• Title/Summary/Keyword: East Coast

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A Study on Upper-Class House in North Kyeung-Buk Region (경북북부지역의 상류주택에 관한 조사연구)

  • 백영흠
    • Journal of the Korean housing association
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    • v.5 no.1
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    • pp.59-69
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    • 1994
  • This paper was made to examine floor plan and block plan of traditional upper-class houses in the north Kyeungsangbukdo region with consideration into city and country each. The results of this study were as following; First, Munkyung area is latitudinally located in northern area along with the Yechon and Andong. However, Munkyung area has open plot system while Yechon and Andong has not. It is because even if Munkyung area is located in the western of Nak-Dong river and belongs to the northern region, it has belonged to the cultural area which is developed around Sangju area. Second, Youngduk area belongs to the east-coast but it had frequent cultural exchange and marriage with Andong which is located on the road along with Tae-Baek Mountain. Due to the cultural exchange, their housing type is very similar to those of Andong which is close plot plan of "ㅁ" type. Therefore, even if Youngduk is located in the east-coast area, it should belong to the cultural background of Andong area. Regionally, the culture of Kyongsangbukdo has been divided into northern area, southern area, and east-coast area. But, the findings of this study indicate that the analysis of location and floor plan of housing should not be based on the natural environment oand geographic characteristics. Hence, it should be based on the all aspects of environment, including social and cultural nature to find more reliable and accurate results.e results.

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Evidence of Vertical Mixing Caused by High Frequency Internal Waves along the Eastern Coast of Korea

  • Han, In-Seong;Lee, Ju;Jang, Lee-Hyun;Suh, Young-Sang;Seong, Ki-Tack
    • Fisheries and Aquatic Sciences
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    • v.11 no.1
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    • pp.41-49
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    • 2008
  • Internal waves and internal tides occur frequently along the eastern coast of Korea. During the spring-tide period in April 2003, the East Korean Warm Current (EKWC) flowed near the Korean East Coast Farming Forecast System (KECFFS; a moored oceanographic measurement system), creating a strong thermocline at the intermediate layer. Weakened stratification and well-mixed water appeared frequently around the KECFFS, with duration of approximately 1 day. The results suggest the following scenario. Baroclinic motion related to the internal tide generated high frequency internal waves around the thermocline. The breaking of those waves then created turbulence around the thermocline. After well-mixed water appeared, a current component with perpendicular direction to the EKWC appeared within the inertial period. The change in stratification around the KECFFS locally broke the geostrophic balance as a transient state. This local vertical mixing formed an ageostrophic current within the inertial period.

Culturable Fungal Endophytes Isolated from the Roots of Coastal Plants Inhabiting Korean East Coast

  • Kim, Hyun;You, Young-Hyun;Yoon, Hyeokjun;Seo, Yeonggyo;Kim, Ye-Eun;Choo, Yeon-Sik;Lee, In-Jung;Shin, Jae-Ho;Kim, Jong-Guk
    • Mycobiology
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    • v.42 no.2
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    • pp.100-108
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    • 2014
  • Twelve plant species were collected from the east coast of Korea to identify culturable endophytes present in their roots. The fungal internal transcribe spacer (ITS) region (ITS1-5.8SrRNA-ITS2) was used as a DNA barcode for identification of fungi. A total of 194 fungal strains were identified and categorized into 31 genera. The genus Penicillium accounted for the largest number of strains, followed by the genus Aspergillus. Furthermore, using 5 statistical methods, the diversity indices of the fungi were calculated at the genus level. After comprehensive evaluation, the endophytic fungal group from Phragmites australis ranked highest in diversity analyses. Several strains responsible for plant growth and survival (Penicillium citrinum, P. funiculosum, P. janthinellum, P. restrictum, and P. simplicissimum), were also identified. This study provides basic data on the sheds light on the symbiotic relationship between coastal plants and fungi.

Monitoring the 2007 Florida east coast Karenia brevis (Dinophyceae) red tide and neurotoxic shellfish poisoning (NSP) event

  • Wolny, Jennifer L.;Scott, Paula S.;Tustison, Jacob;Brooks, Christopher R.
    • ALGAE
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    • v.30 no.1
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    • pp.49-58
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    • 2015
  • In September 2007, reports of respiratory irritation and fish kills were received by the Florida Fish and Wildlife Conservation Commission (FWC) from the Jacksonville, Florida area. Water samples collected in this area indicated a bloom of Karenia brevis, the dinoflagellate that produces brevetoxin, which can cause neurotoxic shellfish poisoning. For the next four months, K. brevis was found along approximately 400 km of coastal and Intracoastal waterways from Jacksonville to Jupiter Inlet. This event represents the longest and most extensive red tide the east coast of Florida has experienced and the first time Karenia species other than K. brevis have been reported in this area. This extensive red tide influenced commercial and recreational shellfish harvesting activities along Florida's east coast. Fourteen shellfish harvesting areas (SHAs) were monitored weekly during this event and 10 SHAs were closed for an average of 53 days due to this red tide. The length of SHA closure was dependent on the shellfish species present. Interagency cooperation in monitoring this K. brevis bloom was successful in mitigating any human health impacts. Kernel density estimation was used to create geographic extent maps to help extrapolate discreet sample data points into $5km^2$ radius values for better visualization of the bloom.

On The Distribution Of Dissolved Oxygen Off The East Coast Of Korea (한국동해의 용존산소 분포의 특성에 관한 연구)

  • Park, Chung Kil
    • 한국해양학회지
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    • v.14 no.2
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    • pp.67-70
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    • 1979
  • The characteristics of distribution of dissolved oxygen off the east coast of Korea were studied. The oxygen minimum layer was not clearly appeared on the vertical distribution of dissolved oxygen through the year. The dissolved oxygen content of the proper cold water of Japan Sea was 5.1-6.0ml/l which is very higher than those of the North Pacific region, and it means that the speed of transportation of a new and oxygen rich water from surface to deeper layer is relatively fast. Water masses in east coast of Korea can be classified by using of O$\_$2/-Salinity relations.

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Structure of the Subtidal Marine Plant Community on the East Coast of Korea (한국 동해안 조하대 해산식물의 군집구조)

  • Shin, Jae-Deok;Ahn, Jung-Kwan;Kim, Young-Hwan
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.44 no.1
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    • pp.85-94
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    • 2011
  • The species composition and distributions of benthic marine plants on the East Coast of Korea were studied. We examined all species found in the intertidal and subtidal zones at four sites seasonally from August 2006 to May 2009. Of the 148 species identified, 92 were rhodophytes, 39 were phaeophytes, 16 were chlorophytes, and 1 was a seagrass. The most species (125) were found at Jukbyeon, while the fewest (99) were found at Chuksan. Overall, the numbers of species were highest during the spring and lowest in autumn. Seventy-five species (50 rhodophytes, 15 phaeophytes, 9 chlorophytes, and 1 seagrass) were found at all four sites. The dominant species providing cover were melobesioidean algae, Sargassum spp., Phyllospadix japonica, and Corallina pilulifera. The vertical distribution of benthic marine plants was characterized by C. pilulifera, Sargassum spp., Hizikia fusiformis, Grateloupia elliptica, Symphyocladia latiuscula, Grateloupia lanceolata, Ulva pertusa, and Chondria crassicaulis in the intertidal zone; Sargassum spp., P. japonica, Prionitis cornea, C. pilulifera, and Acrosorium polyneurum at 1 m depth; Sargassum spp., P. japonica, and melobesioidean algae at 5 m depth; and melobesioidean algae at 10 m depth. There was variation among the sites, presumably due to differences in the local conditions.

A Study on the Flood Damage Assessment by Typhoon RUSA in the East Coast of Kangwon Prefecture Following the 2000 Large Scale Fire Disaster -Focused on the Watershed of Oship River, Samcheok City (2000년 강원도 동해안지역 대규모 산불화재가 태풍루사 홍수피해에 미친 영향 -삼척시 오십천을 중심으로)

  • 강상혁
    • Fire Science and Engineering
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    • v.17 no.4
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    • pp.70-75
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    • 2003
  • The east coast of Kangwon province has been suffering from natural disaster like wildfire and flooding. In April 2000, there has been a great wildfire in this area. Many forest was burnt out, the mountain was bared. Furthermore, on 31st August,2002 typhoon RUSA attacked the area with heavy rainfall of about 315 mm/day, which resulted in 178 deaths and extensive damage to the property, In this regard, our study was focused on the assessment of the factors of flooding damage considering wildfire disaster. Most of results for our study are derived from practical investigation in the east coast of Kangwon province.

Remote Sensing of the Ultraviolet Reflectance on the East Coast Beach (동해안 해변의 자외선 반사량의 원격탐사)

  • Uh, Je-Sun;Choi, Chul-Jae
    • The Journal of the Korea institute of electronic communication sciences
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    • v.15 no.4
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    • pp.733-738
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    • 2020
  • In the recent years, the development of coastal zone has been advancing, and the chance of leisure activity has increased near the sea. However, the destruction of ozone layer has resulted in an increase in the amount of ultraviolet radiation reaching the earth surface. The human body is harmfully influenced as skin cancer and eye damage by ultraviolet radiation. Especially, the effect of ultraviolet radiation on beach is higher than that inland area due to the reflection from the sand. This study is expected to use basic data on the method of measuring ultraviolet reflections on east coast beaches using remote sensing.

Analysis of Construction Procedure of Breakwater in consideration of Harbor Siltation (항내매몰을 고려한 방파제의 시공순서 검토)

  • Yoon, Seong-Jin;Kim, Kyu-Han
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.19 no.1
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    • pp.73-80
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    • 2007
  • The predominant factor considered in the design of harbors in the East Coast of Korea is wave propagating onshore. Also, the strong wave induced current on the east coast have the biggest influence on sediment transport around the harbor structure. Therefore, a consideration of wave induced current due to waves should take place on design when constructing a harbor on east coast. In this study, we studied on the influences of construction procedure on harbor siltation using annual coastal line data and bathymetry data near breakwater. And, this study focused on investigation of the construction procedure for the best way to decrease harbor siltation.

Variations of the Summertime Tropical Cyclone Intensity near 30°N in East Asia (동아시아의 30°N부근에서 여름철 태풍 강도변화)

  • Choi, Ki-Seon;Kim, Baek-Jo;Lee, Seong-Lo;Kim, Ho-Kyung;Lee, Ji-Sun
    • Journal of Environmental Science International
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    • v.18 no.10
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    • pp.1089-1101
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    • 2009
  • In this paper, changes in the intensity (e.g., central pressure and maximum sustained wind speed) of Tropical Cyclone (TC) in summer in the regions located at $30^{\circ}N$ in East Asia from 1988 to 1991 were found. The intensity of TC from 1991 to 2007 was much higher than that of TC from 1965 to 1988. The reason for this was that the frequency of TCs passing China from 1991 to 2007 was much lower than that of TCs from 1965-1988 because a northeasterly wind caused by high-pressure circulation in East Asia got severer along the East Asian coast. Instead, TCs moved from the eastern region of the Tropical West Pacific to Korea and Japan mainly after passing the East China Sea due to the low-pressure circulation strengthened in the subtropical waters of East Asia. In addition, low Vertical Wind Shear (VWS) was created along the mid-latitude regions of East Asia and the main path of TCs from 1991 to 2007. Most of the regions in the Northwestern Pacific showed higher Sea Surface Temperature (SST) from 1991 to 2007, and had a good environment where TCs were able to maintain a higher intensity on the mid-latitude. In particular, a low sensible heat flux occurred due to high snow depth in East Asia in the spring of 1991 to 2007. Accordingly, the lower layer of East Asia showed high-pressure circulation, and the sea surrounding East Asia showed low-pressure circulation. Thus, the typical west-high, east-low pattern of winter atmospheric pressure was shown. The possibility of snowfall in East Asia in spring to be used as a factor for predicting the summer intensity of TC in the mid-latitude regions of East Asia was insinuated. The characteristics of TC in a low-latitude region were the same in Korea. The latest intensity of TCs got higher, and the landing location of TCs gradually changed from the west coast to the south coast.