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NTIS 바로가기대한지리학회지 = Journal of the Korean Geographical Society, v.46 no.6, 2011년, pp.673 - 692
변종민 (서울대학교 사회교육연구소) , 김종욱 (서울대학교 지리교육과)
Advances in computer technology have enabled us to develop and use numerical landscape evolution models (NLEMs) for exploring the dynamics of geomorphic system from a variety of viewpoints which previously could have not been taken. However, as of yet there have been no trials using or developing NL...
핵심어 | 질문 | 논문에서 추출한 답변 |
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지형을 체계로서 간주하고 지형의 변화를 체계요소와 이들간의 관계로 설명하려는 기능적 지형학(functional geomorphology)이 새로운 연구 사조로 등장하였던 이유는 무엇인가? | 1960년대 이후 지형학에서도 체계이론과 정량적인 연구기법이 도입되면서, 지형을 체계로서 간주하고 지형의 변화를 체계요소와 이들간의 관계로 설명하려는 기능적 지형학(functional geomorphology)이 새로운 연구 사조로 등장하였다(Kim, 1989). 이로 인해 근래의 지형발달모형은 지형체계를 구성하는 체계요소들 간의 관계를 질량보존법칙을 바탕으로 만든 미분방정 식과 같은 수식으로 인식되기도 한다(Byun, 2011b). | |
지형발달과정의 역동성을 파악하기 위한 시도들이 활발하게 행해졌지만 국내에서는 어떠하였는가? | 컴퓨터 기술의 발전으로 인해 근래 들어 수치지형발달모형을 개발하고 이를 이용하여 다양한 관점에서 지형발달과정의 역동성을 파악하기 위한 시도들이 활발하게 행해졌다. 하지만 국내에서는 수치지형발달모형을 활용하거나 개발하는 시도가 거의 없었다. 이에 본 연구에서는 2차원상에서 지질시간 규모의 지형발달을 모의하는 수치지형발달모형을 개발하고 이의 유용성을 확인해 보았다. | |
지형학에서 모형이란? | 지형학에서 모형이란 당시까지 이해된 지형학적 현상을 일반화시켜 표현한 것이다. 지형학은 지표 기복의 특성과 기복을 만드는 과정을 설명하는 학문이기 때문에, 지형학 학문 역사의 초기부터 지표의 지형발달 과 정 을 개 념 화 한 지 형 발 달 모 형 (landscape evolution model)들이 다양하게 제안되어 왔다(Davis, 1899; King, 1953; Penck, 1924). |
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