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Atmospheric Processes in the South Baikal Basin and Their Role in Relief Formation

Geographical Department, Pedagogical Institute of Irkutsk State University, 6 Nizhnyaya Naberezhnaya St., Irkutsk 664003, Russia
Author to whom correspondence should be addressed.
Atmosphere 2018, 9(5), 176;
Received: 8 December 2017 / Revised: 20 April 2018 / Accepted: 3 May 2018 / Published: 7 May 2018
(This article belongs to the Special Issue Atmospheric Processes over Complex Terrain)
Climatic conditions and the solar and circulation features in the Lake Baikal basin are analyzed. The relationship between the heat balance and surface temperature of slopes is shown, taking into account each features’ physical state. The dependence of the heat balance values and the underlying surface temperature were revealed. The quantitative material allowed us to reveal regional patterns of geomorphological regimes, seasonal rhythm, and the dynamics of processes. In Cisbaikalia, within the denudation cycle, semi-humid states under water erosion and aeolian processes of moderate intensity predominate. The semi-arid state manifests itself under decreasing humidification. In these years, the probability of extreme manifestations of aeolian processes is high. The humid states occur in 1% of cases, primarily in extremely wet years, when fluvial processes are dramatically activated. In Cisbaikalia, climate warming and an increase in mean annual temperature have been observed in recent years. Depending on the moisture amplitude and heat availability, the intensity and direction of water erosion and aeolian processes is changing now. The dynamics of relief-forming processes cause an increase in loose substance in the lake and the exacerbation of the ecological situation. View Full-Text
Keywords: climate; solar radiation; heat balance; circulation; relief; exogenous processes climate; solar radiation; heat balance; circulation; relief; exogenous processes
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MDPI and ACS Style

Tyumentseva, E.М.; Orel, G.F. Atmospheric Processes in the South Baikal Basin and Their Role in Relief Formation. Atmosphere 2018, 9, 176.

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