Abstract
Dynamics of mercury (Hg) in aquatic ecosystem is of particular concern because Hg delivered to watersheds can be converted to methylmercury (MeHg), a highly toxic, persistent, and bioaccumulative species that poses a serious threat to human health and wildlife by consuming fish. Emission of Hg from water is an important source of global atmospheric Hg budget and would also reduce the Hg burden in the water bodies which in turn decreases the MeHg production and bioaccumulation in aquatic ecosystem. Therefore, exchange of Hg between water and atmosphere plays a crucial role in cycling of Hg in aquatic ecosystem and the atmosphere. In this chapter, we (1) measured water/air exchange flux at eight reservoirs in Wujiang River Basin; (2) studied the diurnal and seasonal variations in water/air Hg flux and related factors; and (3) developed water/air Hg fluxes empirical models and estimated Hg emissions from Wujiang River.
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Feng, X., Meng, B., Yan, H., Fu, X., Yao, H., Shang, L. (2018). Water/Air Mercury Flux in Reservoirs. In: Biogeochemical Cycle of Mercury in Reservoir Systems in Wujiang River Basin, Southwest China. Springer, Singapore. https://doi.org/10.1007/978-981-10-6719-8_4
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DOI: https://doi.org/10.1007/978-981-10-6719-8_4
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