[학술논문] 주단위 표준강수증발산지수를 활용한 2014~2015년 북한의 극한 가뭄 평가

...monitoring in North Korea. Characteristics of the extreme drought in North Korea are examined by using the weekly-based Standardized Precipitation Evapotranspiration Index (SPEI). The drought characteristics illustrated by the SPEI results are compared with a Standardized Precipitation Index ( SPI) results and drought impact information to understand how these indices can explain the drought conditions within...

[학술논문] Evaporative Stress Index (ESI)를 활용한 북한의 위성영상기반 농업가뭄 평가

...Evaporative Stress Index (ESI), a satellite-based drought index using the ratio of potential and actual evaporation,is being used to detect drought response as a index of the droughts occurring rapidly over short periods of time. It is more accurate and provides fasteranalysis of drought conditions compared to the Standardized Precipitation Index ( SPI), and the Palmer Drought Severity Index (PDSI). In this...

[학술논문] 북한의 가뭄 특성 변화가 농업에 미치는 영향 평가

To evaluate the impact of drought on agriculture in N. Korea, SPI ( standardized precipitation index) analysis was carriedout by utilizing time-series precipitation data during 1996 – 2003 when severe drought occurred throughout the country. The SPI value was estimated to reach 12 in approximately 60% of the total period, indicating that agricultural productivitydeteriorated rapidly due to the...