نتایج جستجو برای: using daily precipitation data

تعداد نتایج: 5031813  

2016
Min Xu Haidong Han Shichang Kang

Water resources provided by alpine glaciers are an important pillar for people living in the arid regions in the west of China. In this study, the HBV (Hydrologiska Byrans Vattenavdelning) light model was applied to simulate glacier mass balance and runoff in the Koxkar River Basin (KRB) on the south slope of Mt. Tumur, western Tianshan Mts.. Daily temperature and precipitation were calculated ...

Journal: :فیزیک زمین و فضا 0
سیده شیما پورعلی حسین دانشجوی کارشناسی ارشد رشته مهندسی کشاورزی – منابع آب، دانشگاه تهران، ایران علیرضا مساح بوانی دانشیار، گروه مهندسی آبیاری و زهکشی پردیس ابوریحان، دانشگاه تهران، ایران

one of the most important impact of climate change is reduction of precipitation in some areas including iran. hence, climate change studies are essential in these areas. besides, according to ipcc, some meteorological stations of iran, such as tabriz (capital of east azerbaijan province) have showed a downward trend in precipitation. therefore, east azerbaijan province was selected as the stud...

2014
Ricardo M. Trigo Filipa Varino Alexandre M. Ramos Maria A. Valente José L. Zêzere José M. Vaquero Célia M. Gouveia Ana Russo

*Correspondence: Ricardo M. Trigo, Instituto Dom Luiz (IDL), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Ed C8, Piso 3, 1749-016 Lisboa, Portugal e-mail: [email protected] The first week of December 1876 was marked by extreme weather conditions that affected the south-western sector of the Iberian Peninsula (IP), leading to an all-time record flow in two large international rive...

Introduction Because the occurrence of precipitation is directly related to the humidity in the atmosphere or precipitation systems, the study of humidity in the form of precipitable water and the transfer of water vapor is considered in atmospheric studies. Convergence Moisture flux is effective on precipitation, so its effect is much greater in the warmer months, especially in the lower at...

2014
Aaron Cuthbertson Elissa Lynn Mike Anderson

Climate change projections for California indicate reduction in the percentage of precipitation that falls as snow, and increase in the percentage that falls as rain, due to warmer temperatures in the future. Previous work has shown overall decreases in rainfall / snowfall ratios for the western US over the last 60 years. Of interest in this study is the quantification of snow/rain ratios for s...

2017
Qingfeng Li Guojing Yang Xiangzheng Deng

Alpine precipitation is an important component of the mountain hydrological cycle and may also be a determinant of water resources in inland river basins. In this study, based on field observation data of the upper Shule River and daily precipitation records of the Tuole weather station during 2009–2015, temporal distribution characteristics of alpine precipitation and their vertical differenti...

This study evaluates the ability of different quantitative mapping (QM) methods as a bias correction technique for ERA5 reanalysis precipitation data. Climate type and geographical location can affect the performance of the bias correction method due to differences in precipitation characteristics. For this purpose, ERA5 reanalysis precipitation data for the years 1989-2019 for 10 selected syno...

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