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亞熱帶地區高山溪流溶解性有機碳的輸出量以及在全球氣候變遷下的意涵

李宗祐(Tsung-Yu Lee) ; 李俐槿(Li-Chin Lee) ; 黃誌川(Jr-Chuan Huang) ; Franz Zehetner

地理研究, 2019-11, p.079-106

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  • 題名:
    亞熱帶地區高山溪流溶解性有機碳的輸出量以及在全球氣候變遷下的意涵
  • 著者: 李宗祐(Tsung-Yu Lee) ; 李俐槿(Li-Chin Lee) ; 黃誌川(Jr-Chuan Huang) ; Franz Zehetner
  • 主題: carbon cycle ; climate change ; water resource management ; 氣候變遷 ; 水資源管理 ; 碳循環
  • 所屬期刊: 地理研究, 2019-11, p.079-106
  • 描述: Small mountainous rivers (SMRs) are important conveyors of the land-to-ocean organic carbon export. However, relatively few studies have focused on dissolved organic carbon (DOC) compared to particulate organic carbon. In a long-term project (2002 to 2014), stream DOC was monitored in three neighboring subtropical small mountainous rivers of Taiwan. The objective was to highlight the high DOC yield in SMRs and reveal the implications for global warming. The mean DOC concentration of the studied systems (＜1.0 mg L-1) is ranked in the lowest 1% world’s rivers. However, mean DOC yield (~30 kg ha-1 y-1) is ranked in the top 30%. A positive relationship exists between temperature and DOC concentration which is 30% higher in wet season than in dry season. And typhoon-induced discharge boosted the DOC concentration by 5 times. More than 60% of annual DOC export was flushed off in the wet (warm) season. Moreover, up to 29.5±13.8% of the annual DOC export was accounted for by typhoon events, which the invasion time oc
  • 出版者: 台灣: 國立臺灣師範大學地理學系
  • 語言: 中文
  • 識別號: ISSN: 1019-6684
  • 資源來源: Airiti Library
    Alma/SFX Local Collection
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