Results 151 to 160 of about 808 (191)

Anomalous trends in global ocean carbon concentrations following the 2022 eruptions of Hunga Tonga-Hunga Ha'apai. [PDF]

Commun Earth Environ
Franz BA, Cetinić I, Ibrahim A, Sayer AM.   +3 more
europepmc   +1 more source

Compensating atmospheric adjustments reduce the volcanic forcing from Hunga stratospheric water vapor enhancement. [PDF]

Sci Adv
Wang Y, Huang Y.
europepmc   +1 more source

The January 2022 Hunga eruption cooled the southern hemisphere in 2022 and 2023. [PDF]

Commun Earth Environ
Gupta AK, Mittal T, Fauria KE, Bennartz R, Kok JF.   +4 more
europepmc   +1 more source

Satellite communications in health emergencies: no longer a luxury.

Western Pac Surveill Response J
Beauchemin PY, Grusd E, Noste EE, Cook A, Larsen JE, Alonzo AP, Enkhdalai M, Casey ST.   +7 more
europepmc   +1 more source

Global Propagation of Ionospheric Disturbances Associated With the 2022 Tonga Volcanic Eruption [PDF]

Geophysical Research Letters, 2022
Abstract In this study, we use measurements from over 4,735 globally distributed Global Navigation Satellite System receivers to track the progression of traveling ionospheric disturbances (TIDs) associated with the 15 January 2022 Hunga Tonga‐Hunga Ha'apai submarine volcanic eruption.
David R Themens, Chris Watson, Nedjeljka Zagar   +2 more
exaly   +3 more sources

Analysis of Ionospheric Anomalies before the Tonga Volcanic Eruption on 15 January 2022

Remote Sensing, 2023
In this paper, GNSS stations’ observational data, global ionospheric maps (GIM) and the electron density of FORMOSAT-7/COSMIC-2 occultation are used to study ionospheric anomalies before the submarine volcanic eruption of Hunga Tonga–Hunga Ha’apai on 15 January 2022.
Jiandi Feng, Yunbin Yuan, Ting Zhang
exaly   +4 more sources

Oscillations of the Ionosphere Caused by the 2022 Tonga Volcanic Eruption Observed With SuperDARN Radars

Geophysical Research Letters, 2022
Abstract On 15 January 2022, the submarine volcano on the southwest Pacific island of Tonga violently erupted. Thus far, the ionospheric oscillation features caused by the volcanic eruption have not been identified. Here, observations from the Super Dual Auroral Radar Network radars and digisondes were employed to analyze ionospheric ...
Jiaojiao Zhang, Jiyao Xu, Guojun Wang
exaly   +2 more sources

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Regional transportation and influence of atmospheric aerosols triggered by Tonga volcanic eruption

Environmental Pollution, 2023
A cataclysmic submarine volcano at Hunga Tonga-HungaHa'apai (HTHH) near Tonga, erupted violently on 15 January 2022, which injected a plume of ash cloud soaring into the upper atmosphere. In this study, we examined the regional transportation and potential influence of atmospheric aerosols triggered by HTHH volcano, based on active and passive ...
Zhiyuan Hu, Jianrong Bi
exaly   +3 more sources

Tonga’s National EMT Response to the Hunga-Tonga Hunga-Ha’apai Volcanic Eruption and Tsunami

Prehospital and Disaster Medicine, 2022
Background/Introduction:The Tonga Emergency Medical Assistance Team (TEMAT) responded to the Hunga Tonga-Hunga Ha’apai (HTHH) volcano and tsunami in early 2022. The HTHH volcano erupted violently on January 15, 2022 triggering a tsunami that struck many of Tonga’s 169 islands.1 84% of the country’s population was affected.2 Tonga’s undersea internet ...
Penisimani Poloniati, Ana Akauola, Sela K. Fusi, Yutaro Setoya, Kaloafo Tavo, Sean T. Casey   +5 more
openaire   +1 more source