Results 11 to 20 of about 74,768 (221)

TIME SERIES TRENDS OF STREAMFLOW AND RAINFALL IN THE SANTO ANTÔNIO RIVER BASIN, BRAZIL [PDF]

open access: yesEngenharia Agrícola, 2021
Detecting trends in streamflow and rainfall series can have great significance for proper water resource management. Thus, the objective of this study was to analyze the trends of historical streamflow and rainfall series using nonparametric statistical ...
Fernanda L. V. Ferreira   +4 more
doaj   +1 more source

Rainfall Trend analysis using Mann-Kendall and Sen’s slope test estimation - A case study [PDF]

open access: yesE3S Web of Conferences, 2023
In order to analyze the changing pattern of rainfall in one of the important district in Kerala, this study concentrated on a crucial meteorological variable: precipitation.
Sudarsan Gayathri, Lasitha A.
doaj   +1 more source

Long-term trend analysis of extreme climate in Sarawak tropical peatland under the influence of climate change

open access: yesWeather and Climate Extremes, 2023
Extreme climate is one of the important variables which determine the capability of tropical peatland to act as either carbon sink and/or carbon source.
Zulfaqar Sa'adi   +5 more
doaj   +1 more source

Identifying Hot Information Security Topics Using LDA and Multivariate Mann-Kendall Test

open access: yesIEEE Access, 2023
Discovering promising research themes in a scientific domain by evaluating semantic information extracted from bibliometric databases represents a challenging task for Natural Language Processing (NLP).
Christian-Daniel Curiac, Mihai V. Micea
doaj   +1 more source

Precipitation trends analysis by Mann-Kendall test: a case study of Paraíba, Brazil [PDF]

open access: yesRevista Brasileira de Meteorologia, 2020
This work aimed to select semivariogram models to estimate trends in monthly precipitation in Paraiba State-Brazil using ordinary kriging. The methodology involves the application of geostatistical interpolation of precipitation records of 51 years from ...
Sílvio Fernando Alves Xavier Júnior   +4 more
doaj   +1 more source

Are precipitation characteristics and patterns impacting oak trees decline in the Zagros region of western Iran? [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2023
The objective was to investigate if changes in annual, monthly, and seasonal precipitation are associated with emergence of declining oak trees in Iran.
Pedram Attarod   +7 more
doaj   +1 more source

Assessment Method for Urban Energy Carbon Emission Peak Based on Mann-Kendall Trend Test

open access: yesShanghai Jiaotong Daxue xuebao, 2023
Energy is an important component of urban carbon emissions. Assessing the peak of urban energy carbon is a necessary means to implement the national “double carbon” strategy. For this reason, this paper proposes an energy carbon peaking assessment method
CHEN Yun, SHEN Hao, WANG Xiaohui, ZHAO Wenkai, PAN Zhijun, WANG Jiayu, LI Siyuan, HAN Dong
doaj   +1 more source

Assessment of long-term trends and mapping of drought events in Tunisia

open access: yesScientific African, 2023
Drought is one of the most common natural disasters, affecting ecosystems, agricultural production, and water supplies. This study presents the trend analysis of annual rainfall and the effect of climate variation in Tunisia.
Mostafa Abd El-Hameed Mohamed   +3 more
doaj   +1 more source

Trend analysis of climatic variables in an arid and semi-arid region of the Ajmer District, Rajasthan, India

open access: yesJournal of Water and Land Development, 2016
In the present study, trends and variations in climatic variables (i.e. rainfall, wet day frequency, surface temperature, diurnal temperature, cloud cover, and reference and potential evapotranspiration) were analyzed on seasonal (monsoon and non-monsoon)
Pingale Santosh M.   +3 more
doaj   +1 more source

Removing the influence of the serial correlation on the Mann-Kendall test

open access: yesRevista Brasileira de Meteorologia, 2014
The Pre-Whitening (PW), the Trend-Free Pre-Whitening (TFPW) and the Modified Trend-Free Pre-Whitening (MTFPW) were developed to remove the influence of serial correlations on the Mann-Kendall trend test.
Gabriel Constantino Blain
doaj   +1 more source

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