نتایج جستجو برای: mann kendall
تعداد نتایج: 22938 فیلتر نتایج به سال:
En esta investigación se analizaron series de 40 años precipitaciones y temperatura las estaciones meteorológicas la sierra el oriente del Ecuador desde 1980 a 2019. Al considerar variabilidad en estaciones, fue posible establecer tendencias hacia aumento o disminución lo largo tiempo. Las fluctuaciones datos comparativos mostraron una comportamiento; por ello, mismas estuvieron sometidas prueb...
Wetlands as one of the most important and most valuable natural ecosystems in the world play an important role in filtering pollutants and reduce dust, creating a favorable microclimate, biodiversity and genetic and organic materials reservoirs. In central part of Iran, climatic and human factors have created significant differences between dry and wet surfaces of Gavkhooni wetland in recent de...
Drought is one of the natural phenomena which occurs in all climates in different parts of the world. Iran is located in the dry belt of the world. The increase of desertification, drought reoccurrence, and destruction by human in this geographical region needs more studies on spatial and temporal trend of rainfall. In this study, trends of climatic drought during 1975-76/ 2004-05 in seasonal a...
هدف از این مطالعه رفتار سنجی دبی های حداقل با دوره های زمانی متفاوت بر روی حوضه آبریز کرخه می باشد. در این راستا 12 ایستگاه هیدرومتری با دوره آماری 51 (1387-1337) سال انتخاب شد ودبی های حداقل7 روزه به صورت فصلی بررسی شدند که تعیین فصل ها با استفاده از روش خوشه بندی انجام شد. دبی های حداقل با دوره طولانی تر به صورت سالانه بررسی شدند. جهت تشخیص روند کلی از آزمون من کندال (mann-kendall) و برای تشخ...
Background: Addressing and removing explainable patterns from syndromic data is required to timely detection of outbreaks. This study aims to detect and remove explainable patterns of fever and neurological symptoms syndrome as suspected meningitis which has been occurred in Hamadan province. Methods: We analyzed data on reported cases of suspected meningitis in Hamadan province, betwe...
In this paper, the variation of temperature and rainfall at Patna are analysed using simple non-parametric tests. The trends in annual maximum minimum daily temperatures, rainfall, number rainy days a year, average per day ratio to have been examined. Tends total monthly Highest month also determined for every year. data Mann-Kendall test indicated statistically significant changes pattern city.
Malaria and dengue are the two major vector-borne diseases in Mizoram. is endemic Mizoram, was first reported only 2012. The study designed to impact of climate variables, deforestation on incidence malaria Temperature, rainfall, humidity data Mizoram monsoon period (May-September) from 1979 2013 were obtained National Centers for Environmental Prediction Climate Forecast System Reanalysis. For...
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