This study aims to analyze the stationariety and homogeneity of rainfall streamflow series contribution basin Castro Alves Hydroeletric Power Plant, in Southern Brazil. The data were acquired from Agência Nacional de Águas, average was calculated for period 1945 2017. Operador do Sistema Elétrico covering a analysis performed complete two periods obtained same, referring before after 1970. Six ...

Abstract In this study, the runoff data from 12 representative stations in Yellow River 2005 to 2020 is utilized, and Mann-Kendall trend test used examine changes observed of River. The results show that annual has grown upper reaches gradually reduced along river flow direction. It because mainly affected by precipitation human activities. addition, mutation each hydrological station not consi...

With ongoing climate change, analysis of trends in maximum annual daily river flow is interest. Flow magnitude and timing during the year were investigated this study. Observations from 11 unregulated rivers northern Sweden analysed, using extreme-value distributions with time-dependent parameters. The Mann–Kendall test was used to investigate possible trends. statistics revealed no significant...

In recent decades, an increase in the number of extreme flood events as well drought has been observed Slovenia. This rise need for a comprehensive analysis trends discharge data series. study, statistical seasonal and annual mean, maximum, low values were investigated using Mann Kendall test. The results show temporal spatial variability discharge. general, decreasing trend water quantities ri...

Global climate change can have significant impacts on different geographical regions. It is very important to analyze the changes in temporal and spatial precipitation patterns. In this study, monthly yearly values Turkey were examined by combining nonparametric Mann-Kendall rank correlation test Getis-Ord G clustering test. The study was carried out integrating compiling data formats related y...

Three timescale i.e. monthly, seasonal and annual rainfall data of Bundelkhand region, Central India, was analyzed for 40 years (1981-2020). The mean average the region ranges between 657.7 mm 1146.4 studied period with month August receiving highest amount rainfall. receives about 90 % its during South West Monsoon from June to September. Temporal trend different analysed using nonparametric M...

Sabarmati basin in India has been experiencing decreased rainfall since 1960s. In the monsoon season, maximum reduction number of rainy days was observed basin. Thus, study is necessary. Therefore, gridded data corresponding to annual, seasonal and monthly temporal scales used for trend analyses period 54 years’ (1951 2004) through application Mann-Kendall (MK) test, MK test with block-boot str...

Consistency and trend in the Northeast and Southwest monsoon rainfall of Tamil Nadu have been studied utilizing the data for the 60-year period from 1941 to 2000. It is seen that both the Northeast and Southwest monsoon rainfall of Tamil Nadu is consistent in double mass curve analysis method. Frequency distribution of Northeast and Southwest monsoon rainfall of Tamil Nadu is normal. Decreasing...