搜索结果: 1-13 共查到“地球物理学 Volcanoes”相关记录13条 . 查询时间(0.068 秒)
International Workshop on Understanding Earthquakes and Volcanoes from Lithosphere to Space
large earthquakes volcanic eruptions
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2016/7/27
Electromagnetic Studies of Earthquakes and Volcanoes (EMSEV) is an inter-association working group of IUGG. It focuses on the observation and understanding of the various kinds of electromagnetic phen...
A repeatable seismic source for tomography at volcanoes
Mt. Merapi tomography active seismics
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2015/10/8
One major problem associated with the interpretation of seismic signals on active volcanoes is the lack of knowledge about the internal structure of the volcano. Assuming a 1D or a homogeneous instead...
Novel laser-based techniques for monitoring of volcanoes
diode laser absorption spectroscopy optical fiber
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2015/9/10
An overview of novel laser techniques suitable for volcanic monitoring, based on different kinds of infrared laser
sources, is presented. Their main advantages and drawbacks are discussed focusing on...
A model of sulphur solubility for hydrous mafic melts: application to the determination of magmatic fluid compositions of Italian volcanoes
sulphur hydrous basalts volcanic gas
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2015/9/10
We present an empirical model of sulphur solubility that allows us to calculate f S2 if P, T, fO2 and the melt composition,
including H2O and S, are known. The model is calibrated against three main ...
Mud volcanoes and microseepage: the forgotten geophysical components of atmospheric methane budget
methane lithosphere degassing mudvolcanoes greenhouse gas geodynamics
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2015/9/10
Mud volcanoes and microseepage are two important natural sources of atmospheric methane, controlled by neotectonics
and seismicity. Petroleum and gas reservoirs are the deep sources, and faults and f...
Mud volcanoes and methane seeps in Romania: main features and gas flux
methane mud volcanoes Romania
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2015/9/2
Romania is one of the European countries with the most vigorous natural seepage of methane, uprising from
pressurised natural gas and petroleum reservoirs through deep faults. The largest seepage zon...
Eruption patterns of parasitic volcanoes
Parasitic vents Parasitic eruptions Shear fracture model Twin parasitic vents Various patterns of parasitic eruptions
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2015/8/14
Eruption patterns of parasitic volcanoes are discussed in order to study their correlation to the activities of their parental polygenetic volcanoes. The distribution density of parasitic vents on pol...
A re-evaluation of the Italian historical geomagnetic catalogue: implications for paleomagnetic dating at active Italian volcanoes
the Italian historical geomagnetic catalogue paleomagnetic
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2014/12/31
Paleomagnetism is proving to represent one of the
most powerful dating tools of volcanics emplaced in Italy
during the last few centuries/millennia. This method requires
that valuable proxies of th...
Annex 1 to:Passive Degassing at Nyiragongo (D.R. Congo) and Etna (Italy) Volcanoes
Passive Degassing Nyiragongo (D.R. Congo) Etna (Italy) Volcanoes
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2015/8/18
The technique for the assessment of the metal output from volcanoes was based on direct (in- plume) collection of the plume on filter substrates. Gas and aerosols in the volcanic plume have been sampl...
Passive degassing at Nyiragongo (D.R. Congo) and Etna (Italy) volcanoes
Trace elements volcanic emissions rainwater biomonitoring
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2015/8/18
Volcanoes are well known as an impressive large natural source of trace elements into the troposphere. Etna (Italy) and Nyiragongo (D.R. Congo) are two stratovolcanoes located in different geological ...
Overview on the ‘Atmospheric Emissions from Volcanoes’ Special Issue
Atmospheric Emissions Volcanoes Special Issue
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2015/8/18
The session ‘Atmospheric Emissions from Volcanoes’ formed part of the 2014 General Assembly of the Europe-an Geosciences Union (EGU), held in Vienna from 27 April to 2 May. This special issue presents...
Decoupling of ground level pressures observed in Italian volcanoes: are they driven by space weather geo-effectiveness?
Atmospheric pressure Space weather Sun storm Volcanoes
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2015/8/17
Investigations on correlation drops between near-ground atmospheric pressures measured at sea level and at higher altitudes on Italian volcanoes have been carried out. We looked for perturbations of t...
Challenges for forecasting based on accelerating rates of earthquakes at volcanoes and laboratory analogues
Time series analysis Creep and deformation Volcano seismology Statistical seismology
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2014/5/19
‘Mean-field’ models have been proposed as falsifiable hypotheses for the acceleration in earthquake rate and other geophysical parameters prior to laboratory rock failure and volcanic eruptions. Impor...