ALBERT

Anmerkung: In span. Sprache

Anmerkung: Contents: Introduction. - A changing climate. - The emerging land. - The frozen past. - From ice to sea. - Plant adaptation. - Land of contrasts. - Sheep farming - now and in the future. - Methane in the Arctic. , Parallel texts in Danish and English

Anmerkung: Contents: Preface to Fourth Edition. - Preface to Third Edition. - Preface to Second Edition. - Preface to First Edition. - Acknowledgments. - PART I THE PERIGLACIAL DOMAIN. - 1 Introduction. - 1.1 The Periglacial Concept. - 1.2 Diagnostic Criteria. - 1.3 Periglacial Environments. - 1.4 The Periglacial Domain. - 1.5 The Periglacial Domain and the Cryosphere. - 1.6 Disciplinary Considerations. - 1.6.1 The Growth of Geocryology. - 1.6.2 The Challenge of Quaternary Science. - 1.6.3 Periglacial Geomorphology or Cold-Region Geomorphology?. - 1.7 Societal Considerations. - 1.8 The Growth of Periglacial Knowledge. - 2 Periglacial Climates. - 2.1 Boundary Conditions. - 2.2 Cold Deserts. - 2.3 Regional Climates. - 2.3.1 High Arctic Climates. - 2.3.2 Continental Climates. - 2.3.3 Alpine Climates. - 2.3.4 Montane Climates. - 2.3.5 Climates of Low Annual Temperature Range. - 2.3.6 Antarctica: A Special Case. - 2.4 Snow and Ice. - 2.5 Wind. - 2.6 Ground Climates. - 2.6.1 The 'n'-Factor. - 2.6.2 The Thermal Offset. - 2.6.3 The Ground Temperature Regime. - 2.7 Periglacial Climates and Global Climate Change. - 2.7.1 Basic Facts. - 2.7.2 Why Climate-Cryosphere Interactions Accelerate Climate Warming. - 3 Periglacial Ecosystems. - 3.1 General Statement. - 3.2 Biogeographic Zonation and Major Vegetation Types. - 3.3 Adaptations to Cold, Snow, Wind and Aridity. - 3.4 The Effect of Vegetation. - 3.5 The Polar Deserts. - 3.5.1 The High Arctic Polar Deserts. - 3.5.2 The High Arctic Polar Semi-Deserts. - 3.6 The Polar Desert-Tundra Transition. - 3.7 The Low-Arctic Tundra. - 3.8 The Forest-Tundra Bioclimatic Boundary (The Tree Line). - 3.9 The Boreal Forest. - 3.10 The Alpine and Montane Ecosystems. - 3.11 Antarctica - A Special Case. - 3.12 Periglacial Ecosystems and Climate Change. - PART II FROZEN GROUND AND PERMAFROST. - 4 Ground Freezing, Permafrost and the Active Layer. - 4.1 Introduction. - 4.2 Ground Freezing. - 4.2.1 Basic Concepts. - 4.2.2 Ice Segregation. - 4.2.3 "The Frozen Fringe'. - 4.2.4 Frost Heave. - 4.3 Perennially-Frozen Ground (Permafrost). - 4.4 Moisture and Ice Within Permafrost. - 4.5 Thermal and Physical Properties. - 4.5.1 The Geothermal Regime. - 4.5.2 The TTOP Model. - 4.5.3 Physical Properties. - 4.5.4 Thermal Properties. - 4.6 Permafrost Hydrology. - 4.6.1 Aquifers. - 4.6.2 Hydrochemistry. - 4.6.3 Groundwater Icings. - 4.7 The Active Layer. - 4.7.1 Terminology. - 4.7.2 The Active-Layer Thermal Regime. - 4.7.3 The Transient Layer. - 4.7.4 The Stefan Equation. - 5 Permafrost Distribution and Stability. - 5.1 Introduction. - 5.2 Controls over Permafrost Distribution. - 5.2.1 Relief and Aspect. - 5.2.2 Rock Type. - 5.2.3 Vegetation. - 5.2.4 Snow Cover. - 5.2.5 Fire. - 5.2.6 Lakes and Surface Water Bodies. - 5.3 Spatial Extent of Permafrost and Frozen Ground. - 5.3.1 Latitudinal Permafrost. - 5.3.2 Alpine (Mountain) Permafrost. - 5.3.3 Montane Permafrost. - 5.3.4 Seasonally-Frozen Ground. - 5.4 Sub-Sea and Relict Permafrost. - 5.4.1 Sub-Sea Permafrost. - 5.4.2 Relict (Terrestrial) Permafrost. - 5.5 Permafrost and Ecosystems. - 5.6 Permafrost Monitoring and Mapping. - 5.6.1 CALM and GTN-P (TSP). - 5.6.2 BTS and Mountain Permafrost Probability Mapping. - 5.7 Climate Warming and Permafrost. - 5.7.1 Evidence for Warming Permafrost. - 5.7.2 Evidence for Thawing Permafrost. - 6 Ground Ice and Cryostratigraphy. - 6.1 Introduction. - 6.2 Quantitative Parameters. - 6.3 Epigenetic, Syngenetic and Polygenetic Permafrost. - 6.4 Classification. - 6.4.1 The Russian Approach. - 6.4.2 The North American Approach. - 6.5 Main Ground Ice Types. - 6.5.1 Pore Ice. - 6.5.2 Segregated Ice. - 6.5.3 Intrusive Ice. - 6.5.4 Vein Ice. - 6.5.5 Other Types of Ice. - 6.6 Ice Distribution. - 6.6.1 Amounts. - 6.6.2 Distribution with Depth. - 6.6.3 Ice in Bedrock. - 6.6.4 Ice in Poorly-Lithified Sediments. - 6.7 Cryostratigraphy and Cryolithology. - 6.7.1 Cryostructural Analysis. - 6.7.2 Cryostructures of Epigenetic and Syngenetic Permafrost. - 6.7.3 Thaw Unconformities. - 6.7.4 Aggradational Ice. - 6.7.5 Icy Bodies and Ice, Sand and Soil Pseudomorphs. - 6.8 Ice Crystallography. - 6.9 Ice Geochemistry. - 6.10 Massive Ice and Massive-Icy Bodies. - 6.10.1 Nature and Extent. - 6.10.2 Intra-Sedimental Ice. - 6.10.3 Buried Glacier Ice. - 6.11 Cryostratigraphy and Past Environments. - 7 Aggradational Permafrost Landforms. - 7.1 Introduction. - 7.2 How Does Permafrost Aggrade?. - 7.2.1 The Illisarvik Drained-Lake Experiment. - 7.3 Thermal-Contraction-Crack Polygons. - 7.3.1 Coefficients of Thermal Expansion and Contraction. - 7.3.2 Ice, Sand and Soil ('Ground') Wedges. - 7.3.3 Development of the Polygon Net. - 7.3.4 Polygon Morphology. - 7.3.5 Controls over Cracking. - 7.3.6 Climatic Significance. - 7.4 Ice and Sand Wedges. - 7.4.1 Epigenetic Wedges. - 7.4.2 Syngenetic Wedges. - 7.4.3 Anti-Syngenetic Wedges. - 7.4.4 Growth and Deformation of Wedges. - 7.5 Organic Terrain. - 7.5.1 Palsas. - 7.5.2 Peat Plateaus. - 7.6 Frost Mounds. - 7.6.1 Perennial-Frost Mounds. - 7.6.2 Hydraulic (Open) System Pingos. - 7.6.3 Hydrostatic (Closed) System Pingos. - 7.6.4 Other Perennial-Frost Mounds. - 7.6.5 Seasonal-Frost Mounds. - 7.6.6 Hydrolaccoliths and Other Frost-Induced Mounds. - 8 Thermokarst Processes and Landforms. - 8.1 Introduction. - 8.2 Thawing Ground. - 8.2.1 Thaw Strain and Thaw Settlement. - 8.2.2 Potential Depths of Soil Freezing and Thawing. - 8.2.3 The Development of Thermokarst. - 8.3 Causes of Thermokarst. - 8.3.1 General Comments. - 8.3.2 Specific Causes. - 8.4 Thaw-Related Processes. - 8.4.1 Thermokarst Subsidence (Thaw Settlement). - 8.4.2 Thermal Erosion. - 8.4.3 Other Processes. - 8.5 Thermokarst Sediments and Structures. - 8.5.1 Involuted Structures. - 8.5.2 Retrogressive-Thaw-Slumps and Debris-Flow Deposits. - 8.5.3 Ice-Wedge Pseudomorphs and Composite-Wedge Casts. - 8.5.4 Ice, Silt, Sand and Gravel Pseudomorphs. - 8.6 Thermokarst Landscapes. - 8.6.1 The Alas-Thermokarst Relief of Central Yakutia. - 8.6.2 The Western North American Arctic. - 8.6.3 The Ice-Free Areas of Continental Antarctica. - 8.7 Ice-Wedge Thermokarst Relief. - 8.7.1 Low-Centred Polygons. - 8.7.2 High-Centred Polygons. - 8.7.3 Badland Thermokarst Relief. - 8.8 Thaw Lakes and Depressions. - 8.8.1 Lakes and Taliks. - 8.8.2 Morphology. - 8.8.3 Growth and Drainage. - 8.8.4 Oriented Thaw Lakes. - Part III Periglacial Geomorphology. - 9 Cold-Climate Weathering. - 9.1 Introduction. - 9.2 General Weathering Facts. - 9.3 Freezing and Thawing Indices. - 9.4 Rock (Frost?) Shattering. - 9.4.1 Frost Action and Ice Segregation. - 9.4.2 Insolation and Thermal Shock. - 9.4.3 Perspective. - 9.5 Chemical Weathering. - 9.5.1 Karkevagge. - 9.5.2 Solution and Karstification. - 9.5.3 Salt Weathering. - 9.6 Cryogenic Weathering. - 9.6.1 Cryogenic Disintegration. - 9.6.2 The Coefficient of Cryogenic Contrast. - 9.6.3 Physico-Chemical Changes. - 9.6.4 Problematic Phenomena. - 9.7 Cryobiological Weathering. - 9.8 Rates of Cold-Climate Bedrock Weathering. - 9.9 Cryosols and Cryopedology. - 9.9.1 Cryosols. - 9.9.2 Classification. - 9.9.3 Cryosolic Micromorphology. - 10 Mass-Wasting Processes and Active-Layer Phenomena. - 10.1 Introduction. - 10.2 Slow Mass-Wasting Processes. - 10.2.1 Solifluction. - 10.2.2 Frost Creep. - 10.2.3 Gelifluction. - 10.2.4 Solifluction Deposits and Phenomena. - 10.3 Rapid Mass-Wasting Processes. - 10.3.1 Active-Layer-Detachment Slides. - 10.3.2 Debris Flows, Slush Flows and Avalanches. - 10.3.3 Rockfall. - 10.4 Snow Hydrology and Slopewash Processes. - 10.4.1 Snow Hydrology and Snowbanks. - 10.4.2 Surface and Subsurface Wash. - 10.5 Active-Layer Phenomena. - 10.5.1 Frost Heaving. - 10.5.2 Bedrock Heave. - 10.5.3 Upward Heaving of Stones and Objects. - 10.5.4 Stone Tilting. - 10.5.5 Ne

Anmerkung: Inhalt Vorwort „Zu diesem Heft“ / B. BRÜMMER 1. Athmosphärische Bedingungen und Energiehaushalt der Arktis im Jahresgang / B. BRÜMMER 2. Regionale und globale Wechselwirkung zwischen arktischem Meereis und der atmosphärischen Zirkulation / K. DETHLOFF, A. RINKE, D. HANDORF, R. JAISER, W. DORN, A. SOMMERFELD 3. Arktische Verstärkung und Wolken / M. WENDISCH, A. EHRLICH 4. Arktische Zyklonen: Häufigkeit und Wirkung auf das Meereis / B. BRÜMMER 5. Polare Kaltluftausbrüche / M. GRYSCHKA 6. Arktische Polynjen / S. WILLMES, G. HEINEMANN, A. PREUSSER 7. Turbulente Energie- und Impulsflüsse in der atmosphärischen Grenzschicht über dem polaren Ozean / C. LÜPKES, A. SCHMITT, V. GRYANIK 8 Der katabatische Wind über Grönland / G. HEINEMANN Buchbesprechung Examina im Jahr 2017

Anmerkung: INHALT: EDITORIAL. - Auf den Spuren des Wandels: Forschung an den Brennpunkten unseres Planeten. - SCHWERPUNKTTHEMA. - Hotspot Arktis – wenn das Eis verschwindet. - OZEANOGRAPHIE. - E-Mails vom Filchner-Schelfeis. - MEEREISVORHERSAGE. - Wenn zwei sich „streiten“. - KLIMAMODELLIERUNG. - Stets die richtige Maschenweite. - HYDROAKUSTIK. - Der Sound des Ozeans. - OZEANOGRAPHIE. - Der Wärme-Pulsschlag des Nordatlantiks. - OZEANOGRAPHIE. - Wohin wandert der Rieseneisberg vom Larsen C-Schelfeis?. - ATMOSPHÄRENFORSCHUNG. - Per Anhalter in die Arktis. - KLIMAMODELLIERUNG. - Die Stärken des Rechnens. - FERNERKUNDUNG. - Die Lücken im Blick. - ATMOSPHÄRENFORSCHUNG. - Die Ozon-Story. - MEEREISPHYSIK. - Messungen aus der Vogelperspektive. - FORSCHUNGSVERBUND. - Den Klimawandel vor der Haustür verstehen. - INFOGRAFIK. - Einblicke in das Klima der Vergangenheit. - MEERESSPIEGELANSTIEG. - Eis weg - Land unter!. - IMPRESSUM.

Anmerkung: Table of Contents Abstract Kurzfassung Abbreviations and nomenclature 1. Introduction 2. Scientific Background 2.1. Permafrost 2.2.Retrogressive Thaw Slumps 2.3. Inputs of Freshwater, Sediment and Carbon into the Canadian Beaufort Sea 3. Study Area 3.1. Regional Setting: Yukon Coast and Herschel Island 3.2. Retrogressive Thaw Slumps 4. Material and Methods 4.1. Field Work 4.1.1. Terrain Photography 4.1.2. Differential Global Positioning System (DGPS) 4.1.3. Light Detection And Ranging (LiDAR) and Digital Elevation Model (DEM) 4.1.4. Micrometeorology 4.1.5. Discharge Measurement 4.1.6. Multiple Regression-Statistical Relationships between Micrometeorological Variables and Discharge 4.1.7. Sampling 4.2. Laboratory Analyses 4.2.1. Sedimentological Analyses 4.2.2. Hydrochemical Analyses 4.3. Fluxes of Sediment and (In-) Organic Matter 5. Results 5.1. Field Work 5.1.1. Terrain Photography 5.1.2. Differential Global Positioning System (DGPS) 5.1.3. Light Detecting And Ranging (LiDAR) and Digital Elevation Model (DEM) 5.1.4. Micrometeorology 5.1.5. Discharge 5.1.6. Multiple Regression - Statistical Relationships between Micrometeorology and Discharge 5.2. Laboratory Analyses 5.2.1. Sedimentological Analyses 5.2.2. Hydrochemical Analyses 5.3. Fluxes of Sediment-meltwater 6. Discussion 6.1. Microclimatological and Geomorphological Factors Controlling Discharge 6.1.1. Diurnal Variations 6.1.2. Seasonal Variations 6.2. Contribution of Retrogressive Thaw Slumps to the Sediment Budget of the Yukon Coast 6.2.1. Origin of Outflow Material 6.2.2. Slump D in the Regional Context 6.2.3. Seasonal Sediment Budget Compilation for Slump D 6.2.4. Retrogressive Thaw Slump Occurrence along the Yukon Coast 6.2.5. Input to the Beaufort Sea 6.3. Projected Climatic Change and its Impact on Retrogressive Thaw Slump Outflow 6.4. Uncertainties and Limitations 6.5. Future Research 7. Conclusion 8. Appendix 8.1. Field Work 8.1.1. Slump D's northern headwall profile 8.1.2. Collinson Head slump 8.1.3. Herschel Island West Coast slump 8.1.4. Roland Bay slump 8.1.5. Kay Point slump 8.2. Laboratory Work 8.2.1. Volumetric Ice Content 8.2.2. Grain Size 8.3. Evolution of Slump D 8.3.1. Geo Eye satellite of Slump D 8.3.2. Aerial Oblique Photography of Slump D 8.3.3. LiDAR of Slump D 8.3.4. Time Lapse Photography of Slump D's Headwall 9. References 10. Financial and technical support 11. Acknowledgement - Danksagung

Anmerkung: CONTENTS: INTRODUCTION. - VARIATIONS IN CLIMATE. - LIVING GLACIERS AND THEIR MOTIONS. - HOW GLACIERS SCOUR THEIR VALLEYS. - STRIATED STONES AND BouLDER CLAY. - SEASONALLY BANDED CLAYS. - METAMORPHOSED GLACIAL DEPOSITS. - PART I THE PLEISTOCENE ICE AGE. - CHAPTER I PLEISTOCENE GLACIATION IN NORTH AMERICA. - GENERAL FEATURES. - THE DRIFT. - EXTENT OF PLEISTOCENE GLACIATION. - DIFFERENCES IN CLIMATE DURING THE ICE AGE. - THE CORDILLERAN ICE SHEET. - THE KEEWATIN ICE SHEET. - THE LABRADOREAN ICE SHEET. - CONDITIONS SOUTH OF THE MAIN ICE SHEETS. - INTERGLACIAL PERIODS IN AMERICA. - TORONTO AND MOOSE RIVER INTERGLACIAL FORMATIONS. - GLACIATION IN GREENLAND. - REFERENCES. - CHAPTER II THE ICE AGE IN OTHER REGIONS. - GLACIATION IN ICELAND AND SPITZBERGEN. - GLACIATION OF NORTHERN EUROPE. - THE ICE AGE IN THE ALPS. - THE ICE AGE IN ASIA. - THE ICE AGE IN TROPICAL AND SOUTH TEMPERATE LANDS. - GLACIATION IN ANTARCTICA. - THE SLOPE OF THE SURFACE AND THE THICKNESS OF ICE SHEETS. - REFERENCES. - CHAPTER Ill RESULTS OF PLEISTOCENE GLACIATION. - GENERAL CONCLUSIONS. - EFFECTS OF GLACIATION ON LIFE. - PLACES OF REFUGE. - LIFE ON NUNATAKS. - EFFECTS OF ICE SHEETS COMBINED WITH BARRIERS. - ICE SHEETS AND ISOSTASY. - DURATION OF THE PLEISTOCENE ICE AGE. - REFERENCES. - PART II PRE-PLEISTOCENE ICE AGES. - CHAPTER IV CENOZOIC AND MESOZOIC GLACIATION. - PROBABLE TILLITES IN EUROPE. - EOCENE GLACIATION IN NORTH AMERICA. - EOCENE GLACIATION IN ANTARCTICA. - EFFECTS ON LIFE OF THE EOCENE COOLING. - MESOZOIC GLACIATION IN CENTRAL AFRICA. - JURASSIC TILLITES IN NORTH AMERICA. - REFERENCES. - CHAPTER V LATE PALÆOZOIC GLACIATION. - INTRODUCTION. - PERMIAN AND CARBONIFEROUS GLACIATION IN EUROPE. - REFERENCES. - CHAPTER VI PERMO-CARBONIFEROUS GLACIATION IN INDIA. - THE TALCHIRS. - THE SALT RANGE TILLITES. - A VISIT TO THE TALCHlRS. - PERMO-CARBONIFEROUS DEPOSITS IN OTHER PARTS OF ASIA. - EXTENT AND CHARACTER OF THE ASIATIC GLACIATION. - EFFECTS ON LIFE OF THE INDIAN GLACIATION. - REFERENCES. - CHAPTER VII PERMO-CARBONIFEROUS GLACIATION IN AFRICA. - INTRODUCTION. - DWYKA TILLITE IN SOUTHERN CAPE COLONY. - THE DWYKA IN NATAL. - THE DWYKA IN TRANSVAAL. - GLACIAL FEATURES NEAR KIMBERLEY. - EXTENT OF SOUTH AFRICAN GLACIATION. - EFFECTS OF GLACIATION ON THE LIFE OF SOUTH AFRICA. - REFERENCES. - CHAPTER VIII LATE PALÆOZOIC GLACIATION IN AUSTRALIA. - GENERAL FEATURES. - A GLIMPSE OF THE AUSTRALIAN GLACIAL BEDS. - SPECIAL FEATURES OF THE LATE PALÆOZOIC GLACIATION IN AUSTRALIA. - EFFECTS OF THE GLACIATION ON THE FLORA AND FAUNA. - PERMO-CARBONIFEROUS GLACIATION IN NEW ZEALAND. - POSSIBLE GLACIATION IN THE MALAY STATES. - REFERENCES. - CHAPTER IX PERMO-CARBONIFEROUS GLACIATION IN SOUTH AMERICA. - INTRODUCTION. - GLACIAL BEDS IN SÃO PAULO, SOUTHERN BRAZIL. - TILLITES IN STATES SOUTHWEST OF SÃO PAULO. - SUGGESTION OF TILLITE IN URUGUAY. - GLACIATION IN SOUTHEASTERN ARGENTINA. - TILLITES NEAR SAN JUAN IN WESTERN ARGENTINA. - GLACIAL CONGLOMERATES IN BOLIVIA. - PERMO-CARBONIFEROUS GLACIATION IN THE FALKLAND ISLANDS. - AREA AND GENERAL FEATURES OF GLACIATION IN SOUTH AMERICA. - RELATIONS OF THE FLORA AND FAUNA TO GLACIATION. - REFERENCES. - CHAPTER X PERMIAN OR CARBONIFEROUS GLACIATION IN NORTH AMERICA. - BOULDER CONGLOMERATES IN NOVA SCOTIA. - A POSSIBLE PERMIAN MORAINE IN PRINCE EDWARD ISLAND. - THE SQUANTUM TILLITE. - ALASKAN PERMO-CARBONIFEROUS TILLITES. - OTHER POSSIBLE PERMIAN OR CARBONIFEROUS TILLITES. - CORRELATION OF THE LATE PALÆOZOIC GLACIAL DEPOSITS. - EFFECTS ON LIFE OF THE LATE PALÆOZOIC ICE AGE. - REFERENCES. - CHAPTER XI MIDDLE AND EARLY PALÆOZOIC GLACIATION. - DEVONIAN GLACIATION. - SILURIAN GLACIATION. - ORDOVICIAN GLACIATION IN EUROPE. - THE LIMESTONE CONGLOMERATE. - REFERENCES. - CHAPTER XII GLACIATION AT OR JUST BEFORE THE BEGINNING OF THE CAMBRIAN. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN TILLITES IN EUROFE. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN BOULDER CONGLOMERATES IN NORTH AMERICA. - EARLY CAMBRIAN GLACIATION IN ASIA. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN TILLITES IN SOUTH AFRICA. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN TILLITES IN AUSTRALIA. - REFERENCES. - CHAPTER XIII GLACIATION IN HURONIAN AND EARLIER TIMES. - HURONIAN TILLITES. - OTHER TILLITES WHICH MAY BE HURONIAN. - TIMISKAMIAN OR SUDBURIAN BOULDER CONGLOMERATES. - SEASONAL BANDING IN TIMISKAMIAN OR SUDBURIAN ROCKS. - THE DORÉ CONGLOMERATE. - THE DARWAR BOULDER CONGLOMERATE OF INDIA. - CONCLUSIONS. - REFERENCES. - PART Ill CAUSES OF GLACIATION. - INTRODUCTION. - FEATURES THAT HAVE TO BE ACCOUNTED FOR. - TYPES OF THEORIES PROPOSED TO ACCOUNT FOR ICE AGES. - CHAPTER XIV GEOLOGICAL THEORIES OF ICE AGES. - THE SUPPOSED COOLING OF THE EARTH. - THEORIES CONNECTED WITH CHANGES OF LEVEL. - THE EFFECTS OF DEPRESSION. - THE SUPPOSED DRIFT OF CONTINENTS. - CHANGES IN OCEAN CURRENTS. - REFERENCES. - CHAPTER XV ATMOSPHERIC AND ASTRONOMIC THEORIES. - ATMOSPHERIC CHANGES AS CAUSES OF GLACIATION. - EFFECTS OF CARBON DIOXIDE. - EFFECTS OF VOLCANIC DUST. - CROLL'S THEORY OF CHANGES OF EXCENTRICITY IN THE EARTH'S ORBIT. - DRAYSON'S THEORY OF CHANGES OF ANGLE OF THE EARTH'S TO THE ECLIPTIC. - SHIFTING OF THE EARTH'S AXIS. - CHANGES IN THE RADIATION OF THE SUN. - CHANGES IN THE TEMPERATURE OF SPACE. - CONCLUSIONS. - REFERENCES. - INDEX TO AUTHORS. - GENERAL INDEX.