نتایج جستجو برای: kendall trend tests
تعداد نتایج: 454958 فیلتر نتایج به سال:
The analysis of variability and trends rainfall can be used to assist better decision for climate risk agricultural water management. This study makes an attempt evaluate the trend annual, seasonal monthly 19 stations Ajmer district, Rajasthan based on 44 year’s data (1973-2016). Non-parametric Mann-Kendall (MK), Modified (mMK) Spearman’s rho (SR) tests were achieve if there was increasing or d...
Karacaören-II Dam Lake is located on Aksu Stream within the borders of Burdur. The lake planned to be a drinking water supply for Antalya in near future. Some scientific studies carried out recent years stated that suffers from eutrophication problem due pressures basin.
 This study examined relationships between selected quality parameters (BOD5, DO, pH, NH4-N, NO2-N, NO3-N, TKN, TN, o-PO...
Introduction Vegetation cover is an important indicator in the arid and semi-arid areas and plays an important role in balancing the ecosystems. Monitoring vegetation cover changes is of great importance because of vegetation effects on the environment. This monitoring provides detailed quantitative and qualitative information. It is therefore important to monitor dynamic changes in vegetatio...
There has been a growing interest in large-scale sharedmemory multiprocessors that support a wide range of application workloads. The architectural trend of such systems has been towards a distributed architecture, where processors, memory modules, and I/O modules are distributed throughout the machine, connected by some form of interconnect (rings, meshes, trees). Examples include the Stanford...
Extreme temperature of several stations in Malaysia is modelled by fitting the monthly maximum to the Generalized Extreme Value (GEV) distribution. The Mann-Kendall (MK) test suggests a non-stationary model. Two models are considered for stations with trend and the Likelihood Ratio test is used to determine the best-fitting model. Results show that half of the stations favour a model which is l...
Buharlaşma miktarındaki değişimin doğru bilinmesi, su kaynaklarının yönetimi, ile ilgili yapıların tasarlanması ve eylem planlarının hazırlanması için önemlidir. Bu çalışmada, Türkiye’nin önemli tarımsal alanlarını barındıran Güneydoğu Anadolu Bölgesi’ndeki Gaziantep, Şanlıurfa Mardin istasyonlarına ait aylık toplam tava buharlaşması verilerinin trendleri, parametrik olmayan Mann-Kendall (MK) t...
In the revised manuscript we present improved examinations of the eventual link between air pressure variation and radon signals at the site. This was done by analysis in: a) the time domain by presenting statistical tests (Kendall rank test) of the relation between pressure and radon and the gradient of pressure and radon. b) the frequency domain – by presenting spectra of pressure and radon c...
Bu çal??mada Ye?il?rmak havzas?nda bulunan 7 adet ak?m gözlem istasyonuna ait ayl?k ve y?ll?k zaman periyodundaki kurakl?k indekslerinin (AK?) trend analizi yap?lm??t?r. Kurakl?k trendlerinin ortaya ç?kar?lmas?nda Mann-Kendall (MK), Yenilikçi ?en Yöntemi (Y?Y) Thiel Yakla??m? (T?Y) kullan?lm??t?r. ?çsel ba??ml?l??? AK? serilerine MK testi uygulanmadan önce trend-free pre-whitening (ön ar?nd?rma...
analysis of the spatial and temporal trends of precipitation and temperature are pertinent for future development and sustainable management of water resources in a given region. in this paper, we present a study concerning the climatic behavior of two principal observables variables, viz. monthly temperature (maximum and minimum) and mean precipitations obtained from the measurements carried o...
The trend of river discharge changes in arid and semi-arid regions is mostly decreasing and this trend can be influenced by climatic factors and rising temperatures in recent decades in these areas. This reduction in discharge could have a significant impact on the water storage of the Nahrin Dam and agriculture, industry and drinking water in Tabas City, which should be considered by experts. ...
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