Zobrazeno 1 - 10
of 2 918
pro vyhledávání: '"Planetary Waves"'
Autor:
Qadeer Ahmed, Anshul Singh, N. Praneetha, Ankit Gupta, Arti Bhardwaj, Puja Goel, Arun Kumar Upadhayaya
Publikováno v:
Proceedings on Engineering Sciences, Vol 6, Iss 4, Pp 1857-1864 (2024)
We analyzed the impact of minor Arctic sudden stratospheric warming (SSW) event of 2017 on the ionospheric F2 region, using Digisonde data from a low-mid latitude Indian station, Delhi (28.6°N, 77.2°E, 19.2°N geomagnetic latitude, 42.4°N dip). Ou
Externí odkaz:
https://doaj.org/article/3281dd61df6240dab8557bcf0fedd7d1
Autor:
Kseniia A. Didenko, Andrey V. Koval, Tatiana S. Ermakova, Arsenii V. Sokolov, Olga N. Toptunova
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-13 (2024)
Abstract Using a nonlinear model of the general circulation of the middle and upper atmosphere (MUAM), spatio-temporal structures of planetary waves (PWs) during boreal winter were studied. Modeling of global atmospheric circulation was performed for
Externí odkaz:
https://doaj.org/article/1ff2f06772524613beefcd99b8bfab21
Publikováno v:
Earth and Planetary Physics, Vol 8, Iss 5, Pp 742-752 (2024)
Utilizing the European Centre for Medium-Range Weather Forecast (ECMWF) Reanalysis v5 (ERA5), for the first time, we have confirmed close links among Sudden Stratospheric Warmings (SSWs) in the Northern Hemisphere (NH), the polar vortices, and strato
Externí odkaz:
https://doaj.org/article/21c272f0a35c487fbdd481d7d42bbe86
Publikováno v:
Advances in Climate Change Research, Vol 15, Iss 4, Pp 573-583 (2024)
Arctic warming played a dominant role in recent occurrences of extreme events over the Northern Hemisphere, but climate models cannot accurately simulate the relationship. Here a significant positive correlation (0.33–0.95) between extreme precipit
Externí odkaz:
https://doaj.org/article/fcb614a3c369440db6aff7cccd5d4f9b
Publikováno v:
Solar-Terrestrial Physics, Vol 10, Iss 1, Pp 40-48 (2024)
One of the most important climate-forming phenomena in the ocean—atmosphere system is the El Niño Southern Oscillation (ENSO) events, which manifest themselves with varying intensity in almost all regions of the globe. The central regions of Euras
Externí odkaz:
https://doaj.org/article/a16394bf89f0449698e085223df5fbc8
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 109-119 (2024)
Sudden stratospheric warming (SSW) is a violent atmospheric disturbance in the polar region of the winter hemisphere. The drastic changes in temperature and wind during SSWs are considered to be the main reasons for the abnormal increase in the energ
Externí odkaz:
https://doaj.org/article/8c548cf1943a4b83b5befc8b98bec163
Publikováno v:
Atmosphere, Vol 15, Iss 11, p 1333 (2024)
An array of SuperDARN meteor radars at northern high latitudes was used to investigate the sources and characteristics of eastward-propagating planetary waves (EPWs) at 95 km, with a focus on wintertime. The nine radars provided the daily mean meridi
Externí odkaz:
https://doaj.org/article/b98b7b6bf51a463b923d5b701f6f9df9
Publikováno v:
Atmosphere, Vol 15, Iss 10, p 1237 (2024)
This study is dedicated to the investigation of the relationship between the wave activity in February and temperature variations in the Arctic lower stratosphere in March. To study this relationship, the correlation coefficients (CCs) between the mi
Externí odkaz:
https://doaj.org/article/a973ba9efa594b7692188988dd793108
Publikováno v:
Atmosphere, Vol 15, Iss 10, p 1258 (2024)
During sudden stratospheric warming (SSW) events, significant modifications occur, not only in the neutral atmosphere, but also in the ionosphere. Specifically, sporadic E layers in the mesosphere and lower thermosphere regions significantly disrupt
Externí odkaz:
https://doaj.org/article/d02115ef271544f19afdf019729008c7
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