Abstract
The article examines the features of the time course of the average annual air temperature in the Debed river basin in Armenia. As a starting material, we used daily data of actual observations of the temperature of the surface air layer for a year in the Debed river basin. The study was carried out at 6 meteorological stations in the Debed river basin based on long-term observation data series from 1930 to the present (2018). Analysis of the trend lines of temporal changes in air temperatures shows that at all meteorological stations currently operating on the territory of the basin, there is mainly a tendency for an increase in temperatures of annual values.
Highlights
Air temperature is characteristics of situation on of links of climatic system
The study area is characterized by an uneven distribution of air temperature, which is mainly due to the geographical latitude of the area, general and local circulation of the atmosphere, the nature of the active surface, radiation energy and orographic features
As a result of the research came to the following conclusions: – The distribution of air temperature in the studying area is uneven: the average annual air temperature ranges from 3,74 to 12,3 oC
Summary
Air temperature is characteristics of situation on of links of climatic system (atmosphere). The air temperature has a main role in the forming of atmosphere circulation, evaporation and moisture regime of territory. Clarifying and estimation of regularities of temporal distribution of air temperature has importance, especially for more accurate definition of thermal balance, for productive using of thermal resources. That is why the air temperature study is an important task and caught our attention. The purpose of this study is to solve the following tasks: to identify, analyze and evaluate the features of the territorial distribution of the mean annual air temperature, to estimate their time course over the past 80-90 years in different conditions of the Debed river basin. The work used the daily factual data of the «Center for Hydrometeorology and monitoring» of the Republic of Armenia for a period of 80 years and more (1930–2018) 6 meteorological stations
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