http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 유지영 (검색결과 748 건)
- 무료
- 기관 내 무료
- 유료
-
-
-
-
-
-
-
-
-
일 단위 SPI와 ROC 분석을 이용한 단기가뭄의 평가
유지영,송호용,김태웅,안재현,Yoo, Ji Young,Song, Hoyong,Kim, Tae-Woong,Ahn, Jae-Hyun 대한토목학회 2013 대한토목학회논문집 Vol.33 No.5
The Standardized Precipitation Index (SPI) is widely applied to evaluate for meteorological droughts. However, the SPI is limited to capture a drought event with a short duration, expecially shorter than one month. In this study, we proposed a daily SPI (DSPI) as a way to overcome the limitation of the monthly SPI for drought monitoring. In order to objectively assess the ability of the drought reproduction of the DSPI, we performed a receiver operating characteristic (ROC) analysis using the quantified drought records from official reports, newspapers, etc. The results of ROC analysis showed that the DSPI has an ability to reproduce short-term drought compared with other indices. It also showed that the main cause of historical droughts was the shortage of rainfall accumulated during the time period less than 90 days compared with the rainfall of normal years.
-
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
