지구 온난화 경감을 위한 인공해빙증가

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변희룡;박창균
Byun, Hi-Ryong;Park, Chang-Kyun

  • 투고 : 2015.08.10
  • 심사 : 2015.10.28
  • 발행 : 2015.10.30

초록

본 연구에서는 북극과 남극에서 기온과 수온이 영하임에도 불구하고 얼음이 없는 광범위한 지역(인공증빙가능역)이 존재하는 것에 주목하여, 이 지역에 인공적으로 해빙을 생성하여 지구 표면의 알베도를 높이는 방식으로 지구온난화를 완화하는 방법을 제안하였다. 대략 $4.09{\times}10^6km^2$의 해빙면적이 추가되면 지구온난화 효과로 가정되는 약 $0.85Wm^{-2}$ 에너지가 상쇄된다고 계산되었다. 또한, 인공적으로 해빙을 생성하기 위한 세 가지 빙판 생성 방법(배로 물 뿌리기, 빙판생성장치 운용, 수면에 GCF부유물질 띄우기)을 제안하였다. 간단한 에너지평형모형 실험에 따르면, 3개월 (9, 10, 11월) 동안 인공증빙가능역에 해빙을 최대로 생성할 경우, 다음해에 대략 $0.11^{\circ}C$의 지구표면온도 하강이 기대되었다. 반면에 모든 계절을 통해 생성할 경우, 오히려 지구 냉각화를 초래할 위험성도 발견되었다.

키워드

알베도;인공증빙;인공증빙가능역;지구온난화;해빙

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과제정보

연구 과제 주관 기관 : Pukyong National University