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Source signature processing in deep water, Gulf of Mexico: comparison between deterministic deconvolution and phase conjugation
oversampling source signature deconvolution
2015/9/29
The Center for Marine Resources and Environmental Technology has been developing a new method to improve the resolution of high-resolution seismic profiling. To achieve this the source signature is re...
Geomagnetic storms and the occurrence of phase slips in the reception of GPS signals
s phase slips geomagnetic disturbances total electron content
2015/9/25
We have investigated a dependence of the relative density of GPS phase slips on the geomagnetic disturbance level. The study is based on using Internet-available selected data from the global GPS netw...
Vapour-phase crystallisation of silica from SiF4-bearing volcanic gases
SiF4 vapour crystallisation silica degassing
2015/9/10
Thermodynamic modelling of magmatic gases shows that SiF4 may be an important F-bearing species at the high
pressures typical of magma reservoirs. Upon decompression during degassing, SiF4 will react...
A teleseismic finite-fault rupture model for the August 17,1999,304;zmit earthquake (Mw = 7.6): implications for the seismic nucleation phase
North Anatolian Fault 1999 İ zmit earthquake Rupture process Slip distribution Rupture nucleation
2015/8/24
A linear finite-fault inversion procedure is applied to teleseismically recorded broadband P and SH velocity waveforms of the August 17, 1999, İzmit earthquake, to derive spatial and temporal dis...
Crust and upper mantle velocity structure of the northwestern Indian Peninsular Shield from inter-station phase velocities of Rayleigh and Love waves
mantle velocity Indian Peninsular Shield
2015/8/17
We measure the inter-station Rayleigh and Love wave phase velocities
across the northwestern Indian Peninsular shield (NW-IP) through crosscorrelation
and invert these velocities to evaluate the und...
A summary of hazard datasets and guidelines supported by the Global Earthquake Model during the first implementation phase
Global datasets Seismic hazard Global earthquake model
2015/8/17
The Global Earthquake Model (GEM) initiative promotes open, transparent and collaborative science aimed at the assessment of earthquake risk and its reduction worldwide. During the first implementatio...
Crust and upper mantle velocity structure of the northwestern Indian Peninsular Shield from inter-station phase velocities of Rayleigh and Love waves
Cratons Surface waves Lithosphere-Asthenosphere boundary Indian Peninsular shield
2015/8/14
We measure the inter-station Rayleigh and Love wave phase velocities across the northwestern Indian Peninsular shield (NW-IP) through cross-correlation and invert these velocities to evaluate the unde...
A summary of hazard datasets and guidelines supported by the Global Earthquake Model during the first implementation phase
Global datasets Seismic hazard Global earthquake model
2015/8/14
The Global Earthquake Model (GEM) initiative promotes open, transparent and collaborative science aimed at the assessment of earthquake risk and its reduction worldwide. During the first implementatio...
simpleGAMMA v1.0 – a reduced model of secondary organic aerosol formation in the aqueous aerosol phase (aaSOA)
secondary organic aerosol aqueous aerosol phase
2015/8/6
There isincreasing evidence that the uptake and
aqueous processing of water-soluble volatile organic compounds (VOCs) by wet aerosols or cloud droplets is an important source of secondary organic aer...
DESIGN AND IMPLEMENTATION OF A WEB-BASED GIS (IN RESPONSE PHASE) FOR EARTHQUAKE DISASTER MANAGEMENT IN TEHRAN CITY
Earthquakes Disaster Management GIS Web based
2015/7/29
Natural hazards (i.e. earthquakes, floods) become disaster when they strike the man-made environment. To effectively reduce the
impact of every disaster, governments prepare a complete strategy, cal...
The Global Gridded Crop Model Intercomparison: data and modeling protocols for Phase 1 (v1.0)
Global Gridded Crop Model Intercomparison data
2015/3/5
We present protocols and input data for Phase 1 of
the Global Gridded Crop Model Intercomparison, a project
of the Agricultural Model Intercomparison and Improvement
Project (AgMIP). The project in...
Solid phase phosphorus species and preservation of fish remains in marine sediments of areas of high primary productivity and oxygen seasonality (36°S, central South Chile)
fish debris biogenic apatite seasonal coastal upwelling hypoxia central-south Chile
2017/4/10
The main input of phosphorus to the ocean is associated with river runoff, while this element leaves the marine system
via burial in the sediments. Solid phase P accumulation is a function of bottom ...
Mulifractal phase transitions:the origin of self-organized criticality in earthquakes
Mulifractal phase transitions self-organized criticality in earthquakes
2009/11/16
Fractal and occasionally multifractal behaviour has been invoked to characterize (independently of their magnitude) the spatial distribution of seismic epicenters, whereas more recently, the frequency...
An example of resonances,coherent structures and topological phase transitions-the origin of the low frequency broadband spectrum in the auroral zone
coherent structures topological phase transitions low frequency broadband spectrum auroral zone
2009/11/12
We consider the phenomena of intermittent turbulence in magnetized space plasmas from the point of view of topological phase transitions involving the merging and interactions of anisotropic coherent ...
Resonant-to-nonresonant transition in electrostatic ion-cyclotron wave phase velocity
Resonant-to-nonresonant transition electrostatic ion-cyclotron wave phase velocity
2009/11/11
Because of the implications for plasmas in the laboratory and in space, attention has been drawn to inhomogeneous energy-density driven (IEDD) waves that are sustained by velocity-shear-induced inhomo...