This study found that La hija del mar (1859) by Rosalía de Castro describes, as the background to the work, the lives of Galicians, along with the movement of the sea, scenes of the coast, storms, and lively plants in Muxía, a small city of Galicia and Cabo de Finisterre. It was shown that the nature of Galicia, as described in the work, is a beautiful site where fishermen and farmers live among the full aroma of plants and flowers, as well as being a subject of fear to the people there. Furthermore, it was also shown through the funeral process, along with a depiction of the natural environment, the unique place of Galicia is part of the traditional heritage that the Galician people have preserved, in which Roman Catholic rituals are mixed with superstitious rites. Moreover, the author shows through a description of the excessive drinking culture of Dionysian rites or Libation rites that Galicia is a land with longstanding and profound folk customs, as well as a special culture. It was proved that the work is a specific representation of the author's perspective. Thus, Rosalía depicts the lives of people and the natural environment, which have not been examined profoundly, although they always existed in Galicia. This provides space where the external reality of Galicia and part of the identity of Galicia can be elucidated.
RHO, TAEKEUN;CHOI, SANG-HWA;LEE, JI YOON;KWON, SOYEON;KANG, DONG-JIN;SONG, TAE YOON;SON, PURENA
The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY
/
v.27
no.4
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pp.173-193
/
2022
Dissolved nutrients in seawater are a key variable for understanding the role of the ocean in controlling atmospheric carbon dioxide, which is a major cause of global warming. In order to continuously monitor changes in the marine environment in the waters around the Korean Peninsula, dissolved nutrient data are being measured through regular observations by national institutions and various research projects. To increase the utilization of these data, the Jurisdictional Ocean Information Sharing System (JOISS), which integrates data from each institution, was established. In this study, for the dissolved nutrient data of JOISS, primary quality control was performed using the regional dissolved nutrient concentration range in the waters around the Korean Peninsula, and the correlation between the dissolved nutrient and other oceanographic characteristics or the correlation within dissolved nutrient components. Providing the quality control flags of regional range and primary quality control may increase the reliability of JOISS dissolved nutrient data and promote the utilization of dissolved nutrient data in JOISS. In addition, we proposed a secondary quality control method essential for improving the international comparability of JOISS dissolved nutrients.
Kyeong-Su Kim;Young-Suk Song;Dae-Seong Yun;Eunseok Bang
The Journal of Engineering Geology
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v.34
no.2
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pp.163-171
/
2024
Changes in the soil layer on Dokdo are important both academically and with regard to sustainable conservation and utilization of the islands. Continuous investigation and observation are necessary, as the soil layer is essential to the growth of plants and, therefore, the islands' ecosystem. Such work was carried out for about 8 years using soil erosion measuring bars, which are durable and facilitate simple monitoring of changes in the soil layer. Each bar comprised a rod measuring 30~50 cm long and 1.5 cm in diameter, and the use of stainless steel afforded resistance to corrosion caused by sea breezes. Six measuring bars were installed in the soil layers of each of two islands, Dongdo and Seodo, and measurements were taken one to three times a year from 2014 to 2021. The field measurements indicate that soil was deposited on Dongdo but eroded on Seodo during the observation period. As the measuring bars on Dongdo were located in the central and lower parts of the island, the observed changes in the soil layer resulted mainly from sedimentation of material eroded by weathering or soil runoff from the upper part of the island. In contrast, the measurement locations on Seodo were located in the upper and central parts of the island, where soil erosion and runoff diminished the soil layer at the observation points.
A study on the elution characteristics of biostimulating agents (sulfate and nitrate) from biostimulants which are used for in-situ bioremediation for the coastal sediment contaminated with organic matter was performed. The biostimulating agents were mixed with the coastal sediment, and then massed the mixture into ball. Two kinds of ball type biostimulant were prepared by coating the ball surface with two different polymers, cellulose acetate and polysulfone. A granular type biostimulant (GTB) was also prepared by impregnating a granular activated carbon in the biostimulating agent solution. The image of scanning electron microscopy for the biostimulant coated with cellulose acetate (CAB) showed that the inner side of the coating layer consisted of irregular and bigger size of pores, and the surface layer had tight structure like beehive. For the biostimulant coated with polyfulfone (PSB), the whole coating layer had a fine structure without pore. The elution rate of the biostimulating agents for the CAB was higher than that for the PSB, and the elution rate for the GTB was considerably higher than that for the PSB in distilled water as well as in sea water. The elution rate of the biostimulating agents in turbulent water flow was about 3 times higher than that in standing water, and the elution rate of nitrate was higher than that of sulfate from the stimulating agents.
Chae, Doo-Hyun;Kim, In-Sung;Song, Young Kyoung;Kim, Sungwoo;Kim, Seung-Kyu
The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY
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v.19
no.1
/
pp.88-98
/
2014
Despite of emerging and increasing concerns to microplastics, no standard methodology has not been proposed for determination of microplastics. This study aims to develop the analysis method for microplastics in seawater by overviewing methodologies proposed by previous studies and by assessing some processes in those methodologies which possibly cause uncertainties in microplastic determination. Furthermore, we present preliminary results of distribution characteristics of microplastics in seawater of Incheon/Kyeonggi coastal region which is based on our new methodology. Microplastics in surface microlayer (SML) and subsurface water (SSW) were collected using mesh screen and planktonic nets (trawl net with $330{\mu}m$ mesh size and hand net with $20{\mu}m$ mesh size), respectively. Microplastics with < $300{\mu}m$ was predominant, indicating hand net as the better collection tool for SSW. As for SML, FT-IR based microplastic concentration was well matched with naked-eye based concentration which has been used in most of previous studies. However, a poor relationship was observed for SSW, indicating that concentration data of previous SSW studies should be corrected. Incheon/Kyeonggi bay seawater contained the similar concentration range with those in coastal region of the Nakdong River. Our methodology can be used as a basic tool for further microplatic studies.
Cyclina sinensis is an edible bivalve inhabiting wide tidal flats which are exposed to the air at ebb tide along the western coast of Korea. Over the period of June to September 1971, some specimens from a tidal flat near Inchon were submerged in sea water with various concentrations of ammonium hydroxide added and careful observations were made on their fertilization, early development, and metamorphosis of the larvae. The highest rate of fertilization was demonstrated by individuals treated with 1/1000 normal solution of ammonium hydroxide and their fertilized eggs followed normal development, i.e., two cell stage 1.5 hours after fertilization, blastular stage after 4 hours, and trochophore stage after 6 hours. Within 24 hrs after fertilization C. sinensis larvae have acquired the form of early straight-hinge veliger with the mean prodissoconch I with the length of $110\mu$. It takes seven days to get the umbo stage with the mean shell length of $190\mu$ and twenty days to get the morphosing stage with the mean shell length of $260\mu$. The larvae were cultured to the metamorphosing stage with the shell length of $270\mu$ in the laboratory condition.
Kim, Moon Sup;Kim, Sea Hyun;Song, Jeong Ho;Kim, Hyeu Soo
Journal of Korean Society of Forest Science
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v.103
no.1
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pp.43-50
/
2014
The purpose of study was to analyze secreted nectar volume, nectar sugar content and amino acid in addition to estimating honey quantities that can ultimately reap in male and female flowers of Evodia daniellii Hemsl.. The maximum blooming period of male flowers was on 24 to 26 July in 2012. On average, nectar volume secreted by nectary was $2.73{\pm}0.73{\mu}L$ from one male flower and nectar concentration showed 17.4%. The maximum blooming period of female flowers was on 7 to 9 August in 2012. Nectar volume secreted by nectary was $0.63{\pm}0.49{\mu}L$ from one female flower and nectar concentration showed 25.7%, averagely. As results of correlation analysis between the meteorological factors and nectar characteristics, we found that nectar quantities and concentration were influenced by temperature and relative humidity. Sugar content was calculated at $48.0{\pm}5.2{\mu}g$ per a male flower and $37.8{\pm}8.7{\mu}g$ per a female flower, which meant that both values were not significantly different (Mann-Whitney's U-test, p=0.400). The minimum estimates of honey harvest for a male and female inflorescence were 67.8 g and 53.5 g, respectively. Analysis of amino acid showed that Serine, Glycine and Alanine were more abundant in male flowers, however Asparatate, Glutamate, Asparagine and Glutamine were more abundant in female flowers.
Sediment works as a resource for electric cells. This paper was designed in order to verify how sediment cells work with anodic material such as metal and carbon fiber. As known quite well, sediment under sea, rivers or streams provides a furbished environment for generating electrons via some electron transfer mechanism within specific microbial population or corrosive oxidation on the metal surfaces in the presence of oxygen or water molecules. We experimented with one type of sediment cell using different anodic material so as to attain prolonged, maximum electric power. Iron, Zinc, aluminum, copper, zinc/copper, and graphite felt were tested for anodes. Also, combined type of anodes-metal embedded in the graphite fiber matrix-was experimented for better performances. The results show that the combined type of anodes exhibited sustainable electricity production for ca. 600 h with max. $0.57\;W/m^2$ Al/Graphite. Meanwhile, graphite-only electrodes produced max. $0.11\;W/m^2$ along with quite stationary electric output, and for a zinc electrode, in which the electricity generated was not stable with time, therefore resulting in relatively sharp drop in that after 100 h or so, the maximum power density was $0.64\;W/m^2$. It was observed that the corrosive reaction rates in the metal electrodes might be varied, so that strength and stability in the electric performances(voltage and current density) could be affected by them. In addition to that, COD(chemical oxygen demand) of the sediment of the cell system was reduced by 17.5~36.7% in 600 h, which implied that the organic matter in the sediment would be partially converted into non-COD substances, that is, would suggest a way for decontamination of the aged, anaerobic sediment as well. The pH reduction for all electrodes could be a sign of organic acid production due to complicated chemical changes in the sediment.
Kim, Moon Sup;Kim, Sea Hyun;Han, Jingyu;Kwon, Hae Yun;Song, Jeong Ho;Kim, Hyeusoo
Journal of Korean Society of Forest Science
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v.103
no.2
/
pp.196-202
/
2014
In order to select superior trees based on fruit characteristics and provide basic informations necessary for their improvement, total 107 individual trees of Sorbus alnifolia (Sieb. et Zucc.) K. Koch were selected from 11 wild populations in South Korea. After collecting normal fruit branch, we investigated morphological characteristics of fruit and then considered its relationship among the 11 populations by multivariate analysis method. Results from principal compound analysis showed that it represented 85.8% accumulated explanation from five principal compounds. According to cluster analysis based on fruit characteristics, the natural S. alnifolia populations were classified into four groups and Mt. Mani population was different from other populations. Selection effect with outstanding candidate trees including superior 5 individual trees (Gwangyo 1, Gwangyo 2, Deogyu 7, Mani 29, Mani 30) was estimated at 122.8%, 115.5% and 182.7% in fruit width, length and yield per fruit bunch, respectively. The object of this results will give us invaluable information about breeding by selection of S. alnifolia in south Korea.
The Purpose of this study was to collect statistics of pediatric problems, and so to investigate the new effective oriental medicine treatments in pediatric disease and its clinical applicability. The Study was composed of 698 new patient who had been treated at the pediatric unit in th Dong Sea Oriental Medical Hospital for 1 year, from 1 September 2001 to 31 October 2002, and aged between 0 and 18 years. The Chief complaints and their care-givers. Result: 1. In the study, male children are 403 and female children are 295. So the sex ratio between male and female is 1.37 : 1. 2. In age distribution, 0-3 years : 317(45.4%), 4-6 years : 148(21.2%). 7-9 years 98(14.0%), 10-12 years: 66(9.5%), 13-15 years : 40(5.7%), 16-18 years 29(4.2%). 3. The chief complaint according to systemic division was Respiratory diseases covers 30.1%, Digestive diseases covers 20.8%, Physique diseases covers 10.6%. 4. The Respiratory diseases tended to increase in autumn and appeared mostly in the age group between 0 and 9 years. The Digestive diseases increase in summer and appeared mostly in the age group between 10 and 12 years. The physique diseases increase in winter and appeared mostly in he age group between 13 and 18 years. 5. Most of patient came to the hospital from diseases such as common cold, weakness, dyspepsia, atopic dermatitis, rhinitis, take a easy cold, short stature, sweating, Bell's palsy, abdominal pain, etc. Conclusion : 1. The chief complaint In pediatric diseases that needed an oriental medical treatment was mainly the disease that tends to take long time and the weakness, and appeared frequency in respiratory and digestive disease. 2. The oriental medical treatment was still preferred as a way to improve the weakness by patients, rather than a way to overcome their disease. in particular, the study shows that the oriental medical treatment should be emphasized in terms of preventing the disease. 3. The new disease, which were developed with change of human life and environment, should be investigated as a new fie of oriental medical treatment.
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