How long is too long? Variogram analysis of AERONET data to aid aerosol validation and intercomparison studies

AM Sayer - Earth and Space Science, 2020 - Wiley Online Library
Geophysical data sets derived from satellite sensors, ground/airborne instrumentation, and
computational models are often compared against each other. A common example is the …

Assessing inhomogeneities in extreme annual rainfall data series by multifractal approach

AP García-Marín, J Estévez, R Morbidelli, C Saltalippi… - Water, 2020 - mdpi.com
Testing the homogeneity in extreme rainfall data series is an important step to be performed
before applying the frequency analysis method to obtain quantile values. In this work, six …

On the multifractal features of low‐frequency magnetic field fluctuations in the field‐aligned current ionospheric polar regions: Swarm observations

G Consolini, P De Michelis, T Alberti… - Journal of …, 2020 - Wiley Online Library
Recent findings on the nature of magnetic field fluctuations in the high‐latitude ionospheric
regions have suggested the existence of scaling features, which are the signature of the …

The interaction between the turbulence and gravity wave observed in the middle stratosphere based on the round‐trip intelligent sounding system

Y He, Z Sheng, M He - Geophysical Research Letters, 2020 - Wiley Online Library
Based on the round‐trip intelligent sounding system, the structure function and spectrum
analysis method were carried out to analyze the scale interactions between the small‐scale …

Characterization of ionospheric total electron content data using wavelet-based multifractal formalism

S Bhardwaj, E Chandrasekhar, GK Seemala… - Chaos, Solitons & …, 2020 - Elsevier
Understanding of the spatio-temporal behaviour of nonlinear geophysical signals, such as
ionospheric total electron content (TEC) by multifractal analysis brings out the chaotic and …

Intermittency and Passive Scalar Nature of Electron Density Fluctuations in the High‐Latitude Ionosphere at Swarm Altitude

G Consolini, P De Michelis, T Alberti… - Geophysical …, 2020 - Wiley Online Library
Some physical processes due to Sun‐Earth interaction can influence the configuration and
the dynamics of the high‐latitude ionospheric plasma, particularly during geomagnetically …

Avalanches on the complex network of Rigan earthquake

MN Najafi, M Rahimi-Majd, T Shirzad - Europhysics Letters, 2020 - iopscience.iop.org
In this letter we aim to describe the seismic activity of the Rigan earthquake 2010, using the
virtual seismometer (ViS) technique. By defining avalanche-type dynamics on top of the ViS …

Applications of directional wavelets, Universal Multifractals and anisotropic scaling in ensemble nowcasting; a review of methods with case‐studies

RW Scovell - Quarterly Journal of the Royal Meteorological …, 2020 - Wiley Online Library
This article begins with a review of the scale decomposition and stochastic noise generation
aspects of the ensemble nowcasting process, as used in the Short Term Ensemble …

[HTML][HTML] Application of generalized Hurst dimension rose plot in terrain altitude analysis

MC Morató, MT Castellanos, PL Aguado… - Applied Mathematical …, 2020 - Elsevier
This paper presents sound innovations in the processes for geographical data collection
and data evaluation for multiscale analysis of terrain altitude. Data sets were collected along …

Elucidating the complexity of metallogenic elements based on multifractal detrending moving average analysis

L Wan, X Zeng, J Lai - Physica A: Statistical Mechanics and its Applications, 2020 - Elsevier
Metallogenic element distributions generally present highly irregular spatial patterns and
scale-dependent variations. In the present study, the multifractal detrending moving average …