequence. - 2.4 Film Exposure 2.5 Film Density and Characteristic Curves. - 2.6 Spectral Sensitivity of Black and White Films. - 2.7 Color Film. - 2.8 Color Infrared Film. - 2.9 Filters. - 2.10 Aerial Film Cameras. - 2.11 Film Resolution. - 2.12 Electronic Imaging. - 2.13 Aerial Videography. - 2.14 Multiband Imaging. - 2.15 Conclusion. - Selected Bibliography. - 3 Basic Principles of Photogrammetry. - 3.1 Introduction. - 3.2 Basic Geometric Characteristics of Aerial Photographs. - 3.3 Photographic Scale. - 3.4 Ground Coverage of Aerial Photographs. - 3.5 Area Measurement. - 3.6 Relief Displacement of Vertical Features. - 3.7 Image Parallax. - 3.8 Ground Control for Aerial Photography. - 3.9 Mapping with Aerial Photographs. - 3.10 Flight Planning. - 3.11 Conclusion. - Selected Bibliography. - 4 Introduction to Visual Image Interpretation. - 4.1 Introduction. - 4.2 Fundamentals of Visual Image Interpretation. - 4.3 Basic Visual Image Interpretation Equipment. - 4.4 Land Use/Land Cover Mapping. - 4.5 Geologic and Soil Mapping. - 4.6 Agricultural Applications. - 4.7 Forestry Applications. - 4.8 Rangeland Applications. - 4.9 Water Resource Applications. - 4.10 Urban and Regional Planning Applications. - 4.11 Wetland Mapping. - 4.12 Wildlife Ecology Applications. - 4.13 Archaeological Applications. - 4.14 Environmental Assessment. - 4.15 Principles of Landform Identification and Evaluation. - Selected Bibliography. - 5 Multispectral, Thermal, and Hyperspectral Sensing. - 5.1 Introduction. - 5.2 Across-Track Scanning. - 5.3 Along-Track Scanning. - 5.4 Operating Principles of Across-Track Multispectral Scanners. - 5.5 Example Along-Track Multispectral Scanner and Data. - 5.6 Across-Track Thermal Scanning. - 5.7 Thermal Radiation Principles. - 5.8 Interpreting Thermal Scanner Imagery. - 5.9 Geometric Characteristics of Across-Track Scanner Imagery. - 5.10 Geometric Characteristics of Along-Track Scanner- Imagery. - 5.11 Radiometric Calibration of Thermal Scanners. - 5.12 Temperature Mapping with Thermal Scanner Data. - 5.13 FLIR Systems. - 5.14 Hyperspectral Sensing. - 5.15 Conclusion. - Selected Bibliography. - 6 Earth Resource Satellites Operating in the Optical Spectrum. - 6.1 Introduction. - 6.2 Early History of Space Imaging. - 6.3 Landsat Satellite Program Overview. - 6.4 Landsat-1,-2, and-3. - 6.5 Landsat-4 and -5. - 6.6 Landsat-6 Planned Mission. - 6.7 Landsat-7. - 6.8 Landsat Image Interpretation. - 6.9 New Millennium Program. - 6.10 SPOT Satellite Program. - 6.11 SPOT-1,-2, and-3. - 6.12 SPOT-4. - 6.13 SPOT-5. - 6.14 SPOT Image Interpretation. - 6.15 Other Moderate Resolution Land Satellites. - 6.16 High Resolution Land Satellites. - 6.17 Hyperspectral Satellite Systems. - 6.18 Meteorological Satellites. - 6.19 Ocean Monitoring Satellites. - 6.20 Earth Observing System. - 6.21 Space Station Remote Sensing. - Selected Bibliography. - 7 Digital Image Processing. - 7.1 Introduction. - 7.2 Image Rectification and Restoration. - 7.3 Image Enhancement. - 7.4 Contrast Manipulation. - 7.5 Spatial Feature Manipulation. - 7.6 Multi-Image Manipulation. - 7.7 Image Classification. - 7.8 Supervised Classification. - 7.9 The Classification Stage. - 7.10 The Training Stage. - 7.11 Unsupervised Classification. - 7.12 Hybrid Classification. - 7.13 Classification of Mixed Pixels. - 7.14 The Output Stage. - 7.15 Postclassification Smoothing. - 7.16 Classification Accuracy Assessment. - 7.17 Data Merging and GIS Integration. - 7.18 Hyperspectral Image Analysis. - 7.19 Biophysical Modeling. - 7.20 Scale Effects. - 7.21 Image Transmission and Compression. - 7.22 Conclusion. - Selected Bibliography. - 8 Microwave Sensing. - 8.1 Introduction. - 8.2 Radar Development. - 8.3 Side Looking Radar System Operation. - 8.4 Synthetic Aperture Radar. - 8.5 Geometric Characteristics of Side-Looking Radar Imagery. - 8.6 Transmission Characteristics of Radar Signals. - 8.7 Other Radar Image Characteristics. - 8.8 Radar Image Interpretation. - 8.9 Radar Remote Sensing from Space. - 8.10 Seasat-1. - 8.11 Shuttle Imaging Radar. - 8.12 Almaz-1. - 8.13 ERS-1, ERS-2, and Envisat-1. - 8.14 JERS-1 and ALOS. - 8.15 Radarsat. - 8.16 LightSAR. - 8.17 Spaceborne Radar System Summary. - 8.18 Interferometric Radar. - 8.19 Planetary Exploration. - 8.20 Passive Microwave Sensing. - 8.21 Lidar. - Selected Bibliography. - Appendix. - Remote Sensing Data Sources. - Remote Sensing Periodicals. - Index.
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  • 26
    Signatur: AWI A13-00-0258 ; PIK N 453-01-0477
    In: International geophysics series, 66
    Materialart: Monographie ausleihbar
    Seiten: XXXVI, 940 Seiten , Illustrationen, Diagramme, Karten , 24 cm
    ISBN: 0124340687
    Serie: International geophysics series 66
    Sprache: Englisch
    Anmerkung: Contents List of Acronyms List of Symbols Foreword Preface Prologue Chapter 1 Introduction to Ocean Dynamics 1.1 Types, Advantages, and Limitations of Ocean Models 1.2 Recent Examples 1.3 Governing Equations 1.4 Vorticity Conservation 1.5 Nondimensional Numbers and Scales of Motion 1.6 Geostrophic Flow and Thermal Wind 1.7 Inertial Motions 1.8 Ekman Layers 1.9 Sverdrup Transport 1.10 Western Boundary Intensification (Stommel Solution) 1.11 Gyre Scale Circulation (Munk Solution) 1.12 Barotropic Currents over Topography 1.13 Baroclinic Transport over Topography 1.14 Coastal Upwelling and Fronts 1.15 Mesoscale Eddies and Variability 1.16 Thermohaline Circulation and Box (Reservoir) Models 1.17 Numerical Models Chapter 2 Introduction to Numerical Solutions 2.1 Introduction 2.1.1 Architecture 2.1.2 Computational Errors 2.2 Ordinary Differential Equations 2.2.1 Runge-Kutta Method 2.3 Partial.Differential Equations 2.3.1 Consistency, Convergence, and Stability 2.3.2 Elliptic, Hyperbolic, and Parabolic Systems 2.4 Elliptic Equations and Steady-State Problems 2.4.1 Direct Solvers 2.4.2 Iterative Solvers and Relaxation Methods 2.4.3 Preconditioned Conjugate Gradient Method 2.4.4 Multigrid Methods 2.4.5 Pseudo-transient Method 2.5 Time Dependent Problems 2.5.1 Advection Equation and Hyperbolic Systems 2.5.2 Diffusion Equation and Parabolic Systems 2.6 Finite-Difference (Grid Point) Methods 2.6.1 Staggered Grids 2.6.2 Time Differencing and Filtering 2.6.3 Computational Grids 2.7 Spectral (Spectral Transform) Methods 2.8 Finite-Element Methods 2.8.1 Spectral Element Approach 2.9 Parameterization of Subgrid Scale Processes 2.10 Lateral Open Boundary Conditions 2.11 Computational Issues 2.12 Examples 2.12.1 Inertial Oscillations 2.12.2 Thermohaline Circulation 2.12.3 Normal Modes 2.12.4 Gyre Scale Circulation 2.12.5 Advection Problems 2.12.6 M.I.T. Nonhydrostatic Global Model Chapter 3 Equatorial Dynamics and Reduced Gravity Models Solutions 3.1 Oceanic Dynamical Response to Forcing 3.2 Governing Equations 3.3 Equatorial Waves 3.3.1 Kelvin Waves 3.3.2 Yanai Waves 3.3.3 Rossby Waves 3.3.4 Inertia-Gravity (Poincare) Waves 3.4 Equatorial Currents 3.5 Reduced Gravity Model of Equatorial Processes Chapter 4 Midlatitude Dynamics and Quasi-Geostrophic Models 4.1 Linear Motions 4.1.1 Inertia-Gravity (Sverdrup/Poincare) Waves 4.1.2 Kelvin Waves 298 4.1.3 Planetary Ross by Waves 4.1.4 Topographic Rossby Waves 4.2 Continuous Stratification 4.3 Geostrophic Adjustment and Instabilities 4.3.1 Geostrophic Adjustment 4.3.2 Instabilities 4.4 Spinup 4.5 Quasi-Geostrophic Models 4.5.1 Governing Equations 4.5.2 Applications Chapter 5 High-Latitude Dynamics and Sea-Ice Models 5.1 Salient Features of Ice Cover 5.2 Momentum Equations for Sea Ice 5.3 Constitutive Law for Sea Ice (Ice Rheology) 5.3.1 Viscous-Plastic Ice Rheology 5.3.2 Elastic-Viscous-Plastic Ice Rheology 5.4 Continuity Equations for Sea Ice 5.5 Response of Sea Ice to Storm Passage 5.6 Numerics 5.6.1 Governing Equations in Orthogonal Curvilinear Coordinates 5.6.2 Solution Technique Chapter 6 Tides and Tidal Modeling 6.1 Description of Tides 6.2 Formulation: Tidal Potential 6.3 Body, Load, Atmospheric, and Radiational Tides 6.3.1 Body (Solid Earth) Tides 6.3.2 Load Tides 6.3.3 Atmospheric Tides 6.3.4 Radiational Tides 6.4 Dynamical Theory of Tides: Laplace Tidal Equations 6.5 Equilibrium Theory of Tides 6.6 Tidal Analysis: Orthotides 6.7 Tidal Currents 6.8 Global Tidal Models 6.9 Regional Tidal Models 6.10 Geophysical Implications 6.10.1 Tidal Dissipation and LOD 6.10.2 Tidal Energetics 6.11 Changes in Earth's Rotation 6.12 Baroclinic (Internal) Tides 6.13 Long-Period Tides 6.14 Shallow Water Tides and Residual Currents 6.15 Summary Chapter 7 Coastal Dynamics and Barotropic Models 7.1 Wind- and Buoyancy-Driven Currents 7.2 Tidal Motions 7.3 Continental Shelf Waves 7.4 Modeling Shelf Circulation 7.5 Barotropic Models 7.5.1 Coastal Ocean Response to Wind Forcing 7.5.2 Storm Surges and Storm Surge Modeling 7.5.3 Response to Pressure Forcing Chapter 8 Data and Data Processing 8.1 In Situ Observational Data 8.1.1 XBT, CTD, CM, ADCP, and Drifter Data 8.1.2 Historical Hydrographic Data 8.1.3 Historical Marine Surface Data 8.2 Remotely Sensed Data 8.2.1 Sea Surface Temperature from IR Sensors 8.2.2 Sea Surface Winds from Microwave Sensors 8.2.3 Chlorophyll and Optical Clarity from Color Sensors 8.2.4 Sea Surface Height from Satellite Altimetry 8.3 NWP Products 8.4 Preprocessing of Observational Data and Postprocessing of Model Output 8.4.1 Graphics and Visualization of Model Output 8.4.2 Analyses Chapter 9 Sigma-Coordinate Regional and Coastal Models 9.1 Introduction 9.2 Governing Equations 9.3 Vertical Mixing 9.4 Boundary Conditions 9.5 Mode Splitting 9.6 Numerics 9.6.1 Vertical Direction 9.6.2 Horizontal Direction 9.7 Numerical Problems 9.8 Applications 9.9 Code Structure Chapter 10 Multilevel Basin Scale and Global Models 10.1 Introduction 10.2 Governing Equations 10.3 Isopycnal Diffusion 10.4 Architecture and Other Model Features 10.5 Applications 10.6 Hybrid s-Coordinate Models 10.7 Regional z-Level Models Chapter 11 Layered and Isopycnal Models 11.1 Layered Models 11.2 Isopycnal Models Chapter 12 Ice-Ocean Coupled Models 12.1 Sea-Ice Models 12.2 Coupled Ice-Ocean Models Chapter 13 Ocean-Atmosphere Coupled Models 13.1 Coupling between the Ocean and the Atmosphere 13.2 Coupled Ocean-Atmosphere General Circulation Models 13.3 Regional Coupled Ocean-Atmosphere Models Chapter 14 Data Assimilation and Nowcasts/ Forecasts 14.1 Introduction 14.2 Direct Insertion 14.3 Nudging 14.4 Statistical Assimilation Schemes 14.4.1 Kalman Filter 14.4.2 Reduced State Space Kalman Filters 14.4.3 Optimal Interpolation (OI) Scheme 14.5 Variational Methods 14.5.1 Adjoint Models 14.6 Predictability of Nonlinear Systems-Low Order Paradigms 14.7 Nowcasts/Forecasts in the Gulf of Mexico Appendix A Equations of State A.1 Equation of State for the Ocean A.2 Equation of State for the Atmosphere Appendix B Wavelet Transforms B.1 Introduction B.1.1 Theory B.1.2 Continuous Wavelet Transforms (CWT) B.1.3 Discrete Wavelet Transforms (DWT) B.2 Examples B.3 Wavelet Transforms and Stochastic Processes B.4 Two-Dimensional Wavelet Transforms B.5 Cross Wavelet Transforms (CrWT) B.6 Error Analysis Appendix C Empirical Orthogonal Functions and Empirical Normal Modes C.1 Empirical Orthogonal Functions C.1.1 Complex EOFs C.1.2 Singular Spectrum Analysis C.1.3 Extended EOFs C.1.4 Coupled Pattern Analysis C.2 Empirical Normal Modes Appendix D Units and Constants D.1 Useful Quantities D.1.1 SI (International System of Units) Units and Conventions D.1.2 Useful Conversion Factors D.1.3 Useful Universal Constants D.1.4 Useful Geodetic Constants D.1.5 Useful Physical Constants D.1.6 Useful Dynamical Quantities D.2 Important Scales and Quantities D.2.1 Length Scales D.2.2 Timescales D.2.3 Velocity Scales D.2.4 Nondimensional Quantities D.3 Useful Websites References Biographies Index
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  • 27
    Signatur: AWI Bio-00-0167
    In: Iconographia diatomologica, Volume 7
    Materialart: Monographie ausleihbar
    Seiten: 925 Seiten , Illustrationen , 1 Errata-Blatt
    ISBN: 3904144103
    Serie: Iconographia diatomologica 7
    Sprache: Englisch
    Anmerkung: Contents: Foreword. - A second foreword. - Phycogeographic aspects. - Lists of the new taxa. - Acknowledgements. - Description of the taxa. - Centric diatoms. - Araphid diatoms. - Raphid diatoms. - Monoraphid diatoms. - Biraphid diatoms. - Naviculaceae (in traditional sense). - Bacillariaceae. - Auriculaceae. - Epithemiaceae. - Surirellaceae. - Latin - diagnosis. - Plates. - Bibliography. - Index of the taxa.
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  • 28
    Signatur: AWI A3-00-0259 ; AWI A3-18-75033
    In: NATO science series
    Materialart: Monographie ausleihbar
    Seiten: XXI. 623 S. , Ill., graph. Darst., Kt
    ISBN: 0792364392
    Serie: NATO science series : Series 2, Environmental security vol. 70
    Sprache: Englisch
    Anmerkung: Contents: Preface. - Acknowledgements. - Summary poem. - Introduction. - 1. Oceanic freshwater fluxes in the climate system / Anders Stigebrandt. - 2. Global atmospheric circulation patterns and relationships to Arctic freshwater fluxes / J. E. Walsh. - 3. Atmospheric components of the Arctic Ocean freshwater balance and their interannual variability / R. G. Barry and M. C. Serreze. - 4. Hydroclimatology of the Arctic drainage basin / L. C. Bowling, D. P. Lettenmaier and B. V. Matheussen. - 5. The Arctic Ocean's freshwater budget: sources, storage and export / Eddy C. Carmack. - 6. The Arctic ocean freshwater budget of a climate general circulation model / Howard Cattle and Douglas Cresswell. - 7. Atmospheric components of the Arctic Ocean bydrologic budget assessed from Rawinsonde data / M. C. Serreze and R. G. Barry. - 8. Reanalyses depictions of the Arctic atmospheric moisture budget / D. H. Bromwich, R. I. Cullather and M. C. Serreze. - 9. Moisture transport to Arctic drainage basins relating to significant precipitation events and cyclogenesis / John R. Gyakum. - 10. Atmospheric climate models: simulation of the Arctic Ocean fresh water budget components / V. M. Kattsov, J. E. Walsh, A. Rinke and K. Dethloff. - 11. Discharge observation networks in Arctic regions: computation of the river runoff into the Arctic Ocean, its seasonality and variability / W. E. Grabs, F. Portmann and T. de Couet. - 12. Arctic river flow: a review of contributing areas / I. A. Shiklomanov, A. I. Shiklomanov, R. B. Lammers, B. J. Peterson and C. J. Vorosmarty. - 14. River input of water, sediment, major ions, nutrients and trace metals from Russian territory to the Arctic Ocean / V. V. Gordeev. - 15. The dispersion of Siberian river flows into coastal waters: meteorological, hydrological and hydrochemical aspects / I. P. Semiletov, N. I. Savelieva, G. E. Weller, I. I. Pipko, S. P. Pugach, A. Yu. Gukov and L. N. Vasilevskaya. - 16. The variable climate of the Mackenzie River basin: its water cycle and fresh water discharge / R. E. Stewart. - 17. Arctic estuaries and ice: a positive-negative estuarine couple / R. W. Macdonald. - 18. Satellite views of the Arctic Ocean freshwater balance / D. A. Rothrock, R. Kwok and D. Groves. - 19. Tracer studies of the Arctic freshwater budget / P. Schlosser, B. Ekwurzel, S. Khatiwala, B. Newton, W. Maslowski and S. Pfirman. - 20. Exchanges of freshwater through the shallow straits of the North American Arctic / Humfrey Melling. - 21. The transformations of Atlantic water in the Arctic Ocean and their significance for the freshwater budget / Bert Rudels and Hans J. Friedrich. - 22. Modelling the variability of exchanges between the Arctic Ocean and the Nordic seas / Rüdiger Gerdes. - 23. Sea ice growth, melt and modeling: a survey / Michael Steele and Gregory M. Flato. - 24. Fresh water freezing/melting cycle in the Arctic Ocean / G. V. Alekseev, L. V. Bulatov and V. F. Zakharov. - Colour plates. - Subject index.
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  • 29
    Monographie ausleihbar
    Monographie ausleihbar
    Heidelberg : Spektrum Akademischer Verlag
    Signatur: AWI Bio-01-0152
    Materialart: Monographie ausleihbar
    Seiten: XII, 522 Seiten , Illustrationen
    ISBN: 3827410010
    Serie: Süßwasserfauna von Mitteleuropa 8/3
    Sprache: Englisch , Latein
    Anmerkung: Contents: ACKNOWLEDGEMENTS. - GENERAL PART. - Introduction. - Area covered. - Abbreviations, scale bars and arrows. - Material examined. - General structure of the podocopid Ostracoda. - Carapace. - Appendages. - Exo- and endoskeleton. - Respiration and blood circulation. - Digestive and nervous systems, eyes and excretory glands. - Reproduction. - Reproductive organs. - Structure of the sperm. - Reproductive modes. - The biological species concept and clonal taxonomy. - Development. - Ecology. - Terminology. - Life histories. - Food and prédation. - Dispersal abilities. - Fossil record. - The utility of the Ostracoda in (palaeo)ecology and evolution. - Ostracon, IRGO, CYPRIS, ISO, and EOM. - The Index and Bibliography of Nonmarine Ostracoda. - NODE - Nonmarine Ostracod Distribution in Europe. - Practical methods. - Previous faunistic synopses and checklists. Numbers of species recorded. - Classification of the Ostracoda. - Diagnosis of the Podocopida. - Evolutionary origin of non-marine Ostracoda. - Classification of the Podocopida. - SYSTEMATIC RECORD OF SPECIES. - Superfamily DARWINULOIDEA Brady &Norman, 1889. - Family Darwinulidae Brady & Norman, 1889. - Genus Darwinula Brady & Robertson, 1885. - 1. Darwinula stevensoni (Brady & Robertson,1870). - Genus Penthesilenula Rossetti & Martens, 1998. - 1. Penthesilenula brasiliensls (Pinto & Kotzian, 1961). - Superfamily CYPRIDOIDEA s. str. Baird, 1845. - Family Candonidae Kaufmann, 1900. - Subfamily Candoninae Kaufmann, 1900. - Genus Paracandona Hartwig, 1899. - 1. Paracandona euplectella (Robertson, 1889). - Genus Nannocandona Ekman, 1914. - 1. Nannocandona faba Ekman, 1914. - Genus Candona s. str. Baird, 1845. - 1. Candona Candida (O.F. Müller, 1776). - 2. Candona weltneri Hartwig, 1899. - 3. Candona sanociensis Sywula, 1971. - 4. Candona improvisa Ostermeyer, 1937. - 5. Candona neglecta Sars, 1887. - 6. Candona lindneri Petkovski, 1969. - 7. Candona meerfeldiana Scharf, 1983. - 8. Candona muelleri Hartwig, 1899. - 9. Candona angulata Müller, 1900. - Genus Fabaeformiscandona Krstic, 1972. - 1. Fabaeformiscandona fabaeformis (Fischer, 1851). - 2. Fabaeformiscandona holzkampfi (Hartwig, 1900). - 3. Fabaeformiscandona alexandri (Sywula, 1981). - 4. Fabaeformiscandona fragilis (Hartwig, 1898). - 5. Fabaeformiscandona angusta (Ostermeyer, 1937). - 6. Fabaeformiscandona tyrolensis (Löffler, 1963) nov. comb. - 7. Fabaeformiscandona brisiaca (Klie, 1938). - 8. Fabaeformiscandona fabella (Nüchterlein, 1969). - 9. Fabaeformiscandona balatonica (Daday, 1894). - 10. Fabaeformiscandona acuminata (Fischer, 1851). - 11. Fabaeformiscandona caudata (Kaufmann, 1900). - 12. Fabaeformiscandona siliquosa (Brady, 1910). - 13. Fabaeformiscandona tricicatricosa(Diebel & Pietrzeniuk, 1969). - 14. Fabaeformiscandona loz.eki (Absolon, 1973) nov. comb. - 15. Fabaeformiscandona levanderi (Hirschmann, 1912). - 16. Fabaeformiscandona hyalina (Brady & Robertson, 1870). - 17. Fabaeformiscandona protzi (Hartwig, 1898). - 18. Fabaeformiscandona brevicornis (Klie, 1925). - 19. Fabaeformiscandona wegelini (Petkovski, 1962). - 20. Fabaeformiscandona latens (Klie, 1940). - 21. Fabaeformiscandona breuili (Paris, 1920) nov. comb. - 22. Fabaeformiscandona bilohata (Klie, 1938). - 23. Fabaeformiscandona bilobatoides (Löffler, 1961). - Genus Schellencandona Meisch, 1996. - 1. Schellencandona schellenhergi (Klie, 1934). - 2. Schellencandona insueta (Klie, 1938). - 3. Schellencandona belgica (Klie, 1937). - 4. Schellencandona triquetra (Klie, 1936). - Genus Pseudocandona Kaufmann, 1900. - 1. Pseudocandona zschokkei (Wolf, 1920). - 2. Pseudocandona marchica (Hartwig, 1899). - 3. Pseudocandona rostrata (Brady & Norman, 1889). - 4. Pseudocandona sarsi (Hartwig, 1899). - 5. Pseudocandona hartwigi (G.W. Müller, 1900). - 6. Pseudocandona lobipes (Hartwig, 1900). - 7. Pseudocandona stagnalis (Sars, 1890). - 8. Pseudocandona semicognita (Schäfer, 1934). - 9. Pseudocandona eremita (Vejdovsky, 1882). - 10. Pseudocandona szoecsi (Farkas, 1958). - 11. Pseudocandona insculpta (G.W. Müller, 1900). - 12. Pseudocandona compressa (Koch, 1838). - 13. Pseudocandona sucki (Hartwig, 1901). - 14. Pseudocandona pratensis (Hartwig, 1901). - 15. Pseudocandona albicans (Brady, 1864). - Genus Cryptocandona Kaufmann, 1900. - 1. Cryptocandona vavrai Kaufmann, 1900. - 2. Cryptocandona kieferi (Klie, 1938). - 3. Cryptocandona reducta (Alm, 1914). - 4. Cryptocandona phreaticola (Klie, 1927). - 5. Cryptocandona leruthi (Klie, 1936). - 6. Cryptocandona dudichi (Klie, 1930). - Genus Mixtacandona Klie, 1938. - 1. Mixtacandona laisi (Klie, 1938). - 2. Mixtacandona transleithanica (Löffler, 1960). - 3. Mixtacandona spandli Rogulj & Danielopol, 1993. - Genus Candonopsis Vavra, 1891. - 1. Candonopsis kingsleii (Brady & Robertson, 1870). - 2. Candonopsis scourfieldi Brady, 1910. - Subfamily Cyclocypridinae Kaufmann, 1900. - Genus Cypria Zenker, 1854. - 1. Cypria exsculpta (Fischer, 1855). - 2. Cypria ophtalmica (Jurine, 1820). - 3. Cypria subsalsa Redeke, 1936. - 4. Cypria sywulae nom. nov. - 5. Cypria reptans Bronshtein, 1928. - Genus Physocypria Vavra, 1897. - 1. Physocypria kraepelini G.W. Müller, 1903. - Genus Cyclocypris Brady & Norman, 1889. - 1. Cyclocypris globosa (Sars, 1863). - 2. Cyclocypris serena (Koch, 1838). - 3. Cyclocypris laevis (O.F. Müller, 1776). - 4. Cyclocypris ovum (Jurine, 1820). - 5. Cyclocypris helocrenica Fuhrmann & Pietrzeniuk, 1990. - Family Ilyocyprididae Kaufmann, 1900. - Subfamily Ilyocypridinae Kaufmann, 1900. - Genus Ilyocypris Brady & Norman, 1889. - 1. Ilyocypris gibba (Ramdohr, 1808). - 2. Ilyocypris monstrifica (Norman, 1862). - 3. Ilyocypris decipiens Masi, 1905. - 4. Ilyocypris bradyi Sars, 1890. - 5. Ilyocypris inermis Kaufmann, 1900. - 6. Ilyocypris lacustris Kaufmann, 1900. - 7. Ilyocypris getica Masi, 1906. - Family Notodromadidae Kaufmann, 1900. - Subfamily Notodromadinae Kaufmann, 1900. - Genus Notodromas Lilljeborg, 1853. - 1. Notodromas monacha (O.F. Müller, 1776). - 2. Notodromas persica Gurney, 1921. - Subfamily Cyproidinae Hartmann, 1963. - Genus Cyprois Zenker, 1854. - 1. Cyprois marginata (Straus, 1821). - Family Cyprididae Baird, 1845. - Subfamily Cypridinae Baird, 1845. - Genus Cypris O.F. Müller, 1776. - 1. Cypris pubera O.F. Müller, 1776. - 2. Cypris bispinosa Lucas, 1849. - 3. Cypris striata (Jurine, 1820). - Subfamily Eucypridinae Bronshtein, 1947. - Genus Eucypris Vâvra, 1891. - 1. Eucypris virens (Jurine, 1820). - 2. Eucypris kerkyrensis Stephanides, 1937. - 3. Eucypris moravica Jancaffk, 1947. - 4. Eucypris lilljeborgi (G.W. Müller, 1900). - 5. Eucypris elliptica (Baird, 1846). - 6. Eucypris crassa (O.F. Müller, 1785). - 7. Eucypris anglica Fox, 1967. - 8. Eucypris pigra (Fischer, 1851). - Genus Koencypris n. gen. - 1. Koencypris ornata (O.F. Müller, 1776). - Genus Prionocypris Brady & Norman, 1896. - 1. Prionocypris zenkeri (Chyzer & Toth, 1858). - Genus Tonnacypris Diebel & Pietrzeniuk, 1975. - 1. Tonnacypris lutaria (Koch, 1838). - Genus Trajancypris Martens, 1989. - 1. Trajancypris serrata (G.W. Müller, 1900). - 2. Trajancypris clavata (Baird, 1838). - 3. Trajancypris laevis (G.W. Müller, 1900). - Subfamily Cypricercinae McKenzie, 1971. - Genus Bradleycypris McKenzie,1982. - 1. Bradleycypris obliqua (Brady, 1868). - Genus Bradleystrandesia Broodbakker, 1983. - 1. Bradleystrandesia fuscata (Jurine, 1820). - 2. Bradleystrandesia reticulata (Zaddach, 1844). - 3. Bradleystrandesia hirsuta (Fischer, 1851). - Subfamily Herpetocypridinae Kaufmann, 1900. - Genus Herpetocypris Brady & Norman, 1889. - 1. Herpetocypris reptans (Baird, 1835). - 2. Herpetocypris brevicaudata Kaufmann, 1900. - 3. Herpetocypris chevreuxi (Sars, 1896) 4. Herpetocypris helenae G.W. Müller, 1908. - 5. Herpetocypris interm
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  • 30
    Signatur: ZSP-708-19
    In: SCAR report, No. 19
    Materialart: Schriftenreihen ausleihbar
    Seiten: 17 S. , Ill., graph. Darst.
    Serie: SCAR report 19
    Sprache: Englisch
    Anmerkung: Contents: Executive Summary. - Introduction. - Objectives. - ANTOSTRAT background. - Summary statements. - Input needs for Antarctic paleoclimate modelling. - ANTOSTRAT data management with the information system PANGEA. - Ocean Drilling Programme. - Cape Roberts drilling. - Marine shallow drilling. - Dreging/coring. - Under-ice drilling. - Lake coring. - Terrestrial shallow drilling. - Cosmogenic surface exposure dating in Antarctica: progress and potential. - Synthesis and directions. - Summary. - References. - Acknowledgements. - Appendices. - 1. Workshop agenda. - 2. Workshop participants. - 3. Meeting Report published in EOS. - 4. Acronyms and abbreviations.
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  • 31
    Signatur: AWI Bio-00-0281
    In: Flora of the Russian Arctic, Volume III
    Beschreibung / Inhaltsverzeichnis: This volume - the third of six - continues the first comprehensive English-language flora of the Russian Arctic. Flora of the Russian Arctic translates Arkticheskaya Flora SSSR, the authoritative work of botanists of the komarov Botanical Institute prepared under the editorship of A. I. Tolmachev and B. A. Yurtsev. This unexcerpted translation was prepared by distinguished systematist G. C. D. Griffiths under the editorship of J. G. Packer, Professor Emeritus of Botany at the University of Alberta. It represents the first time this work has been made available in a language other than Russian. This third volume of Flora of the Russian Arctic describes the nine families here listed. Together, the six volumes in the series will treat some 360 genera, 1650 species and 220 infraspecific taxa, including many new combinations and previously undescribed species and subspecies. The original distribution maps and detailed keys to genera and species complement the species discussions. The Russian Arctic spans 160 degrees of longitude, from the Norwegian frontier to the Bering Strait. The comprehensive content and accomplished scholarship of this work, along with the size of the area covered, make Flora of the Russian Arctic an essential part of any botanical library.
    Materialart: Monographie ausleihbar
    Seiten: XXXV, 472 Seiten , Illustrationen
    Ausgabe: First English edition
    ISBN: 3443500242
    Serie: Flora of the Russian Arctic : a critical review of the vascular plants occurring in the Arctic region of the former Soviet Union 3
    Originaltitel: Arktičeskaja flora SSSR
    Sprache: Englisch , Latein
    Anmerkung: Contents Acknowledgements Editor's Preface Translator's Preface Preface to Volume V of the Russian Edition, Salicaceae-Portulacaceae Preface to Volume VI of the Russian Edition, Caryophyllaceae-Ranunculaceae Abbreviations Used in Citing Floristic and Systematic Literature FAMILY XX / Salicaceae — Willow Family GENUS 1 / Populus - Poplar GENUS 2 / Chosenia - Chosenia GENUS 3 / Salix - Willow FAMILY XXI / Betulaceae — Birch Family GENUS 1 / Betula - Birch GENUS 2 / Alnaster - Green Alder GENUS 3 / Alnus - Alder FAMILY XXII / Urticaceae — Nettle Family GENUS 1 / Urtica - Nettle FAMILY XXIII / Polygonaceae — Buckwheat Family GENUS 1 / Oxyria - Mountain Sorrel GENUS 2 / Rumex - Dock, Sorrel GENUS 3 / Rheum - Rhubarb GENUS 4 / Koenigia - Koenigia GENUS 5 / Polygonum - Knotweed, Smartweed FAMILY XXIV / Chenopodiaceae — Goosefoot Family GENUS 1 / Chenopodium - Goosefoot GENUS 2 / Monolepis - Monolepis GENUS 3 / Atriplex - Orache GENUS 4 / Corispermum - Bugseed FAMILY XXV / Portulacaceae — Purslane Family GENUS 1 / Claytonia - Spring Beauty GENUS 2 / Montia - Blinks FAMILY XXVI / Caryophyllaceae — Pink Family GENUS 1 / Stellaria - Chickweed, Stitchwort GENUS 2 / Cerastium - Mouse-ear Chickweed GENUS 3 / Sagina - Pearlwort GENUS 4 / Minuartia - Minuartia GENUS 5 / Honkenya - Sea Sandwort GENUS 6 / Arenaria - Sandwort GENUS 7 / Moehringia - Groue Sandwort GENUS 8 / Merckia - Mercfo'a GENUS 9 / Spergula - Corn Spurry GENUS 10 / Spergularia - Sand Spurry GENUS 11 / Agrostemma - Corn Cockle GENUS 12 / Viscaria - Catchfly GENUS 13 / Silene - Campion GENUS 14 / Lychnis - Lychnis GENUS 15 / Coronaria - Ragged Robin GENUS 16 / Gastrolychnis - Gastrolychnis GENUS 17 / Gypsophila - Baby's-breath GENUS 18 / Dianthus - Pink FAMILY XXVII / Faeoniaceae — Peony Family GENUS 1 /Paeonia - Peony FAMILY XXVIII / Ranunculaceae — Buttercup Family GENUS 1 / Caltha - Marsh Marigold GENUS 2 / Trollius - Globe Flower GENUS 2a / Coptis - Goldthread GENUS 3 / Aquilegia - Columbine GENUS 4 / Delphinium - Larkspur GENUS 5 / Aconitum - Monkshood GENUS 6 7 Anemone - Anemone GENUS 7 / Pulsatilla - Pasque Flower GENUS 8 / Atragene - Alpine Clematis GENUS 9 / Oxygraphis - Oxygraphis GENUS 10 / Beckwithia - Beckwithia GENUS 11 / Batrachium - White Water Crowfoot GENUS 12 / Ranunculus - Buttercup GENUS 13 / Thalictrum - Meadow Rue APPENDIX I / Summary of Data on the Geographical Distribution of Vascular Plants of the Soviet Arctic TABLE 5 / Distribution of Vascular Plants of the Soviet Arctic, Salicaceae-Ranunculaceae Index of Plant Names
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  • 32
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Bremerhaven : AWI
    Signatur: ZSP-994
    Materialart: Schriftenreihen ausleihbar
    ISSN: 1618-3703
    Sprache: Deutsch , Englisch
    Anmerkung: Text in deutscher und englischer Sprache
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