搜索结果: 1-10 共查到“地球化学 Monitoring”相关记录10条 . 查询时间(0.136 秒)
Monitoring of fumarole discharge and CO2 soil degassing in the Azores: contribution to volcanic surveillance and public health risk assessment
volcanology geochemistry soil degassing monitoring risk
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2015/9/10
Fluid geochemistry monitoring in the Azores involves the regular sampling and analysis of gas discharges from
fumaroles and measurements of CO2 diffuse soil gas emissions. Main degassing areas under ...
Long-term geochemical monitoring and extensive/compressive phenomena: case study of the Umbria Region (Central Apennines, Italy)
geochemical monitoring seismicity helium thermal waters
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2015/9/10
Long-term geochemical monitoring performed in the seismic area of the Umbria-Marche region of Italy (i.e. Central
Apennines) has allowed us to create a model of the circulation of fluids and interpre...
Geochemical and geophysical monitoring of thermal waters in Sloveniain relation to seismic activity
radon electrical conductivity ions thermal springs earthquakes
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2015/9/10
Pre-seismic related strains in the Earth s crust are the main cause of the observed geophysical and geochemical
anomalies in ground waters preceding an earthquake. Posoc?je Region, situated along the...
The Porretta thermal springs (Northern Apennines): seismogenic structures and long-term geochemical monitoring
Fluids Tectonic lines monitoring geochemistry
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2015/9/2
The thermal springs of Porretta are located on a seismically active area of the Northern Apennines. In 19th Century
a chemist identified anomalous behaviour of the thermal waters in concomitance with...
Dissolved CO2 in natural waters: development of an automated monitoring system and first application to Stromboli volcano (Italy)
Gas–water interaction Dissolved CO2 Fluid geochemistry Geochemical monitoring
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2015/8/27
The study of geochemical parameters applied to natural systems has provided improved knowledge of geochemical mechanisms of gas/rock dissolution in natural waters that are linked to gas–water and/or w...
Geochemical monitoring of volcanic lakes. A generalized box model for active crater lakes
Geochemical monitoring Active crater lakes Box model Mass budget Isotope and chemical budget
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2015/8/27
In the past, variations in the chemical contents (SO42−, Cl−, cations) of crater lake water have not systematically demonstrated any relationships with eruptive activity. Intensive paramet...
Monitoring active volcanoes: The geochemical approach
Active volcanoes geochemistry volcanic activity lava dissolving volatiles
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2015/8/27
The geochemical surveillance of an active volcano aims to recognize possible signals that are related to changes in volcanic activity. Indeed, as a consequence of the magma rising inside the volcanic ...
Monitoring of temporal and spatial variations in fumarole helium and carbon dioxide characteristics at Poás and Turrialba volcanoes, Costa Rica (2001-2009)
helium isotopes carbon isotopes Central America Costa Rica volcano monitoring
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2017/8/9
We report results of a 9-year monitoring program that took place from 2001 to 2009 of the helium and carbon isotope (3He/4He, δ13C) and relative abundances ratios (CO2/3He) of fumarole sites at Poás a...
Isotopic fractionation of SO2 and H2S gases during the absorption by KOH solution, with the application to volcanic gas monitoring at Miyakejima Island, Japan
volcanic gas Miyakejima isotopic fractionation diffusion sulfur
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2017/8/10
The chemical trap method has been used for monitoring of volcanic activity. In this method, a strong alkaline water solution was exposed in ambient air. Acidic gases, such as SO2, H2S, HCl and HF are ...
Correction of H3 + Contributions in Hydrogen Isotope Ratio Monitoring Mass Spectrometry
Hydrogen Isotope Ratio Monitoring Mass Correction
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2014/4/8
Two fundamentally different approaches, termed “pointwise” and “peakwise,” are currently used to correct
hydrogen isotope ratio monitoring data for the presence
of H3
+
ion contributions. Consider...