[학술논문] 주단위 표준강수증발산지수를 활용한 2014~2015년 북한의 극한 가뭄 평가
North Korea is one of the high vulnerable countries facing the threat of natural disaster and has experienced more frequent disasters in recent years. These disasters have significantly led to food shortages and large reductions in crop yields. In 2015, both North Korean officials and international agencies had identified the extreme drought event, the worst in one hundred years according to the North