نتایج جستجو برای: precipitation data

تعداد نتایج: 2454931  

Journal: :IOP conference series 2021

Assessing changes in extreme hydroclimatic phenomena requires accurate precipitation estimates with high temporal and fine spatial resolutions. Significant differences were obtained between reanalysis data observations at weather stations. Bias correction method applied to ERA5 total product resolution 0.25×0.25 ° is reported the present paper improve reproducibility of local conditions. Hourly...

Journal: Desert 2006
N. Yusefi S. Hajjam

Meteorological stations usually contain some missing data for different reasons.There are several traditional methods for completing data, among them bivariate and multivariate linear and non-linear correlation analysis, double mass curve, ratio and difference methods, moving average and probability density functions are commonly used. In this paper a blended model comprising the bivariate expo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم انسانی 1386

چکیده ندارد.

2015
SiWei He ZhuoTong Nan YuTing Hou

As an important forcing data for hydrologic models, precipitation has significant effects on model simulation. The China Meteorological Forcing Dataset (ITP) and Global Land Data Assimilation System (GLDAS) precipitation data are the two commonly used data sources in the Heihe River Basin (HRB). This paper focused on evaluating the accuracy of these two precipitation datasets. A set of metrics ...

The function of precipitation intensity-duration-frequency is needed for the planning and design of water resource projects. Short duration precipitation data are hardly available. However the total hourly-recorded available precipitation data for different parts of NWFP from different departments have been collected and analyzed for the present study. The data from WAPDA is found to be more au...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 2011

  In recent decades, satellite and model- based precipitation products has attracted attention of the scientists and researchers in hydrology and other disciplines. The purpose of this research is quantitative comparison of MERRA and GPM satellite precipitation products with ground station precipitation values as reference data in Kashafrud basin. The important point about these data is their ...

Journal: :Journal of Japan Society of Hydrology and Water Resources 1992

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