Abstract
Global warming is an unanimously accepted phenomenon by the international scientific community, being already highlighted by the analysis of observational data over long periods of time, with an increase in temperature of over 1 °C. Climate change in Romania is part of the global context, taking into account the regional conditions, with an increasing trend of arid summer. While the link between high temperatures, climate change and rainfall has been modeled in detail, the situation is not the same for plant water accessibility. The period of time between 1898 and the present, corresponding to the annual records of precipitation and evapotranspiration, overlapped with important political and administrative changes in the studied area, and with extensive hydro-amelioration works. The aim of the paper is to statistically follow the evolution over time of precipitation, namely of evapotranspiration measured in Western Romania, which would allow the expression of conclusions regarding the improvement directions of the water regime. In order to follow the evolution in time of these data, the interval of 1898–2019 was divided into three periods: 1898–1950, 1951–1989 and 1990–2019, respectively. The increase in temperature, especially during the vegetation period and the large number of years in which evapotranspiration quantitatively exceeds the precipitation, indicating the need for effective measures to regulate the water balance.
Highlights
The general effects of climate change on freshwater resources have direct negative repercussions for the water circuit [1,2,3]
Climate change in the Banat Plain was highlighted by studying the evolution of temperature Climate change in the Banat Plain was highlighted by studying the evolution of temperature and precipitation recorded at the Regional Meteorological Center Banat-Crisana, the station with and precipitation recorded at the Regional Meteorological Center Banat-Crisana, the station with the the oldest records in western Romania
The temperature was recorded over a period of 122 years oldest records in western Romania
Summary
The general effects of climate change on freshwater resources have direct negative repercussions for the water circuit [1,2,3] These negative effects are observed by changing their distribution around the globe, such as the fall area, their quantity, as well as their distribution over time (vegetation period, cold period of the year). These changes in the water circuit in nature, as a consequence of climate change, have a stronger impact than global warming [4,5]. Most of Agriculture 2020, 10, 437; doi:10.3390/agriculture10100437 www.mdpi.com/journal/agriculture
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