Abstract
The paper presents results of the analysis of the Lena River channel deformations near the Yakutsk City over the period exceeding the past 100 years. The data presented enables to conclude that the main trend of the channel development over that period has been a transformation of the adjoint braids pattern into the parallel arms pattern accompanied with directed migration of the main flow line towards the right valley side along the entire studied reach. Such a tendency of channel evolution creates an unfavorable situation for operations of the Yakutsk water industry and transportation facilities. The paper also gives a predictive assessment of the future channel deformations and proposes a set of channel regulation measures aimed at improving the situation.
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