不同时期东洞庭湖水域碳素赋存特征及其影响因素

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Abstract The acid-base balance of the water body, Henry's law and indoor experiments, the carbon content of each water body along with their key environmental factors in East Dongting Lake (EDL) were monitored during normal season in April 2022 and flood season in June 2022. The results show that the content magnitude of each carbon component in EDL in different periods was in the order of dissolved inorganic carbon (DIC) > dissolved organic carbon (DOC) > particulate organic carbon (POC) > particulate inorganic carbon (PIC). The main influencing factors included water level variation, physical and chemical factors of water, inflow of Xiangjiang River and partial pressure of greenhouse gases. The effects of water temperature (Temp), pH value, dissolved oxygen (DO) and chlorophyll a (Chl-a) on carbon content varied significantly with sampling season.

Key words： East Dongting Lake normal season flood season carbon content influencing factors

Received: 23 October 2022

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X171.1

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	WANG Li-jing
	ZHU Yi-fan
	TIAN Ze-bin
	JI Dao-bin
	YANG Zhong-yong
	LI Ying-jie
	LIU Jia
	MENG Jiang-huai

Cite this article:

WANG Li-jing,ZHU Yi-fan,TIAN Ze-bin等. Characteristics of carbon storage and its influencing factors in waters of East Dongting Lake in different periods[J]. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(5): 2542-2552.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2023/V43/I5/2542

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