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NTIS 바로가기대기 = Atmosphere, v.28 no.2, 2018년, pp.211 - 222
김아현 (연세대학교 대기과학과) , 염성수 (연세대학교 대기과학과) , 장동영 (연세대학교 대기과학과)
Cloud droplet activation process is well described by
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
구름 알베도 효과는 지구에 어떤 영향을 미치는가? | 구름 알베도 효과는 인위적인 에어로졸 증가가 작은 구름방울들의 생성을 유도하여 구름의 알베도를 증가시키는 효과를 말한다. 이는 지구에 입사하는 태양복사에너지를 보다 효율적으로 반사하여 지표온도를 낮추는 효과를 가져다 준다. 구름 수명 효과는 에어로졸 수농도 증가에 의한 구름방울 크기 감소가 강수 효율을 감소시키고, 구름 수명을 증가시켜 구름의 알베도 효과가 지속되는 현상이다. | |
구름 알베도 효과란 무엇인가? | 이는 에어로졸–구름 상호작용에 의한 복사수지 효과로 알려져 있으며, 크게 구름 알베도 효과(Twomey Effects; Twomey, 1977)와 구름 수명 효과(Albecht Effects; Albrecht, 1989)로 이해된다. 구름 알베도 효과는 인위적인 에어로졸 증가가 작은 구름방울들의 생성을 유도하여 구름의 알베도를 증가시키는 효과를 말한다. 이는 지구에 입사하는 태양복사에너지를 보다 효율적으로 반사하여 지표온도를 낮추는 효과를 가져다 준다. | |
KK 방법의 장점은 무엇인가? | KK 방법은 OSM 방법에 비해 쾰러 방정식의 용질효과 계산이 용이하며, 에어로졸의 화학적 특성을 나타내는 값을 확보하는 것에 대한 수고로움이 적다. 즉,용질효과 계산과정을 단순화하고자 에어로졸의 화학적 특성에 따른 유효흡습도 κ 값으로 이용하는 방법이다(Petters and Kreidenweis, 2007). |
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