نتایج جستجو برای: using daily precipitation data

تعداد نتایج: 5031813  

2016
Chan Xiao Peili Wu Lixia Zhang Lianchun Song

Global warming increases the moisture holding capacity of the atmosphere and consequently the potential risks of extreme rainfall. Here we show that maximum hourly summer rainfall intensity has increased by about 11.2% on average, using continuous hourly gauge records for 1971-2013 from 721 weather stations in China. The corresponding event accumulated precipitation has on average increased by ...

2006
Bin Wang Qinghua Ding Jong-Ghap Jhun

[1] Precipitation data for Seoul, Korea, have been recorded since 1778, representing one of the world’s longest instrumental measurements of daily precipitation. Trends in summer precipitation amount, intensity, and indices of climate extremes are studied. The detected trends were tested using trend-to-noise ratio test, nonparametric Mann– Kendall rank statistic and Monte Carlo simulation proce...

Journal: :پژوهش های جغرافیای طبیعی 0
بهروز سبحانی دانشیار دانشکدة علوم انسانی، دانشگاه محقق اردبیلی مهدی اصلاحی دانشجوی دکتری آب و هواشناسی، دانشگاه محقق اردبیلی و کارشناس آمار و کنترل داده های مرکز تحقیقات هواشناسی کاربردی تبریز ایمان بابائیان استادیار پژوهشکدة اقلیم شناسی، سازمان هواشناسی کشور، مشهد

introduction linking resolution global climate models to local scale as a micro climatic process is a significant issue. recently, attempts have been made by the climatology scientists to develop dynamics and statistical downscaling methods to express climate change at a local and regional scale. two general techniques are been used for downscaling of the output of general circulation models (g...

2003
Xiaohua Lin Jason E. Smerdon Anthony W. England Henry N. Pollack

[1] Temperature changes at the Earth surface propagate into the subsurface and leave a thermal signature in the underlying soil and rock. Inversions of subsurface temperature measurements yield reconstructions of ground surface temperature (GST) histories that provide estimates of climatic changes. A question remaining in the interpretation of reconstructed GST histories is the extent to which ...

2007
M. C. Todd T. J. Bellerby

This paper describes a new high-resolution multi-platform multi-sensor satellite rainfall product for Southern Africa covering the period 1993-2002. The Microwave Infra-Red Algorithm (MIRA) employed to generate the rainfall estimates combines high spatial and temporal resolution Meteosat infrared data with infrequent Special Sensor Microwave Imager (SSM/I) overpasses. A transfer function relati...

2017
R. Barbero H. J. Fowler S. Blenkinsop

Although it has been documented that daily precipitation extremes are increasing worldwide, faster increases may be expected for subdaily extremes. Here after a careful quality control procedure, we compared trends in hourly and daily precipitation extremes using a large network of stations across the United States (U.S.) within the 1950–2011 period. A greater number of significant increasing t...

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