نتایج جستجو برای: precipitation intensity

تعداد نتایج: 237579  

Journal: :Journal of Advances in Modeling Earth Systems 2021

A fundamental issue when evaluating the simulation of precipitation is difficulty quantifying specific sources errors and recognizing compensation errors. We assess how well a large ensemble high-resolution simulations represents associated with strong cyclones. propose framework to breakdown according different dynamical (vertical velocity) thermodynamical (vertically integrated water vapor) r...

Journal: :Water 2022

Hazardous surface processes such as floods and mass movements are often induced by a common trigger extreme precipitation. The relationship between the intensity of hazard is generally assumed to be monotonically increasing (increasing precipitation never decreases intensity). validity this assumption complex multi-hazard events has not been thoroughly investigated. In research, cumulative was ...

بابک نصر, , جمشید عمیقیان, , مرتضی مظفری, ,

 Phase formation of manganese ferrite prepared by co-precipitation method is studied at different annealing temperatures. It is shown that the spinel phase is formed by quenching only in inert gas. XRD patterns show that the background picks fall in intensity by increasing annealing temperature and the single phase is achieved by magnetic separation.

امین, پیمان, ملکی نژاد, حسین,

In this study, to evaluate and comparing of drought and wet occurrences, Annual rainfall data related to a 60-year period were used for Kermanshah, Kordestan, Kerman and Yazd provinces. Among the different drought indices, the precipitation-based indices such as, Standardized Precipitation Index (SPI), Percent of Normal Precipitation Index (PNPI), Z-Score Index (ZSI) and Nitzche model were used...

2017
H. J. van Meerveld E. J. Baird W. C. Floyd

Unpaved resource roads have the potential to produce large amounts of sediment and can negatively impact water quality and aquatic ecology. In order to better understand the dominant controls on sediment generation from unpaved resource roads, we did 23 large-scale rainfall simulation experiments on a road section in the Honna Watershed, Haida Gwaii, British Columbia, Canada. The experiments we...

Journal: :Remote Sensing 2023

This study evaluates the representativeness of two widely used next-generation global satellite precipitation estimates data for short-term over China, namely from Climate Prediction Center morphing (CMORPH) and Global Precipitation Measurement (GPM) mission. These sets were compared with hourly liquid in-situ China national surface stations 2016 to 2020. The results showed that GPM has better ...

Journal: :آب و خاک 0
غضنفری مقدم غضنفری مقدم علیزاده علیزاده موسوی بایگی موسوی بایگی فرید حسینی فرید حسینی بنایان اول بنایان اول

abstract precipitation as the most important factor plays the main role in many application researches which are based on climatic parameters. many researches in the field of hydrology, hydrometeorology and agriculture employs rain-gauges (such as synoptic and climatologic stations) data. precipitation characteristics, such as rainfall intensity and duration, usually exhibit significant spatial...

2009
Jie Chen Xun-chang Zhang Wen-zhao Liu Zhi Li

Climate generator (CLIGEN) is widely used in the United States to generate long-term climate scenarios for use with agricultural systems models. Its applicability needs to be evaluated for use in a new region or climate. The objectives were to: (1) evaluate the reproducibility of the latest version of CLIGEN v5.22564 in generating daily, monthly, and yearly precipitation depths at 12 stations, ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Paul A O'Gorman Tapio Schneider

Global warming is expected to lead to a large increase in atmospheric water vapor content and to changes in the hydrological cycle, which include an intensification of precipitation extremes. The intensity of precipitation extremes is widely held to increase proportionately to the increase in atmospheric water vapor content. Here, we show that this is not the case in 21st-century climate change...

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