ALBERT

Note: Contents Abstract Preface Conversion factors for U.S. customary and SI units Introduction Access within the Caribou-Poker Creeks Research Watershed Trail access Helicopter access Road access Alternative approaches Long-term recorders Telemetry systems Remote sensing Relative costs A desirable system Selected bibliography

Note: CONTENTS Page Abstract Preface Introduction Experimental Materials Apparatus Procedure Results Discussion PE solvent soak and swelling PE solvent soak and puncture Film puncture rate effect Bending orientation Comparative tables and graphs Puncture and temperature Bending and temperature Test result vs thickness and weight General considerations Conclusion and recommendations Literature cited Appendix Detailed data tables Denier explanation

Note: Contents: Part I Introductory Section. - 1 High-Resolution Paleoclimatology / Raymond S. Bradley. - 2 Dendroclimatology in High-Resolution Paleoclimatology / Malcolm K. Hughes. - Part II Scientific Bases of Dendroclimatology. - 3 How Well Understood Are the Processes that Create Dendroclimatic Records? A Mechanistic Model of the Climatic Control on Conifer Tree-Ring Growth Dynamics / Eugene A. Vaganov, Kevin J. Anchukaitis, and Michael N. Evans. - 4 Uncertainty, Emergence, and Statistics in Dendrochronology / Edward R. Cook and Neil Pederson. - 5 A Closer Look at Regional Curve Standardization of Tree-Ring Records: Justification of the Need, a Warning of Some Pitfalls, and Suggested Improvements in Its Application / Keith R. Briffa and Thomas M. Melvin. - 6 Stable Isotopes in Dendroclimatology: Moving Beyond ‘Potential’ / Mary Gagen, Danny McCarroll, Neil J. Loader, and Iain Robertson. - Part III Reconstruction of Climate Patterns and Values Relative to Today’s Climate. - 7 Dendroclimatology from Regional to Continental Scales: Understanding Regional Processes to Reconstruct Large-Scale Climatic Variations Across the Western Americas / Ricardo Villalba, Brian H. Luckman, Jose Boninsegna,Rosanne D. D’Arrigo, Antonio Lara, Jose Villanueva-Diaz, Mariano Masiokas, Jaime Argollo, Claudia Soliz, Carlos LeQuesne, David W. Stahle, Fidel Roig, Juan Carlos Aravena, Malcolm K. Hughes, Gregory Wiles, Gordon Jacoby, Peter Hartsough, Robert J.S. Wilson, Emma Watson, Edward R. Cook, Julian Cerano-Paredes, Matthew Therrell, Malcolm Cleaveland, Mariano S. Morales, Nicholas E. Graham, Jorge Moya, Jeanette Pacajes, Guillermina Massacchesi, Franco Biondi, Rocio Urrutia, and Guillermo Martinez Pastur. - Part IV Applications of Dendroclimatology. - 8 Application of Streamflow Reconstruction to Water Resources Management / David M. Meko and Connie A. Woodhouse. - 9 Climatic Inferences from Dendroecological Reconstructions / Thomas W. Swetnam and Peter M. Brown. - 10 North American Tree Rings, Climatic Extremes, and Social Disasters / David W. Stahle and Jeffrey S. Dean. - Part V Overview. - 11 Tree Rings and Climate: Sharpening the Focus / Malcolm K. Hughes, Henry F. Diaz, and Thomas W. Swetnam. - Index.

Note: Contents Preface to the Second Edition Preface to the First Edition 1. Images, Arrays, and Matrices 1.1 Multispectral Satellite Images 1.2 Algebra of Vectors and Matrices 1.2.1 Elementary Properties 1.2.2 Square Matrices 1.2.3 Singular Matrices 1.2.4 Symmetric, Positive Definite Matrices 1.2.5 Linear Dependence and Vector Spaces 1.3 Eigenvalues and Eigenvectors 1.4 Singular Value Decomposition 1.5 Vector Derivatives 1.6 Finding Minima and Maxima 1.7 Exercises 2. Image Statistics 2.1 Random Variables 2.1.1 Discrete Random Variables 2.1.2 Continuous Random Variables 2.1.3 Normal Distribution 2.2 Random Vectors 2.3 Parameter Estimation 2.3.1 Sampling a Distribution 2.3.2 Interval Estimation 2.3.3 Provisional Means 2.4 Hypothesis Testing and Sample Distribution Functions 2.4.1 Chi-Square Distribution 2.4.2 Student-t Distribution 2.4.3 F-Distribution 2.5 Conditional Probabilities, Bayes' Theorem, and Classification 2.6 Ordinary Linear Regression 2.6.1 One Independent Variable 2.6.2 More Than One Independent Variable 2.6.3 Regularization, Duality, and the Gram Matrix 2.7 Entropy and Information 2.7.1 Kullback-Leibler Divergence 2.7.2 Mutual Information 2.8 Exercises 3. Transformations 3.1 Discrete Fourier Transform 3.2 Discrete Wavelet Transform 3.2.1 Haar Wavelets 3.2.2 Image Compression 3.2.3 Multiresolution Analysis 3.2.3.1 Dilation Equation and Refinement Coefficients 3.2.3.2 Cascade Algorithm 3.2.3.3 Mother Wavelet 3.2.3.4 Daubechies D4 Scaling Function 3.3 Principal Components 3.3.1 Primal Solution 3.3.2 Dual Solution 3.4 Minimum Noise Fraction 3.4.1 Additive Noise 3.4.2 Minimum Noise Fraction Transformation in ENVI 3.5 Spatial Correlation 3.5.1 Maximum Autocorrelation Factor 3.5.2 Noise Estimation 3.6 Exercises 4. Filters, Kernels, and Fields 4.1 Convolution Theorem 4.2 Linear Filters 4.3 Wavelets and Filter Banks 4.3.1 One-Dimensional Arrays 4.3.2 Two-Dimensional Arrays 4.4 Kernel Methods 4.4.1 Valid Kernels 4.4.2 Kernel PCA 4.5 Gibbs-Markov Random Fields 4.6 Exercises 5. Image Enhancement and Correction 5.1 Lookup Tables and Histogram Functions 5.2 Filtering and Feature Extraction 5.2.1 Edge Detection 5.2.2 Invariant Moments 5.3 Panchromatic Sharpening 5.3.1 HSV Fusion 5.3.2 Brovey Fusion 5.3.3 PCA Fusion 5.3.4 DWT Fusion 5.3.5 A Trous Fusion 5.3.6 Quality Index 5.4 Topographic Correction 5.4.1 Rotation, Scaling, and Translation 5.4.2 Imaging Transformations 5.4.3 Camera Models and RFM Approximations 5.4.4 Stereo Imaging and Digital Elevation Models 5.4.5 Slope and Aspect 5.4.6 Illumination Correction 5.5 Image-Image Registration 5.5.1 Frequency-Domain Registration 5.5.2 Feature Matching 5.5.2.1 High-Pass Filtering 5.5.2.2 Closed Contours 5.5.2.3 Chain Codes and Moments 5.5.2.4 Contour Matching 5.5.2.5 Consistency Check 5.5.2.6 Implementation in IDL 5.5.3 Resampling and Warping 5.6 Exercises 6. Supervised Classification: Part 1 6.1 Maximum a Posteriori Probability 6.2 Training Data and Separability 6.3 Maximum Likelihood Classification 6.3.1 ENVI's Maximum Likelihood Classifier 6.3.2 Modified Maximum Likelihood Classifier 6.4 Gaussian Kernel Classification 6.5 Neural Networks 6.5.1 Neural Network Classifier 6.5.2 Cost Functions 6.5.3 Backpropagation 6.5.4 Overfitting and Generalization 6.6 Support Vector Machines 6.6.1 Linearly Separable Classes 6.6.1.1 Primal Formulation 6.6.1.2 Dual Formulation 6.6.1.3 Quadratic Programming and Support Vectors 6.6.2 Overlapping Classes 6.6.3 Solution with Sequential Minimal Optimization 6.6.4 Multiclass SVMs 6.6.5 Kernel Substitution 6.6.6 Modified SVM Classifier 6.7 Exercises 7. Supervised Classification: Part 2 7.1 Postprocessing 7.1.1 Majority Filtering 7.1.2 Probabilistic Label Relaxation 7.2 Evaluation and Comparison of Classification Accuracy 7.2.1 Accuracy Assessment 7.2.2 Model Comparison 7.3 Adaptive Boosting 7.4 Hyperspectral Analysis 7.4.1 Spectral Mixture Modeling 7.4.2 Unconstrained Linear Unmixing 7.4.3 Intrinsic End-Members and Pixel Purity 7.5 Exercises 8. Unsupervised Classification 8.1 Simple Cost Functions 8.2 Algorithms That Minimize the Simple Cost Functions 8.2.1 K-Means Clustering 8.2.2 Kernel K-Means Clustering 8.2.3 Extended K-Means Clustering 8.2.4 Agglomerative Hierarchical Clustering 8.2.5 Fuzzy K-Means Clustering 8.3 Gaussian Mixture Clustering 8.3.1 Expectation Maximization 8.3.2 Simulated Annealing 8.3.3 Partition Density 8.3.4 Implementation Notes 8.4 Including Spatial Information 8.4.1 Multiresolution Clustering 8.4.2 Spatial Clustering 8.5 Benchmark 8.6 Kohonen Self-Organizing Map 8.7 Image Segmentation 8.7.1 Segmenting a Classified Image 8.7.2 Object-Based Classification 8.7.3 Mean Shift 8.8 Exercises 9. Change Detection 9.1 Algebraic Methods 9.2 Postclassification Comparison 9.3 Principal Components Analysis 9.3.1 Iterated PCA 9.3.2 Kernel PCA 9.4 Multivariate Alteration Detection 9.4.1 Canonical Correlation Analysis 9.4.2 Orthogonality Properties 9.4.3 Scale Invariance 9.4.4 Iteratively Reweighted MAD 9.4.5 Correlation with the Original Observations 9.4.6 Regularization 9.4.7 Postprocessing 9.5 Decision Thresholds and Unsupervised Classification of Changes 9.6 Radiometrie Normalization 9.7 Exercises Appendix A: Mathematical Tools A.l Cholesky Decomposition A.2 Vector and Inner Product Spaces A.3 Least Squares Procedures A.3.1 Recursive Linear Regression A.3.2 Orthogonal Linear Regression Appendix B: Efficient Neural Network Training Algorithms B.1 Hessian Matrix B.1.1 R-Operator B.1.1.1 Determination of Rv{n} B.1.1.2 Determination of Rv{δo} B.1.1.3 Determination of Rv{δh} B.1.2 Calculating the Hessian B.2 Scaled Conjugate Gradient Training B.2.1 Conjugate Directions B.2.2 Minimizing a Quadratic Function B.2.3 Algorithm B.3 Kaiman Filter Training B.3.1 Linearization B.3.2 Algorithm B.4 A Neural Network Classifier with Hybrid Training Appendix C: ENVI Extensions in IDL C.1 Installation C.2 Extensions C.2.1 Kernel Principal Components Analysis C.2.2 Discrete Wavelet Transform Fusion C.2.3 A Trous Wavelet Transform Fusion C.2.4 Quality Index C.2.5 Calculating Heights of Man-Made Structures in High-Resolution Imagery C.2.6 Illumination Correction C.2.7 Image Registration C.2.8 Maximum Likelihood Classification C.2.9 Gaussian Kernel Classification C.2.10 Neural Network Classification C.2.11 Support Vector Machine Classification C.2.12 Probabilistic Label Relaxation C.2.13 Classifier Evaluation and Comparison C.2.14 Adaptive Boosting a Neural Network Classifier C.2.15 Kernel K-Means Clustering C.2.16 Agglomerative Hierarchical Clustering C.2.17 Fuzzy K-Means Clustering C.2.18 Gaussian Mixture Clustering C.2.19 Kohonen Self-Organizing Map C.2.20 Classified Image Segmentation C.2.21 Mean Shift Segmentation C.2.22 Multivariate Alteration Detection C.2.23 Viewing Changes C.2.24 Radiometric Normalization Appendix D: Mathematical Notation References Index

Note: Contents: Preface. - 1 Cosmic rays. - 1.1 Origin and nature of cosmic rays. - 1.2 Interaction with magnetic fields. - 1.3 Interactions with the Earth's atmosphere. - 1.4 Interactions with the Earth's surface. - 1.5 Production of cosmogenic nuclides. - 1.6 Detection of cosmic rays. - 2 Cosmogenic nuclides. - 2.1 'Useful' cosmogenic nuclides. - 2.2 Stable cosmogenic nuclides. - 2.3 Cosmogenic radionuclides. - 2.4 Sample preparation. - 2.5 Analytical methods. - 3 Production rates and scaling factors. - 3.1 Deriving production rates. - 3.2 Scaling factors. - 3.3 Building scaling factors. - 4 Application of cosmogenic nuclldes to Earth surface sciences. - 4.1 Exposure dating. - 4.2 Burial dating. - 4.3 Erosion/denudation rates. - 4.4 Uplift rates. - 4.5 Soil dynamics. - 4.6 Dealing with uncertainty. - Appendix A: Sampling checklist. - Appendix B: Reporting of cosrnogenic-nudide data for exposure age and erosion rate determinations. - References. - Index.

Note: J.S. Daly, R.A. Cliff, and B.W.D. Yardley: Preface / Geological Society, London, Special Publications, 43:vii-viii, doi:10.1144/GSL.SP.1989.043.01.01 --- E. J. Essene: The current status of thermobarometry in metamorphic rocks / Geological Society, London, Special Publications, 43:1-44, doi:10.1144/GSL.SP.1989.043.01.02 --- L. Ya. Aranovich and K. K. Podlesskii: Geothermobarometry of high-grade metapelites: simultaneously operating reactions / Geological Society, London, Special Publications, 43:45-61, doi:10.1144/GSL.SP.1989.043.01.03 --- Frank S. Spear: Relative thermobarometry and metamorphic P-T, paths / Geological Society, London, Special Publications, 43:63-81, doi:10.1144/GSL.SP.1989.043.01.04 --- R. H. Vernon: Porphyroblast-matrix microstructural relationships: recent approaches and problems / Geological Society, London, Special Publications, 43:83-102, doi:10.1144/GSL.SP.1989.043.01.05 --- John Ridley: Vertical movement in orogenic belts and the timing of metamorphism relative to deformation / Geological Society, London, Special Publications, 43:103-115, doi:10.1144/GSL.SP.1989.043.01.06 --- R. A. Jamieson and C. Beaumont: Deformation and metamorphism in convergent orogens: a model for uplift and exhumation of metamorphic terrains / Geological Society, London, Special Publications, 43:117-129, doi:10.1144/GSL.SP.1989.043.01.07 --- Peter K. Zeitler: The geochronology of metamorphic processes / Geological Society, London, Special Publications, 43:131-147, doi:10.1144/GSL.SP.1989.043.01.08 --- James J. Irwin, Charles Kirschbaum, Tek. H. Lim, Derek Powell, and William E. Glassley: A laser-microprobe study of argon isotopes in deformed pegmatites from the Northern Highlands of Scotland / Geological Society, London, Special Publications, 43:149-160, doi:10.1144/GSL.SP.1989.043.01.09 --- A. Reuter and R. D. Dallmeyer: K-Ar and 40Ar/39Ar dating of cleavage formed during very low-grade metamorphism: a review / Geological Society, London, Special Publications, 43:161-171, doi:10.1144/GSL.SP.1989.043.01.10 --- Hanan J. Kisch: Discordant relationship between degree of very low-grade metamorphism and the development of slaty cleavage / Geological Society, London, Special Publications, 43:173-185, doi:10.1144/GSL.SP.1989.043.01.11 --- J. J. De Yoreo, D. R. Lux, and C. V. Guidotti: The role of crustal anatexis and magma migration in the thermal evolution of regions of thickened continental crust / Geological Society, London, Special Publications, 43:187-202, doi:10.1144/GSL.SP.1989.043.01.12 --- C. P. Chamberlain and Douglas Rumble III: The influence of fluids on the thermal history of a metamorphic terrain: New Hampshire, USA / Geological Society, London, Special Publications, 43:203-213, doi:10.1144/GSL.SP.1989.043.01.13 --- Howard W. Day and C. Page Chamberlain: Implications of thermal and baric structure for controls on metamorphism: northern New England, USA / Geological Society, London, Special Publications, 43:215-222, doi:10.1144/GSL.SP.1989.043.01.14 --- L. Aguirre, B. Levi, and J. O. Nyström: The link between metamorphism, volcanism and geotectonic setting during the evolution of the Andes / Geological Society, London, Special Publications, 43:223-232, doi:10.1144/GSL.SP.1989.043.01.15 --- T. M. Gordon: Thermal evolution of the Kisseynew sedimentary gneiss belt, Manitoba: metamorphism at an early Proterozoic accretionary margin / Geological Society, London, Special Publications, 43:233-243, doi:10.1144/GSL.SP.1989.043.01.16 --- Peter H. Thompson: An empirical model for metamorphic evolution of the Archaean Slave Province and adjacent Thelon Tectonic Zone, north-western Canadian Shield / Geological Society, London, Special Publications, 43:245-263, doi:10.1144/GSL.SP.1989.043.01.17 --- Amalbikash Mukherjee: P-T-time history and thermal modelling of an anorthosite-granulite interface, Eastern Ghats metamorphic belt, India / Geological Society, London, Special Publications, 43:265-274, doi:10.1144/GSL.SP.1989.043.01.18 --- Leonid L. Perchuk: P-T-fluid regimes of metamorphism and related magmatism with specific reference to the granulite-facies Sharyzhalgay complex of Lake Baikal / Geological Society, London, Special Publications, 43:275-291, doi:10.1144/GSL.SP.1989.043.01.19 --- D. Ackermand, B. F. Windley, and A. Razafiniparany: The Precambrian mobile belt of southern Madagascar / Geological Society, London, Special Publications, 43:293-296, doi:10.1144/GSL.SP.1989.043.01.20 --- I. Cartwright and A. C. Barnicoat: Evolution of the Scourian complex / Geological Society, London, Special Publications, 43:297-301, doi:10.1144/GSL.SP.1989.043.01.21 --- M. A. H. Maboko, I. McDougall, and P. K. Zeitler: Metamorphic P-T path of granulites in the Musgrave Ranges, central Australia / Geological Society, London, Special Publications, 43:303-307, doi:10.1144/GSL.SP.1989.043.01.22 --- Eileen McLellan, Daniel Linder, and Jenny Thomas: Multiple granulite-facies events in the southern Appalachians, USA / Geological Society, London, Special Publications, 43:309-314, doi:10.1144/GSL.SP.1989.043.01.23 --- James M. McLelland: Pre-granulite-facies metamorphism in the Adirondack Mountains, New York / Geological Society, London, Special Publications, 43:315-317, doi:10.1144/GSL.SP.1989.043.01.24 --- F. Mengel and T. Rivers: Thermotectonic evolution of proterozoic and reworked Archaean terranes along the Nain-Churchill boundary in the Saglek Area, northern Labrador / Geological Society, London, Special Publications, 43:319-324, doi:10.1144/GSL.SP.1989.043.01.25 --- Motoyoshi Yoichi, Satoshi Matsubara, and Hiroharu Matsueda: P-T evolution of the granulite-facies rocks of the Lützow-Holm Bay region, East Antarctica / Geological Society, London, Special Publications, 43:325-329, doi:10.1144/GSL.SP.1989.043.01.26 --- H. R. Rollinson: Garnet—orthopyroxene thermobarometry of granulites from the north marginal zone of the Limpopo belt, Zimbabwe / Geological Society, London, Special Publications, 43:331-335, doi:10.1144/GSL.SP.1989.043.01.27 --- Volker Schenk: P-T-t path of the lower crust in The Hercynian fold belt of southern Calabria / Geological Society, London, Special Publications, 43:337-342, doi:10.1144/GSL.SP.1989.043.01.28 --- Daniel Vielzeuf and Christian Pin: Geodynamic implications of granulitic rocks in the Hercynian belt / Geological Society, London, Special Publications, 43:343-348, doi:10.1144/GSL.SP.1989.043.01.29 --- R. G. Warren and B. J. Hensen: The P-T evolution of the Proterozoic Arunta Block, central Australia, and Implications for tectonic evolution / Geological Society, London, Special Publications, 43:349-355, doi:10.1144/GSL.SP.1989.043.01.30 --- D. J. Waters: Metamorphic evidence for the heating and cooling path of Namaqualand granulites / Geological Society, London, Special Publications, 43:357-363, doi:10.1144/GSL.SP.1989.043.01.31 --- I. S. Buick and T. J. B. Holland: The P-T-t path associated with crustal extension, Naxos, Cyclades, Greece / Geological Society, London, Special Publications, 43:365-369, doi:10.1144/GSL.SP.1989.043.01.32 --- M. Franceschelli, I. Memmi, F. Pannuti, and C. A. Ricci: Diachronous metamorphic equilibria in the Hercynian basement of northern Sardinia, Italy / Geological Society, London, Special Publications, 43:371-375, doi:10.1144/GSL.SP.1989.043.01.33 --- P. K. Verma: The Himalayan metamorphism / Geological Society, London, Special Publications, 43:377-383, doi:10.1144/GSL.SP.1989.043.01.34 --- A. J. Barker and M. W. Anderson: The Caledonian structural—metamorphic evolution of south Troms, Norway / Geological Society, London, Special Publications, 43:385-390, doi:10.1144/GSL.SP.1989.043.01.35 --- Kevin W. Burton, Alan P. Boyle, Wendy L. Kirk, and Roger Mason: Pressure, temperature and structural evolution of the Sulitjelma fold-nappe, central Scandinavian Caledonides / Geological Society, London, Special Publications, 43:391-411, doi:10.1144/GSL.SP.1989.043.01.36 --- A. H. N. Rice, R.

Note: Contents Preface 1 Introduction 1.1 The necessity for measurements 1.2 Definition of a measurement 1.3 Historical aspects 2 Measurement basics 2.1 Overview of methods 2.1.1 Direct and indirect methods 2.1.2 In-situ and remote sensing methods 2.1.3 Instantaneous and integrating methods 2.1.4 On-line and off-line methods, post-processing 2.1.5 Flux measurements 2.2 Main measurement principles 2.3 Measurements by inversion 2.3.1 Inversion with one variable 2.3.2 Inversion with more than one variable 2.3.3 Well-posed and ill-posed problems 2.4 Measurement instruments 2.4.1 Active and passive instruments 2.4.2 Analogue and digital instruments 2.5 Measurement platforms 2.6 Measurement variables 2.7 General characteristics of measured data 2.8 Data logging 2.9 Quality assurance/quality control 3 In-situ measurements of state variables 3.1 Thermometers 3.1.1 Liquid-in-glass thermometers 3.1.2 Bimetal thermometers 3.1.3 Resistance thermometers, thermistors 3.1.4 Thermocouples, thermopiles 3.1.5 Sonic thermometry 3.1.6 Measurement of infrared radiation 3.1.7 Soil thermometer 3.1.8 Recommendations for temperature measurements 3.2 Measuring moisture 3.2.1 Hygrometer 3.2.2 Psychrometers 3.2.3 Dewpoint determination 3.2.4 Capacitive methods 3.2.5 Recommendations for humidity measurements 3.3 Pressure sensors 3.3.1 Barometers 3.3.2 Hypsometers 3.3.3 Electronic barometers 3.3.4 Microbarometer 3.3.5 Pressure balance 3.3.6 Recommendations for pressure measurements 3.4 Wind measurements 3.4.1 Estimation from visual observations 3.4.2 Wind direction 3.4.3 Cup anemometer 3.4.4 Pressure tube 3.4.5 Hot wire anemometer 3.4.6 Ultrasonic anemometer 3.4.7 Propeller anemometer 3.4.8 Recommendations for wind measurements 4 In-situ methods for observing liquid water and ice 4.1 Precipitation 4.1.1 Rain sensors (Present Weather Sensors) 4.1.2 Rain gauges (totalisators) 4.1.3 Pluviographs 4.1.4 Disdrometer 4.1.5 Special instruments for snow 4.1.6 Recommendations for precipitation measurements 4.2 Soil moisture 4.2.1 Gravimetric methods 4.2.2 Neutron probes 4.2.3 Time domain reflectrometry (TDR) 4.2.4 Tensiometers 4.2.5 Resistance block tensiometer 4.2.6 Recommendations for soil moisture measurements 5 In-situ measurement of trace substances 5.1 Measurement of trace gases 5.1.1 Physical methods 5.1.2 Chemical methods 5.1.3 Recommendations for the measurement of trace gases 5.2 Particle measurements 5.2.1 Determination of the particle mass 5.2.2 Measuring particle size distributions 5.2.3 Measurement of the chemical composition of particles 5.2.4 Measuring the particle structure 5.2.5 Saltiphon 5.2.6 Recommendations for particle measurements 5.3 Olfactometry 5.4 Radioactivity 5.4.1 Counter tubes 5.4.2 Scintillation counters 5.4.3 Recommendations for radioactivity monitoring 6 In-situ flux measurements 6.1 Measuring radiation 6.1.1 Measuring direct solar radiation 6.1.2 Measuring shortwave irradiance 6.1.3 Measuring longwave irradiance 6.1.4 Measuring the total irradiance 6.1.5 Measuring chill 6.1.6 Sunshine recorder 6.1.7 Recommendations for radiation measurements 6.2 Visual range 6.3 Micrometeorological flux measurements 6.3.1 Cuvettes 6.3.2 Surface chambers 6.3.3 Mass balance method 6.3.4 Inferential method 6.3.5 Gradient method 6.3.6 Bowen-ratio method 6.3.7 Flux variance method 6.3.8 Dissipation method 6.3.9 Eddy covariance method 6.3.10 Eddy accumulation methods 6.3.11 Disjunct eddy covariance method 6.3.12 Recommendations for the measurement of turbulent fluxes 6.4 Evaporation Atmometers 6.4.2 Lysimeters 6.4.3 Evaporation pans and tanks 6.4.4 Recommendations for evaporation measurements 6.5 Soil heat flux 6.6 Inverse emission flux modelling 7 Remote sensing methods 7.1 Basics of remote sensing 7.2 Active sounding methods 7.2.1 RADAR 7.2.2 Windprofilers 7.2.3 SODAR 7.2.4 RASS 7.2.5 LIDAR 7.2.6 Further LIDAR techniques 7.3 Active path-averaging methods 7.3.1 Scintillometers 7.3.2 FTIR 7.3.3 DOAS 7.3.4 Quantum cascade laser 7.4 Passive methods 7.4.1 Radiometers 7.4.2 Photometers 7.4.3 Infrared-Interferometer 7.5 Tomography 7.5.1 Simultaneous Iterative Reconstruction Technique 7.5.2 Algebraic Reconstruction Technique (ART) 7.5.3 Smooth Basis Function Minimization (SBFM) 8 Remote sensing of atmospheric state variables 8.1 Temperature 8.1.1 Near-surface temperatures 8.1.2 Temperature profiles 8.2 Gaseous humidity 8.2.1 Integral water vapour content 8.2.2 Vertical profiles 8.2.3 Large-scale humidity distribution 8.3 Wind and turbulence 8.3.1 Small-scale near-surface turbulence 8.3.2 Horizontal wind fields 8.3.3 Vertical wind profiles 8.3.4 Turbulence profiles 8.3.5 Cloud winds 8.3.6 Ionospheric winds 8.4 Mixing-layer heights 8.4.1 LIDAR 8.4.2 SODAR 8.5 Turbulent fluxes 8.6 Ionospheric electron densities 8.7 Recommendations for remote sensing of state variables 9 Remote sensing of water and ice 9.1 Precipitation 9.1.1 RADAR 9.1.2 Precipitation measurements from satellites 9.2 Clouds 9.2.1 Cloud base 9.2.2 Cloud cover 9.2.3 Cloud movement 9.2.4 Water content 9.3 Recommendations for remote sensing of liquid water and ice 10 Remote sensing of trace substances 10.1 Trace gases 10.1.1 Horizontal path-averaging methods 10.1.2 Vertical column densities 10.1.3 Sounding methods 10.2 Aerosols 10.2.1 Aerosol optical depths (AOD) 10.2.2 Sounding methods 10.3 Recommendations for remote sensing of trace substances 11 Remote sensing of surface properties 11.1 Properties of the solid surface 11.1.1 Surface roughness 11.1.2 Land surface temperature 11.1.3 Soil moisture 11.1.4 Vegetation 11.1.5 Snow and ice 11.1.6 Fires 11.2 Properties of the ocean surface 11.2.1 Altitudes of the sea surface 11.2.2 Wave heights 11.2.3 Sea surface temperature 11.2.4 Salinity 11.2.5 Ocean currents 11.2.6 Ice cover, size of ice floes 11.2.7 Algae and suspended sediment concentrations 12 Remote sensing of electrical phenomena 12.1 Spherics 12.1.1 Directional analyses 12.1.2 Distance analyses 12.2 Optical lightning detection 13 Outlook on new developments Literature Subject index Appendix: Technical guidelines and standards Index to the Appendix

Note: Contents: List of Contributors. - Preface. - Part I. Introduction: 1. Applications and uses of diatoms: prologue ; 2. The diatoms: a primer ; 3. Numerical methods for the analysis of diatom assemblage data ; Part II. Diatoms as indicators of environmental change in flowing waters and lakes: 4. Assessing environmental conditions in rivers and streams with diatoms ; 5. Diatoms as indicators of long-term environmental change in rivers, fluvial lakes and impoundments ; 6. Diatoms as indicators of surface-water acidity ; 7. Diatoms as indicators of lake eutrophication ; 8. Diatoms as indicators of environmental change in shallow lakes ; 9. Diatoms as indicators of water-level change in freshwater lakes ; 10. Diatoms as indicators of hydrologic and climatic change in saline lakes ; 11. Diatoms in ancient lakes ; Part III. Diatoms as Indicators in Arctic, Antarctic and alpine lacustrine environments: 12. Diatoms as indicators of environmental change in subarctic and alpine regions ; 13. Freshwater diatoms as indicators of environmental change in the High Arctic ; 14. Diatoms as indicators of environmental change in Antarctic and subantarctic freshwaters ; Part IV. Diatoms as indicators in marine and estuarine environments: 15. Diatoms and environmental change in large brackish-water ecosystems ; 16. Applied diatom studies in estuaries and shallow coastal environments ; 17. Estuarine paleoenvironmental reconstructions using diatoms ; 18. Diatoms on coral reefs and in tropical marine lakes ; 19. Diatoms as indicators of former sea levels, earthquakes, tsunamis and hurricanes ; 20. Marine diatoms as indicators of modern changes in oceanographic conditions ; 21. Holocene marine diatom records of environmental change ; 22. Diatoms as indicators of paleoceanographic events ; 23. Reconsidering the meaning of biogenic silica accumulation rates in the glacial Southern Ocean ; Part V. Other applications: 24. Diatoms of aerial habitats ; 25. Diatoms as indicators of environmental change in wetlands and peatlands ; 26. Tracking fish, seabirds, and wildlife population dynamics with diatoms and other limnological indicators ; 27. Diatoms and archaeology ; 28. Diatoms in oil and gas exploration ; 29. Forensic science and diatoms ; 30. Toxic marine diatoms ; 31. Diatoms as markers of atmospheric transport ; 32. Diatoms as nonnative species ; 33. Diatomite ; 34. Stable isotopes from diatom silica ; 35. Diatoms and nanotechnology: early history and imagined future as seen through patents ; Part IV. Conclusions: 36. Epilogue: a view to the future ; Glossary, acronyms, and abbreviations ; Index.

Note: PART I: BIOSPHERE - 1. Forest disturbance assessment using satellite data of moderate and low resolution / M. A. Korets, V. A. Ryzhkova, A. I. Sukhinin, S. A. Bartalev and I. V. Danilova 2. Fire / climate interactions in Siberia / Heiko Balzter, Kevin Tansey, Jorg Kaduk, Charles George, France Gerard, Maria Cuevas Gonzalez, Anatoly Sukhinin and Evgeni Ponomarev 3. Long-term dynamics of mixed fir-aspen forests in West Sayan (Altai-Sayan Ecoregion) / D. M. Ismailova and D. I. Nazimova 4. Evidence of evergreen conifers invasion into larch dominated forests during recent decades / V. I. Kharuk, K. J. Ranson and M. L. Dvinskaya 5. Potential climate-induced vegetation change in Siberia in the 21st century / N. M. Tchebakova , E. I. Parfenova, and A. J. Soja 6. Wildfire dynamics in mid-Siberian larch dominated forests / V. I. Kharuk, K. J. Ranson and M. L. Dvinskaya 7. Dendroclimatological evidence of climate changes across Siberia / Vladimir V. Shishov, Eugene A. Vaganov 8. Siberian pine and larch response to climate warming in the southern Siberian mountain forest: tundra ecotone / V. I. Kharuk, K. J. Ranson, M. L. Dvinskaya and S. T. Im PART II: HYDROSPHERE 9. Remote sensing of spring snowmelt in Siberia / A. Bartsch, W. Wagner and R. Kidd 10. Response of river runoff in the cryolithic zone of Eastern Siberia (Lena River Basin) to future climate warming / A. G. Georgiadi, I. P. Milyukova and E. A. Kashutina PART III: ATMOSPHERE 11. Investigating regional scale processes using remotely sensed atmospheric CO2 column concentrations from SCIAMACHY / M. P. Barkley, A. J. Hewitt and P. S. Monks 12. Climatic and geographic patterns of spatial distribution of precipitation in Siberia / A. Onuchin and T. Burenina PART IV: INFORMATION SYSTEMS 13. Interoperability, data discovery and access: the e-Infrastructures for Earth Sciences resources / Stefano Nativi, Christiana Schmullius, Lorenzo Bigagli and Roman Gerlach 14. Development of a web based information-computational infrastructure for the Siberia Integrated Regional Study / E. P. Gordov, A. Z. Fazliev, V. N. Lykosov, I. G. Okladnikov and A. G. Titov 15. Conclusions / Heiko Balzter. - Appendix. - Index.

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 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: Contents Abstract Preface Summary Nomenclature Introduction Analysis Melting period Freezing period Calculation Conclusion Literature cited Appendix A: Justification of using eq 8 for the calculation of heat transfer coefficient h

Note: CONTENTS Page Abstract Preface Introduction Definition of revegetation Definition of restoration Objectives Some revegetation considerations Site conditions Nutrient regime Plant adaptations Native species vs introduced species Methods Seedbed preparation Seeding methods Timing of seeding Seed mixes Fertilization Agronomic grasses and legumes Selection criteria Laboratory evaluation Field evaluation Effect of revegetation methods Site conditions Maintenance of herbaceous cover Introduced woody species Native species — succession Significance of disturbance Primary succession Secondary succession Herbaceous native species Selection Laboratory evaluation Field evaluation Effect of revegetation methods Woody native species Selection Laboratory evaluation Field evaluation Native species and agronomic species, in combination Recommendations for research Summary Bibliography Appendix: Species tested

Note: CONTENTS Abstract Preface Summary Foreword Terminology Trajectories of fixed tools Trajectories of roller cutters and indenters Speed of fixed cutting tools Speed of rolling disc cutters Speed and geometry of "wide" roller cutters Skidding rollers "Spiked" rollers Epicyclic or planetary mechanisms Chipping depth and penetration rate Chip production and cutting removal rate Balancing cutting and clearing rates in flight augers Tool relief angles - kinematic considerations Tool rake angles Distribution and spacing of cutting tools Radial tool spacing Angular tool spacing Spacing in the axial direction Literature cited

Note: Contents Abstract Preface Summary Foreword Introduction Terminology Chipping depth Production and conveyance of cuttings Tool trajectories Tool speeds Tool relief angles — kinematic considerations Tool rake angles Belt curvature, slackness and flexibility Tool layout Longitudinal tool spacing Transverse tool spacing Cross-section profiles of the kerf Literature cited

Note: Contents Abstract Preface Introduction Test site Pile driving equipment Test instrumentation Testing procedures Pile driving data Pile type vs driving resistance Closed-end vs open-end piles Calculated bearing capacity of pile Effect of pile driving on the embedment medium Pile inclination Slurried-in-place piles Pile load test data Strain gage instrumentation and results Pile excavation Discussion and conclusions Literature cited Appendix A: Theoretical elastic deflection of piles supported by skin friction Appendix B: Trench floor arching study

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 Abstract Preface Summary Conversion factors for U.S. customary and SI units Introduction Theory Examples Discussion Literature cited

Note: Contents: Introduction. - NE Greenland. Previous investigations of subfossil and extant freshwater diatoms. - Klaresø. - Sølejren. - Present investigations. - Vandsøen. - The taxa. - Taxonomical remarks. - W Greenland. Previous investigations of the subfossil diatom flora. - Johannes Iversen Sø. - Gytjesø. - Sârdlup tîmane taserssuaq. - Kigssaviat taserssua. - Galium Kær. - Spongilla sø. - Present investigations. - Qeqertat, Inglefield Bredning. - The taxa. - Taxonomical remarks. - Ecological remarks. - Eqalunguit, Disko. - The taxa. - Changes in pH of the environment. - Taxonomical remarks. - Langesø and Rundesø, Tugtuligssuaq. - The taxa. - Changes in pH of the environment. - Taxonomical remarks. - Acknowledgements. - References.

Note: In kyrillischer Schrift , Zusammenfassungen in englischer Sprache , Inhaltsverzeichnis in englischer Sprache

Note: Inhaltsverzeichnis = Table of contents = Table des matières. - Einleitung = Introduction = Introduction. - Bemerkungen zum Inhalt und zur Gestaltung des Buches = Comments on the Contents and lay-out of the book = Remarques quant au contenue et à la structure du livre. - Methode = Methods = Methode. - Oekogramm = Ecogram = Ecogramme. - Bestimmungsschlüssel = Identification key = Clé d'identification. - Charakterisierung der Makroreste = Description of the macro-remains = Description des macrorestes. - Weitere Makroreste = Further macro-remains = Autres macrorestes. - Literatur = Literature = Litterature. - Index der Arten = Index of species = Index des espèces. , Text dt., engl. u. franz.

Note: Foreword; Acknowledgements; List of participating members of the Expert Group; CONTENTS; List of tables; List of figures; Executive summary; Part I: Methodology and Data on Levelised Costs for Generating Electricity; Chapter 1 Introduction and context; Chapter 2 Methodology, conventions and key assumptions; Chapter 3 Technology overview; Chapter 4 Country-by-country data on electricity generating costs for different technologies; Part 2: Sensitivity analyses and boundary issues; Chapter 5 Median case; Chapter 6 Sensitivity analyses. , Chapter 7 System integration aspects of variable renewable power generationChapter 8 Financing issues; Chapter 9 Levelised costs and the working of actual power markets; Chapter 10 Carbon capture and storage; Chapter 11 Synthesis report on other studies of the levelised cost of electricity; ANNEXES; Annex 1 Issues concerning data from non-OECD countries and assumptions forthe electricity generating cost calculations; Annex 2 List of abbreviations;.

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

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: Preface / Olav Orheim. - General report of the expedition / Olav Orheim. - Geodetic-topographic measurements in Dronning Maud Land and Bouvetøya / Trond Eiken & Knut Svendsen. - Ornithological investigations in Mühlig-Hofmannfjella, Dronning Maud Land / Fridtjof Mehlum, Claus Bech & Svein Haftorn. - Geology of Gjelsvikfjella and Western Mühlig-Hofmannfjella / Yoshihide Ohta & Bjørn Tørudbakken. - Botany of Gjelsvikfjella and Mühlig-Hofmannfjella, Dronning Maud Land / Torstein Engelskjøn. - Terrestrial invertebrates of Mühlig-Hofmannfjella / Lauritz Sømme. - Meteorological and glaciological studies in Dronning Maud Land / Yngvar Gjessing. - Geological and paleomagnetic research in Vestfjella, Dronning Maud Land / Harald Furnes & Reidar Løvlie. - Sedimentological research in northwestern part of Dronning Maud Land / Snorre Olaussen. - Geomorphological and glaciological observations in Vestfjella, Dronning Maud Land / Stig Jonsson. - Geophysical studies in the southern Weddell Sea / Kristen Haugland & Yngve Kristoffersen. - Marine geological studies on the Weddell Sea shelf / Anders Solheim & Yngve Kristoffersen. - Radiolaria in surface plankton collected on trans-Atlantic crossing of NARE 1984/85 / Kjell R. Bjørklund. - Hydrographic observations on the southern Weddell Sea shelf break / Arne Foldvik & Tor Gammelsrød. - Iceberg research and other glaciological studies from K/V "Andenes" / Monica Kristensen & Olav Orheim.

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 Abstract Preface Introduction Sampling and analytical procedures Results Discussion Conclusions Literature cited

Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) Units of measurement Introduction Test procedure Pavement types Deicing chemicals Description of tests Discussion Literature cited Appendix A: Test results Appendix B: Portland cement concrete materials data

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

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 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 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 Abstract Preface Summary Conversion factors: U.S. customary to SI metric units Introduction Typical methods of constructing ice bridges Current knowledge Test program Objectives Equipment Procedure Data General Specific ice sheets Test results Conclusions Recommendations 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

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