• 정보관리학회지
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• 제32권1호
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• pp.23-41
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• 2015

이 연구는 국제학술지에 나타난 '동해' 관련 연구에서 '동해' 표기유형별 특성을 계량적으로 분석한 것이다. 이 때 동해표기 유형은 '동해 단독', '일본해 단독', '병행표기'로 구분하였다. 분석을 위해 Web of Science DB에서 총 4,192편을 대상으로, 표기유형별 시계열 변화, 저자 소속국가별 표기유형, 연구주제의 차이, 피인용도, 연구협력 및 공저 네트워크를 분석하였다. 그 결과 '동해' 연구에서 '일본해 단독 표기'의 비율이 가장 많은 것으로 나타났고, 1990년대 이후 '동해 단독 표기'과 '병기'의 비율이 지속적으로 상승하고 있었다. 또한 '동해' 연구의 핵심국가는 '일본', '러시아', '한국', '미국', '중국' 5개국이며, '일본해 단독 표기'의 경우 '일본'을 중심으로 '미국', '러시아', '중국'과 공동연구가 활발히 이루어지며, '동해 단독 표기'와 '병기'는 '한국' 연구자를 중심으로 '미국', '일본'과의 연구의 비율이 높았다. 공저 네트워크는 '일본해 단독 표기'의 경우 하나의 "거대 구성집단"(Giant Component)을 형성하여 이(異) 집단 간의 협업이 활발히 이루어지고 있으나, '동해 단독 표기'의 경우 소속기관을 중심으로 소규모의 연구그룹이 분산된 것으로 나타났다.

• 수산해양교육연구
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• 제26권5호
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• pp.1013-1025
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• 2014

Marine meterological characteristics off the coast in the East Sea between 2006 and 2013 were investigated by comparing the high wind-wave alert and moored-measured significant wave high. Monthly and yearly variations of the high wind-wave alert duration off the coast in the central part of the East Sea are correlated with those of the significant wave height measurement with their minima in June and 2008 and maxima in December and 2012. Both the high wind-wave alert duration and significant wave height increase remarkably during 2010-2013 when compared with during 2006-2009. The remarkable increase, occurring dominantly in December, seems to be related with Arctic oscillation variability. However, the comparisons reveal that only about a half of high wind-wave alerts satisfy the criteria for issuing the high wind-wave alert. To issue the high wind-wave alert, the wind speed at the sea should exceed 14 m/s or the significant wave height should be higher than 3 m. The high wind-wave alerts unsatisfying the significant wave height criteria are issued mainly during spring and summer. These results imply that additional surface buoy moorings in the open basin of the East Sea are necessary for more accurate issue of the high wind-wave alert.

• Animal Systematics, Evolution and Diversity
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• 제11권2호
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• pp.243-263
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• 1995

1990년 4월부터 1993년 8월까지 우리나라의 동해 연안의 총 36개 지역에서 채집된 해성류를 동정하였다. 그 결과 5목 8과 19속 29종이 밝혀졌고, 이들 중 Solaster endeca, Lethasterias fusca, Lethasterias nanimensis chelifera, Lysastrosoma anthostictha, Evasterias troscheli alveolata 등 5종은 한국 미기록종이었다. Asterina pectinifera가 31개 지역에서 채집되어 가장 넓게 분포하는 종으로 나타났고 가장 많은 개체가 채집된 종은 Distolasterias nipon으로 총 820개체 중 209개체가 채집되었다. 총 29종으로 동해에만 분포하는 종은 15종이었고 동해 연안에서 온대종 16종(55.2%), 한대종 10종(34.5%), 열대종 3종(10.3%)이 분포하는 것으로 나타났다. 현재까지 우리나라 연안에 분포하는 것으로 밝혀진 해성류는 48종이 된다.

• 수산해양기술연구
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• 제44권4호
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• pp.312-322
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• 2008

The age and growth of the sandfish, Arctoscopus japonicus were investigated from samples of the eastern sea danish seine and gill net fishery in the East Sea of Korea from February, 2004 to December, 2007. Ages were determined from annuli in otoliths and annuli were formed between December and February once a year. Also, the main spawning period was estimated to be between December and January, thus rings were considered to be annual marks. For the relationship between fork length and total weight, a multiplicative error structure was assumed because variability in growth increased as a function of the length. The relationship between fork length and total weight were $TW=0.0083FL^{3.01}(R^2=0.966)$ for female and $TW=0.0079FL^{3.04}(R^2=0.969)$ for male. The variability in growth was constant as a function of age, revealing an additive error structure. The von Bertalanffy growth parameters estimated by a non-linear method were $L_{\infty}=31.6cm$, K=0.266/year, $t_0=-0.835$ years for female and $L_{\infty}=27.7cm$, K=0.273/year, $t_0=-0.806$ years for male. Growth at age between male and female had a significant difference(P<0.001).

• 한국GIS학회:학술대회논문집
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• 한국GIS학회 2003년도 공동 춘계학술대회 논문집
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• pp.297-299
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• 2003

Altimeter(Topex/Poseidon) and AVHRR(NOAA) data were used to study the variations and correlations of Sea Level(SL) and Sea Surface Temperature (SST) in the North East Asian Seas from November 1993 to May 1998. This region is influenced simultaneously to continental and oceanic climate as the border of the East Sea(Japan Sea). SL and SST have increased gradually every year because the global warming, and presented usually a strong annual variations in Kuroshio extension region with the influence of bottom topography.

• 한국패류학회지
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• 제25권1호
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• pp.71-79
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• 2009

Based on investigation of archive collections of A.V. Zhirmunsky Institute of Marine Biology of the Far-Eastern Branch of the Russian Academy of Sciences (Vladivostok) and O.A. Scarlato Zoological Institute of the Russian Academy of Sciences (Saint Petersburg), as well as on the analysis of published data, the species composition of shell-bearing gastropod mollusks of the Russian waters of the East Sea (Sea of Japan), consisting of 331 species and subspecies, has been identified. The fourth part of the Review includes 46 species of Heterobranchia (Allogastropoda, Opistobranchia, and Pulmonata). Each species is assigned to a biogeographic grouping in the study area. Its type locality and habitat (depth and substrate) are also documented.

• 한국패류학회지
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• 제25권1호
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• pp.51-70
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• 2009

Based on investigation of collections at the A.V. Zhirmunsky Institute of Marine Biology of the Far-Eastern Branch of the Russian Academy of Sciences (Vladivostok) and Zoological Institute of the Russian Academy of Sciences (Saint Petersburg), as well as on the analysis of published data, the species composition of shell-bearing gastropod mollusks of the Russian waters of the East Sea (Sea of Japan), consisting of 331 species and subspecies, has been identified. Each species is assigned to a biogeographic grouping in the study area. Its type locality and habitat (depth and substrate) are also documented. The third part of this review includes 129 species in Neogastropoda (Caenogastropoda).

• 한국측량학회지
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• 제24권2호
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• pp.159-165
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• 2006

본 논문에서는 위성고도계자료를 이용하여 개발된 평균해면모델인 CLS_SHOM과 지구중력장 모델인 EGM96으로부터 평균해면고와 지오이드고를 계산하여 해면지형을 계산하고, 이를 이용하여 지형류의 흐름을 추정하였다 지형류의 추정을 통하여 해양의 물리학적인 특성을 연구할 수 있기 때문에 외국에서는 많은 연구가 수행되어 왔으나 우리나라의 경우에는 연구가 이루어지지 않은 상태이다. 본 연구에서는 지형류에 대한 기초연구로서 동해에서의 지형류 흐름특성을 분석하여 제시하였다. 연구결과 동해지역에 대한 해면지형의 평균은 약 37cm로 계산되었고, 지형류 속도는 평균 -0.028m/sec로 계산되었다. 지형류의 흐름은 태평양 해수가 대한해협을 통과하면서 속도가 증가한 후에 일본열도의 외측단을 따라서 동북동 방향으로 거의 일정한 속도로 흐르다가 좁은 Tsugaru 해협과 Soya 해협을 통하여 유출되며, 한반도의 동해안을 따라서 북쪽으로 흐르다가 Soya해협과 북동북으로 향하여 Okhotsk해로 유출되는 것으로 나타났다.

• 한국군사과학기술학회지
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• 제10권4호
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• pp.52-61
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• 2007

Temporal and spatial variations of sea water largely affect on the pattern of underwater sound propagation. Acoustic environmental changes and their effects on underwater sound propagation in the northern part of the East Sea, which have been poorly studied mainly due to lack of observations, are investigated by analyzing the hydrographic data acquired since 1993. Severe changes in acoustic environments are associated with various physical processes such as deep convection, thermal fronts, and eddies in the northern part of the East Sea. Spatio-temporal variations of sound speed field and the layer of the maximum sound speed are categorized into six typical cases. Using a sound source of 5 kHz, acoustic transmission losses are calculated range-independently for the six typical cases. Significant differences among the patterns of transmission loss in the six cases suggest that a different tactics are required when we operate in the northern part of the East Sea.

• Fisheries and Aquatic Sciences
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• 제10권3호
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• pp.150-158
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• 2007

Data on squid catches, water temperature, and climatic factors collected for the Northwest and subtropical North Pacific were analyzed to examine the influence of oceanic and climatic conditions in spawning grounds on catches of Japanese common squid, Todarodes pacificus, in the East (Japan) Sea. The main spawning ground was divided into four sub-areas: the South Sea of Korea (R1), the southern waters off Jeju, Korea (R2), the southwestern part of Kyushu, Japan (R3), and the northern part of Okinawa, Japan (R4). Interannual and decadal fluctuations in water temperatures correlated well with squid catches in the East/Japan Sea. In particular, water temperatures at a depth of 50 to 100 m in sub-areas R3 and R4 showed higher correlation coefficients (0.54 to 0.59, p<0.01) in relation to squid catches in the East/Japan Sea than for R1 and R2, which had correlation coefficients of 0.40 or less (p>0.05). Air temperature and wind velocity fluctuations in each sub-area are correlated with water temperature fluctuations and were closely connected with variations in the surface mixed layers. Water, air temperatures and wind velocities at the main spawning grounds are linked to the Southern Oscillation Index (SOI) with higher signals in the ca. 2-4-year band. Strong changes in a specific band and phase occurred around 1976/77 and 1986/87, coincident with changes in squid catches.