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Mann-Kendall trend tests

Historical Trend Analysis of A Terai Himalayan District Of Nepal : A Case Study Sunil Shah* 1, Deepak Khare2 , P. K. Mishra 3, Lakhwinder Singh4

Historical Trend Analysis of A Terai Himalayan District Of Nepal : A Case Study Sunil Shah* 1, Deepak Khare2 , P. K. Mishra 3, Lakhwinder Singh4

... the trend of ...nonparametric tests. The Mann-Kendall Test for monotonic analysis of trend together with non-parametric Sen‟s Slope Estimator was used to estimate the magnitude of ...

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Mann Kendall, and Sen’s Slope Estimators for Precipitation Trend Analysis in North Eastern States of India

Mann Kendall, and Sen’s Slope Estimators for Precipitation Trend Analysis in North Eastern States of India

... parametric Mann-Kendall, and Sen’s slope estimators over north-eastern region of ...non-parametric tests have been tested at the 5% level of ...non-parametric tests were applied at eight ...

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Effect of Short- and Long-term Memory on Trend Significancy of Mean Annual Flow by Mann-Kendall Test

Effect of Short- and Long-term Memory on Trend Significancy of Mean Annual Flow by Mann-Kendall Test

... a trend is or is not occurring and where a trend might be occurring ...statistical tests to manifest trend in time series. However, among them, Mann-Kendall is more widely used, ...

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Temperature Trend Detection in Upper Indus Basin by Using Mann-Kendall Test

Temperature Trend Detection in Upper Indus Basin by Using Mann-Kendall Test

... This method tests whether the medians in two different periods are different. It is a nonparametric test. To compute the rank- sum test statistic: Rank all the data, from 1 (smallest) to N (largest). In the case ...

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Statistical Analysis for Assessing Randomness, Shift and Trend in Rainfall Time Series under Climate Variability and Change: Case of Senegal

Statistical Analysis for Assessing Randomness, Shift and Trend in Rainfall Time Series under Climate Variability and Change: Case of Senegal

... or trend in ...statistical tests for randomness (Kendall and Spearman rank correlation tests), shift (Pettitt and Buishand tests; Lee-Heghinian and Hu- bert procedures) and trend ...

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Analysis of annual and seasonal rainfall trend and variability at 
		Sylhet 
		region in Bangladesh

Analysis of annual and seasonal rainfall trend and variability at Sylhet region in Bangladesh

... nonparametric tests [2-4].Parametric tests are more powerful statistical method requires that data be self-determining and normally distributed, which is rarely true for time series data ...nonparametric ...

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Trend and change of annual rainfall in 
		East Java

Trend and change of annual rainfall in East Java

... rainfall trend in East ...Median-Crossing, Mann-Kendall, and Rank-Sum Test) are used forthe ...positive trend of annual rainfall over the two ...significant trend, this study also ...

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Investigation of Trend of Precipitation Variation Using Non-Parametric Methods in Charmahal O Bakhtiari Province

Investigation of Trend of Precipitation Variation Using Non-Parametric Methods in Charmahal O Bakhtiari Province

... using Mann-Kendall ...increasing trend (at probability level of 5%) in Aghajanblaghy, Toiserkan and Ghahavand and for other it was ...significant trend with increasing and decreasing ...the ...

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Investigation of Trend of Precipitation Variation Using Non-Parametric Methods in Charmahal O Bakhtiari Province

Investigation of Trend of Precipitation Variation Using Non-Parametric Methods in Charmahal O Bakhtiari Province

... the Mann-Kendall test more than 81% of stations had no significant trend at probability level 95 and 99% and only Sepid dasht station which has been located in eastern parts of province had ...

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Trends in floods in West Africa: analysis based on 11 catchments in the region

Trends in floods in West Africa: analysis based on 11 catchments in the region

... the MannKendall test, and breaks were also detected with the Pettitt ...same tests were also applied to the subperiod time series for each flood index and the subseries were found to be station- ...

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Time series trend analysis of temperature and rainfall in lake Tana Sub-basin, Ethiopia

Time series trend analysis of temperature and rainfall in lake Tana Sub-basin, Ethiopia

... climate trend analysis of the study ...the trend analysis and to con- sider the seasonal component of rainfall at the same ...a trend of time series, MannKendall trend test was ...

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A New Statistical Approach to Assess Climate Variability in the White Bandama Watershed, Northern Côte d’Ivoire

A New Statistical Approach to Assess Climate Variability in the White Bandama Watershed, Northern Côte d’Ivoire

... The Mann-Kendall statistical test lets us know the trends sig- nificance and the Kendall-Theil Robust Line test reveals their ...the Mann-Kendall statistical test to assess the ...

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Characteristics and risk assessment of agricultural meteorological disasters based on 30 years’ disaster data from Heilongjiang Province of China

Characteristics and risk assessment of agricultural meteorological disasters based on 30 years’ disaster data from Heilongjiang Province of China

... In this study, the characteristics of four types of agricultural meteorological disasters (drought, flooding, hailstorms and freezing) were analyzed based on disaster data related to agricultural meteorological disasters ...

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Application of sequential mann kendall test for detection of approximate significant change point in surface air temperature for kolkata weather observatory, West bengal, India

Application of sequential mann kendall test for detection of approximate significant change point in surface air temperature for kolkata weather observatory, West bengal, India

... the trend analysis and change point detection for any meteorological parameter owe to active lines of investigation that seeks to identify the climate change in a particular ...sequential ...

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Trend Analysis of Annual and Seasonal Rainfall in Tawa command Area

Trend Analysis of Annual and Seasonal Rainfall in Tawa command Area

... rainfall trend is essential for agriculture future as the sense and awareness of trend and variability of rainfall can contribute help to supply supplemental water for crops during their critical growth ...

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Rainfall statistics changes in Sicily

Rainfall statistics changes in Sicily

... The MannKendall test, which has been applied to each time series, has demonstrated that no trend exists for such series, denoting a stationary ...

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Trend Analysis of Rainfall in Ganga Basin, India during 1901 2000

Trend Analysis of Rainfall in Ganga Basin, India during 1901 2000

... increasing trend of annual rain in Ganga ...increasing trend in rainfall over Ganga, In- dus, Brahmaputra, Krishna and Cauvery ...increasing trend in summer monsoon over western Indo-Gangetic plains ...

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Non-parametric Mann-Kendall Test Statistics for Rainfall Trend Analysis in Some Selected States within the Coastal Region of Nigeria

Non-parametric Mann-Kendall Test Statistics for Rainfall Trend Analysis in Some Selected States within the Coastal Region of Nigeria

... the trend is the ability to establish whether a change or trend is present in the climatological record and to quantify this trend if it is ...The trend in a time series data can be expressed ...

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Recent trends and variability in river discharge across northern Canada

Recent trends and variability in river discharge across northern Canada

... This study provides an update on the recent variability and trends in river discharge across northern Canada. In con- trast to previous studies (e.g. Déry and Wood, 2005; McClel- land et al., 2006), we have reported a ...

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Precipitation trends in Victoria, Australia

Precipitation trends in Victoria, Australia

... mine annual rainfall trends using the non-parametric Mann-Kendall MK and Sen's slope Q trend tesb at five selected meteorological stations with long historical records; 2 explore whether[r] ...

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