Note: Cover -- Half Title -- Title -- Copyright -- Original Title -- Original Copyright -- Contents -- Preface -- Dedication -- List of contributors -- 1 Monitoring active volcanoes - an introduction -- 1.1 Why monitor volcanoes? -- 1.2 Recent advances in ground-based volcano surveillance -- 1.3 Airborne and satellite monitoring -- 1.4 Monitoring strategies -- 1.5 Predicting volcanic eruptions -- 1.6 Monitoring and volcanic hazard mitigation -- 1.7 Safe surveillance of active volcanoes -- References -- 2 Data acquisition and telemetry -- 2.1 Introduction -- 2.2 Principles of data acquisition and transmission -- 2.3 Examples of acquisition and transmission systems -- 2.4 Conclusions -- Acknowledgements -- References -- 3 Seismic monitoring at active volcanoes -- 3.1 Introduction -- 3.2 Locating seismic events: some constraints -- 3.3 The seismic source -- 3.4 The role of instrumentation: past, present and future -- Acknowledgements -- References -- 4 Real-time ground deformation monitoring -- 4.1 Introduction -- 4.2 Real-time tiltmeter monitoring at active volcanoes -- 4.3 Tiltmeter and aedm monitoring at Piton de la Fournaise -- Acknowledgements -- References -- 5 Ground deformation surveying of active volcanoes -- 5.1 Introduction -- 5.2 Measuring horizontal deformation -- 5.3 Measuring vertical deformation -- 5.4 Dry tilt -- 5.5 Benchmarks -- 5.6 Designing a deformation network -- 5.7 Analysis -- 5.8 Conclusions -- References -- 6 GPS - monitoring volcanic deformation from space -- 6.1 Introduction -- 6.2 Some basic concepts -- 6.3 Biases and errors -- 6.4 GPS operating equipment and survey design -- 6.5 Data processing -- 6.6 Use of continuous gps measurements for ground deformation monitoring -- 6.7 Case study: GPS surveys at Mount Etna -- 6.8 Concluding remarks -- References -- 7 Infrared thermal monitoring -- 7.1 Introduction. , 7.2 What can thermal measurements tell us about a volcano? -- 7.3 What is remote sensing? -- 7.4 Satellite data -- 7.5 The physics of thermal remote sensing -- 7.6 Case studies of remote sensing of high-temperature thermal anomalies -- 7.7 Case studies of remote sensing of low-temperature thermal anomalies -- 7.8 Ground-based infrared measurements of hot phenomena -- 7.9 Satellite data: where to get them, what to ask for, and what they cost -- 7.10 Conclusions -- Acknowledgements -- References -- Appendix: list of acronyms and related terms -- 8 Microgravity monitoring -- 8.1 Introduction -- 8.2 Background -- 8.3 Technique -- 8.4 Interpretation -- 8.5 Applications -- 8.6 Summary and conclusions -- Acknowledgements -- References -- 9 Geoelectrical methods in volcano monitoring -- 9.1 Introduction -- 9.2 Direct-current resistivity methods -- 9.3 Electromagnetic methods -- 9.4 Self-potential methods -- 9.5 Conclusion -- Acknowledgements -- References -- 10 Geomagnetic surveying methods -- 10.1 Introduction -- 10.2 Magnetic fields -- 10.3 Method -- 10.4 Case studies -- 10.5 Conclusion -- References -- 11 Remote sensing spectroscopy of volcanic plumes and clouds -- 11.1 Introduction -- 11.2 COSPEC -- 11.3 Activity and SO2 emission -- 11.4 Improvements in COSPEC methodology -- 11.5 Remote sensing of other gases -- 11.6 Satellite methods -- References -- 12 Monitoring fluids and gases at active volcanoes -- 12.1 Introduction -- 12.2 Sampling and analytical techniques -- 12.3 Interpretation of chemical and isotope data at Campi Flegrei caldera -- 12.4 Geochemical monitoring at Vulcano (Aeolian Islands) -- 12.5 Thermal waters -- 12.6 Soil gases -- 12.7 Conclusion -- References -- 13 Forecasting the behaviour of lava flows -- 13.1 Introduction -- 13.2 Basic features -- 13.3 Flow surfaces -- 13.4 Emplacement regimes -- 13.5 Aa flow emplacement. , 13.6 Comparison of lengthening models -- 13.7 Hazard assessment and future requirements -- Acknowledgements -- References -- 14 The role of monitoring in forecasting volcanic events -- 14.1 Introduction and historical perspective -- 14.2 Volcano monitoring and forecasts -- 14.3 Selected case studies -- 14.4 Lessons for the future -- Acknowledgements -- References -- 15 Prospects for volcano surveillance -- 15.1 An approach for the 21st century -- 15.2 Future technological developments -- 15.3 Conclusion -- References -- APPENDIX Safety measures for volcanologists -- Index.

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