• Title/Summary/Keyword: 연도(煙道)

Search Result 2,535, Processing Time 0.033 seconds

The Study on Application and Management of the Coast Using Airborne LiDAR Surveying (LiDAR자료를 이용한 연안 해안지역 관리 및 활용에 관한 연구)

  • We, Gwang-Jae;Yom, Jae-Hong;Lee, Kang-Won;Kim, Seung-Young
    • 한국지형공간정보학회:학술대회논문집
    • /
    • 2002.03a
    • /
    • pp.66-73
    • /
    • 2002
  • 본 논문은 미국 Oregon 지역을 실험지역으로 하여 LiDAR자료를 이용하여 연안해역 관리 및 해안지역의 각종 분석자료의 기초데이터로 활용하는 방안을 도출하고자 한다. 실험지역은 미국 Oregon주의 남쪽해안에 위치하고 있는 해안지역이며, 해안선이 완만하게 형성이 되어 있다. 본 실험에 이용된 LiDAR 자료는 97년 10월과 98년 4월 2회에 걸쳐 NASA의 ATM(Airbone Topographic Mapper) II를 이용하여 측량을 실시하였다. 연도별로 취득된 해변지역의 표고값을 근거로 하여 연도별 해변의 단면 변화량을 산출하였다. 본 연구를 통하여 연구지역인 미국 Oregon 해변지형의 표고변화는 연도별로 약 0.79m/year 정도 변화가 발생하였다. 또한 국내에서 해안선 측량시 이용가능성 및 해안선 변화 모니터링, 해변 위험지역 및 침식량 산정 등 다양한 분야의 활용가능성을 제시하였다.

  • PDF

On the estimation of parameters for the growth curve of the Korean Population (한국의 인구곡선 추정에 관한 연구)

  • 구자흥
    • The Korean Journal of Applied Statistics
    • /
    • v.7 no.2
    • /
    • pp.249-261
    • /
    • 1994
  • The purpose of this research is to obtain a Simple Logistic Curve for the curve fitting of Korean total Population. Based on the population census data from 1949 to 1990, the parameters are estimated by 3-group method. As the results, intercensal populations of Korea from 1950 to 190 are estimated, and Korean total populations from 1991 to 2010 A.D. are projected. And we also can suggest the upper asymptote 58, 616 thousands of Korean total population.

  • PDF

A Comparative Study of 2001 Drought Characteristics (2001년 가뭄 특성에 관한 비교 연구)

  • Kim, Hwi Rin;Park, Moo Jong;Yoon, Yong Nam
    • Proceedings of the Korea Water Resources Association Conference
    • /
    • 2004.05b
    • /
    • pp.834-838
    • /
    • 2004
  • 최근 40년 동안 한반도에서는 $5\~8$년마다 극심한 가뭄을 경험하였으나 가뭄사상별로 조직적인 조사, 분석이 이루어지지 않아 가뭄별 수문${\cdot}$기상 특성에 대한 연구는 미비하였다. '60년대 이후에 발생한 주요가뭄은 '67-'68년의 호남 및 영남지역에 극심했던 가뭄과 '76-'77년, '81-'82년, '87-'88년의 영남지방가뭄, 그리고 '94-'95년의 영${\cdot}$호남 지역 및 중부 일부지역에서 발생했던 것으로 기록되어 있다. 이들 가뭄기간에 대한 기상학적 특성을 분석하기 위해, 2001년 강수량, 기온, 증발량 및 일조시간 특성을 예년 기상자료와 각각 비교하였다. 또한, 2001년 가뭄은 농번기인 봄철에 피해 정도가 심각했으므로, 예년 봄철(3-5월) 강수량과 비교하여 각 순위를 선정하였다. 뿐만 아니라 연도별 가뭄발생 순위, 연도별 강수량 발생규모, 연강수량 및 $3\~5$월 강수량 발생현황과 연도별 $3\~5$월 강수량 발생규모를 산정하여 2001년 가뭄을 예년 가뭄과 비교 및 특성을 조사 분석하였다.

  • PDF

Investigation on Status of Pou1try Industry in Japan (일본의 양계추이와 경영실태에 관한 조사분석)

  • 오세정
    • Korean Journal of Poultry Science
    • /
    • v.16 no.1
    • /
    • pp.29-52
    • /
    • 1989
  • Selection of breeds, adequate environment and sanitary condition must be considered to improve production ability. Minimizing of production cost through reasonable management and farm system can introduce maximizing net income. Followings are the summary of poultry industry in Japan: (1) To decreasing consumers Price and to gurantee the quality of eggs, poultry farms changed their farm system as complex which contain feed factory, GP center and processing factory as well as raising laying hens. (2) Broiler farms moved from suburbs to several remote from cites owing to development of transferation , and rising price of land. (3) The egg Price in Japan was depended on season. From fall to spring, the Price was usually rised due to increased consumption, and from May to August the price always dropped. (4) The average production per one you was around 17kg/hen and average feed consumption was around 2.45. Rearing rate was around 98.5% and motality of hens was around 7%. And one person reared 15,000-20,000 hens in over 100 thousand chicken reared farms even though average ability per person showed 3,266 hens.

  • PDF

A Study on the Relationship Between Radial Growth and Climate Factors by Regions in Korean Pine (Pinus koraiensis) (지역별 잣나무의 연륜생장과 기후인자와의 관계 연구)

  • Lee, Sangtae;Bae, Sang-Won;Jang, Seok Chang;Hwang, Jaehong;Chung, Junmo;Kim, Hyun-Seop
    • Journal of Korean Society of Forest Science
    • /
    • v.98 no.6
    • /
    • pp.733-739
    • /
    • 2009
  • This study was carried out to analyze the relationship between major climatic factors (monthly temperature, precipitation) and radial growth of Korean Pine (Pinus koraiensis) in Inje-gun(Mt. Seorak), Sanchung-gun and Namwon-si(Mt. Jiri). Radial growth measurements were crossdated and correlated with climate variables. The climatic factors used were monthly mean temperature and monthly precipitation from August of previous year to September of the current year. In Inje-gun, radial growth was negatively correlated with monthly mean temperature in April, May, June, and August of the current year and was positively correlated with precipitation in August, October of the previous year and in April, August of the current year. Sanchung-gun showed a negative correlation with monthly mean temperature in September of the previous year and August of the current year but positive correlation in January of the current year. In contrast, precipitation in September of the previous year and August of the current year showed a positive influence. The results suggest that high temperature together with low precipitation may thus cause water stress and thereby limit radial growth in this region. In Namwon-si, the climategrowth relationships show that radial growth was negatively correlated with monthly mean temperature in August, October of the previous year and June of the current year. But August of the previous year and May, August of the current year in precipitation was positively correlated with radial growth. In the study areas, precipitation plays an important role for the radial growth of Kroean Pine (Pinus koraiensis). The results suggest that precipitation is important in the radial growth because water deficit in trees would take place in response to high temperature in the study area. Also there was some differences with study areas in the effects of both climatic variables probably as a result of different stand structure and geographical conditions and micro-climate.

Effect of Socio-demographic Factors on Sensory Properties for Hanwoo Steer Beef with 1++ Quality Grade by Different Cut and Cooking Methods (사회인구학적 요인이 1++ 등급 거세한우고기의 부위 및 요리형태별 관능특성에 미치는 영향)

  • Cho, Soo-Hyun;Kim, Jae-Hee;Kim, Jin-Hyoung;Seong, Pil-Nam;Park, Beom-Young;Kim, Kyung-Eui;Ko, Yoon-Sil;Lee, Jong-Moon;Kim, Dong-Hun
    • Food Science of Animal Resources
    • /
    • v.28 no.3
    • /
    • pp.363-372
    • /
    • 2008
  • This study was conducted to investigate the relationship between the socio-demographic factors and the Korean consumers' palatability evaluation and to collect the sensory information for development of prediction palatability model of Hanwoo beef. Ten cuts [Abjin (short plate), Bosup (top sirloin), Cheggt (striploin), Dngsim (loin), Guri (chuck tender), Hongduke (eye of round), Moksim (chuck roll), Sulgit (bottom round), Udoon (top round), Yangji (brisket)] were separated from 5 Hanwoo steer beef (28-30 months old) and prepared with the same manner for 3 different cooking methods such as boiling, grilling, and roasting. The cooked beef samples were served to 650 consumers recruited from Seoul, Joongbu, Honam and Youngnam locations and evaluated as tenderness, juiciness, flavor, and overall acceptability. The consumer living location, age, gender, occupation, monthly income, and cut were significantly related with the scores of sensory properties when steer beef were cooked as boiling cooking (p<0.05). The eating habit and aging of beef were also significantly related with the tenderness and overall acceptability scores (p<0.01) when beef were cooked as boiled. In grill cooking, living location, aging, and cut had the significant effect on the sensory properties of Hanwoo steer beef (p<0.01). When steer beef were prepared by Korean traditional roast cooking, consumer's sensory scores were significantly different by the living location, age, occupation, monthly income, eating habit of consumers, aging and beef cut (p<0.001). Also, results from the principal component analysis showed that palatability scores of Korean consumers were decided with different contribution rate of tenderness, juiciness, flavor and overall acceptability for beef cut depending on cooking methods. In conclusion, Korean consumers' palatability for Hanwoo steer beef were related to the socio-demographic factors and the sensory scores were different by cut and cooking methods.