清江流域水布垭水库二氧化碳大气廓线空间分布及其水环境效应

长江流域资源与环境 >> 2011, Vol. 20 >> Issue (12): 1495-.

清江流域水布垭水库二氧化碳大气廓线空间分布及其水环境效应

赵登忠|林初学|谭德宝|陈永柏

(1．中国长江三峡集团公司|湖北宜昌 443007；2．长江水利委员会长江科学院|湖北武汉430010)

出版日期:2011-12-20

SPATIAL AND VERTICAL DISTRIBUTION OF CARBON DIOXIDE CONCENTRATION AND AQUATIC ENVIRONMENTAL EFFECT IN THE SHUIBUYA RESERVOIR OVER QINGJIANG RIVER BASIN, CHINA

ZHAO Dengzhong1,2, LIN Chuxue1, TAN Debao2, CHEN Yongbo1

(1.China Three Gorge Corporation, Yichang 443007, China|2. Changjiang River Scientific Research Institute, Wuhan 430010, China

Online:2011-12-20

摘要/Abstract

摘要：

为了研究水库水体二氧化碳源汇变化时空分布格局及其影响因素，选择清江流域水布垭水库为典型示范案例，在2010年5月8日到9日开展了二氧化碳观测实验，获取了水库上空大气二氧化碳浓度垂直变化以及沿水库中心线二氧化碳浓度的变化特征。然后基于地理信息系统空间分析技术对观测点二氧化碳浓度数据进行空间插值计算，得到整个水库水体的空间分布特征，并与水环境因子空间分布情况进行比较分析。研究结果表明：水布垭水库上空大气二氧化碳浓度在05 m高度以下最高，然后向上依次降低，其空间分布从水库上游到坝前呈现增加的趋势。同时水库水体二氧化碳浓度变化受到表层水温、叶绿素浓度等水环境重要因素的影响，与水温和气温呈负相关关系，而与叶绿素呈正相关关系

Abstract:

The Shuibuya reservoir over the Qingjiang River Basin was selected as a case in order to acquire the spatial and temporal distribution of carbon dioxide sources and sinks change. The experiment was carried out for monitoring the vertical profile and navigated measurement of carbon dioxide concentration at May 8 and 9,2010.Then the spatial distribution of carbon dioxide concentration at every layer was acquired by means of interpolation using GIS technology, and the relationship between carbon dioxide concentration and aquatic environmental factors was analyzed in this paper.Data analysis indicated that carbon dioxide concentration in atmosphere above reservoir water was the highest at 05 meter in every layer,and decreased with height increasing.Moreover,navigated measurement showed that carbon dioxide concentration enhanced from the upstream to dam.It was also found that carbon dioxide concentration was obviously influenced by some aquatic environmental factors.It negatively related with water surface temperature,and positively related with chlorophyll.

赵登忠|林初学|谭德宝|陈永柏. 清江流域水布垭水库二氧化碳大气廓线空间分布及其水环境效应[J]. 长江流域资源与环境, 2011, 20(12): 1495-.

ZHAO Dengzhong1,2, LIN Chuxue1, TAN Debao2, CHEN Yongbo1. SPATIAL AND VERTICAL DISTRIBUTION OF CARBON DIOXIDE CONCENTRATION AND AQUATIC ENVIRONMENTAL EFFECT IN THE SHUIBUYA RESERVOIR OVER QINGJIANG RIVER BASIN, CHINA[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2011, 20(12): 1495-.

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