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Analysis of multidimensional geophysical monitoring time series for earthquake prediction
collective behaviour spectral matrices canonical coherences
2015/9/30
A method is presented for detection of synchronous signals in multidimensional time series data. It is based on estimation of eigenvalues of spectral matrices and canonical coherences in moving time w...
Wavelet analysis as a tool to characteriseand remove environmental noisefrom self-potential time series
self-potential signals wavelet analysis
2015/9/14
Multiresolution wavelet analysis of self-potential signals and rainfall levels is performed for extracting fluctuations in electrical signals, which might be addressed to meteorological variability. I...
Processing of noisy magnetotelluric time series from Koyna-Warna seismic region, India: a systematic approach
Koyna-Warna seismic region systematic approach
2015/8/17
Rolling array pattern broad band magnetotelluric (MT) data was acquired
in the Koyna-Warna (Maharashtra, India) seismic zone during
2012-14 field campaigns. The main objective of this study is to id...
Processing of noisy magnetotelluric time series from Koyna-Warna seismic region, India: a systematic approach
Magnetotellurics Koyna Time series processing Cultural noise Remote reference
2015/8/14
Rolling array pattern broad band magnetotelluric (MT) data was acquired in the Koyna-Warna (Maharashtra, India) seismic zone during 2012-14 field campaigns. The main objective of this study is to iden...
The autumn 1919 Torremendo (Jacarilla) earthquake series (SE Spain)
Jacarilla earthquake Moment magnitude Environmental effects Aftershock series Macroseismicity
2015/8/14
On 10th September 1919 several slightly damaging earthquakes struck the towns of Torremendo, Jacarilla (near Alicante, SE-Spain) and others nearby. Available magnitude estimations for the largest two ...
Reprocessed height time series for GPS stations
Global positioning system GPS data processing algorithm model vertical speed
2015/1/5
Precise weekly positions of 403 Global Positioning System (GPS) stations located worldwide are obtained by reprocessing GPS data of these stations for the time span from 4 January 1998 until 29 Decemb...
Pore formation during dehydration of a polycrystalline gypsum sample observed and quantified in a time-series synchrotron X-ray micro-tomography experiment
polycrystalline gypsum sample Pore formation
2015/1/4
We conducted an in-situ X-ray micro-computed
tomography heating experiment at the Advanced Photon
Source (USA) to dehydrate an unconfined 2.3 mm diameter
cylinder of Volterra Gypsum. We used ...
Pore formation during dehydration of a polycrystalline gypsum sample observed and quantified in a time-series synchrotron X-ray micro-tomography experiment
Pore formation during dehydration a polycrystalline gypsum sample time-series synchrotron X-ray micro-tomography experiment
2015/1/4
We conducted an in-situ X-ray micro-computed tomography heating experiment at the Advanced Photon Source (USA) to dehydrate an unconfined 2.3 mm diameter cylinder of Volterra Gypsum. We used a purpose...
Evaluation of a Global Vegetation Model using time series of satellite vegetation indices
Global Vegetation satellite vegetation indices
2014/12/9
Atmospheric CO2 drives most of the greenhouse
effect increase. One major uncertainty on the future rate of
increase of CO2 in the atmosphere is the impact of the anticipated climate change on the ve...
Analysis of the spatial distribution between successive earthquakes in aftershocks series
Aftershocks Earthquake catalogs Spatial distribution Scaling
2015/8/18
The earthquake spatial distribution is being studied, using catalogs for different recent aftershock series. The quality of the available data, taking into account the completeness of the magnitude, i...
Two homologous series of alkylpyridines in the Murchison meteorite
Murchison meteorite alkylpyridines aldehyde ammonia Chichibabin synthesis
2017/4/11
Two homologous series of alkylpyridines (CnH2n–5N and CnH2n–7N) were identified in the methanol extract of the
Murchison meteorite by liquid chromatography/high-resolution mass spectrometry. The wide...
The origin and detection of spike-like anomalies in soil gas radon time series
radon detection spike-like anomaly
2017/4/12
Desorption of radon is of short duration but longer than telluric noises and is usually accomplished in less than one
minute based on our binary event counting with a 16 second interval. Adapting an ...
Nonlinear time series analysis of geomagnetic pulsations
Nonlinear time series analysis geomagnetic pulsations
2009/11/16
A detailed nonlinear time series analysis has been made of two daytime geomagnetic pulsation events being recorded at L'Aquila (Italy, L ≈ 1.6) and Niemegk (Germany, L ≈ 2.3). Grassberger and Procacci...
Nonlinear analysis of magnetospheric data Part II. Dynamical characteristics of the AE index time series and comparison with nonlinear surrogate data
Nonlinear analysis magnetospheric data Dynamical characteristics AE index time series
2009/11/13
In this study we have used dynamical characteristies such as Lyapunov exponents, nonlinear dynamic models and mutual information for the nonlinear analysis of the magnetospheric AE index time series. ...
Nonlinear analysis of magnetospheric data Part I. Geometric characteristics of the AE index time series and comparison with nonlinear surrogate data
Nonlinear analysis magnetospheric data Geometric characteristics AE index time series
2009/11/13
A long AE index time series is used as a crucial magnetospheric quantity in order to study the underlying dynainics. For this purpose we utilize methods of nonlinear and chaotic analysis of time serie...