نتایج جستجو برای: slope percent

تعداد نتایج: 149321  

Journal: :Croatian Medical Journal 2009

Journal: :Journal of Professional Communication 2018

Journal: :Pittsburgh Tax Review 2020

ژورنال: علوم آب و خاک 2004
علیرضا زارعی, , احمد ابریشم‌چی, , سیدسعید اسلامیان, ,

An approach for regional low flow frequency analysis is to use multiple regression techniques for obtaining relationships between low flows with specific return periods and catchments characteristics. In this paper, this method has been used. After single-site frequency analysis for 20 stream gauging stations, homogeneity test was performed. Regional relationships between low flows with return ...

Journal: :American Journal of Public Health 2012

Journal: :The Journal of the Acoustical Society of America 1981

Ali Azareh Hamid Reza Saeedi Goraghani Mojtaba Solaimani Sardo Nabi Azizi Sara Heshmati

In many studies, topographic factors have been considered as an important factor in establishing the vegetation in different ecosystems. So, it affects vegetation composition and diversity by influencing soil moisture, fertility and soil depth. The aim of this research was to investigate the effects of slope, elevation and geographical aspects on species growth, forage production and vegetation...

Knowing of precipitation values in different regions is always of main and strategic issues of human which has important role in short- term and long-term decisions. In order to determine of precipitation model and forecasting it, there are different models, but given that the precipitation data have a spatial autocorrelation, the spatial statistic is a powerful tool to recognition of spatial b...

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