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Academic Articles & Research Papers
Showing 20 of 947 academic articles
József Vinkó, Zsófia Réka Bodola, Ákos Gődény, Szelina Fruzsina Csák et al. • The Astrophysical Journal
(2025)
We present new photometric observations of the core-collapse supernova SN 2023ixf occurred in M101, taken with the RC 80 and BRC80 robotic telescopes in Hungary. The initial nickel mass from the late-phase bolometric light curve extending u...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae0614
Zihao Qiu, Siyu Chen, Zixin Feng, Ruitong Luo et al. • Frontiers in Physics
(2025)
Futures, as significant financial derivatives, play a crucial role in financial markets by fulfilling price discovery functions and providing efficient risk hedging tools. Against the backdrop of geopolitical conflicts, market risk emerges ...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fphy.2025.1674717
Hyeong-Seok Oh, Chan-Bae Park, Seung-Hwan Lee, Jae-Bum Lee et al. • AIP Advances
(2019)
In this paper, to complement the capability of the existing heating system using an electric-heating wire for melting snow and ice in railway turnouts, 250kHz-200W-class Induction Heating (IH) system was designed. The IH system consists of ...
DOAJ
Open Access (DOAJ)
DOI: 10.1063/1.5129857
Ning Zhao, Delia W. Oppo, Kuo-Fang Huang, Jacob N. W. Howe et al. • Nature Communications
(2020)
An amendment to this paper has been published and can be accessed via a link at the top of the paper....
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41467-020-17208-2
Zhejian Zhang, Nan Li, Shude Mao, Hu Zou et al. • Frontiers in Astronomy and Space Sciences
(2026)
IntroductionGalaxy cluster-scale strong gravitational lensing systems are rare yet valuable tools for investigating dark matter and dark energy, as well as providing the opportunity to study the distant universe at flux levels and spatial r...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fspas.2026.1744079
S. B. Luthcke, T. C. Thomas, T. A. Pennington, T. W. Rebold et al. • Earth and Space Science
(2021)
Abstract ICESat‐2 science requirements are dependent on the accurate real‐time pointing control (i.e., geolocation control) and postprocessed geolocation knowledge of the laser altimeter surface returns. Prelaunch pointing alignment errors ...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2020EA001494
Ewa Welc, Krzysztof Miśkiewicz • Resources
(2020)
This paper reviews the recent use of the term “geotourism potential” in the scientific literature and proposes a new approach to the concept of geotourism potential. The concept assumes that every geotourism object has the well-developed fe...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/resources9120145
Montahaei Mansoure, Ghanbarifar Saeid • E3S Web of Conferences
(2020)
This paper investigates magnetotelluric (MT) data recorded along a profile in the Sabalan geothermal region, NW of Iran. To find the range of relevant models consistent with the data, this study employed the so-called regularized, tear zone...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/e3sconf/202021102004
C. Troise, C. Godano, F. Di Sena, G. De Natale et al. • Annals of Geophysics
(1999)
In this paper, we analyze local earthquakes which occurred at Somma-Vesuvius during two episodes of intense seismic swarms, in 1989 and 1995 respectively. For the selected earthquakes we have computed accurate hypocentral locations, focal m...
DOAJ
Open Access (DOAJ)
DOI: 10.4401/ag-3730
Ladislav BRIMICH, Martin BEDNÁRIK, Jozef BÓDI, Gyula MENTES • Contributions to Geophysics and Geodesy
(2022)
Tidal strain time series recorded at the Vyhne Tidal Station are used to test thirteen different ocean tide loading models. Ten models have been calculated using SPOTL: EOT11a, HAMTIDE11a, OSU.TPXO72atlas, OSU.TPXO72, TPX070, DTU10, CSR4.0,...
DOAJ
Open Access (DOAJ)
DOI: 10.31577/congeo.2022.52.1.3
Yong Ren, Minghui Zhu, Lei Dai, Walter Gonzalez et al. • Geophysical Research Letters
(2026)
Abstract Substorms are often described by a loading‐unloading cycle, where onset follows gradual accumulation of solar wind magnetic flux in the magnetosphere. Yet observations indicate that intense substorms can also be directly driven, th...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2025GL119629
Dastanboo Nima, Li Xiao-Qing, Gharibdoost Hamed • Open Geosciences
(2020)
In deep tunnels with hydro-geological conditions, it is paramount to investigate the geological structure of the region before excavating a tunnel; otherwise, unanticipated accidents may cause serious damage and delay the project. The purpo...
DOAJ
Open Access (DOAJ)
DOI: 10.1515/geo-2020-0193
Samarth Urs M, Nagendra P, B.V. Suresh Kumar • Results in Earth Sciences
(2025)
We present mapping and comparision of the geology of the southern block of the Chitradurga schist belt (CSB). We have used ASTER images and geophysical data to compare the geology. Consequently, present study confirms how remote sensing int...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.rines.2025.100117
J. Schwarz, J. Schwarz, G. Kirchengast, G. Kirchengast et al. • Atmospheric Measurement Techniques
(2018)
Global Navigation Satellite System (GNSS) radio occultation
(RO) observations are highly accurate, long-term stable data sets and are
globally available as a continuous record from 2001. Essential climate
variables for the thermodynamic ...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/amt-11-2601-2018
Kostyleva Natal'ya, Kostylev Dmitry • Russian Journal of Earth Sciences
(2026)
In April 2024, an engineering seismometric station was installed in a residential building in Severo-Kurilsk (Paramushir Island, Sakhalin Oblast) to obtain information about the vibrations of structures and adjacent ground areas during eart...
DOAJ
Open Access (DOAJ)
DOI: 10.2205/2026es001126
K. Revathy, S. R. Prabhakaran Nayar, B. V. Krishna Murthy • Annales Geophysicae
(2001)
The vertical velocity in
the troposphere-lower stratosphere region measured using MST radar has been
utilized to evaluate the temperature profile in the region. The diurnal
variation of the tropospheric temperature on one day in Augus...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-19-1001-2001
I. P. Escobar, N. C. de Sá, J. J. Dantas, F. J. S. S. Dias • Brazilian Journal of Geophysics
(1996)
A Linha de Calibração Gravimétrica Observatório Nacional - Agulhas Negras foi implantada com o objetivo de monitorar as características dos gravímetros utilizados nos levantamentos da Rede Gravimétrica Fundamental Brasileira. Trata-se de um...
DOAJ
Open Access (DOAJ)
DOI: 10.22564/rbgf.v14i1.1210
Yuanning Li, Chao Xu, Fei Geng, Chunyao Bu et al. • Dizhen xuebao
(2024)
为揭示诱发地震和天然地震对建筑结构影响及其破坏概率分布的影响，本文以我国典型砌体结构为研究对象，开展了考虑诱发地震影响的易损性研究。首先建立了典型三层和六层砌体结构分析模型，然后以40条震级和震中距都接近的天然地震地震动和诱发地震地震动为输入开展Pushover分析，分别建立基于峰值加速度PGA和结构基本周期加速度反应谱值Sa的易损性曲线，最后采用循环往复加载方法对两次诱发地震作用下的结构倒塌易损性进行了分析讨论。结果表明：当以PGA作为易损性输入地震动参数时，天然地震地震动...
DOAJ
Open Access (DOAJ)
DOI: 10.11939/jass.20230060
Shujie Gu, Xu Liu, Lunjin Chen, M. E. Usanova et al. • Geophysical Research Letters
(2025)
Abstract Electromagnetic ion cyclotron (EMIC) waves are discrete electromagnetic emissions separated by multiple ion gyrofrequencies. Harmonic EMIC waves are defined as waves with a strong electric or magnetic field (or both) at the harmoni...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2025GL115485
D. M. Wright, R. S. Dhillon, T. K. Yeoman, T. R. Robinson et al. • Annales Geophysicae
(2009)
On 10 October 2006 the SPEAR high power radar facility was operated in a
power-stepping mode where both CUTLASS radars were detecting backscatter
from the SPEAR-induced field-aligned irregularities (FAIs). The effective
radiated power of...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-27-2623-2009