Showing papers in "Journal of Atmospheric and Solar-Terrestrial Physics in 2019"

TL;DR: In this paper, the authors compared the second Modern-Era Retrospective analysis for Research and Applications (MERRA-2) and the Aerosol Robotic Network (AERONet) in four seasons at 12 AERONET sites across China.

TL;DR: The GloCAEM database as mentioned in this paper is a collection of atmospheric electricity measurements from 17 sites across the world, with data from all sites available in identically-formatted files, at both one second and one minute temporal resolution.

TL;DR: In this article, the spatial and temporal variability patterns of UHI in the metropolitan city of Karachi were also investigated using hourly temperature observations for a period of 10 years in two phases (a) from 1998 to 2002 (b) from 2012 to 2016).

TL;DR: In this article, the authors calculated precipitable water vapour (PWV) using ground-based GNSS stations derived from the Crustal Movement Observation Network of China (CMONOC) and estimated the zenith total delay (ZTD) using the GAMIT/GLOBK (Ver. 10.4) and the ZHD is calculated using the layered European Centre for Medium-Range Weather Forecasting (ECMWF) ERA-Interim data.

TL;DR: In this paper, the performance of the physics-based Radiative Transfer Equation (RTE) method on LST retrieval using Landsat 8 satellite imagery and simultaneous in-situ LST data was evaluated.

TL;DR: In this article, the authors compared sunspot data with monthly precipitation series of 39 European countries by calculating Pearson correlation coefficients for a multi-year cross-correlation window, with the aim to identify areas in which solar activity may have influenced precipitation.

TL;DR: In this article, the authors applied Long Short-Term Memory (LSTM) network with one-step-ahead prediction of MODIS data to reconstruct daily LST through the previous data.

TL;DR: In this article, the response of the ionosphere to the earthquake of a moderate magnitude (M 5.9) that occurred in Japan at 11:23:50 UT on 7 July 2018 has been studied using a newly developed coherent multi-frequency radio diagnostic system for remotely probing ionosphere at oblique incidence.

TL;DR: In this paper, a neural network based regional ionospheric model is developed using GPS-TEC data from 1 January 2012 to 31 December 2015, which can capture most of the spatio-temporal variations of the regional TEC.

TL;DR: In this paper, the authors examined the spatiotemporal variability, trend, and magnitude of observed rainfall from 33 synoptic stations during 1979-2017 over Kenya and deployed non-parametric techniques like Mann-Kendall test, Sequential Mann-kendall (SMK), and Sen's slope estimator (SSE) were deployed in assessing trend, change points and magnitude.

TL;DR: In this paper, the spatial OLR anomaly from National Oceanic and Atmospheric Administration/National Center for Environmental Prediction (NOAA/NCEP) was analyzed temporally by the statistical bounds before the Mw 6.3 (Pasni, Pakistan) and Mw 7.7 (Iran) events.

TL;DR: In this article, a new wave frequency and amplitude model for the nightside and dayside chorus waves is built based on measurements from the Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) instrument onboard the Van Allen Probes.

TL;DR: Ball lightning is a rarely observed phenomenon whose existence is attested to by thousands of eyewitness reports, but which has so far evaded a widely accepted scientific explanation as mentioned in this paper, and it has been studied extensively in the literature.

TL;DR: In this article, integrated water vapor transport (IVT) detection algorithm is implemented over the Arabian Sea basin for the identification of strong moisture transport events (SMTs) over Indian subcontinent during 1979-2013.

TL;DR: In this paper, the authors study the dynamical behaviors of a system of five coupled nonlinear equations that describes the dynamics of acoustic-gravity waves in the atmosphere and show that an interplay between the order and chaos exists depending on whether the control parameter s 1, associated with the density scale height of acoustic gravity waves, is below or above its critical value.

TL;DR: In this article, the authors examined the physical reality of two such periods (1940-1972 and 1998-2014), lightning data are examined Lightning activity is of particular interest because on many different time scales it has been shown to be non-linearly dependent on temperature.

TL;DR: In this paper, the average rate of change of TEC index (ROTIave), derived from Global Positioning System (GPS) measurements obtained at South America, Africa, Asia and Oceania equatorial regions, was used as indicator.

TL;DR: In this paper, the correlation between the polar cap magnetic activity (PC) index and the interplanetary electric field EKL was examined in course of magnetic disturbances, the magnetic substorms occurrence being regarded as independent evidence of the geoeffective solar wind affecting the magnetosphere.

TL;DR: In this paper, the authors focused on the assessment of two operational high-resolution satellite-based rainfall products, Climate Hazards Group InfraRed Precipitation with Stations (CHIRPS) and NOAA CPC Morphing Technique (CMORPH) over Algeria.

TL;DR: In this article, a comparative study among two neurocomputing models in the form of Multilayer Perceptron (MLP) models and non-linear regression for the prediction of surface ozone (O3) during pre-monsoon season over Gangetic West Bengal (GWB), India considering NOx, SO2, PM10 and temperature as predictors.

TL;DR: In this paper, the mass density response to the geomagnetic storm was investigated as a function of the latitude in both the Northern (GRACE) and the Southern (Swarm) Hemispheres.

TL;DR: In this paper, the results of observations of variations in the mid-latitude ionospheric parameters and physical processes in the geospace during March 20, 2015 partial solar eclipse over Kharkiv (49.60° N, 36.30° E) where the eclipse magnitude was about 0.54.

TL;DR: In this paper, the authors used global lightning data from the world-wide lightning location network (WWLLN) to test the claim that galactic cosmic rays (GCRs) are responsible for Earth's atmospheric lightning.

TL;DR: In this article, the authors presented the results of a comprehensive study of traveling ionospheric disturbances (TIDs) occurring over Europe during the total solar eclipse of 20 March 2015.

TL;DR: In this article, the authors briefly treat various problems of long-term trend calculations in the upper atmosphere and some ways how to deal with these problems are suggested, which may be divided into three groups: (1) natural variability, (2) data problems, and (3) methodology.

TL;DR: In this article, strong ELF perturbations in the Schumann Resonance band (0-50 Hz) were detected in the North of Greece close to the village of Kalpaki during a shallow (17 km) mid-magnitude earthquake (5,3R) and the post-seismic sequence that followed it.

TL;DR: In this paper, the authors used the Mann-Kendall (MK) test with Sen's slope estimator and Sen's Innovative Trend Analysis (ITA) for detecting the trend of the hydro-meteorological parameters-temperature and rainfall.

TL;DR: In this article, the authors identified the cause of the errors in the spectral out-of-band (OOB) radiance in the H2O channel centered at 6.8μm arising from ozone emission in the 9.6μm band.

TL;DR: In this article, the potential difference (POT) and the Lightning Potential Index (LPI) were compared to the locations of lightning occurrence detected by WWLLN (World Wide Lightning Location Network) data as well as the total lightning data obtained from LIS (Lightning Imaging Sensor) in the innermost simulation domain.

TL;DR: In this paper, the relationship between the time series of the aerosol optical properties, namely the AOD and Angstrom exponent (α), and the high energy cosmic ray (CR) muons and neutrons was investigated and established.