Hazards and monitoring of volcanic activity. 2, Seismology, deformation and remote sensing / coordinated by Jean-François Lénat.

Format:

Book

Contributor:

Lénat, Jean-François, editor.

Wiley InterScience (Online service)

Series:

Sciences: geoscience: lithosphere-asthenosphere interactions

Language:

English

Subjects (All):

Volcanoes--Monitoring.

Volcanoes.

Volcanoes--Remote sensing.

Volcanic hazard analysis.

Seismology.

Physical Description:

1 online resource (332 pages)

Edition:

1ST ED.

Other Title:

Seismology, deformation and remote sensing

Place of Publication:

London : ISTE Ltd ; Hoboken, NJ : John Wiley & Sons, Inc., 2022.

Contents:

Cover

Half-Title Page

Title Page

Copyright Page

Contents

Foreword

Preface

List of Abbreviations

Chapter 1. Seismic Monitoring of Volcanoes and Eruption Forecasting

1.1. Introduction

1.2. Instrumentation and seismic networks

1.2.1. Measurement systems

1.2.2. Sensors

1.2.3. Monitoring network

1.3. Types of seismic-volcanic events

1.3.1. Introduction

1.3.2. Volcano-tectonic earthquakes (VT, A-type, high-frequency, HF)

1.3.3. Long-period earthquakes (LP, B-type, low-frequency, LF)

1.3.4. Hybrid earthquakes (C-type, multiphase, MP)

1.3.5. Explosions

1.3.6. Very long-period (VLP or VLF) and ultra-long-period (ULP) events

1.3.7. Volcanic tremor

1.3.8. Surficial phenomena

1.3.9. Distortions in seismic signals

1.4. Volcanic seismicity

1.4.1. Main characteristics

1.4.2. Pre-eruptive seismic activity, precursors

1.4.3. Generic models of seismic-volcanic swarms and pre-eruptive seismicity

1.5. Processing of seismic-volcanic signals

1.5.1. Introduction

1.5.2. Seismograms

1.5.3. Event detection

1.5.4. RSAM, RSEM, SSAM

1.5.5. Spectral analysis

1.5.6. Polarization

1.5.7. Correlation

1.5.8. Determination of the Base Level Noise Seismic Spectrum

1.5.9. Automatic classification

1.6. Network data analysis

1.6.1. Determination of velocity models

1.6.2. Location of seismic sources

1.6.3. Seismic moment tensor inversion

1.6.4. Array analysis

1.6.5. Coda wave interferometry

1.7. Forecasting eruptions

1.7.1. Introduction

1.7.2. Probabilistic forecasting

1.7.3. Short-term forecasting

1.8. The FFM method

1.8.1. Alert systems and volcanic crisis management

1.9. Case studies

1.9.1. Introduction

1.9.2. Kelud volcano, Java, Indonesia

1.9.3. The "centennial" eruption of Merapi volcano, 2010

1.9.4. Piton de la Fournaise.

1.9.5. Phreatic eruptions

1.9.6. Discussion

1.10. Conclusion

1.11. References

Chapter 2. Monitoring Volcano Deformation

2.1. Introduction

2.2. Phenomena at the origin of deformation

2.2.1. Deformation related to the inflation-deflation of magmatic reservoirs

2.2.2. Deformation related to magma ascent inside the conduits

2.2.3. Deformation of hydrothermal origin

2.2.4. Flank destabilization related to endogenous growth

2.2.5. Other sources of deformation

2.3. Deformation measurement techniques

2.3.1. Leveling measurements

2.3.2. Tilt measurements

2.3.3. Extensometry

2.3.4. Electronic Distance Measurement, trilateration

2.3.5. Volumetric strainmeters

2.3.6. Satellite positioning system, GNSS

2.3.7. InSAR

2.3.8. Stereophotogrammetry

2.3.9. Measurements at sea

2.4. Adequacy between deformation measurements and monitoring

2.5. Contributions and limitations of deformation modeling to the study of volcanoes

2.5.1. Reservoir models

2.5.2. Conduit models

2.5.3. Models without a priori assumptions on source shape

2.6. Perspectives: from operational monitoring to physical and predictive models

2.7. References

Chapter 3. Volcano Monitoring by Remote Sensing

3.1. Introduction

3.2. Basic concepts in remote sensing

3.2.1. Passive and active sensors

3.2.2. Geostationary and Low Earth Orbit platforms

3.2.3. Electromagnetic spectrum

3.2.4. Terrestrial infrared radiation

3.2.5. Spectral resolution

3.3. Main available operating systems

3.4. Monitoring volcanic ash plumes

3.4.1. Methodology

3.4.2. List of main available sensors

3.4.3. Case studies: Etna and Eyjafjallajökull

3.5. Monitoring volcanic SO2 plumes

3.5.1. Methodology

3.5.2. Operational issues

3.5.3. Case studies: Holuhraun/Bárðarbunga

3.6. Lava flow monitoring.

3.6.1. Introduction

3.6.2. Methodology

3.6.3. Case studies: Piton de la Fournaise, 2015

3.7. Future developments

Chapter 4. Volcano Remote Sensing with Ground-Based Techniques

4.1. Introduction

4.2. Basic concepts in ground-based remote sensing relying on electromagnetic waves

4.2.1. Electromagnetic spectrum

4.2.2. Propagation of electromagnetic waves

4.2.3. Scattering and absorption

4.3. Ground remote sensing for the detection of volcanic gas

4.3.1. Introduction

4.3.2. Why become interested in volcanic degassing?

4.3.3. Measurement methods

4.3.4. Future developments

4.3.5. Conclusion

4.4. Ground-based IR remote sensing

4.4.1. History and development of ground-based thermal remote sensing instruments

4.4.2. Examples of thermal cameras used in volcanology

4.4.3. Physical principles

4.4.4. Characteristics and practical considerations for using thermal imaging instruments

4.5. Other volcano remote sensing methods with ground-based techniques

4.5.1. Introduction

4.5.2. The importance of monitoring ash plumes

4.5.3. Radars, operational tools

4.5.4. Monitoring proximal ash fallout: disdrometers

4.5.5. Monitoring of volcanic storms

4.5.6. Atmospheric lidars to probe low concentration ash clouds

4.5.7. Plume detection by GNSS networks

4.5.8. Monitoring topographic changes

4.5.9. Monitoring underwater volcanic activity by means of acoustic methods

4.6. Future developments

4.7. References

List of Authors

Index

EULA.

Notes:

Includes bibliographical references and index.

Electronic reproduction. Hoboken, N.J. Available via World Wide Web.

Description based on online resource; title from digital title page (viewed on October 19, 2022).

Other Format:

Print version: Lénat, Jean-François Hazards and Monitoring of Volcanic Activity 2

ISBN:

1394169612

9781394169610

1394169590

9781394169597

Publisher Number:

99992153235

Access Restriction:

Restricted for use by site license.