1Vietnam Meteorological and Hydrological Administration
2HaNoi University of Natural Resources and Environment
3Vietnam Institute of Meteorology, Hydrology and Climate change
In this study, we focus on the findings of the indicators of climate change across the SouthCentral region based on assessing the trends of temperature (mean, maximum and minimum) and rainfall as well as drought conditions. The change trends of climatic variables are tested by the simple linear method at significance level of 0.05 (corresponding to the 95% confidence level). The observation data is updated up to 2017. The results show that the annual mean temperature tends to increase at 15 stations, where, the increase in temperature in the dry season is greater than that in rainy season. The increases in annual temperature are mostly from 0.01 to 0.03 per year and accepted by the 90% confidence level. The increase trends of annual rainfall are mostly from 0.1 to 1.35% per year. The A index is mostly found by increase trend that the wet condition is found at most station. In addition, the increase trend of the drought condition defined by the decrease trend of the A index at some southern stations in the SouthCentral region. However, the trends of both rainfall and A index are not mostly at significance level of 0.05.
Cite this paper
Tran Hong Thai, Hoang Anh Huy, Nguyen Dang Mau, Hoang Van Dai
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