نتایج جستجو برای: volcanic areas

تعداد نتایج: 414965  

2005
E. Iglesias A. Razo

Petrophysical properties of geothermal reservoir rocks are valuable information for many activities, including reservoir characterization, modelling, field test analysis and planning of exploitation techniques. Petrophysical data of rocks from geothermal reservoirs located in volcanic areas is in general very scarce. In particular, no petrophysical data of rocks from the Los Azufres geothermal ...

2008
Ana Navas Jerónimo López-Martínez José Casas Javier Machín Juan José Durán Enrique Serrano José-Antonio Cuchi Sandra Mink

Soils in ice-free areas of Livingston Island have been forming since the last deglaciation in a maritime warmer climate that is more humid than in interior Antarctica. A soil survey was carried out on Byers and Hurd peninsulas to characterize the soils and investigate the processes. Soils were sampled on two different substrates, mudstones and volcanic rocks in Byers Peninsula

2008

Volcano monitoring uses knowledge of volcanic processes and extensive data gathering to analyze areas of volcanic activity. The main goal is to learn the nature of the volcano, the magmatic processes occurring, and the likelihood of a future eruption. Volcano monitoring centers around three aspects of volcanic processes: ground deformation, seismic activity, and gas emissions. These techniques ...

2008
JULIEN EMILE-GEAY RICHARD SEAGER MARK A. CANE EDWARD R. COOK GERALD H. HAUG

The controversial claim that El Niño events might be partially caused by radiative forcing due to volcanic aerosols is reassessed. Building on the work of Mann et al., estimates of volcanic forcing over the past millennium and a climate model of intermediate complexity are used to draw a diagram of El Niño likelihood as a function of the intensity of volcanic forcing. It is shown that in the co...

Journal: :Journal of the Japan society of photogrammetry and remote sensing 1990

رنجبر, حجت اله , شهریاری, هادی ,

The study area is located in the Dehaj-Sarduyeh belt in Kerman province. This belt forms the south eastern part of the Central Iranian Volcanic Belt. Enhanced Thematic Mapper plus (ETM+) and Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data have been used for this study. Different image processing techniques such as false color composite, band ratioing and princip...

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