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Opis

Chapter 1 Introduction to Lightning 1.1 Lightning and Thunderclouds 1.2 The Stepped Leader 1.3 The Return Stroke 1.4 The Dart Leader 1.5 More on Strokes and Flashes 1.6 Intracloud Discharges 1.7 Strokes Bringing Positive Charge to Earth 1.8 Strokes with Upward-developing Leaders 1.9 Other Lightning Forms References Chapter 2 Lightning Photography 2.1 Early Studies 2.2 The Boys Camera 2.3 The South African Work 2.3.1 Introduction 2.3.2 The stepped leader 2.3.3 Dart and dart-stepped leaders 2.3.4 First return strokes 2.3.5 Subsequent return strokes 2.3.6 Branch components and M components 2.3.7 Miscellaneous 2.4 Lightning Photography in the United States 2.4.1 Introduction 2.4.2 The Empire State Building study 2.4.3 The Pittsfield study 2.5 Recent Studies 2.5.1 Introduction 2.5.2 Lightning photography in Arizona 2.5.3 Lightning photography in New Mexico 2.5.4 Lightning photography in Switzerland References Chapter 3 Electric and Magnetic Field Measurements 3.1 Introduction 3.2 Electrostatics 3.3 Magnetostatics 3.4 Electromagnetlcs 3.5 Field-measuring Apparatus 3.5.1 Electronic measurement of electric field intensity 3.5.2 The field mill or electrostatic fluxmeter 3.5.3 Miscellaneous electric field measuring techniques 3.5.4 Magnetic field measurements 3.6 Early Electrostatic Field Measurements: The Electric-dipole Cloud Model 3.7 The Electrostatic Field Change Due to Cloud-to-Ground Lightning 3.7.1 Introduction 3.7.2 The stepped leader 3.7.3 The dart leader 3.7.4 The return stroke 3.7.5 Processes occurring between strokes 3.7.6 Discharges lowering positive charge to earth 3.8 The Electrostatic Field Change Due to Cloud Discharges 3.9 The Magnetostatic Fields of Lightning 3.10 The Radiation Fields of Lightning References Chapter 4 Current Measurements 4.1 Introduction 4.2 Measurement Techniques 4.2.1 Instruments using Lichtenberg figures 4.2.2 Instruments using magnetizable materials 4.2.3 The noninductive shunt and oscilloscope 4.2.4 The loop antenna and oscilloscope 4.2.5 Miscellaneous measurement techniques 4.3 Current in Cloud-to-ground Lightning Discharges 4.4 Discharges Initiated by Upward-moving Leaders. 4.5 Other Current Measurements References Chapter 5 Lightning Spectroscopy 5.1 Early History 5.2 Experimental Techniques 5.2.1 The slit spectrometer 5.2.2 The slitless spectrometer 5.2.3 Quantitative spectroscopic measurements from photographic film 5.2.4 Spectroscopy utilizing photoelectric detectors 5.3 Theory 5.4 Lightning Spectroscopy: 1940-1960 5.5 Lightning Spectroscopy after 1960 5.5.1 General 5.5.2 Return-stroke properties References Chapter 6 Thunder 6.1 Early History 6.2 The Experimental Data 6.3 Ideas and Theories 6.3.1 The shock wave 6.3.2 The sound wave References Chapter 7 Theory: The Discharge Processes 7.1 Introduction 7.2 Discharge Mechanisms 7.2.1 Introduction 7.2.2 Discharge phenomena in the absence of appreciable space charge 7.2.3 Discharge phenomena in the presence of space charge 7.3 Some Rough Calculations 7.3.1 Some electrostatic relations 7.3.2 Cloud-charge dimensions and leader radius 7.3.3 The cloud-to-ground potential difference and energy available for lightning 7.4 Stepped-leader Theories 7.4.1 The experimental data 7.4.2 The two original theories of the stepped leader 7.4.3 Other stepped-leader theories 7.4.4 Stepped-leader initiation 7.5 Dart-leader Theories 7.6 Return-stroke Theories 7.7 The Lightning Channel between Strokes References Appendix A Some Suggestions for Future Lightning Research Appendix B Bead Lightning Appendix C Ball Lightning Appendix D Recent Developments Appendix E Review of Natural Lightning: Experimental Data and Modeling Name Index Subject Index

Szczegóły książki

Kategoria Książki po angielsku Earth sciences, geography, environment, planning Earth sciences Meteorology & climatology

• Pełny tytuł: Lightning
• Autor: Martin A. Uman
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 320
• EAN: 9780486645759
• ISBN: 0486645754
• ID: 02569549
• Wydawca: Dover Publications Inc.
• Waga: 336 g
• Wymiary: 209 × 141 × 15 mm
• Data wydania: 28. March 2003

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