نتایج جستجو برای: kendall trend tests

تعداد نتایج: 454958  

2001
Michael T. Hobbins Jorge A. Ramírez Thomas C. Brown

The hypothesis of a complementary relationship in regional evapotranspiration allows for estimation of actual evapotranspiration on a regional scale by simple, physically based models that take into account feedbacks in land surface-atmosphere dynamics. A regional, seasonal Advection-Aridity model is used to create a monthly time-series of actual evapotranspiration for a period of 27 years at a...

Journal: :Results in Mathematics 2023

Abstract This paper deals with the generalized convolutions connected Williamson transform and maximum operation. We focus on such which can define transition probabilities of renewal processes. They should be monotonic since described time or destruction does not go back, it admit existence a distribution lack memory property because analog Poisson process shall exist. Another valuable is simp...

Journal: :تحقیقات جغرافیایی 0
بهلول علیجانی بهلول علیجانی پیمان محمودی محمد سلیقه محمد سلیقه اله بخش ریگی چاهی

in this investigation, using mann – kendall graphical-statistical test, which is one of the proposed methods of world meteorological organization (wmo) for time series analysis, the change trend of long – term mean of annual minimum and maximum temperatures in iran will be studied. to evaluate this trend and access a suitable pattern in this situation, average of annual minimum and maximum ...

Journal: :Research quarterly for exercise and sport 1992
G L Hall R K Hetzler D Perrin A Weltman

Article: Sit-up tests have been included in most youth and adult fitness test batteries. One logical reason for their inclusion is the possible relationship between poor abdominal strength and the incidence of low back pain. Therefore, a number of timed field tests have been proposed to measure abdominal function. However, the published data on the validity of field test measures are sparse. Th...

Journal: :مدیریت آب و آبیاری 0
حسین انصاری دانشیار گروه مهندسی آب، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد - ایران محمد نادریان فر دانشجوی دکتری تخصصی گروه مهندسی آب، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد - ایران

in recent decades, neyshabour basin as a semi-arid climate has faced with dramatic increasing of groundwater withdrawal. so, water demand management is important in this basin. in this study, the effects of evapotranspiration and rainfall on groundwater fluctuations have been considered with 22 rain gage and evaporation gage station data during 1973-2006. the average amount of rainfall and evap...

Journal: :Annals of the rheumatic diseases 1974
A M Hilton B E Boyes P J Smith J Sharp I W Dymock

It is well established that hepatic abnormalities may occur in patients with rheumatoid arthritis (RA) and other connective tissue disorders and these changes have usually been attributed to the systemic nature of the underlying disease process. Abnormalities reported include minor derangements of liver function (Movitt and Davis, 1953) and other abnormalities which have been related to the sev...

Considering the vast application of sea surface temperature in climatic and oceanic investigations, this parameter was studied in Oman Sea from 1986 to 2015. The SST was surveyed using trend analysis and Global and local Moran’s I spatial autocorrelation. In trend analysis, the Mann-Kendall test was used to determine the trend of SST changes and the Sen's Estimator method was used to examine th...

Journal: :Atmosphere 2021

The Mediterranean Basin, located in a transition zone between the temperate and rainy climate of central Europe arid North Africa, is considered major hotspot change, subject to water scarcity drought. In this work, dry wet spells have been analyzed Wadi Cheliff basin (Algeria) by means annual precipitation observed at 150 rain gauges period 1970–2018. particular, characteristics (frequency, du...

Journal: :Nature 1957

Journal: :Physics Today 2000

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