• The Journal of Asian Finance, Economics and Business
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• 제8권5호
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• pp.961-969
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• 2021

The study aimed to investigate the level of customer trust, loyalty, and re-purchase intention of coastal tourism in Thailand during the COVID-19 crisis; to test the different levels of customer trust, loyalty, and re-purchase intention by local tourists between East-side and West-side coasts of Thailand; and to examine the influence of customer trust and loyalty on re-purchase intention in coastal tourism. Using multistage sampling, this study sampled 487 Thai local tourists who had experienced coastal tourism in Thailand during the COVID-19 crisis. A questionnaire, descriptive analysis, independent sample t-test, correlation matrix, and multiple regression analysis were used to collect and analyze the data. All customer trust, loyalty, and re-purchase intentions in coastal tourism by local tourists were at a high level. There were significantly different levels of customer trust, loyalty, and re-purchase intentions by local Thai tourists between the East-side and West-side coasts of Thailand. Moreover, the study found that there was a significant positive influence of customer trust and loyalty on re-purchase intentions in coastal tourism by local tourists in Thailand during the COVID-19 crisis. This study indicates that Thai tourism industry still must develop and improve its local customer loyalty and trust because these positively influence customer re-purchase intentions.

• 한국패류학회지
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• 제26권3호
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• pp.227-234
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• 2010

A comparative analysis of size and age structures of coastal subfossil shell assemblages of the shortnecked clam Ruditapes philippinarum from open and protected bays of Cheju Island (Korea) was carried out. On the whole, taking into account the damage of small fragile shells, size and age structures of the shell assemblages corresponded to the classical curve of bivalve population distribution when its mortality diminishes with age increase up to a certain threshold. It was found that shell samples from open bays of the western, southern and eastern coasts included shells of smaller and younger individuals (L ${\leq}$ 40 mm, ${\leq}$ 4 years) than samples from the eastern protected bay (L ${\leq}$ 54.5 mm, ${\leq}$ 6 years). Evidently, strong wave activity was the reason for a short life-span of the clams from the open areas. Growth was investigated retrospectively by annual growth rings on the shells. Growth rates of the clams from the various coasts of Cheju Island differed. However, growth rates of the clams from different biotopes at the same (eastern) side of the Island were similar. Shell height/length and width/length ratios statistically significantly increased with the clam age increase. Most likely, the reason for such shell shape alteration is that more conglobated individuals more survive being more energy-optimal than oblong specimens.

• 한국지형학회지
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• 제25권4호
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• pp.49-62
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• 2018

This study tries to reveal uplift rates inferred from relative and absolute ages on coastal terrace in the West and South Coasts of South Korea. Uplift rate from relative ages on Pleistocene coastal terrace in the West Coast rangesfrom approximately 0.059 to 0.282 m/ky, while a range of approximately 0.020~0.385 m/ky is calculated from the South Coast, suggesting that the South Coast shows higher rate than the West Coast. Based on absolute ages on coastal terrace during MIS 5 in the South Coast, on the other hand, the uplift rates 1 and 4 have ranges of approximately 0.042~0.062 m/ky and 0.051~0.087 m/ky, respectively, indicating that uplift rate in the South Coast is one-third to one-fourth to that in the East Coast. No research on absolute ages in West Coast terrace and lack of relative and absolute ages in the West and South Coasts are considered as the limit in this study.

• Environmental Analysis Health and Toxicology
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• 제12권3_4호
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• pp.67-73
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• 1997

This study was carried out to investigate the contents of heavy metals such as iron, copper, lead, cadmium, magnesium, platium in connection with water pollution in sea weed (dried laver) collected from the west, south, south- west, and east coasts of Korea. The results of the study are as follows; Iron was shown the highest value (1.280ppm) in the wild laver from the south coast. Copper was detected in larger qauntities (0.169 ppm) in green laver than in any other kinds of laver observed in this study. Lead was detected in larger quantities (0.195ppm) in the usual laver and green laver from the south-west coast as compared with the other coasts. Although cadmium and platium was also detected from every kind of laver, the concentrations were not over the allowance of the residual.

• 한국양식학회지
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• 제21권3호
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• pp.139-145
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• 2008

성게의 형태학적 분류는 그것의 형질적 변이에 의하여 어려움이 많다. 본 연구에서는 말똥성게, 둥근성게, 보라성게, 분홍성게와 동해안에서 포획된 미확인 성게 4종의 형태형질 비교와 계통유연관계를 조사하였다. 성게의 생식소로부터 genomic DNA를 분리한 후, PCR 방법을 통하여 mitochondrial 12S rDNA 유전자의 염기서열을 분석하였다. 둥근성게과의 말똥성게, 둥근성게, 만두성게과의 보라성게, 주발성게과의 분홍성게의 mitochondrial 12S rDNA의 염기서열은 미확인 성게종들의 그것과 85.9-93.9%의 상동성을 나타내었다. 한편, 미확인 성게종들은 새치성게의 mitochondrial 12S rDNA의 일부 염기서열과 99.8%의 높은 상동성을 보였으며, 각 개체의 mitochondrial 12S rDNA를 통한 분자계통수 분석에 의해서 미확인 성게들은 새치성게의 형태적 변이로 판단된다.

• 한국해안해양공학회:학술대회논문집
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• 한국해안해양공학회 1992년도 정기학술강연회 발표논문 초록집
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• pp.1-4
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• 1992

New cotidal charts of the Tusima Strait has been edited by ODAMAKI (1989a) using tidal current observation data. For the semidiurnal tide as shown in Fig.1, two distinctive features are detected. One is an anti-amphidromic area located in the south coast of Korea. Another is the amplitude gap between west and east coasts of the Tusima.(omitted)

• Ocean and Polar Research
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• 제28권2호
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• pp.153-161
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• 2006

To investigate inflow path of the East Sea Intermediate Water (ESIW) into the Ulleung Basin, hydrographic data surveyed in July 2005 were analyzed. The ESIW was characterized by the Salinity Minimum Layer (SML) within a depth range of 100 to 360 meters. Averaged potential temperature and salinity of the SML were $1.835^{\circ}C$ and 34.049 psu, respectively. Mean potential density $({\sigma}_{\theta})$ of the SML was 27.221 with a standard deviation of 0.0393. On isopycnal surfaces of 27.14 and 27.18 $({\sigma}_{\theta})$ which correspond to upper layers of the ESIW, the coastal low salinity water was separated from the offshore low salinity water by the relatively warm and saline water which might be affected by the Tsushima Warm Current Water. Relatively cold and fresh water, however, intruded into the Ulleung Basin from the region of Korean coast on isopycnal surfaces of 27.22 and 27.26 which was lower layer of the ESIW. The salinity distribution in the isopycnal layer of $27.14{\sim}27.26$ with acceleration potential on 27.22 up surface also showed clearly that the low salinity water flowed from the coastal area and intruded into the Ulleung Basin. This implies that the ESIW flows ken the north to the south along the east coasts of Korea and spreads into the Ulleung Basin in summer.

• 한국항해항만학회:학술대회논문집
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• 한국항해항만학회 2004년도 Asia Navigation Conference
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• pp.54-63
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• 2004

There are two principal routes for the Asia-North America containerized cargo, that of Asia-West Coast and Asia-East Coast. On the West Coast, the Asia-Los Angeles, dominate the commerce, whereas on the Asia-East Coast it's the Panama Canal. Each of these routes has different characteristics. All are similar in that each is the door to the commerce of containerized cargo originating in Asia; each combines maritime and overland transportation; each has important intermodal connections and is able to distribute cargo throughout the West and East Coasts of the United States. Each route also has its port of preference that has the necessary infrastructure, equipment and intermodal connections. For example, in the case of the Port of Los Angeles, in spite of some of its advantages, it has several serious problems due to the interminable containerized cargo traffic that must be solved rapidly and satisfactorily in order to progress. In this paper, we would like to show the problems of two main routes.

• 한국수산과학회지
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• 제27권6호
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• pp.733-753
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• 1994

해수면의 장주기변동을 알기 위하여 우리나라, 일본, 러시아의 103개 조위관측점의 월평균 해수면을 분석하였다. 기압보정에는 조위관측점 부근의 기상관측점에서 관측된 월평균 해수면기압을 사용하였다. 계절변화는 대부분의 해역에서 지배적이며, 대마해류역 해안에서 가장 크고 러시아 해안에서 가장 작다. 계절변화의 상호상관관계는 대마해류역 해안 사이에서 가장 크다. 이 부속해에서는 계절변화가 대마해류와 관계를 갖고 있는 것으로 보인다. 계절변화는 남쪽에서 북쪽 뿐만 아니라 서쪽에서 동쪽으로도 전파되고 있다. 반면에, 계절변화보다 장주기의 변화는 태평양 연안에서 가장 큰 진폭과 가장 빠른 위상을 보여, 장주기의 변화는 태평양에서 부터 전파되어 오는 것을 보여준다. 계절변화보다 짧은 주기의 변화는 일반적으로 상관관계가 낮다. 이들의 상관관계 값들은 해역사이에 특별한 차이를 보이지 않으며, 거리에 반비례하는 공통적인 경향을 보이고 있다. 이것은 짧은 주기의 파들이 전해역에 걸쳐 발생하여 모든 방향으로 전파되고 있으며 빨리 소멸한다는 것을 의미한다. 1965부터 1985년 동안 이 해역에서 해수면변화의 경향은 일반적으로 태평양연안에서 음의 기울기를 다른 해역이 양의 기울기를 갖는다. 이러한 경향으로 인해 제주와 Sasebo사이의 평균 해수수송량은 이 기간동안 약 1 Sv의 유량이 줄어들 수 있다. 해수면 차이로부터 계산한 수송량의 계절변화는 대한해협에서 2 Sv 정도로 이미 발표된 다른 연구 보고와 비슷하다.

• Journal of the korean society of oceanography
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• 제32권1호
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• pp.17-27
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• 1997

Miami Isopycnic Coordinate Ocean Model is applied to the East Sea to estimate the renewal time of the upper Intermediate Water The model gives about 10 years of renewal time. Extrapolating this result to the whole water mass below, including the upper Intermediate Water, leads to about 81.4 years of renewal time, which is quite comparable to that obtained by Kim and Kim (1997) based on the recent observations. Deep winter mixing occurs in the north of the basin. The areas of the largest water mass conversion, from the upper mixed to the intermediate below, are along the periphery of the deep mixing zone. Large portion of the renewed Intermediate Water then advects along the Korean and Japanese coasts. It is concluded that the high-oxygen content Intermediate Water found off the Korean coast (Kim and Chung, 1984) is in part locally formed but mostly advected from the deep mixing zone.