Abstract
In this article are presented the results of studying the similarities and differences in the trends of changes of the agroclimatic conditions of the main viticulture zones of the Krasnodar region according to the data of the Temryuk, Anapa and Taman weather stations. The average values of heat and water supply indicators for two thirty-year (1961-1990, 1991-2020) and three twenty-year averaging periods (1961-1980, 1981-2000, 2001-2020) were obtained. Statistically significant changes in the average agroclimatic indicators were noted. The connection of the course of indicators between weather stations is determined, especially a close connection is noted in the indicators of Anapa and Temryuk. The values of linear trends in 1991-2020 for Anapa and Temryuk are calculated. Statistically significant trends are the growth of the accumulated air temperature above +10 °C in Anapa and Temryuk, a decrease in the moisture coefficient and an increase in the dryness index in Temryuk.
Highlights
IntroductionThe period 1961-1990 is considered a standard reference period and is used for long-term assessment of climate change
In this article are presented the results of studying the similarities and differences in the trends of changes of the agroclimatic conditions of the main viticulture zones of the Krasnodar region according to the data of the Temryuk, Anapa and Taman weather stations
The following indicators were selected for the study of agro-climatic conditions: the accumulated air temperature above +10 °C, the total precipitation for the period with air temperatures above +0 °C, +10 °C, April-October and annual precipitation, moisture availability parameters – Sapozhnikova’s Moisture coefficient (MC), Selyaninov’s hydrothermal coefficient (HTC) and Budyko’s dryness index (DI) [24]
Summary
The period 1961-1990 is considered a standard reference period and is used for long-term assessment of climate change. Climatological standard normals change every decade – the previous period was 1981-2010, currently the base climatic period should be compared with the last 30-year period of 1991-2020 [1]. The average climatological data for twenty-year periods are interesting, according to which it is possible to consider in more detail the changes that are not observed during longer averaging periods. Climate and its changes are important in many sectors of the economy, especially in agriculture: favorable changes carry an expansion of plantings and an increase in yield capacity, unfavorable ones cause the opposite consequences and a large anthropogenic load. There are several main directions of the studies of climate change in the scientific fields of viticulture and winemaking:
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