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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.7
- 수록면
- 1 - 15 (15page)
- DOI
- https://doiorg/105389/KSAE2017594001
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초록· 키워드
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Eutrophication of surface waters is of concern worldwide, because it can result in many undesirable water-quality and ecological problems, such as hypoxic ‘dead’ zones and harmful algal blooms, both associated with considerable economic costs. In this study, we used LSM (Land Surface Model) to simulate nitrogen in five major rivers in the Southern Korean Peninsula. The main objective of this research was to enhance nitrogen data for input of LM3V model in South Korea. Input data for nitrogen fluxes were categorized into three sections including agriculture fertilizer, livestock manure, atmosphere deposition, biological fixation, and sewage pollutants were used as the nitrogen input. For using LM3V model, the nitrogen input data were regenerated by considering states of agriculture and industry in South Korea at a 1/8° resolution. Then, we simulated stream/river flows and N loads throughout the entire drainage networks in South Korea at a 1/8° resolution. By using the same parameters for the entire country (100,210 km2), composed of 5 river basins with varying climate and land use, the model simulates spatial (11 sites) and temporal (1999~2010) patterns of flows and nitrate-N loads are resonable by comparing observed flow and nitrate-N loads. The r (Pearson’s linear correlation) for water temperature, flow and nitrate-N at river were 080~0.93, 0.62~0.92 and 0.5~0.9 respectively. Based on enhanced N input data and model results, we find that LM3V model as land surface model can be applied in South Korea with interaction of atmosphere and land conditions.
목차
등록된 정보가 없습니다.
참고문헌 (19)
참고문헌 신청
Frank J. Dentener / 1994 / A three-dimensional model of the global ammonia cycle / Journal of Atmospheric Chemistry 19(4):331~369
John P. Dunne / 2012 / GFDL’s ESM2 Global Coupled Climate–Carbon Earth System Models. Part I: Physical Formulation and Baseline Simulation Characteristics / Journal of Climate 25(19):6646~6665
Gerber, S. / 2010 / Nitrogen cycling and feedbacks in a global dynamic land model / Global Biogeochemical Cycles 24:GB1001
Pamela A. Green / 2004 / Pre-industrial and contemporary fluxes of nitrogen through rivers: a global assessment based on typology / Biogeochemistry 68(1):71~105
G. C. HURTT / 2006 / The underpinnings of land-use history: three centuries of global gridded land-use transitions, wood-harvest activity, and resulting secondary lands / Global Change Biology 12(7):1208~1229
John P. Dunne / 2012 / GFDL’s ESM2 Global Coupled Climate–Carbon Earth System Models. Part I: Physical Formulation and Baseline Simulation Characteristics / Journal of Climate 25(19):6646~6665
Gerber, S. / 2010 / Nitrogen cycling and feedbacks in a global dynamic land model / Global Biogeochemical Cycles 24:GB1001
Pamela A. Green / 2004 / Pre-industrial and contemporary fluxes of nitrogen through rivers: a global assessment based on typology / Biogeochemistry 68(1):71~105
G. C. HURTT / 2006 / The underpinnings of land-use history: three centuries of global gridded land-use transitions, wood-harvest activity, and resulting secondary lands / Global Change Biology 12(7):1208~1229
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