نتایج جستجو برای: dusts and gases of volcanic eruptions

تعداد نتایج: 24067144  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

Journal: :Science advances 2015
Seth D Burgess Samuel A Bowring

The end-Permian mass extinction was the most severe in the Phanerozoic, extinguishing more than 90% of marine and 75% of terrestrial species in a maximum of 61 ± 48 ky. Because of broad temporal coincidence between the biotic crisis and one of the most voluminous continental volcanic eruptions since the origin of animals, the Siberian Traps large igneous province (LIP), a causal connection has ...

2014
Lucia Pappalardo Luca D'Auria Andrea Cavallo Stefano Fiore

Abrupt transitions in style and intensity are common during volcanic eruptions, with an immediate impact on the surrounding territory and its population. Defining the factors trigger such sudden shifts in the eruptive behavior as well as developing methods to predict such changes during volcanic crises are crucial goals in volcanology. In our research, the combined investigation of both petrolo...

2013
Benjamin R. Jordan

Third Nephi 8 preserves a written account of a natural disaster at the time of Christ’s death that many assume to have been caused by volcanic activity. In a modernday science quest, the author examines research done on glacial ice cores from Greenland and Antarctica. Ice-core records can reveal volcanic gases and ashes that are carried throughout the world—the gases are detected by measuring t...

2001
Alan Robock John S Perry Ted Munn

2006
R. U. Bryson R. A. Bryson A. Ruter

A calibrated radiocarbon database of late Quaternary volcanic eruptions R. U. Bryson, R. A. Bryson, and A. Ruter National Park Service, Mojave National Preserve, 2701 Barstow Road, Barstow, CA 92311, USA Center for Climatic Research, University of Wisconsin-Madison, 1225 W. Dayton St., Madison, WI 53706, USA Received: 24 May 2006 – Accepted: 17 July 2006 – Published: 25 July 2006 Correspondence...

2013
Bernadette M Longo Anthony A Longo

Earth is no stranger to volcanism. Since proto-Earth and crustal formation, volcanoes have provided pathways for degassing and cooling of our planet’s interior. Volcanism played an important role in the formation of the early atmosphere, oceans and continents, and was likely a necessary component for the development of life. Throughout our species brief history, innumerable volcanoes have erupt...

2015
M. Fujiwara T. Hibino S. K. Mehta J. Anstey

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