ALBERT

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: 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: 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: 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: CONTENTS Preface Symbols Introduction Test procedure Theory Evaluation of the experimental results Example evaluation Results and discussion Literature cited Appendix A. Measured and computed discharge

Note: CONTENT Abstract Preface Introduction Ice accretion parameters Physics of ice accretion Interaction between water droplets and flow field Time dependence in droplet trajectories Thermodynamic processes at the surface of the object Time dependence in the thermodynamics Time dependence of lesser order Numerical ice accretion model Major subroutines Options for droplet size variations Option for the helicopter rotor case Results Conclusions and future studies Literature cited Appendix A: Computer program

Note: CONTENTS Abstract Preface Nomenclature Introduction Description of study Sample preparation Test equipment and procedure Test sample characteristics Discussion of results Data presentation format Effect of water content and mixture density Effect of water content and initial snow density Effect of deformation rate Effect of water content and rate of deformation on specific energy Summary Literature cited Appendix A. Derivation of equations Appendix B. Load-deformation traces

Note: CONTENTS Abstract Preface Nomenclature Conversion factors: Metric (SI) to U.S. customary units of measurement Introduction Selection of experimental approach Previous investigations of effect of freeze-thaw on soil deform ability Selection of laboratory test method Selection of method of field validation tests Field repeated-load plate-bearing tests Test pavements, soils and materials Test procedures and results Resilient modulus of subgrade calculated from field tests Mathematical model Characterization of asphalt concrete Characterization of frozen silt Calculated resilient modulus of silt within the zone of freezing Laboratory repeated-load triaxial tests Specimens, equipment and testing procedures Apparatus Procedures Resilient properties calculated from laboratory tests Calculation methods Asphalt concrete - test results Asphalt concrete - statistical analysis and discussion Silt - test results Silt - statistical analysis Discussion and conclusions Literature cited Appendix A. Repeated-load plate-bearing test results Appendix B. Laboratory repeated-load triaxial test results Appendix C. Regression equation coefficients for resilient modulus and Poisson’s ratio from repeated-load triaxial test data on asphalt concrete and silt Appendix D. Detailed procedures for repeated-load triaxial testing

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 Experimental procedure Snow collection Spectrophotometric methods Data analysis Potential sources of error Presentation of results Continuous-scan measurements Comparison of sequential bandpass and continuous-scan measurements Theoretical calculations Discussion of results Differences in amplitude of reflectance measurements Irregularities in the shape of spectral reflectance curves The true spectral reflectance of snow in the ultraviolet region Conclusions Literature cited Appendix A. Absolute reflectance values of pressed BaSO4 powder

Note: CONTENTS Abstract Preface List of symbols Summary Introduction Recent ice research in Denmark General Structures with vertical faces Wedges with inclined faces Recording of the strength of natural ice Artificial ice — properties and manufacture General Composition of material Order of mixing ingredients Rupture theory Theoretical approach Initial contact Forces acting on wedge Maximum force and actual force Principal stress equations 8Dynamic equations Intermittent nature of force Theoretical curve Verifiction of theory by model tests Description Width of rupture channel Plotting of results Engineering application Comparison with Korahavin’s results Recommendations for future research References Appendix A

Note: Contents 1 Introduction 1.1 Purpose 1.2 Some terminology 1.3 Electrical analogues 1.4 State determined systems 1.5 Simulation languages 2 Exponential growth 2.1 Analytical and numerical integration 2.2 Simulation 2.3 Time constant and time interval of integration 2.4 Integration method and time interval 3 The growth of yeast 3.1 Description of the system 3.2 Relational diagrams 3.3 Simulation 3.4 Logistic growth 4 Interference of plants 4.1 Replacement series 4.2 Density of sowing 4.3 Simulation of plant interference 4.4 Further modelling aspects 4.4.1 The INDEX and MACRO feature 4.4.2 The INITIAL and DYNAMIC section 5 Growth and competition of Paramecium 5.1 Description of the system 5.2 A simulation program 5.3 Preliminary estimation of parameters 5.4 Final determination of parameters 5.5 Stochastic aspects 5.6 The programming of probability functions 6 Modelling of development, dispersion and diffusion 6.1 Introduction 6.2 Physiological age and development stage 6.3 Demographic models 6.3.1 Age-classes 6.3.2 Errors of approximation 6.3.3 The matrix method 6.4 Germination models 6.4.1 Boxcar train without dispersion 6.4.2 Boxcar train with constant relative dispersion 6.4.3 Boxcar train with controlled dispersion 6.4.4 Refinements 6.5 The flow of heat in soils 7 Growth and development of Helminthosporium maydis 7.1 Introduction 7.2 The weather 7.3 Appearance and growth of lesions 7.4 Sporophore or stalk formation 7.5 Sporulation of green stalks 7.6 Sporulation of dried stalks 7.7 Dispersal of spores 7.8 Germination of spores and penetration of germtubes 7.9 Timing, initialization and output organization 7.10 Results and sensitivity analyses 8 Population models for fruit-tree red spider miteand predatory mites 8.1 Fruit-tree red spider mite 8.2 Predatory mite, Amblyseius potentillae 8.3 Relations between predator and prey 8.4 Preference as a competitive process 8.5 Verification 9 Solutions of the exercises References Appendix A Appendix B Index

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 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 Introduction Sea ice characteristics Ridging intensity Arctic terrain characteristics databank Digital terrain maps Digital laser profiles Standard terrain tapes Mobility analysis Terrestrial and coastal characteristics Northern Alaska Interior Alaska Arctic USSR Northern Canada and Greenland Climatological characteristics General features Surface winds Temperatures Precipitation and visibility Electromagnetic/optical propagation Ecological effects of SEV operations SK-5 tests Simulated SEV tests Conclusions Literature cited Additional CRREL SEV Bibliography

Note: CONTENTS Abstract Preface Summary Introduction Climate Site selection Instrumentation, measurements and calibration Installation of automatic water temperature recording system Visual observations and ice structure St. Albans Shelburne Analysis Temperature comparison Water temperature measuring system Changes in water temperature Wind Degree-days of freezing Prediction of ice formation Bubbler system Conclusions Recommendations Literature cited

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 Table 1 Daily records Table 2 Extreme temperatures Table 3 Montly means Table 4 Mean temperature in the years 1775-1975 Table 5 Daily means of extreme temperatures Table 6 Relative frequency of daily maximum temperature in months Table 7 Relative frequency of daily minimum temperature Table 8 Relative frequency of relative humidity Table 9 Relative frequency of pressure Table 10 Relative frequency of wind Table 11 Relative frequency of cloud amount Table 12 Relative frequency of daily rainfall Table 13 Statistical characteristics of daily observations Table 14 Monthly means in 5 years periods Table 15 Monthly means in 10 years periods Table 16 Monthly means in 50 years periods Table 17 Monthly means of statistical characteristics in the years 1776-1975 Table 18 Monthly means of statistical characteristics in 5 years periods Table 19 Monthly means of statistical characteristics in 10 years periods Table 20 Monthly means of statistical characteristics in 50 years periods Table 21 Mean daily temperature corresponding to the percent of the exceeding probability , In tschechischer, russischer und englischer Sprache , Zum Teil in kyrillischer Schrift

Note: CONTENTS Abstract Preface Conversion factors Introduction Descriptions of road test sections Test equipment and procedures. Field repetitive plate bearing tests Data analysis General Layered-elastic analysis of the pavement systems Statistical analysis. Flexural analysis Summary and conclusions Literature cited Appendix A: Resilient surface deflections for the test points

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 Nomenclature Introduction 1. The problem 2. Abstract of the result Part I. Fundamental solutions 3. Fuchsian type solutions 4. Contour integral solution 5. Integration of the integral solution 6. Fundamental solutions for α = 1 7. Fundamental solutions for α = 0 8. Eigenvalues for α = 0 9. Fundamental solutions for α 〉 1 Part II. Asymptotic expansions 10. Asymptotic expansion for 0 〈 α ⩽1 11. Asymptotic expansion for 1 ≦ α ≦ 2 12. Asymptotic expansion for 2 ≦ α ≦ ∞ Part III. Eigenvalues 13. Range of eigenvalues 14. Eigenvalues for the free-edge condition 15. Eigenvalues for the clamped-edge and simple-edge conditions 16. Deflection Acknowledgement Literature cited Appendix A. Analytical continuation at the singular point Appendix B. Tensorial transformations Appendix C. Comparison of the semi-infinite plate buckling with the asymptotic buckling

Note: CONTENTS Abstract Preface Nomenclature Introduction Experimental procedure Grain growth Stressed particle contacts Fluid pressure Packing geometry Temperature distribution and heat flow Fluid and impurity flows Results The liquid film Conclusions Literature cited

Note: CONTENTS Abstract Preface Conversion factors: U.S.customary to metric units of measurement Introduction Freeze-thaw system Construction materials Controlled environment test section Outdoor sections Temperature monitoring instrumentation Repetitive plate bearing test apparatus Test results and analyses Conclusions Literature cited

Note: CONTENTS Abstract Preface Conversion factors Introduction Types of pipelines and cables Potential hazards to pipelines and cables Areas of concern Waterdepth Sea ice Icebergs and ice islands Submarine permafrost Ice gouging Seabed erosion by water jets Protection methods Protection of unburied pipes and cables Protection by burial Backhoe digging Wireline equipment Plowing and ripping from the surface Plowing and ripping by self-propelled seabed vehicles Bucket ladder dredges Suction dredging Conventional cutterhead dredges Low pressure water jetting Bottom-traveling cutterhead dredges Explosive methods Novel methods Disc saws, wheel ditchers and milling drums Ladder trenchers and chain saws Repetitive impulse devices High pressure water jets Flame jets and plasma torches Electrical discharge and electromagnetic radiation Chemical methods Conclusions Literature cited

Note: CONTENTS Abstract Preface Introduction Historical literature review Relationships between midwinter temperature and freezing season Mean freezing index 4 Average January air temperature U.S. comparative study Correlation of AJAT and duration of freezing season Relationships between average January air temperature and snow conditions U.S. relationships German relationships Mapping of average January air temperatures Analysis of observed AJ AT data Development of detailed maps Application and discussion Examples Influence of vegetation Literature cited Appendix A. interpretation of snow cover by satellite Appendix B. Contour, station elevation and Aj AT maps for East and West Germany

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 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: In kyrill. Schr. - Legende russ. u. engl.

Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric units of measurement Introduction Impulse radar system Results and discussion Conclusions and recommendations Literature cited ILLUSTRATIONS Figure Relative locations where impulse radar measurements were made andsamples for moisture determinations were obtained on the CRREL roof Impulse radar signal reflected from metal sheet resting on roof Impulse radar signal reflection from roof at station A Impulse radar surface reflection coefficient versus moisture contentofroof Impulse radar signal reflection from aluminum foil on bottom of con-crete form and from aluminum sheet metal resting on top of form Unconfined compressive strength of concrete versus time Examples of X-Y plots of impulse radar signals obtained during thesounding of concrete slab Impulse radar signal reflection coefficients versus time for acuring concrete slab Calculated impulse radar signal attenuation in concrete slab versuselapsed time Dielectric constants versus time calculated from impulse radar signalInformation obtained during curing of concrete slab Unconfined compressive strength of concrete versus corrected reflec-tion coefficient calculated from impulse radar signal data obtainedduring the curing of concrete slab TABLES Comparison of roof moisture content with radar surface reflection coefficient and dielectric constant

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

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

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: CONTENTS Abstract Preface Summary Introduction Ice thickness and quantity Chronology of the 1975 Chena River breakup Checkpoint 3 Checkpoint 4 Checkpoint 5 Checkpoint 6 Checkpoint A Checkpoint 7 Checkpoint C Checkpoint D Checkpoint 8 Checkpoint 10 Checkpoint 11 Checkpoint 12 Spring flooding and debris The 1976 Chena River breakup Breakup in other years Summary and conclusions Appendix A. Sequential photographs of 1975 breakup at checkpoints 3-12

Note: CONTENTS Abstract Preface Foreword Introduction Terminology Principles of cutting Forces acting on a single cutter Theoretical Ideas on cutting Experimental data on cutting forces Effect of chipping depth on tool forces Effect of rake angle on tool forces Effect of relief angle on cutting forces Effect of side rake on tool forces Effect of base angle or face profile on tool forces Effect of rounding at the cutting edge Effect of tool width on cutting forces Tool compliance and force fluctuations Effect of tool speed on cutting forces Effect of rock properties on cutting forces Tool interaction and kerf spacing Effect of multiple pass cutting on tool forces Effect of tool wear on cutting forces Development of wear Energetics of cutting Energetics of parallel-motion tools Variation of specific energy with chipping depth for a single tool Effect of rake angle on specific energy Effect of relief angle on specific energy Effect of side rake on specific energy Effect of base angle or face profile on specific energy Effect of tip radius on specific energy Effect of tool width on specific energy Effect of tool speed on specific energy Variation of specific energy with rock properties Effect of kerf spacing on specific energy Effect of multiple pass cutting on specific energy Effect of tool wear on specific energy General summary Literature cited Appendix Α. Additional data for ice Appendix Β. Conversion factors: U.S. customary and metric units of measurement

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.