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김어진,서행자,김주현,이주희,최기혁,심은섭,Kim, Eojin,Seo, Haingja,Kim, Joo Hyeon,Lee, Joo Hee,Choi, Gihyuk,Sim, Eun-Sup 한국천문학회 2012 天文學會報 Vol.37 No.2
The upper ionosphere of Mars has been explored by many spacecraft like Mariners, Mars, Viking, and recently by MGS and MEX. MARSIS (Mars Advanced Radar for Subsurface and Ionospheric Sounding) aboard Mars Express Orbiter is operating from August 2005. MARSIS provides topside ionospheric traces, of which yield electron density profiles for altitudes above the primary ionospheric peak. A large amounts of data is useful for investigation of the Martian ionospheric environments under the changing conditions like solar activity, seasons, and solar zenith angle. We studied the characteristics of the Martian ionosphere through analysis of MARSIS data in the various conditions. We expect that our results contribute for understanding of the Martian ionospheric environment.
김어진,김기남,Eojin Kim,Ki-nam Kim 한국우주과학회 2023 우주기술과 응용 Vol.3 No.3
The Earth's ionosphere is an area where part of the upper atmosphere is ionized and exists in a plasma state that affects radio waves. It is a field that has been studied for a long time as it directly affects real life in relation to communications. Depending on the altitude, it is divided into D, E, and F layers depending on the main ions that make up the electron density. The density of the neutral atmosphere is very large compared to the electron density, so it should be described as plasma taking that effect into account. It is an area where influences from outside the ionosphere are directly reflected, starting from the sun and extending to the earth's surface, and is a field that involves complex and diverse areas of research. In this paper, we explain the process by which the Earth's upper atmosphere is ionized to form the ionosphere and introduce the characteristics of the ionosphere at low and mid-latitudes. In addition, we introduce the research that domestic researchers have participated in related to the ionosphere to date and hope that it will be used to promote exchange in the field of ionospheric research in the future.
ISIS 급부상과 돌아온 미국의 대테러전쟁, 그 배경과 전망
김어진 ( Eojin Kim ) 민주화운동기념사업회 2014 기억과 전망 Vol.0 No.31
This paper shows that the rise of ISIS is essentially a product of two factors. In the first place, the failure of the Anglo-American occupation of Iraq forced the US to transfer control to an increasingly sectarian and authoritarian Shiite regime under Nouri al-Maliki, who so thoroughly alienated the Sunni Arab minority that ISIS was able to seize first Fallujah and then Mosul with comparative ease. Secondly, the sectarian civil war launched by the Assad regime in response to the Syrian Revolution of 2011 gave ISIS the space in which it was able to seize large areas of eastern Syria, from which it was able to launch its attacks into Iraq. And this paper shows that US strategy faces a fundamental contradictions.
실천을 기록하는 자세: 디자인 스튜디오가 기록한 10년
김어진(Kim Eojin) 한국디자인사학회 2023 Extra Archive: 디자인사연구 Vol.- No.7
Everyday Practice, the 10th anniversary exhibition of the design studio EverydayPractice, has become the exhibition title after adding a space to the name of the studio. This archival exhibition was born from the discovery of the pragmatic attitude between common nouns and proper nouns.