نتایج جستجو برای: intensity of rainfall

تعداد نتایج: 21177509  

Journal: :ISPRS Int. J. Geo-Information 2017
Chun-Hung Wu

This study analyzed the characteristics of, and locations prone to, extreme rainfall-induced landslides in three watersheds in Taiwan, as well as the long-term evolution of landslides in the Laonong River watershed (LRW), based on multiannual landslide inventories during 2003–2014. Extreme rainfall-induced landslides were centralized beside sinuous or meandering reaches, especially those with l...

2017
Joanna P. Siwek Mirosław Żelazny Janusz Siwek Wojciech Szymański

The purpose of the study was to determine the role of land use, seasonality, and hydrometeorological conditions on the relationship between stream water potassium (K+) concentration and discharge during different types of floods-short- and long-duration rainfall floods as well as snowmelt floods on frozen and thawed soils. The research was conducted in small catchments (agricultural, woodland, ...

2014
Francesco De Paola Maurizio Giugni Maria Elena Topa Edoardo Bucchignani

Changes in the hydrologic cycle due to increase in greenhouse gases cause variations in intensity, duration, and frequency of precipitation events. Quantifying the potential effects of climate change and adapting to them is one way to reduce urban vulnerability. Since rainfall characteristics are often used to design water structures, reviewing and updating rainfall characteristics (i.e., Inten...

Journal: Desert 2010
a. bahremand h. barani m. mesdaghi m. sharafatmandrad

Abstract The impact of rainfall and light interception by litter on maintenance of surface soil water content is determined in an arid rangeland in Khabr National Park in south-east of Iran. Litter weight sampling is done by 90 square plots, each 1 m2, that are randomly placed within site. After determining the intensity of a typical storm of the region (20 mm/h), the rainfall duration requir...

Journal: :desert 0
m. sharafatmandrad m.sc. student, gorgan university of agricultural sciences and natural resources a. bahremand assistant professor, gorgan university of agricultural sciences and natural resources m. mesdaghi professor, gorgan university of agricultural sciences and natural resources h. barani assistant professor, gorgan university of agricultural sciences and natural resources

abstract the impact of rainfall and light interception by litter on maintenance of surface soil water content is determined in an arid rangeland in khabr national park in south-east of iran. litter weight sampling is done by 90 square plots, each 1 m2, that are randomly placed within site. after determining the intensity of a typical storm of the region (20 mm/h), the rainfall duration required...

2001
R. L. Wilby

Annual series of three stochastic rainfall model parameters — the seasonal wet day amount (or intensity), the conditional dry–day probability (or dry–spell persistence), and the conditional wet-day probability (or wet-spell persistence) — were examined using daily rainfall records for ten UK stations for the period 1901–1995. The purpose was first, to determine the extent to which these indices...

2015
Dongya Li Jinquan Wan Yongwen Ma Yan Wang Mingzhi Huang Yangmei Chen

Fast urbanization and industrialization in developing countries result in significant stormwater runoff pollution, due to drastic changes in land-use, from rural to urban. A three-year study on the stormwater runoff pollutant loading distributions of industrial, parking lot and mixed commercial and residential catchments was conducted in the Tongsha reservoir watershed of Dongguan city, a typic...

2006
H. Yang H. Rahardjo E.-C. Leong

This paper presents the laboratory test results of vertical infiltration on two soil columns of finer over coarser soils subject to simulated rainfalls under conditions of no-ponding at the surface and constant head at the bottom. The main objectives were to evaluate the effect of rainfall intensity and duration; and to provide experimental evidence for soil water redistribution and hysteresis....

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