ALBERT

Note: CONTENTS: Abstract. - Preface. - Introduction. - Sample preparation. - Apparatus and testing procedure. - Test results. - Uniaxial strength. - Initial tangent and 50% strength moduli. - Specific energy. - Discussion. - Testing method. - Compressive strength. - Tensile strength. - Ductile and brittle fracture.. - Initial tangent and 50% stress moduli. - Specific energy. - Conclusions and recommendations. - References. - Appendix A: Description of soil and calculations. - Appendix B: Description of the LVDT and averaging circuits. - Appendix C: Determination of strain in the neck section of a dumbbell specimen.

Note: Table of Contents: List of contributors. - Cryosphere Science: Series Preface. - Preface. - Acknowledgments. - About the companion website. - 1 Remote sensing and the cryosphere. - 1.1 Introduction. - 1.2 Remote sensing. - 1.2.1 The electromagnetic spectrum and blackbody radiation. - 1.2.2 Passive systems. - 1.2.3 Active systems. - 1.3 The cryosphere. - References. - 2 Electromagnetic properties of components of the cryosphere. - 2.1 Electromagnetic properties of snow. - 2.1.1 Visible/near-infrared and thermal infrared. - 2.1.2 Microwave region. - 2.2 Electromagnetic properties of sea ice. - 2.2.1 Visible/near-infrared and thermal infrared. - 2.2.2 Microwave region. - 2.3 Electromagnetic properties of freshwater ice. - 2.4 Electromagnetic properties of glaciers and ice sheets. - 2.4.1 Visible/near-infrared and thermal infrared. - 2.4.2 Microwave region. - 2.5 Electromagnetic properties of frozen soil. - 2.5.1 Visible/near-infrared and thermal infrared. - 2.5.2 Microwave region. - References. - Acronyms. - Websites cited. - 3 Remote sensing of snow extent. - 3.1 lntroduction. - 3.2 Visible/near-infrared snow products. - 3.2.1 The normalized difference snow index (NDSI). - 3.3 Passive microwave products. - 3.4 Blended VNIR/PM products. - 3.5 Satellite snow extent as input to hydrological models. - 3.6 Concluding remarks. - Acknowledgments. - References. - Acronyms. - Websites cited. - 4 Remote sensing of snow albedo, grain size, and pollution from space. - 4.1 Introduction. - 4.2 Forward modeling. - 4.3 Local optical properties of a snow layer. - 4.4 Inverse problem. - 4.5 Pitfalls of retrievals. - 4.6 Conclusions. - Acknowledgments. - References. - Acronyms. - Websites cited. - 5 Remote sensing of snow depth and snow water equivalent. - 5.1 Introduction. - 5.2 Photogrammetry. - 5.3 LiDAR. - 5.4 Gamma radiation. - 5.5 Gravity data. - 5.6 Passive microwave data. - 5.7 Active microwave data. - 5.8 Conclusions. - References. - Acronyms. - Websites cited. - 6 Remote sensing of melting snow and ice. - 6.1 Introduction. - 6.2 General considerations on optical/thermal and microwave sensors and techniques for remote sensing of melting. - 6.2.1 Optical and thermal sensors. - 6.2.2 Microwave sensors. - 6.2.3 Electromagnetic properties of dry and wet snow. - 6.3 Remote sensing of melting over land. - 6.4 Remote sensing of melting over Greenland. - 6.4.1 Thermal infrared sensors. - 6.4.2 Microwave sensors. - 6.5 Remote sensing of melting over Antarctica. - 6.6 Conclusions. - References. - Acronyms. - 7 Remote sensing of glaciers. - 7.1 Introduction. - 7.2 Fundamentals. - 7.3 Satellite instruments for glacier research. - 7.4 Methods. - 7.4.1 Image classification for glacier mapping. - 7.4.2 Mapping debris-covered glaciers. - 7.4.3 Glacier mapping with SAR data. - 7.4.4 Assessing glacier changes. - 7.4.5 Area and length changes. - 7.4.6 Volumetrie glacier changes. - 7.4.7 Glacier velocity. - 7.5 Glaciers of the Greenland ice sheet. - 7.5.1 Surface elevation. - 7.5.2 Glacier extent. - 7.5.3 Glacier dynamics. - 7.6 Summary. - References. - Acronyms. - Websites cited. - 8 Remote sensing of accumulation over the Greenland and Antarctic ice sheets. - 8.1 Introduction to accumulation. - 8.2 Spaceborne methods for determining accumulation over ice sheets. - 8.2.1 Microwave remote sensing. - 8.2.2 Other remote sensing techniques and combined methods. - 8.3 Airborne and ground-based measurements of accumulation. - 8.3.1 Ground-based. - 8.3.2 Airborne. - 8.4 Modeling of accumulation. - 8.5 The future for remote sensing of accumulation. - 8.6 Conclusions. - References. - Acronyms. - Website cited. - 9 Remote sensing of ice thickness and surface velocity. - 9.1 Introduction. - 9.1.1 Electrical properties of glacial ice. - 9.2 Radar principles. - 9.2.1 Radar sounder. - 9.2.2 Radar equation. - 9.3 Pulse compression. - 9.4 Antennas. - 9.5 Example results. - 9.6 SAR and array processing. - 9.7 SAR Interferometry. - 9. 7.1 Introduction. - 9.7.2 Basic theory. - 9.7.3 Practical considerations of InSAR systems. - 9.7.4 Application of InSAR to Cryosphere remote sensing. - 9.8 Conclusions. - References. - Acronyms. - 10 Gravimetry measurements from space. - 10.1 Introduction. - 10.2 Observing the Earth's gravity field with inter-satellite ranging. - 10.3 Surface mass variability from GRACE. - 10.4 Results. - 10.5 Conclusions. - References. - Acronyms. - 11 Remote sensing of sea ice. - 11.1 Introduction. - 11.2 Sea ice concentration and extent. - 11.2.1 Passive microwave radiometers. - 11.2.2 Active microwave - scatterometry and radar. - 11.2.3 Visible and infrared. - 11.2.4 Operational sea ice analyses. - 11.3 Sea ice drift. - 11.4 Sea ice thickness and age, and snow depth. - 11.4.1 Altimetric thickness estimates. - 11.4.2 Radiometric thickness estimates. - 11.4.3 Sea ice age estimates as a proxy for ice thickness. - 11.5 Sea ice melt onset and freeze-up, albedo, melt pond fraction and surface temperature. - 11.5.1 Melt onset and freeze-up. - 11.5.2 Sea ice albedo and melt pond fraction. - 11.5.3 Sea ice surface temperature. - 11.6 Summary, challenges and the road ahead. - References. - Acronyms. - Website cited. - 12 Remote sensing of lake and river ice. - 12.1 Introduction. - 12.2 Remote sensing of lake ice. - 12.2.1 Ice concentration, extent and phenology. - 12.2.2 Ice types. - 12.2.3 Ice thickness and snow on ice. - 12.2.4 Snow/ice surface temperature. - 12.2.5 Floating and grounded ice: the special case of shallow Arctic/sub-Arctic lakes. - 12.3 Remote sensing of river ice. - 12.3.1 Ice extent and phenology. - 12.3.2 lce types, ice jams and flooded areas. - 12.3.3 Ice thickness. - 12.3.4 Surface flow velocities. - 12.3.5 Incorporating SAR-derived ice information into a GIS-based system in support of river-flow modeling and flood forecasting. - 12.4 Conclusions and outlook. - Acknowledgments. - References. - Acronyms. - Websites cited. - 13 Remote sensing of permafrost and frozen ground. - 13.1 Permafrost - an essential climate variable of the "Global Climate Observing System". - 13.2 Mountain permafrost. - 13.2.1 Remote sensing of surface features and permafrost landforms. - 13.2.2 Generation of digital elevation models. - 13.2.3 Terrain elevation change and displacement. - 13.3 Lowland permafrost - identification and mapping of surface features. - 13.3.1 Land cover and vegetation. - 13.3.2 Permafrost landforms. - 13.3.3 Landforms and processes indicating permafrost degradation. - 13.4 Lowland permafrost - remote sensing of physical variables related to the thermal permafrost state. - 13.4.1 Land surface temperature through thermal remote sensing. - 13.4.2 Freeze-thaw state of the surface soil through microwave remote sensing. - 13.4.3 Permafrost mapping with airborne electromagnetic surveys. - 13.4.4 Regional surface deformation through radar interferometry. - 13.4.5 A gravimetric signal of permafrost thaw?. - 13.5 Outlook - remote sensing data and permafrost models. - References. - Acronyms. - 14 Field measurements for remote sensing of the cryosphere. - 14.1 Introduction. - 14.2 Physical properties of interest. - 14.2.1 Surface properties. - 14.2.2 Sub-surface properties. - 14.3 Standard techniques for direct measurements of physical properties. - 14.3.1 Topography. - 14.3.2 Snow depth. - 14.3.3 Snow water equivalent and density. - 14.3.4 Temperature. - 14.3.5 Stratigraphy. - 14.3.6 Sea ice depth and ice thickness. - 14.4 New techniques for high spatial resolution measurements. - 14.4.1 Topography. - 14.4.2 Surface properties. - 14.4.3 Sub-surface properties. - 14.5 Simulating airborne and spaceborne observations from the ground. - 14.5.1 Active microwave. - 14.5.2 Passive microwave. - 14.6 Sampling strategies for remote sensing field campaigns: concepts and examples. - 14.6.1 Ice sheet campaigns. - 14.6.2 Seasonal snow campaigns. - 14.6.3 Sea ice campaigns. - 14.7 Conclusions. - References. - Acronyms. - Websites cited. - 15 Remote sensing missions and the cryosphere. - 15.1 In

Note: Contents: Figures. - Tables. - Preface. - Illustrations. - 1. Introduction. - 1.1 Background. - 1.2 Scope of the text. - 1.3 World vegetation types. - 1.3.1 Vegetation formations and zones. - 1.3.2 Zonobiomes. - 1.3.3 Exoclimates. - 1.3.4 The Canadian vegetation classification system. - 1.3.5 Ecozones. - 1.3.6 Floristic realms. - 1.3.7 Plant species nomenclature. - 1.4 Soil classification and soil systems. - 1.5 Climatic parameters. - 1.5.1 The role of climate. - 1.5.2 Moisture indices. - 1.5.3 Climate diagrams. - 1.6 Plant strategies. - 1.6.1 Competition. - 1.6.2 Hydrature and moisture regulation. - 1.6.3 Life forms. - 1.6.4 Leaf morphology and adaptation. - 1.7 Biomass and net primary productivity. - 2. Tundra 2.1 Tundra distribution. - 2.2 Climate. - 2.3 Soils. - 2.4 Tundra in North America. - 2.4.1 Ecoclimatic sub-provinces and regions. - 2.4.2 High and mid-Arctic. - 2.4.3 Low Arctic. - 2.5 Tundra in other Northern Hemisphere locations. - 2.5.1 Arctic Tundra. - 2.5.2 Typical Tundra. - 2.5.3 Southern Tundra. - 2.5.4 Tundra on Arctic Islands. - 2.6 Tundea in the Southern Hemisphere. - 2.6.1 The Antarctic Subregion. - 2.6.2 The Sub-Antarctic Subregion. - 2.7 Alpine Tundra. - 2.7.1 Temperate-latitude alpine Tundra. - 2.7.2 Low-latitude (equatorial) alpine Tundra. - 2.8 Primary production and phytomass in Tundra. - 3. Forest-Tundra or Boreal-Tundra Ecotone. - 3.1 Definitions. - 3.2 Distribution. - 3.3 Climate. - 3.4 Soils. - 3.5 Forest-Tundra in Canada. - 3.5.1 Ecoclimatic sub-provinces. - 3.5.2 The shrub subzone (Northern Forest-Tundra). - 3.5.3 The forest subzone (Southern Forest Tundra). - 3.6 Eurasian Forest-Tundra. - 3.7 Primary production and phytomass in forest-Tundra. - 4. Boreal Forest (Taiga) and Mixed Forest Transition. - 4.1 Distribution. - 4.2 Climate. - 4.3 Soils. - 4.4 Boreal forest in North America. - 4.4.1 Open Lichen Woodland. - 4.4.2 Northern Coniferous Forest. - 4.4.3 Mixed-Forest (Boreal-Broadleaf ecotone). - 4.4.4 Mixed-Forest transition to grassland (Northern Mixedwoods). - 4.5 Eurasian Boreal. - 4.5.1 The European Boreal. - 4.5.2 The Siberian Boreal. - 4.5.3 Northwest Pacific Fringe Boreal. - 4.6 Primary production and phytomass in boreal forest. - 5. Prairie (Steppe). - 5.1 Distribution. - 5.2 Climate. - 5.2.1 North America. - 5.2.2 Climate in Eurasia and elsewhere. - 5.3 Soils. - 5.4 Prairie in North America. - 5.4.1 The Canadian Prairie. - 5.4.2 Prairie in the USA. - 5.5. Eurasian Steppe. - 5.6 Southern Hemisphere Grasslands. - 5.6.1 The High Veldt. - 5.6.2 The Pampas/Campos Grasslands. - 5.7 Primary production and biomass. - 6. Cordilleran Environments in Western North America. - 6.1 Canada's Cordilleran ecoclimatic provinces. - 6.1.1 Distribution. - 6.1.2 Climate. - 6.1.3 Soils. - 6.1.4 Pacific Coastal Mesothermal Forest. - 6.1.5 Pacific Coastal Subalpine Forest. - 6.1.6 Cordilleran Forest Region. - 6.1.7 Cordilleran Cold Steppe and Savanna Forst. - 6.1.8 Canadian Cordilleran Subalpine Forest. - 6.1.9 Alpine Tundra and Boreal Forest. - 6.2 The Cordilleran Region in the USA. - 6.2.1 Distribution. - 6.2.2 Northwest Coast Conifer-Hardwood Forests. - 6.2.3 Montane Pine Forests. - 6.2.4 Sagebrush and Grasslands. - 6.2.5 Interior Hemlock-Douglas-Fir-Larch. - 6.2.6 Subalpine Forest. - 6.3 Primary Production and Phytomass. - 7. Temperate Deciduous Forests. - 7.1 Distribution. - 7.2 Climate. - 7.3 Soils. - 7.4 Temperate Deciduous Forest in North America. - 7.4.1 Canada. - 7.4.2 United States of America. - 7.4.3 Southern Mexico and South America. - 7.5 Europe. - 7.5.1 Atlantic Deciduous Forest. - 7.5.2 Central European Deciduous Forest. - 7.5.3 East European Deciduous Forest. - 7.6 Asia. - 7.7 Southern Hemisphere. - 7.8 Primary Production and Phytomass. - 8. Wetlands. - 8.1 Introduction. - 8.2 Climate. - 8.3 Soils. - 8.4 Canadian Wetland Classification. - 8.4.1 Canadian Wetland Classification System. - 8.4.2 Wetland classes. - 8.4.3 Wetland forms and types. - 8.5 Canadian Wetlands. - 8.5.1 Arctic Wetlands. - 8.5.2 Subarctic Wetlands. - 8.5.3 Boreal Wetlands. - 8.5.4 Prairie Wetlands. - 8.5.5 Temperate Wetlands. - 8.5.6 Oceanic Wetlands. - 8.5.7 Mountain Wetlands. - 8.6 Wetlands in the USA. - 8.7 Eurasian Wetlands. - 8.7.1 European Wetlands. - 8.7.2 Asian Wetlands. - 8.8 Central and South American Wetlands. - 8.9 African Wetlands. - 8.10 Austromalesian and Pacific Wetlands. - 8.11 Phytomass and Primary Production. - 9. Conclusion. - Appendix: Biomials and their local names as used in the text. - Bibliography. - Index.

Note: Contents: 1. Introduction. - (1) The purposes of the long-term plan report. - (2) The background and particulars of this report. - (3) Contents of this report. - 2.Changes in the Arctic environment to date and in the near future. - 3. History of Arctic environmental research. - 4. Abstracts of all themes. - (1) Elucidation of abrupt environmental change in the Arctic associated with the on-going global warming. - Theme 1: Arctic amplification of global warming. - Theme 2: Mechanisms and influence of sea ice decline. - Theme 3: Biogeochemical cycles and ecosystem changes. - Theme 4: Ice sheet, glaciers, permafrost, snowfall, snow cover and hydrological cycle. - Theme 5: Interactions between the Arctic and the entire earth. - Theme 6: Predicting future environmental conditions of the Arctic based on paleoenvironmental records. - Theme 7: Effects of the Arctic environment on human society. - (2) Elucidation of environmental change concerning biodiversity. - Theme 8: Effects on terrestrial ecosystems and biodiversity. - Theme 9: Influence on marine ecosystem and biodiversity. - (3) Broad and important subjects on the Arctic environment. - Theme 10: Geospace environment. - Theme 11: Interaction of surface environment change with solid earth. - Theme 12: Basic understanding on formation and transition process of permafrost. - (4) Development of methods enabling breakthroughs in environmental research. - Theme A: Sustainable seamless monitoring. - Theme B: Earth system-modeling for inter-disciplinary research. - Theme C: Data assimilation to connect monitoring and modeling. - 5. Improvement of research foundation. - Authors and reviewers.

Note: Contents: 1 General Introduction. - 1.1 The Climate System. - 1.2 The Atmosphere. - 1.3 Energy Budget and Atmospheric Composition. - 1.4 The Water Cycle. - 1.5 Aerosols and Climate Change. - 1.6 Outline of this Textbook. - References. - Further Reading (Textbooks and Articles. - 2 Atmospheric Aerosols. - 2.1 Definitions. - 2.2 Sources of Aerosols and Aerosol Precursors. - 2.2.1 Marine Aerosols. - 2.2.2 Desert Dust. - 2.2.3 Volcanic Aerosols. - 2.2.4 Biogenic Aerosols. - 2.2.5 Biomass Burning Aerosols. - 2.2.6 Aerosols from Fossil Fuel Combustion. - 2.3 Spatial and Temporal Aerosol Distributions. - 2.4 Aerosol-Cloud-Radiation Interactions. - 2.5 Climate Effects of Aerosols. - References. - Further Reading (Textbooks and Articles). - 3 Physical, Chemical and Optical Aerosol Properties. - 3.1 Fine, Accumulation and Coarse Modes. - 3.2 Size Distribution. - 3.3 Chemical Composition. - 3.3.1 Aerosol Mixture. - 3.3.2 Inorganic Aerosols. - 3.3.3 Black Carbon Aerosols. - 3.3.4 Organic Aerosols. - 3.3.5 Geographic Distribution of Aerosol Chemical Composition. - 3.4 Refractive Index. - 3.5 Deliquescence, Efflorescence and Hysteresis. - 3.6 Definition of Aerosol Optical Properties. - 3.6.1 Absorption and Scattering Cross Sections. - 3.6.2 Phase Function. - 3.6.3 Upscatter Fractions. - 3.7 Calculation of Aerosol Optical Properties. - 3.7.1 Mie Theory. - 3. 7.2 Extinction, Scattering and Absorption. - 3.7.3 Optical Depth and Angström Coefficient. - 3.8 Optical Properties of Nonspherical Aerosols. - 3.9 Aerosols and Atmospheric Visibility. - References. - Further Reading (Textbooks and Articles). - 4 Aerosol Modelling. - 4.1 Introduction. - 4.2 Emissions. - 4.2.1 Generalities. - 4.2.2 Fossil Fuels, Biofuels, and Other Anthropogenic Sources. - 4.2.3 Vegetation Fires. - 4.2.4 Sea Spray. - 4.2.5 Desert Dust. - 4.2.6 Dimethylsulphide. - 4.2.7 Biogenic Volatile Organic Compounds. - 4.2.8 Volcanoes. - 4.2.9 Resuspension. - 4.3 Atmospheric Processes. - 4.3.1 Nucleation. - 4.3.2 Condensation of Semi-Volatile Compounds. - 4.3.3 Coagulation. - 4.3.4 In-Cloud Aerosol Production. - 4.3.5 Wet Deposition. - 4.3.6 Dry Deposition. - 4.3.7 Sedimentation. - 4.3.8 Aerosol Transport. - 4.4 Modelling Approaches. - 4.4.1 Bulk Approach. - 4.4.2 Sectional Approach. - 4.4.3 Modal Approach. - 4.5 Example: The Sulphur Budget. - References. - Further Reading (Textbooks and Articles). - 5 Interactions of Radiation with Matter and Atmospheric Radiative Transfer. - 5.1 Introduction. - 5.2 Electromagnetic Radiation. - 5.2.1 Generalities. - 5.2.2 Definitions. - 5.3 Interactions of Radiation with Matter. - 5.3.1 Matter, Energy and Spectral Lines. - 5.3.2 Intensity of Spectral Lines. - 5.3.3 Spectral Line Profiles. - 5.3.4 Processes of lnteractions of Radiation with Matter. - 5.4 Modelling of the Interaction Processes. - 5.4.1 Molecular Absorption Coefficient. - 5.4.2 Scattering Phase Function. - 5.4.3 Molecular Scattering. - 5.4.4 Absorption and Scattering by Aerosols. - 5.4.5 Thermal Emission. - 5.5 Atmospheric Radiative Transfer. - 5.5.1 Equation of Radiative Transfer. - 5.5.2 Extinction Only. - 5.5.3 Scattering Medium. - 5.5.4 Plane-Parallel Atmosphere. - 5.5.5 Resolution of the Equation of Radiative Transfer. - 5.6 Absorption Bands, Energy, and Actinic Fluxes. - 5.6.1 Main Molecular Absorption Bands in the Atmosphere. - 5.6.2 Radiative Flux. - 5.6.3 Two-Flux Method. - 5.6.4 Stefan-Boltzmann Law. - 5.6.5 Radiative Budget. - 5.6.6 Actinic Fluxes. - 5.6.7 Polarization of Radiation. - References. - Further Reading (Textbooks and Articles). - 6 In Situ and Remote Sensing Measurements of Aerosols. - 6.1 Introduction to Aerosol Remote Sensing. - 6.2 Passive Remote Sensing: Measurement of the Extinction. - 6.2.1 General Principles. - 6.2.2 Ground-Based Photometry. - 6.2.3 Spaceborne Occultation Measurements. - 6.2.4 Retrieval of Aerosol Size Distribution. - 6.3 Passive Remote Sensing: Measurement of the Scattering. - 6.3.1 General Principles. - 6.3.2 Ground-Based Measurement of Scattered Radiation. - 6.3.3 Spaceborne Measurements of Scattered Radiation. - 6.4 Measurement of Infrared Radiation. - 6.4.1 General Principles. - 6.4.2 Spaceborne Nadir Measurement of Infrared Radiation. - 6.4.3 Spaceborne Limb Measurement of Infrared Radiation. - 6.5 Active Remote Sensing: Lidar. - 6.5.1 General Principles. - 6.5.2 The Lidar Equation. - 6.5.3 Raman Lidar. - 6.6 In Situ Aerosol Measurements. - 6.6.1 Measurement of Aerosol Concentrations. - 6.6.2 Measurement of Aerosol Chemical Composition. - 6.6.3 Measurement of Aerosol Scattering. - 6.6.4 Measurement of Aerosol Absorption. - 6.7 Conclusions. - References. - Further Reading (Textbooks and Articles). - 7 Aerosol Data Assimilation. - 7.1 Introduction. - 7.2 Basic Principles of Data Assimilation. - 7.3 Applications of Data Assimilation for Aerosols. - References. - Further Reading (Textbooks and Articles). - 8 Aerosol-Radiation Interactions. - 8.1 Introduction. - 8.2 Atmospheric Radiative Effects Due to Aerosols. - 8.2.1 Simplified Equation for Scattering Aerosols. - 8.2.2 Simplified Equation for Absorbing Aerosols. - 8.2.3 Radiative Transfer Calculations. - 8.2.4 Global Estimates and Sources of Uncertainty. - 8.3 Rapid Adjustments to Aerosol-Radiation Interactions. - 8.4 Radiative Impact of Aerosols on Surface Snow and Ice. - References. - Further Reading (Textbooks and Articles). - 9 Aerosol-Cloud lnteractions. - 39.1 Introduction. - 9 .1.1 Cloud Formation. - 9 .1.2 Cloud Distribution. - 9 .1.3 Aerosol-Cloud Interactions. - 9.2 Aerosol Effects on Liquid Clouds. - 9 .2.1 Saturation Pressure of Water Vapour. - 9.2.2 Kelvin Effect. - 9.2.3 Raoult's Law. - . - 9.2.4 Köhler Theory. - 9.2.5 Extensions to the Köhler Theory. - 9.2.6 CCN and Supersaturation in the Cloud. - 9.2.7 Dynamical and Radiative Effects in Clouds. - 9.2.8 Principle of the Cloud Albedo Effect. - 9.2.9 Observations of the Cloud Albedo Effect. - 9.2.10 Adjustments in Liquid Water Clouds. - 9.2.11 Rapid Adjustments Occurring in Liquid Clouds. - 9.3 Aerosols Effects on Mixed-Phased and Ice Clouds. - 9.3.1 Elements of Microphysics of Ice Clouds. - 9.3.2 Impact of Anthropogenic Aerosols on Ice Clouds. - 9.4 Forcing Due to Aerosol-Cloud lnteractions. - 9.5 Aerosols, Contrails and Aviation-Induced Cloudiness. - 9.5.1 Formation of Condensation Trails. - 9.5.2 Estimate of the Climate Impact of Contrails. - References. - Further Reading (Textbooks and Articles). - 10 Climate Response to Aerosol Forcings. - 10.1 Introduction. - 10.2 Radiative Forcing, Feedbacks and Climate Response. - 10.2.1 Radiative Forcing. - 10.2.2 Climate Feedbacks. - 10.2.3 Rapid Adjustments and Effective Radiative Forcing. - 10.2.4 Climate Response and Climate Efficacy. - 10.3 Climate Response to Aerosol Forcings. - 10.3.1 Equilibrium Response. - 10.3.2 Past Emissions. - 10.3.3 Detection and Attribution of Aerosol Impacts. - 10.3.4 Future Emissions Scenarios. - 10.4 Nuclear Winter. - References. - Further Reading (Textbooks and Articles). - 11 Biogeochemical Effects and Climate Feedbacks of Aerosols. - 11 .1 Introduction. - 11.2 Impact of Aerosols on Terrestrial Ecosystems. - 11.2.1 Diffuse Radiation and Primary Productivity. - 11.2.2 Aerosols as a Source of Nutrients. - 11.2.3 Acidification of Precipitation. - 11.3 Impact of Aerosols on Marine Ecosystems. - 11.4 Aerosols-Atmospheric Chemistry Interactions. - 11.4.1 Interactions with Tropospheric Chemistry. - 11.4.2 Impact of Stratospheric Aerosols on the Ozone Layer and Ultravialet Radiation. - 11.5 Climate Feedbacks Involving Marine Aerosols. - 11.5.1 Sulphate Aerosols from DMS Emissions. - 11.5.2 Marine Aerosols. - 11.5.3 Other Aerosols of Maritime Origin. - 11.6 Climate Feedbacks Involving Continental Aerosols. - 11.6.1 Secondary Organic Aerosols. - 11.6.2 Primary Aerosols of Biogenic Origin. - 11.6.3 Aerosols from Vegetation Fires. - 11.6.4 Desert Dust. - 11.7 Climate Feedbacks Involving Stratospheric Aerosols. - References. - Further Reading (Textbooks and Articles). - 12 Strato

Note: D. B. Snyder, S. B. Lucas, and J. H. McBride: Crustal and mantle reflectors from Palaeoproterozoic orogens and their relation to arc-continent collisions / Geological Society, London, Special Publications, 112:1-23, doi:10.1144/GSL.SP.1996.112.01.01 --- H. R. Rollinson: Tonalite-trondhjemite-granodiorite magmatism and the genesis of Lewisian crust during the Archaean / Geological Society, London, Special Publications, 112:25-42, doi:10.1144/GSL.SP.1996.112.01.02 --- A. Vrevsky, R. Krimsky, and S. Svetov: Rare earth and isotopic (Nd, O) heterogeneity of the Archaean mantle, Baltic Shield / Geological Society, London, Special Publications, 112:43-53, doi:10.1144/GSL.SP.1996.112.01.03 --- E. V. Bibikova, T. Skiöld, and S. V. Bogdanova: Age and geodynamic aspects of the oldest rocks in the Precambrian Belomorian Belt of the Baltic (Fennoscandian) Shield / Geological Society, London, Special Publications, 112:55-67, doi:10.1144/GSL.SP.1996.112.01.04 --- S. V. Bogdanova: High-grade metamorphism of 2.45–2.4 Ga age in mafic intrusions of the Belomorian Belt in the northeastern Baltic Shield / Geological Society, London, Special Publications, 112:69-90, doi:10.1144/GSL.SP.1996.112.01.05 --- Martin J. Van Kranendonk and Richard J. Wardle: Burwell domain of the Palaeoproterozoic Torngat Orogen, northeastern Canada: tilted cross-section of a magmatic are caught between a rock and a hard place / Geological Society, London, Special Publications, 112:91-115, doi:10.1144/GSL.SP.1996.112.01.06 --- Toby Rivers, Flemming Mengel, David J. Scott, Lisa M. Campbell, and Normand Goulet: Torngat Orogen — a Palaeoproterozoic example of a narrow doubly vergent collisional orogen / Geological Society, London, Special Publications, 112:117-136, doi:10.1144/GSL.SP.1996.112.01.07 --- R. J. Wardle and M. J. Van Kranendonk: The Palaeoproterozoic Southeastern Churchill Province of Labrador-Quebec, Canada: orogenic development as a consequence of oblique collision and indentation / Geological Society, London, Special Publications, 112:137-153, doi:10.1144/GSL.SP.1996.112.01.08 --- Andrew Kerr, Bruce Ryan, Charles F. Gower, Richard J. Wardle, and Andrew Kerr: The Makkovik Province: extension of the Ketilidian Mobile Belt in mainland North America / Geological Society, London, Special Publications, 112:155-177, doi:10.1144/GSL.SP.1996.112.01.09 --- B. Chadwick and A. A. Garde: Palaeoproterozoic oblique plate convergence in South Greenland: a reappraisal of the Ketilidian Orogen / Geological Society, London, Special Publications, 112:179-196, doi:10.1144/GSL.SP.1996.112.01.10 --- Charles F. Gower: The evolution of the Grenville Province in eastern Labrador, Canada / Geological Society, London, Special Publications, 112:197-218, doi:10.1144/GSL.SP.1996.112.01.11 --- Ian C. Starmer: Accretion, rifting, rotation and collision in the North Atlantic supercontinent, 1700-950 Ma / Geological Society, London, Special Publications, 112:219-248, doi:10.1144/GSL.SP.1996.112.01.12 --- A. Wikström, T. Skiöld, and B. Öhlander: The relationship between 1.88 Ga old magmatism and the Baltic-Bothnian shear zone in northern Sweden / Geological Society, London, Special Publications, 112:249-259, doi:10.1144/GSL.SP.1996.112.01.13 --- J. N. Connelly and K-I. Åhäll: The Mesoproterozoic cratonization of Baltica — new age constraints from SW Sweden / Geological Society, London, Special Publications, 112:261-273, doi:10.1144/GSL.SP.1996.112.01.14 --- J. F. Menuge and T. S. Brewer: Mesoproterozoic anorogenic magmatism in southern Norway / Geological Society, London, Special Publications, 112:275-295, doi:10.1144/GSL.SP.1996.112.01.15 --- J. N. Connelly, J. Berglund, and S. Å. Larson: Thermotectonic evolution of the Eastern Segment of southwestern Sweden: tectonic constraints from U-Pb geochronology / Geological Society, London, Special Publications, 112:297-313, doi:10.1144/GSL.SP.1996.112.01.16 --- Laurence M. Page, Michael B. Stephens, and Carl-Henric Wahlgren: 40Ar/39Ar geochronological constraints on the tectonothermal evolution of the Eastern Segment of the Sveconorwegian Orogen, south-central Sweden / Geological Society, London, Special Publications, 112:315-330, doi:10.1144/GSL.SP.1996.112.01.17 --- S. Mertanen, L. J. Pesonen, and H. Huhma: Palaeomagnetism and Sm-Nd ages of the Neoproterozoic diabase dykes in Laanila and Kautokeino, northern Fennoscandia / Geological Society, London, Special Publications, 112:331-358, doi:10.1144/GSL.SP.1996.112.01.18 --- Trevor F. Emmett: The provenance of pre-Scandian continental flakes within the Caledonide Orogen of south-central Norway / Geological Society, London, Special Publications, 112:359-366, doi:10.1144/GSL.SP.1996.112.01.19 --- W. R. Fitches, N. J. G. Pearce, J. A. Evans, and R. J. Muir: Provenance of late Proterozoic Dalradian tillite clasts, Inner Hebrides, Scotland / Geological Society, London, Special Publications, 112:367-377, doi:10.1144/GSL.SP.1996.112.01.20

Note: CONTENTS Abstract Preface Introduction Previous work Methods and results Methods of analysis Salinity-chlorophyll a associations Discussion Comparison of ice and water column standing crops Estimated mass of ice associated chl. a Mechanism of ice algae formation in the Weddell Sea Differences between the biological environments of fast and drifting pack ice Conclusions Literature cited Appendix A. Species variations - ice and water column

Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric units of measurement Introduction Background Previous investigations Analytical procedures Results and discussion Shoreline changes: High-water line Shoreline changes: Cliff recession Volumetric changes Nodal zone location and direction of littoral transport Error evaluation Summary and conclusions Future research Selected bibliography Appendix A: Maps of shoreline with overlays for 1938, 1952, 1971 and 1974 Appendix B: Supplementary data for estimating shoreline change

Note: CONTENTS Abstract Preface Introduction Test sites and ice cover properties Beam testing Results Discussion Conclusions Literature cited

Note: CONTENTS Abstract Preface Summary Introduction Background Objective and procedure Theory of plane surface waves Waveguide design and characteristics Physical apparatus Frequency characteristics Spatial distribution of Ey above the guide Guide wave length Surface wave interaction with a slab discontinuity Experiments with a trough Discussion and conclusions Literature cited

Note: CONTENTS Abstrac Preface Introduction Analysis of stress Geometry of the Mohr circle Stress characteristic directions Analysis of strain rate Constitutive equations Strain-rate characteristic directions Constitutive geometry Strain-rate tensor The dyadic expression Plastic work rate Coordinate transformation Example The stress solution Velocity equations in the a-characteristic curvilinear coordinates The constant speed solution Velocity equations in the constant density region Solution in the first constant-density subregion Solution in the second constant-density subregion Solution in the passive region Conclusion Literature cited

Note: CONTENTS Abstract Preface Introduction The problem The solution Method of numerical integration Ramp/steady loading Curve fitting to time lapse deflections Asymptotic deflection Deflection profiles Acknowledgement Literature cited Appendix I. Analytical background Appendix II. Computer programs, ramp time profiles and steady time profiles

Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement Introduction Theory Solution by superposition Solution by Fourier integral Solution by Fourier series Application and results Literature cited Appendix A: Bearing capacity of river ice for military vehicles Appendix B: Vehicle specifications Appendix C: Fortran II computer program

Note: CONTENTS Abstract Preface Introduction Test procedure Test program Test samples Number of test for determining strength index Effect of temperature Effect of sample length Effect of load point size Tests on snow Discussion Recommendations Literature cited

Note: CONTENTS Abstract Preface Nomenclature Introduction Derivation of the power reflection coefficient-depth variation Possible sources of dielectric constant variation with depth in ice sheets Ice density variations Effect of macroscopic impurity layers Effect of microscopic impurtty layers Changes in inclusion geometry Effect of crystal orientation changes Physical properties of the Cape Folger core Density-depth profile Air bubble-geometry depth profile Crystal orientation-depth profile Radio-echo sounding data Results and conclusions Literature cited

Note: CONTENTS Abstract Preface Introduction Sources and properties of tabular icebergs Sources Characteristics of ice shelves near the ice front Characteristics of tabular icebergs Towing Geophysical and engineering considerations Tug characteristics Handling and processing Cutting and boring with thermal devices Penetration with electrothermal devices Electrothermal cutting Making vertical cuts by pre-split blasting Primary fragmentation by blasting Primary fragmentation by mechanical sawing Comminuting ice with machines Slurry pipelines Conclusion Literature cited

Note: CONTENTS Abstract Preface Nomenclature Summary Introduction Problem General review of the subject Experimental apparatus General considerations Water reservoir Test chamber assembly Pumping system Electrical control system Experimental procedure Experimental results Discussion and comparison of results Conclusions Literature cited

Note: CONTENTS Abstract Preface Introduction The protected membrane roof Winter construction considerations Construction costs Conclusion

Note: CONTENTS Abstract Preface Conversion factors: U.S.customary to metric (SI) units of measurement Introduction Location of test sites Fairbanks Anchorage Hanover, N.H. Test program Instrumentation Effectiveness Therma lefficiency Heat balance within the roof Comparisons with conventional systems Conclusions Effectiveness of the test roof Thermal efficiency Heat balance within the roof Applicability Recommendations Literature cited Appendix A. Temperature and heat flow measurements, Anchorage and Fairbanks, Alaska, and Hanover, New Hampshire Appendix B. Thermal efficiencies of the test roof, Anchorage and Fairbanks, Alaska, and Hanover, New Hampshire Appendix C. January 1973 and August 1972 comparisons of protected membrane and conventional built-up membrane systems at Hanover, New Hampshire

Note: CONTENTS Abstract Preface Foreword Introduction Terminology Forces on individual cutters Torque force and tool force Forces on the rotor axis Tractive thrust and down thrust Alternative tool force formulations Vehicle traction Power/weight ratio Weight and balance Force, torque, speed and power Specific energy Efficiency and performance index Power density Power requirements for ejection of cuttings Hydrodynamic resistance in underwater cutting

Note: CONTENTS Abstract Preface Introduction Theory Limiting span of an arch Flow of pack ice through converging channels Stoppage of flow Applications St. Lawrence Amundsen Gulf Bering Strait Conclusion References

Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric units of measurements Introduction The freezing proeess Icing observations Geographical distribution of icing and contributing meteorological conditions Extreme icing conditions Extremes of icc accumulation Prediction of icing occurrences Prediction of icing intensity and rate Control methods Measurement of icing rate Conclusions and recommendations Literature cited Appendix A. Maps of icing occurrence and rate Appendix B. Data for computing ship icing rates Appendix C. Estimation of ice accumulation

Note: CONTENTS Abstract Preface Nomenclature Conversion factors: U.S. customary to metric units of measurement Introduction Description of experiment Apparatus Test procedure Experimental results Summary of experimental tests Influence of coolant water flow rates Approximation of the rate of melting Comparison of experimental and computed results Comparative analysis of the model sinks Approximation of the heat transfer coefficient Conclusions and recommendations Literature cited Appendix A. Experimental data, heat sink Model II Appendix B. Heat sink scaling and similarity relationships Appendix C. Derivation of the relationships for the heat transfer coefficient, Reynolds and Nusselt numbers Appendix D. Determination of freezing rates and refrigeration loads Appendix E. Approximation of stresses in the heat sink tank

Note: CONTENTS Page Abstract Preface Summary Nomenclature Introduction Water movement through snow Vertical percolation Lateral flow Flat roofs Sloping roofs Rainfall intensity-duration effects Miscellaneous effects Radial flow to drains Flow along gutters on snow-covered roofs Snow structure Basal layer Conclusion Literature citied Appendix A. Computer program calculating roof loads from rain-on-snow

Note: Arrangement of Volume III: Part VIII Germany. - Part IX Federal Republic of Germany. - Part X Japan. - Part XI New Zealand. - Part XII Norway. - Part XIII Peru. - Part XIV Poland. - Part XV South Africa. - Part XVI Union of Soviet Socialist Republics. - Part XVII United Kingdom of Great Britain and Northern Ireland. - Part XVIII United States of America. - Part XIX Uruguay.

Note: CONTENTS Page Abstract Preface Introduction Low slope roof problems and repair costs Protected membrane roofs and materials Installations of protected membrane roofs Performance evaluation Test program Effectiveness Thermal efficiency Heat balance Internal cooling due to rain Moisture absorption and thermal conductivity of insulations Durability and life expectancy Fire resistance Patent considerations Costs of roofs Design considerations Proposed specifications Conclusions and recommendations Literature cited

Note: Contents Introduction The discovery Age of the island Island visit Other islands of grounded ice Discussion Literature cited

Note: CONTENTS Introduction Experimental work SCR samples CAG samples CMS samples UAG samples SI samples Optical system Equipment Procedure Photographic work Large cracks and fissures Small damage to the surface Small damage to the buIk Results Damage as a function of the position x of the focal point; n(x) Damage as a function of the number of irradiations #; n(#) Damage as a function of crystallographic orientation ĉ; n (ĉ); p (ĉ) Damage as a function of surface structure Damage as a function of age A; n (A) Damage as a function of wavelength λ; p(λ) Systematic study of damage as a function of W, t, m and s; n(W, t, m, s) Analysis Fracture in ice Mechanisms for optically generated damage in transparent dielectrics Discussion of the results Summary and conclusions Literature cited