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  • 1
    Call number: 9/M 07.0421(446)
    In: Geological Society special publication ; 446
    Type of Medium: Series available for loan
    Pages: 382 Seiten , Illustrationen, Karten, Diagramme
    ISBN: 9781786202765
    Series Statement: Special publication / Geological Society of London no. 446
    Classification:
    Geophysics
    Language: English
    Location: Reading room
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  • 2
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: 10/M 17.91211 ; M 18.91287
    Type of Medium: Monograph available for loan
    Pages: v, 289 Seiten
    ISBN: 9783319646640
    Series Statement: Advances in isotope geochemistry
    Classification:
    Geochemistry
    Language: English
    Location: Reading room
    Location: Upper compact magazine
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  • 3
    Monograph available for loan
    Monograph available for loan
    Amsterdam : Elsevier
    Call number: M 18.91612
    Description / Table of Contents: Front Cover -- Machine Learning Techniques for Space Weather -- Copyright -- Contents -- Contributors -- Introduction -- Machine Learning and Space Weather -- Scope and Structure of the Book -- Acknowledgments -- References -- Part I: Space Weather -- Chapter 1: Societal and Economic Importance of Space Weather -- 1 What is Space Weather? -- 2 Why Now? -- 3 Impacts -- 3.1 Geomagnetically Induced Currents -- 3.2 Global Navigation Satellite Systems -- 3.3 Single-Event Effects -- 3.4 Other Radio Systems -- 3.5 Satellite Drag -- 4 Looking to the Future -- 5 Summary and Conclusions -- Acknowledgments -- References -- Chapter 2: Data Availability and Forecast Products for Space Weather -- 1 Introduction -- 2 Data and Models Based on Machine Learning Approaches -- 3 Space Weather Agencies -- 3.1 Government Agencies -- 3.1.1 NOAA's Data and Products -- 3.1.2 NASA -- 3.1.3 European Space Agency -- 3.1.4 The US Air Force Weather Wing -- 3.2 Academic Institutions -- 3.2.1 Kyoto University, Japan -- 3.2.2 Rice University, USA -- 3.2.3 Laboratory for Atmospheric and Space Physics, USA -- 3.3 Commercial Providers -- 3.4 Other Nonprofit, Corporate Research Agencies -- 3.4.1 USGS -- 3.4.2 JHU Applied Physics Lab -- 3.4.3 US Naval Research Lab -- 3.4.4 Other International Service Providers -- 4 Summary -- References -- Part II: Machine Learning -- Chapter 3: An Information-Theoretical Approach to Space Weather -- 1 Introduction -- 2 Complex Systems Framework -- 3 State Variables -- 4 Dependency, Correlations, and Information -- 4.1 Mutual Information as a Measure of Nonlinear Dependence -- 4.2 Cumulant-Based Cost as a Measure of Nonlinear Dependence -- 4.3 Causal Dependence -- 4.4 Transfer Entropy and Redundancy as Measures of Causal Relations -- 4.5 Conditional Redundancy -- 4.6 Significance of Discriminating Statistics
    Description / Table of Contents: 4.7 Mutual Information and Information Flow -- 5 Examples From Magnetospheric Dynamics -- 6 Significance as an Indicator of Changes in Underlying Dynamics -- 6.1 Detecting Dynamics in a Noisy System -- 6.2 Cumulant-Based Information Flow -- 7 Discussion -- 8 Summary -- Acknowledgments -- References -- Chapter 4: Regression -- 1 What is Regression? -- 2 Learning From Noisy Data -- 2.1 Prediction Errors -- 2.2 A Probabilistic Set-Up -- 2.3 The Least Squares Method for Linear Regression -- 2.3.1 The Least Squares Method and the Best Linear Predictor -- 2.3.2 The Least Squares Method and the Maximum Likelihood Principle -- 2.3.3 A More General Approach and Higher-Order Predictors -- 2.4 Overfitting -- 2.4.1 The Order Selection Problem -- Error Decomposition: The Bias Versus Variance Trade-Off -- Some Popular Order Selection Criteria -- 2.4.2 Regularization -- 2.5 From Point Predictors to Interval Predictors -- 2.5.1 Distribution-Free Interval Predictors -- 2.6 Probability Density Estimation -- 3 Predictions Without Probabilities -- 3.1 Approximation Theory -- Dense Sets -- Best Approximator -- 3.1.1 Neural Networks -- The Backpropagation Algorithm: High-Level Idea -- Multiple Layers Networks (Deep Networks) -- 4 Probabilities Everywhere: Bayesian Regression -- 4.1 Gaussian Process Regression -- 5 Learning in the Presence of Time: Identification of Dynamical Systems -- 5.1 Linear Time-Invariant Systems -- 5.2 Nonlinear Systems -- References -- Chapter 5: Supervised Classification: Quite a Brief Overview -- 1 Introduction -- 1.1 Learning, Not Modeling -- 1.2 An Outline -- 2 Classifiers -- 2.1 Preliminaries -- 2.2 The Bayes Classifier -- 2.3 Generative Probabilistic Classifiers -- 2.4 Discriminative Probabilistic Classifiers -- 2.5 Losses and Hypothesis Spaces -- 2.5.1 0-1 Loss -- 2.5.2 Convex Surrogate Losses
    Description / Table of Contents: 2.5.3 Particular Surrogate Losses -- 2.6 Neural Networks -- 2.7 Neighbors, Trees, Ensembles, and All that -- 2.7.1 k Nearest Neighbors -- 2.7.2 Decision Trees -- 2.7.3 Multiple Classifier Systems -- 3 Representations and Classifier Complexity -- 3.1 Feature Transformations -- 3.1.1 The Kernel Trick -- 3.2 Dissimilarity Representation -- 3.3 Feature Curves and the Curse of Dimensionality -- 3.4 Feature Extraction and Selection -- 4 Evaluation -- 4.1 Apparent Error and Holdout Set -- 4.2 Resampling Techniques -- 4.2.1 Leave-One-Out and k-Fold Cross-Validation -- 4.2.2 Bootstrap Estimators -- 4.2.3 Tests of Significance -- 4.3 Learning Curves and the Single Best Classifier -- 4.4 Some Words About More Realistic Scenarios -- 5 Regularization -- 6 Variations on Standard Classification -- 6.1 Multiple Instance Learning -- 6.2 One-Class Classification, Outliers, and Reject Options -- 6.3 Contextual Classification -- 6.4 Missing Data and Semisupervised Learning -- 6.5 Transfer Learning and Domain Adaptation -- 6.6 Active Learning -- Acknowledgments -- References -- Part III: Applications -- Chapter 6: Untangling the Solar Wind Drivers of the Radiation Belt: An Information Theoretical Approach -- 1 Introduction -- 2 Data Set -- 3 Mutual Information, Conditional Mutual Information, and Transfer Entropy -- 4 Applying Information Theory to Radiation Belt MeV Electron Data -- 4.1 Radiation Belt MeV Electron Flux Versus Vsw -- 4.2 Radiation Belt MeV Electron Flux Versus nsw -- 4.3 Anticorrelation of Vsw and nsw and Its Effect on Radiation Belt -- 4.4 Ranking of Solar Wind Parameters Based on Information Transfer to Radiation Belt Electrons -- 4.5 Detecting Changes in the System Dynamics -- 5 Discussion -- 5.1 Geo-Effectiveness of Solar Wind Velocity -- 5.2 nsw and Vsw Anticorrelation
    Description / Table of Contents: 5.3 Geo-Effectiveness of Solar Wind Density -- 5.4 Revisiting the Triangle Distribution -- 5.5 Improving Models With Information Theory -- 5.5.1 Selecting Input Parameters -- 5.5.2 Detecting Nonstationarity in System Dynamics -- 5.5.3 Prediction Horizon -- 6 Summary -- Acknowledgments -- References -- Chapter 7: Emergence of Dynamical Complexity in the Earth's Magnetosphere -- 1 Introduction -- 2 On Complexity and Dynamical Complexity -- 3 Coherence and Intermittent Features in Time Series Geomagnetic Indices -- 4 Scale-Invariance and Self-Similarity in Geomagnetic Indices -- 5 Near-Criticality Dynamics -- 6 Multifractional Features and Dynamical Phase Transitions -- 7 Summary -- Acknowledgments -- References -- Chapter 8: Applications of NARMAX in Space Weather -- 1 Introduction -- 2 NARMAX Methodology -- 2.1 Forward Regression Orthogonal Least Square -- 2.2 The Noise Model -- 2.3 Model Validation -- 2.4 Summary -- 3 NARMAX and Space Weather Forecasting -- 3.1 Geomagnetic Indices -- 3.1.1 SISO Dst Index -- 3.1.2 Continuous Time Dst model -- 3.1.3 MISO Dst -- 3.1.4 Kp Index -- 3.2 Radiation Belt Electron Fluxes -- 3.2.1 GOES High Energy -- 3.2.2 SNB3GEO Comparison With NOAA REFM -- 3.2.3 GOES Low Energy -- 3.3 Summary of NARMAX Models -- 4 NARMAX and Insight Into the Physics -- 4.1 NARMAX Deduced Solar Wind-Magnetosphere Coupling Function -- 4.2 Identification of Radiation Belt Control Parameters -- 4.2.1 Solar Wind Density Relationship With Relativistic Electrons at GEO -- 4.2.2 Geostationary Local Quasilinear Diffusion vs. Radial Diffusion -- 4.3 Frequency Domain Analysis of the Dst Index -- 5 Discussions and Conclusion -- References -- Chapter 9: Probabilistic Forecasting of Geomagnetic Indices Using Gaussian Process Models -- 1 Geomagnetic Time Series and Forecasting -- 2 Dst Forecasting
    Description / Table of Contents: 2.1 Models and Algorithms -- 2.2 Probabilistic Forecasting -- 3 Gaussian Processes -- 3.1 Gaussian Process Regression: Formulation -- 3.2 Gaussian Process Regression: Inference -- 4 One-Hour Ahead Dst Prediction -- 4.1 Data Source: OMNI -- 4.2 Gaussian Process Dst Model -- 4.3 Gaussian Process Auto-Regressive (GP-AR) -- 4.4 GP-AR With eXogenous Inputs (GP-ARX) -- 5 One-Hour Ahead Dst Prediction: Model Design -- 5.1 Choice of Mean Function -- 5.2 Choice of Kernel -- 5.3 Model Selection: Hyperparameters -- 5.3.1 Grid Search -- 5.3.2 Coupled Simulated Annealing -- 5.3.3 Maximum Likelihood -- 5.4 Model Selection: Auto-Regressive Order -- 6 GP-AR and GP-ARX: Workflow Summary -- 7 Practical Issues: Software -- 8 Experiments and Results -- 8.1 Model Selection and Validation Performance -- 8.2 Comparison of Hyperparameter Selection Algorithms -- 8.3 Final Evaluation -- 8.4 Sample Predictions With Error Bars -- 9 Conclusion -- References -- Chapter 10: Prediction of MeV Electron Fluxes and Forecast Verification -- 1 Relativistic Electrons in Earth's Outer Radiation Belt -- 1.1 Source, Loss, Transport, and Acceleration, Variation -- 2 Numerical Techniques in Radiation Belt Forecasting -- 3 Relativistic Electron Forecasting and Verification -- 3.1 Forecast Verification -- 3.2 Relativistic Electron Forecasting -- 4 Summary -- References -- Chapter 11: Artificial Neural Networks for Determining Magnetospheric Conditions -- 1 Introduction -- 2 A Brief Review of ANNs -- 3 Methodology and Application -- 3.1 The DEN2D Model -- 4 Advanced Applications -- 4.1 The DEN3D Model -- 4.2 The Chorus and Hiss Wave Models -- 4.3 Radiation Belt Flux Modeling -- 5 Summary and Discussion -- Acknowledgments -- References -- Chapter 12: Reconstruction of Plasma Electron Density From Satellite Measurements Via Artificial Neural Networks
    Description / Table of Contents: 1 Overview
    Type of Medium: Monograph available for loan
    Pages: xviii, 433 Seiten , Illustrationen
    ISBN: 978-0-12-811788-0
    Classification:
    Geophysics
    Language: English
    Location: Upper compact magazine
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  • 4
    Call number: 10/M 18.90965 ; M 18.90965
    Description / Table of Contents: The book summarizes the knowledge and experiences concerning the role of halogens during various geochemical processes, such as diagenesis, ore-formation, magma evolution, metasomatism, mineralization, and metamorphism in the crust and mantle of the Earth. It comprises the role of halogens in other terrestrial worlds like volatile-rich asteroids, Mars, and the ice moons of Jupiter and Saturn. Review chapters outline and expand upon the basis of our current understanding regarding how halogens contribute to the geochemical/geophysical evolution and stability of terrestrial worlds overall.
    Type of Medium: Monograph available for loan
    Pages: vi, 1030 Seiten
    Edition: 1st edition 2018
    ISBN: 978-3-319-61665-0
    Series Statement: Springer Geochemistry
    Classification:
    Geochemistry
    Language: English
    Location: Reading room
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  • 5
    Call number: 9/M 07.0421(468)
    In: Geological Society Special Publication
    Type of Medium: Monograph available for loan
    Pages: 208 Seiten , Diagramme
    ISBN: 978-1-78620-366-3
    Series Statement: Geological Society Special Publication 468
    Classification:
    Geochemistry
    Language: English
    Note: Hydrocarbon systems, by nature, are a complex interplay of elements that must be spatially and temporally aligned to result in the generation and preservation of subsurface hydrocarbon accumulations. To meet the increasing challenges of discovering hydrocarbon resources, it is essential that we advance our understanding of these systems through new geochemical approaches and analytical developments. Such development requires that academic- and industry-led research efforts converge in ways that are unique to the geosciences. The aim of this volume is to bring together a multidisciplinary geochemical community from industry and academia working in hydrocarbon systems to publish recent advances and state-of-the-art approaches to resolve the many remaining questions in hydrocarbon systems analysis. From Source to Seep presents geochemical and isotopic studies that are grouped into three themes: (1) source-rock identification and the temperature/timing of hydrocarbon generation; (2) mechanisms and time-scales associated with hydrocarbon migration, trapping, storage and alteration; and (3) the impact of fluid flow on reservoir properties. | Contents: Geochemical applications in petroleum systems analysis: new constraints and the power of integration / M. Lawson, M. J. Formolo, L. Summa and J. M. Eiler / Geological Society, London, Special Publications, 468, 1-21, 19 February 2018, https://doi.org/10.1144/SP468.6 --- Source-rock identification and the temperature/timing of hydrocarbon generation --- The utility of methane clumped isotopes to constrain the origins of methane in natural gas accumulations / Daniel A. Stolper, Michael Lawson, Michael J. Formolo, Cara L. Davis, Peter M. J. Douglas and John M. Eiler / Geological Society, London, Special Publications, 468, 23-52, 14 December 2017, https://doi.org/10.1144/SP468.3 --- The isotopic structures of geological organic compounds / John M. Eiler, Matthieu Clog, Michael Lawson, Max Lloyd, Alison Piasecki, Camilo Ponton and Hao Xie / Geological Society, London, Special Publications, 468, 53-81, 14 December 2017, https://doi.org/10.1144/SP468.4 --- Vanadium isotope composition of crude oil: effects of source, maturation and biodegradation / Yongjun Gao, John F. Casey, Luis M. Bernardo, Weihang Yang and K. K. (Adry) Bissada / Geological Society, London, Special Publications, 468, 83-103, 14 December 2017, https://doi.org/10.1144/SP468.2 --- Carbon and hydrogen isotopic compositions of n-alkanes as a tool in petroleum exploration / Nikolai Pedentchouk and Courtney Turich / Geological Society, London, Special Publications, 468, 105-125, 14 December 2017, https://doi.org/10.1144/SP468.1 --- Mechanisms and time-scales associated with hydrocarbon migration, trapping, storage and alteration --- Noble gases in conventional and unconventional petroleum systems / David J. Byrne, P. H. Barry, M. Lawson and C. J. Ballentine / Geological Society, London, Special Publications, 468, 127-149, 14 December 2017, https://doi.org/10.1144/SP468.5 --- Differentiating between biogenic and thermogenic sources of natural gas in coalbed methane reservoirs from the Illinois Basin using noble gas and hydrocarbon geochemistry / Myles T. Moore, David S. Vinson, Colin J. Whyte, William K. Eymold, Talor B. Walsh and Thomas H. Darrah / Geological Society, London, Special Publications, 468, 151-188, 18 January 2018, https://doi.org/10.1144/SP468.8 --- The impact of fluid flow on reservoir properties --- Testing clumped isotopes as a reservoir characterization tool: a comparison with fluid inclusions in a dolomitized sedimentary carbonate reservoir buried to 2–4 km / John M. MacDonald, Cédric M. John and Jean-Pierre Girard / Geological Society, London, Special Publications, 468, 189-202, 14 December 2017, https://doi.org/10.1144/SP468.7
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  • 6
    Call number: M 17.90813
    Type of Medium: Monograph available for loan
    Pages: 402 Seiten
    Classification:
    Geophysics
    Location: Upper compact magazine
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  • 7
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: M 18.91552
    Type of Medium: Monograph available for loan
    Edition: 8th edition
    ISBN: 978-3-319-78526-4
    Series Statement: Springer Textbooks in Earth Sciences, Geography and Environment
    Classification:
    Geochemistry
    Language: English
    Location: Upper compact magazine
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  • 8
    Monograph available for loan
    Monograph available for loan
    Cambridge :Cambridge University Press,
    Call number: M 18.90867
    Type of Medium: Monograph available for loan
    Pages: 220 Seiten , 25 cm
    ISBN: 9781107198739
    Classification:
    Geochemistry
    Language: English
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  • 9
    Call number: S 97.0506
    In: Forschungsbericht
    Type of Medium: Series available for loan
    Pages: IV, 95 S. , Ill., graph. Darst.
    Edition: Als Ms. gedruckt
    ISBN: 9783941721616
    Series Statement: DGMK research report 741-1
    Classification:
    Geophysics
    Language: English
    Location: Lower compact magazine
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  • 10
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: 10/M 16.89929
    Description / Table of Contents: This work summarizes the historical progression of the field of lithium (Li) isotope studies and provides a comprehensive yet succinct overview of the research applications toward which they have been directed. In synthesizing the historical and current research, the volume also suggests prospective future directions of study. Not even a full decade has passed since the publication of a broadly inclusive summary of Li isotope research around the globe (Tomascak, 2004). In this short time, the use of this isotope system in the investigation of geo- and cosmochemical questions has increased dramatically, due, in part, to the advent of new analytical technology at the end of the last millennium. Lithium, as a light element that forms low-charge, moderate-sized ions, manifests a number of chemical properties that make its stable isotope system useful in a wide array of geo- and cosmochemical research fields.  
    Type of Medium: Monograph available for loan
    Edition: Online edition Springer eBook Collection. Earth and Environmental Science
    ISBN: 9783319014302 , 9783319014296
    Series Statement: Advances in isotope geochemistry
    Classification:
    Geochemistry
    Language: English
    Note: Methodology of Lithium Analytical Chemistry and Isotopic MeasurementsCosmochemistry of Lithium -- Li Partitioning, Diffusion and Associated Isotopic Fractionation: Theoretical and Experimental Insights -- Lithium in the Deep Earth: Mantle and Crustal Systems -- The Surficial Realm: Low Temperature Geochemistry of Lithium..
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  • 11
    Call number: 9/M 07.0421(406)
    In: Geological Society special publication
    Description / Table of Contents: This volume highlights key challenges for fluid-flow prediction in carbonate reservoirs, the approaches currently employed to address these challenges and developments in fundamental science and technology. The papers span methods and case studies that highlight workflows and emerging technologies in the fields of geology, geophysics, petrophysics, reservoir modelling and computer science. Topics include: detailed pore-scale studies that explore fundamental processes and applications of imaging and flow modelling at the pore scale; case studies of diagenetic processes with complementary perspectives from reactive transport modelling; novel methods for rock typing; petrophysical studies that investigate the impact of diagenesis and fault-rock properties on acoustic signatures; mechanical modelling and seismic imaging of faults in carbonate rocks; modelling geological influences on seismic anisotropy; novel approaches to geological modelling; methods to represent key geological details in reservoir simulations and advances in computer visualization, analytics and interactions for geoscience and engineering.
    Type of Medium: Monograph available for loan
    Pages: VI, 473 S. : z. T. farb. Ill., graph. Darst., Kt.
    ISBN: 9781862396593
    Series Statement: Geological Society special publication 406
    Classification:
    Geophysics
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  • 12
    Call number: M 15.0216
    Description / Table of Contents: Geofluids : Developments in Microthermometry, Spectroscopy, Thermodynamics, and Stable Isotopes is the definitive source on paleofluids and the migration of hydrocarbons in sedimentary basins-ideal for researchers in oil and gas exploration. There's been a rapid development of new non-destructive analytical methods and interdisciplinary research that makes it difficult to find a single source of content on the subject of geofluids. Geoscience researchers commonly use multiple tools to interpret geologic problems, particularly if the problems involve fluid-rock interaction. This book perfectly combines the techniques of fluid inclusion microthermometry, stable isotope analyses, and various types of spectroscopy, including Raman analysis, to contribute to a thorough approach to research. Through a practical and intuitive step-by-step approach, the authors explain sample preparation, measurements, and the interpretation and analysis of data related to thermodynamics and mineral-fluid equilibria.* Features working examples in each chapter with step-by-step explanations and calculations* Broad range of case studies aid the analytical and experimental data* Includes appendices with equations of state, stable isotope fractionation equations, and Raman identification tables that aid in identification of fluid inclusion minerals* Authored by a team of expert scientists who have more than 60 years of related experience in the field and classroom combined
    Type of Medium: Monograph available for loan
    Pages: XIII, 489 S. : Ill., Tab. graph. Darst.
    ISBN: 9780128032411
    Classification:
    Geochemistry
    Location: Upper compact magazine
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  • 13
    Call number: M 15.0087
    Type of Medium: Monograph available for loan
    Pages: 374 S.
    Classification:
    Geophysics
    Location: Upper compact magazine
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