نتایج جستجو برای: unsustainable mann kendall test

تعداد نتایج: 824583  

Journal: :International Journal of Enviornment and Climate Change 2022

This study was carried out to analyse the trend analysis of long-term annual and seasonal rainfall pattern in Telangana state, India. For this monthly data state from January 1982 December 2021 collected NASA power website (https://power.Iarc.nasa.gov). The linear regression line non-parametric tests, such as Mann-Kendall test, Modified-Mann Kendall test Innovative were used understand present ...

Journal: :desert 2011
v. sheikh a. bahremand

in this paper trends of precipitation and stream flow are analyzed in the atrak river basin in the north khorasan province. normal score linear regression, mann-kendall, and seasonal kendall trend tests were adopted. three precipitation variables and two stream flow variables including total precipitation, maximum daily precipitation, and number of rainy days, mean discharge and peak discharge ...

Journal: :environmental resources research 2014
vahedberdi sheikh

hydrologic regime is highly dependent on climate change, as hydrologic cycle components are directly influenced by climatic conditions. this paper analyzes the impacts of climate change on the hydrologic regime of the atrak river basin in the northeast of iran. it drains to the caspian sea. the data collected at 11 hydrometeorological stations were examined to detect trends in hydroclimatologic...

Journal: Desert 2019

This study was an analytical research across 84 meteorological stations, performed in the Mighan sub-basin over a fifty-year study period (1961–2011).This research seeks to answer the basic question of how declining streamflow, increasing temperatures, and fluctuation in precipitation have impacted water resource allocation in the Mighan sub-basin. The research method is analytical based on Man...

2016
Yu Wang Qing-Ke Zhu Wei-Jun Zhao Huan Ma Rui Wang Ning Ai

Extensive vegetation restoration projects have been widely implemented on the Loess Plateau, China, since 1998. In addition, increasing attention has been paid to the influence of revegetation on soil water. However, the response of the soil water content (SWC) to vegetation construction and management has not been adequately studied. In this study, three types of typical artificial vegetation ...

Journal: :Sci 2021

This study investigates the trend in monthly and annual rainfall, minimum maximum temperature (Tmin Tmax) using Mann–Kendall (MK) test Sen’s slope (SS) method evaluates significance of their variability for maize, sorghum millet yields northern Togo employing multiple regression analysis. The historical data Kara, Niamtougou, Mango Dapaong weather stations from 1977 to 2012 were used. Four non-...

Journal: :ecopersia 2014
vahid feizi maryam mollashahi manochehr farajzadeh ghasem azizi

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم انسانی 1394

امروزه گرمایش جهانی و تأثیر آن بر عرصه های مختلف همانند کشاورزی، اقتصاد و انرژی مورد توجه پژوهشگران قرار گرفته است و یکی از اثرات گرمایش جهانی تغییرات در طول دوره ی رشد گیاهان است. هدف از این پژوهش بررسی پیامدهای تغییر اقلیم و تاثیر آن بر مراحل فنولوژیک درختان سیب شهرستان ارومیه می باشد. به همین منظور در این پژوهش ابتدا رخداد تغییر اقلیم برای دوره ی پایه (2008- 1988) در منطقه ی مورد مطالعه با ا...

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