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Study of Aerosol Nano- and Submicron Particle Compositions in the Atmosphere of Lake Baikal During Natural Fire Events and Their Interaction with Water Surface
Water, Air, & Soil Pollution ( IF 2.9 ) Pub Date : 2021-06-23 , DOI: 10.1007/s11270-021-05237-6
Tamara V. Khodzher , Valery A. Zagaynov , Alex A. Lushnikov , Vladislav D. Chausov , Galina S. Zhamsueva , Alexander S. Zayakhanov , Vadim V. Tsydypov , Vladimir L. Potemkin , Irina I. Marinaite , Vladimir V. Maksimenko , Igor E. Agranovski

In 1996, Lake Baikal was declared a UNESCO World Heritage Site. It contains nearly 25% of the world’s fresh surface water. In recent years, anthropogenic impacts on the ecosystem of Lake Baikal have been increasing due to the development of industry in the region, expansion of the tourist infrastructure, and recreational areas of the coastal zone of the lake. In addition, an increase in the frequency of forest fires has already led to irreversible destructive processes in some areas of the lake. This project investigates the behavior of anthropogenic and natural atmospheric aerosols during forest fires that swept large areas of Siberia and their potential transportation onto Lake Baikal surface. It was found that quite substantial nano-size and submicron aerosol fluxes could reach the water surface and alter ecosystem of the lake. Such outcome is especially important as the amount of pollutants transported through the air–water interface during bush fire events is almost one order of magnitude higher as compared to the fire free scenario.



中文翻译:

自然火灾事件中贝加尔湖大气中气溶胶纳米和亚微米颗粒组成及其与水面相互作用的研究

1996年,贝加尔湖被联合国教科文组织列为世界遗产。它包含了世界上近 25% 的新鲜地表水。近年来,由于贝加尔湖地区工业的发展、旅游基础设施的扩张以及贝加尔湖沿岸地区的休闲区,人为对贝加尔湖生态系统的影响越来越大。此外,森林火灾频率的增加已经导致湖中某些地区不可逆转的破坏过程。该项目调查了席卷西伯利亚大片地区的森林火灾期间人为和自然大气气溶胶的行为及其向贝加尔湖表面的潜在运输。发现相当大的纳米尺寸和亚微米气溶胶通量可以到达水面并改变湖泊的生态系统。

更新日期:2021-06-24
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