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Relationship between geomagnetic classes’ activity phases and their occurrence during the sunspot cycle
Classes of geomagnetic activity Phases of geomagnetic classes Sunspot cycle
2015/8/28
Four well known geomagnetic classes of activity such as quiet days activity, fluctuating activity, recurrent activity and shock activity time occurrences have been determined not only by using time pr...
Record of Early Toarcian carbon cycle perturbations in a nearshore environment: the Bascharage section (easternmost Paris Basin)
Black shale deposit early Jurassic the negative carbon isotope
2015/1/6
In order to understand the significance of the worldwide deposition of black shale facies in the Early Toarcian (~ 183 Ma), considerable attention has been drawn to this Early Jurassic sub-stage over ...
Phanerozoic environments of black shale deposition and the Wilson Cycle
Phanerozoic environments the Wilson Cycle
2015/1/4
The spatial and temporal distribution of black
shales is related to the development of environments in which
they accumulate and to a propitious combination of environmental variables.
Phanerozoic environments of black shale deposition and the Wilson Cycle
Phanerozoic environments black shale deposition the Wilson Cycle
2015/1/4
The spatial and temporal distribution of black shales is related to the development of environments in which they accumulate and to a propitious combination of environmental variables. In recent years...
Shift of effective lightning areas during pre to post period of solar cycle minimum of 2008-2009 as determined from Schumann resonance studies at Agra, India
Schumann resonance Thunderstorm activity Effective lightning areas
2015/8/18
Employing a set of 3-component search coil magnetometer, Schumann resonance studies have been in progress at Agra (Geograph. lat. 27.2°N, long. 78°E), India since 01 April, 2007. We have analysed the ...
Evidence for paleolakes in Erythraea Fossa, Mars: Implications for an ancient hydrological cycle
Mars Mars, Surface Mars, Climate Geological processes
2014/4/8
There is now widespread agreement that the surface of Mars underwent some degree of fluvial modification,but there is not yet full understanding of its surface hydrological cycle and the nature of sta...
Spectral‐element simulations of long‐term fault slip: Effect of low‐rigidity layers on earthquake‐cycle dynamics
Spectral‐element simulations of long‐term fault slip low‐rigidity layers earthquake‐cycle dynamics
2014/4/8
We develop a spectral element method for the simulation of long‐term histories of spontaneous seismic and aseismic slip on faults subjected to tectonic loading.
Our approach reproduces all stages of ...
Carbon-cycle feedback smaller, but still positive（图）
Carbon-cycle global temperature the biosphere’s ability
2010/1/28
Researchers in Switzerland and Germany have analysed data stretching back over 1000 years to get the best estimate yet of how changes in global temperature affect the biosphere’s ability to soak up ca...
A simple model for the earthquake cycle combining self-organized complexity with critical point behavior
earthquake cycle self-organized complexity critical point behavior
2009/11/12
We have studied a hybrid model combining the forest-fire model with the site-percolation model in order to better understand the earthquake cycle. We consider a square array of sites. At each time ste...
Geodetic displacements and aftershocks following the 2001 Mw= 8.4 Peru earthquake: Implications for the mechanics of the earthquake cycle along subduction zones
Geodetic displacements aftershocks following 2001 Bmw= 8.4 Peru earthquake earthquake cycle along subduction zones
2014/4/15
We analyzed aftershocks and postseismic deformation recorded by the continuous GPS station AREQ following theMw= 8.4, 23 June 2001 Peru earthquake. This station moved by 50 cm trenchward, in a N235E ...
MOUNTAIN BUILDING, EROSION, AND THE SEISMIC CYCLE IN THE NEPAL HIMALAYA
MOUNTAIN BUILDING EROSION SEISMIC CYCLE THE NEPAL HIMALAYA
2014/4/15
The Himalaya is the most impressive example on earth of an active collisional orogen. It combines rapid crustal shortening and thickening,intense denudation driven by the monsoon climate, and frequent...
Horizontal coseismic deformation of the 1999 Chi-Chi earthquake measured from SPOT satellite images: Implications for the seismic cycle along the western foothills of central Taiwan
earthquake Chi-Chi Taiwan coseismic imagery Okada
2014/4/15
The 1999 Chi-Chi earthquake,Mw= 7.6, broke a major thrust fault along the western foothills of the Central Range of Taiwan. We have measured the horizontal coseismic displacement field by correlating ...
We discuss the seismic cycle in the Himalayas and its relation to mountain building on the basis of geodetic, seismological and geological data collected in the Himalaya of Nepal. On average over seve...