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Dana Maria (Oprea) Constantin, Emil Cîrciumaru and Victor Viorel Vătămanu

Abstract

The climatic factors, generally, and the precipitation amounts recorded, especially, constitute some of the factors which condition the development and intensity of actual geomorphologic processes. One of the most employed climatic parameters for determining the land’s susceptibility to atmospheric precipitations, with real and concrete applications into the dynamic geomorphology, is the Angot factor.

The precipitations represent a crucial meteorological element in initiating, sustaining and reactivating some geomorphologic processes, acting as a modelling agent for every type of landscape. This influence can be highlighted by quantifying the values of some characteristic variables (length, frequency and intensity), as well as temporally confining individual and successive sequences, which present a certain degree of susceptibility.

The general objective of this research, through the analysis of precipitations and the Angot parameter, is to identify, on one hand, the months, seasons or years with a very high or very low susceptibility to the occurrence of bank erosion phenomena, and on the other, to examine the value variations of this parameter across the year. The purpose is to recognize a cumulative of pluviometric conditions which could contribute to inducing, in general, the modelling processes.

The study of land’s susceptibility to atmospheric precipitations was conducted within the morpho-hydrographic drainage system of Câlnău.