Volcanism [Libro electrónico] / autor: Hans-Ulrich Schmincke

Incluye bibliografía e índice: páginas 299-310

1. Introduction.. 2. Plate tectonics.. 3. Magma.. 4. Rheology, magmatic gases, bubbles and triggering of eruptions.. 5. Mid-ocean ridges.. 6. Seamounts and volcanic islands.. 7. Continental intraplate volcanoes.. 8. Subduction zone volcanoes.. 9. Volcanic edifices and volcanic deposits.. 10. Strombolian, Hawaiian and plinian eruptions and the mount St. Helens eruption 1980.. 11. Pyroclastic flows, block and ash flows, surges and the laacher see eruption.. 12. Fire and water.. 13. Volcanic hazards, volcanic catastrophes, and disaster mitigation.. 14. Volcanoes and climate.. 15. Man and volcanoes: the benefits.. Index

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Volcanic eruptions are the clear and dramatic expression of dynamic processes going on in planet Earth. The author, one of the most profound specialists in the field of volcanology, explains in a concise and easy to understand manner the basics and most recent findings in the field of volcanology. Based on plate tectonics and illustrated with more than 300 color figures, the book offers insights into the generation of magmas and the occurrence and origin of volcanoes. The analysis and description of volcanic structures is followed by process-oriented chapters discussing the role of magmatic gases, as well as explosive mechanisms and sedimentation of volcanic material. The final chapters deal with the forecast of eruptions and their influence on climate. Students and scientists from a broad range of fields will find this book an interesting and attractive source of information. From the reviews: "The science of volcanology has made tremendous progress over the past 40 years, primarily because of technological advances and because each tragic eruption has led researchers to recognize the processes behind such serious hazards. Yet scientists are still learning a great deal because of photographs that either capture those processes in action or show us the critical factors left behind in the rock record. Volcanism by Hans-Ulrich Schmincke has photos of the best quality I have ever seen in a text on the subject. I found myself wishing that I had had the photo of Nicaragua's Masaya volcano, which was the subject of my dissertation, but it was Schmincke who was able to include it in his book. In addition, the schematic figures in their wide range of styles are clear, colorful, and simplified to emphasize the most important factors while including all significant features. The book's paper is of such high quality that at times I felt I had turned two pages rather than one. eng

I have really enjoyed reading and rereading Schmincke's book. It fills a great gap in texts available for teaching any basic course in volcanology. No other book I know of has the depth and breadth of Volcanism. I was disappointed that the text did not arrive on my desk until last August, when it was too late for me to choose it for my course in volcanology. I am also disappointed about another fact-the book's binding is already becoming tattered because of my intense use of it! Schmincke is a volcanologist who, in 1967, first published papers on sedimentary rocks of volcanic origin, the direction traveled by lava flows millions of years ago, and the structures preserved in explosive ignimbrites, or pumice-flow deposits, that reveal important details of their formation. Since then, his studies in Germany's Laacher See, the Canary Islands, the Troodos Ophiolite of Cyprus, and many other regions have forged great fundamental advances. Such contributions have been recognized with his receipt of several international awards and clearly give him a strong base for writing the book. However, as a scientist who has focused on the challenges of monitoring the very diverse activities of volcanoes, I think that the text's overriding emphasis on the rock record has its cost. The group of scientists who are struggling with their goals to reduce or mitigate the hazards of the eruptions of tomorrow need to learn more about the options of technology, instrumentation, and methodology that are currently available. More than 500 million people live near the more than 1500 known active volcanoes and are constantly facing serious threats of eruptions. An extremely energetic earthquake caused the horrific tsunamis of 2004. However, the tsunamis of 1792, 1815, and 1883, which were caused by the eruptions of Japan's Unzen volcano and Indonesia's Tambora and Krakatau volcanoes, each took a similar toll. eng

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