Journal of Korea Water Resources Association (한국수자원학회논문집)

Korea Water Resources Association (한국수자원학회)
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Net Radiation Estimation Using Flux Tower Data and Integrated Hydrological Model: For the Seolmacheon and Chungmichen Watersheds

플럭스 타워 관측 자료 및 통합수문모형을 이용한 순복사량 산정: 설마천, 청미천 유역을 대상으로

  • Kim, Daeun (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Baek, JongJin (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Jung, Sung-Won (Hydrological Survey Center) ;
  • Choi, Minha (Department of Civil and Environmental Engineering, Hanyang University)
  • 김다은 (한양대학교 공과대학 건설환경공학과) ;
  • 백종진 (한양대학교 공과대학 건설환경공학과) ;
  • 정성원 (유량조사사업단) ;
  • 최민하 (한양대학교 공과대학 건설환경공학과)
  • Received : 2012.07.14
  • Accepted : 2012.11.21
  • Published : 2013.03.31
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Abstract

Spatial heterogeneous characteristics of solar radiation energy from Climate Change gives rise to energy imbalance in the general ecological system including water resources. To understand energy flow, flux towers are up and running throughout the world. In step with, in domestic major areas, there have been observed using several flux towers. In this study, downward shortwave radiation, downward long wave radiation, and net radiation that take important part in hydro-meteorology and ecology were calculated by proposed physical equations using flux data of the Seolmacheon and Choengmicheon, then, the calculated net radiation and observed net radiation were individually compared and validated. The results confirmed applicability of physical methods for insufficient hydro-meteorological data and possibility for observed data of hydro-meteorological variables.

기후변화로 야기될 수 있는 태양복사에너지의 공간적인 불균형은 수자원을 포함한 전반적인 생태 시스템에서의 에너지 불균형을 초래한다. 따라서 정확한 에너지의 흐름을 이해하기 위하여 정량적인 관측을 목적으로 하는 플럭스 타워가 세계 곳곳에 설치되어 운영되고 있다. 국내의 주역에서도 플럭스 타워를 통안 관측이 실시되고 있는 데, 본 연구에서는 이 중 설마천과 청미천 유역의 플럭스 타워의 자료를 대상으로 수문기상 및 생태학적으로 중요한 역할을 하는 에너지원인 하향 단파 및 장파 복사량과 순복사량을 기존의 연구에서 제안된 물리식을 기반으로 계산하고, 산정된 순복사량과 관측 자료를 비교 검증하였다. 이를 통하여 관측이 미흡한 수문기상인자에 대해 기존의 물리적인 방법의 사용 가능성 및 관측 자료의 활용 가능성을 확인하였다.

Keywords

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