한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제53권3호
  • /
  • Pages.1-11
  • /
  • 2011
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  • 1738-3692(pISSN)
  • /
  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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봄철 강수량 및 강수효율의 지역적 특성별 변화분석

Analyzing the Variability of Spring Precipitation and Rainfall Effectiveness According to the Regional Characteristics

  • 김광섭 (경북대학교 건축토목공학부) ;
  • 김종필 (경북대학교 건축토목공학부) ;
  • 이기춘 (경북대학교 건축토목공학부)
  • 투고 : 2011.03.07
  • 심사 : 2011.03.29
  • 발행 : 2011.05.31
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초록

The temporal variability of spring (March, April, May) monthly precipitation, precipitation effectiveness, monthly maximum precipitation, monthly precipitation of different durations, and the precipitation days over several threshold (i.e. 0, 10, 20, 30, 40, and 50 mm/day) of 59 weather stations between 1973 and 2009 were analyzed. Also to analyze the regional characteristics of temporal variability, 59 weather stations were classified by elevations, latitudes, longitudes, river basins, inland or shore (east sea, south sea, west sea) area and the level of urbanization. Results demonstrated that trends of variables increase in April and decrease in May except precipitation day. Overall trend of precipitation amount and precipitation effectiveness is same but precipitation effectiveness of several sites decrease despite the trend of precipitation amount increases which may be caused by the air temperature increase. Therefore more effective water supply strategy is essential for Spring season. Regional characteristics of Spring precipitation variability can be summarized that increase trend during May become stronger with the increase of latitude and elevation which is similar to that of Summer season. The temporal variability of variables showed different behaviors according to river basins, inland or shore (east sea, south sea, west sea) area and the level of urbanization.

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참고문헌

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