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연안도시지역에서 대기오염의 3 차원 수치예측모델링 : 대기오염물질의 이동과 확산예측 Movement and Diffusion Prediction of Air Pollutants
원경미,이화운 한국환경과학회 2001 한국환경과학회지 Vol.10 No.5
To investigate air quality away from the coastal urban source region, we used a hybrid Eulerian-Lagrangian method which can describe the formation, transport, transformation and deposition processes in complex terrain. with inclusion of shipping sources that were considered to be important emission in the coastal urban region. The result of the Eulerian advection - diffusion prediction was quite similar to that of the Lagrangian particle diffusion prediction. It showed that pollutants emitted from piers can affect the part of inland, especially Dongrae and the coastal area. Those emitted from Sasang and Janglim industrial complexes can affect Hwamyeong and the coastal, respectively. During the daytime the concentration was low due to large deposition flux and terrain effect.
원경미,이화운,김유근 한국환경과학회 2001 한국환경과학회지 Vol.10 No.3
For the purpose of predicting air pollutants concentration in Pusan coastal urban, we used an Eulerian model of flow and dispersion/chemistry/deposition process considering SST effects which estimate through POM. The results of air quality model including emission from various sources show that the seasonal variation pattern of respective pollutants was affected by the seasonal SST fields and local circulation. Horizontal deviation of diurnal SST was 2.5∼4K, especially large gradients in coastal region. Through numerical simulation of wind fields we predicted that local circulation prevailed during daytime in summer and nighttime in winter. So high concentration distribution showed toward inland in spring and summer seasons, while high concentration distribution showed at inland near coast in autumn and winter.
A Discourse Analysis of Students’ Reflections in a Critical Literacy Picturebook Read-Aloud Class
원경미 한국영미문학교육학회 2017 영미문학교육 Vol.21 No.1
This study is based on a read-aloud class picture book focusing on achieving critical awareness. It was conducted over the course of one month at an elementary school in Korea and analyzed how sixth-grade students responded to texts which raised questions about multiple perspectives, gender roles, and the status of marginalized minorities. The research was conducted on twenty sixth-graders in an elementary school in Gyeonggi-do. The read-aloud class was organized based on Four Resources Model of Reading and consisted of two sessions. During the first two-week session, students read a text on the basis of code-breaking and meaning-making practices, and during the second session that was conducted in the last two weeks, they read the texts through the prism of text-using and text-analyzing practices. In order to investigate whether critical literacy instruction developed critical awareness in the students, the students’ discourses in their written reflections on the texts were analyzed using Fariclough’s Three-Dimensional Model of Discourse Analysis. The results indicated that the read-aloud critical literacy class enhanced students’ engagement with the texts by enabling them to question the issues that were in play. In addition, six out of the twenty students demonstrated their critical awareness in their reflections. They produced critical literacy-oriented discourses including perspective-challenging discourses that questioned the authors’ points of view, individual-difference discourses, and positive-discrimination discourses, rather than conventional, conservative discourses. Therefore, the results of this study suggest that it would serve elementory school instructors well to employ critical literacy practices in their reading classes. However, further research is required in order to gain more information regarding the applicability of critical literacy instruction in the EFL context. The results of the study and their pedagogical implications will be discussed in detail in this paper.
원경미,김진우,조미영,박명애,지보영,명정인 한국수산과학회 2013 Fisheries and Aquatic Sciences Vol.16 No.2
In 2009, a systemic megalocytivirus infection associated with high mortality was detected for the first time in cultured starry flounder Platichthys stellatus in Korea. Diseased starry flounder had pale bodies and gill coloring and enlarged spleens. Histopathological examinations revealed basophilic enlarged cells in various organs of diseased starry flounder. Polymerase chain reaction (PCR) was performed on tissue samples using three published primer sets developed for the red sea bream iridovirus. PCR products were detected for all primer sets, except 1-F/1-R, which are registered by the World Organization for Animal Health (OIE). The part of the gene corresponding to the full open reading frame encoding the viral major capsid protein (MCP) was amplified by PCR. PCR products of approximately 1,581 bp were cloned, and the nucleotide sequences were analyzed phylogenetically. The MCP gene of the starry flounder iridovirus, designated SFIV0909, was identical to that of the turbot reddish body iridovirus (AB166788).
Different politeness strategies in requests affected by experience of studying abroad
원경미 한국영어교과교육학회 2012 영어교과교육 Vol.11 No.1
This study investigated the differences between English learners who have been lived in English-speaking country for over a year and English learners who have studied only in Korea in their awareness and production of politeness strategies under diverse situations and influenced by social and psychological variables. Thirty 6th grade elementary students were asked to respond to twelve situations in which they would like to carry out requests in polite ways, “Politeness Awareness” questionnaire. And they also participated to provide politeness production through Discourse Completion Test,“Politeness Production” test. The findings of the "Politeness Awareness"suggest that students of both groups selected more polite strategies in distant situations and less polite ones in close situations. However, the results of the “Politeness Production” reveal that two groups differ from each other in producing polite request strategies. It can be predicted that one of two groups does not know enough to use politeness strategies in diverse situations even though one has a general sense of the use of politeness. Nevertheless,students of both groups used the “Can you...?” strategy as the most polite one for the various requestees in most situations. Accordingly, the study concludes that learners of English need explicit instruction in politeness as well as in activities that involve raising pragmatic awareness.