نتایج جستجو برای: pettitt test

تعداد نتایج: 812167  

Journal: :Water 2023

Coastal lagoons are recognized as specific and complex water bodies vulnerable to climate change. The focus of this study was the Curonian Lagoon, largest freshwater lagoon in Baltic Sea whole Europe. changes hydrometeorological parameters over six decades were evaluated using two periods climatological standard normal: most recent 30-year period, i.e., 1991–2020, period 1961–1990. Before stati...

Journal: :Water 2021

This paper characterizes non-indigenous fish species (NIS) and analyses both atmospheric sea surface temperatures for the Mediterranean coast of Egypt from 1991 to 2020, in relation previous reports same areas. Taxonomical characterization depicts 47 NIS Suez Canal (Lessepsian/alien) 5 Atlantic provenance. GenBank accession number mitochondrial gene, cytochrome oxidase 1, reproductive commercia...

2007
NIAL FRIEL

We illustrate how the recursive algorithm of Reeves & Pettitt (2004) for general factorizable models can be extended to allow exact sampling, maximization of distributions and computation of marginal distributions. All of the methods we describe apply to discrete-valued Markov random fields with nearest neighbour integrations defined on regular lattices; in particular we illustrate that exact i...

2006
Kasper K. Berthelsen Jesper Møller

With reference to a specific data set, we consider how to perform a flexible non-parametric Bayesian analysis of an inhomogeneous point pattern modelled by a Markov point process, with a location dependent first order term and pairwise interaction only. A priori we assume that the first order term is a shot noise process, and the interaction function for a pair of points depends only on the dis...

1998
A. A. Chialvo P. T. Cummings J. M. Simonson R. E. Mesmer

Molecular simulation of infinitely dilute NaCl aqueous solutions are performed to study the NarCl ion Ž . pairing in a polarizable and a non-polarizable solvent at supercritical conditions. The simple point charge SPC , the Pettitt–Rossky and the Fumi–Tosi models for the water–water, the ion–water, and the ion–ion interactions are used in the determination of the degree of dissociation, its tem...

Journal: :Proceedings of IAHS 2021

Abstract. L'objectif de cet article est faire une évaluation des tendances récentes grandeurs hydroclimatiques dans le bassin l'Ogooué en contexte changement climatique. Pour cela, les données pluies et débits ce ont été analysées au moyen du test Pettitt. Les résultats cette étude révèlent diminution statistiquement significative modules annuels que Pettitt situe 1972–1973, mais rien tel pour ...

Journal: :Han-gukbangjaehakoenonmunjip 2023

A heat wave countermeasure period was selected and operated to minimize the damage from waves in Korea. However, this date, there are no clear ideas methodology for selecting a period, resulting continuous budget expenditure incurred its preparation response activities. This requires an efficient selection of periods. study analyzed time series data trend index using Mann-Kendall Pettitt test c...

Journal: :Remote Sensing 2021

Rapid urbanization leads to changes in urban micro meteorology, such as the heat island effect and rain effect, which eventually brings about waterlogging other problems. In this study, data of precipitation, temperatures impervious surfaces with long series high resolution are used study Jinan City, China. MK-Sen’s slope estimator, Pettitt test Pearson correlation analysis quantitatively analy...

Journal: :Advances in transdisciplinary engineering 2022

Change of the environment, namely climate change and human activities, is influencing hydrological cycles globally. Nonstationary changes have been widely detected in precipitation series, which has significantly increased flood risk various areas. Taking Taihu Basin as typical study area, nonstationary characteristics are analyzed through Mann-Kendall trend test, Pettitt abrupt Sen’s slope est...

Journal: :Mausam 2023

Understanding rainfall and temperature’s spatio-temporal variations at the local, regional, global scale is vital for planning soil water conservation structures making irrigation decisions. The present investigation attempts to observe temperature variability trend over 31 years (1990-2020) in National Capital Region (NCR), Delhi, India, obtained from IARI meteorological station, Pusa, New Del...

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