نتایج جستجو برای: samani method

تعداد نتایج: 1630202  

2014
Huashan Li Fei Cao Xianlong Wang Weibin Ma

Since air temperature records are readily available around the world, the models based on air temperature for estimating solar radiation have been widely accepted. In this paper, a new model based on Hargreaves and Samani (HS) method for estimating monthly average daily global solar radiation is proposed. With statistical error tests, the performance of the new model is validated by comparing w...

2017
Lameck O. Odhiambo R. E. Yoder D. C. Yoder L. O. Odhiambo

Daily evapotranspiration (ET) rates are needed for irrigation scheduling. Owing to the difficulty of obtaining accurate field measurements, ET rates are commonly estimated from weather parameters. A few empirical or semi–empirical methods have been developed for assessing daily reference crop ET, which is converted to actual crop ET using crop coefficients. The FAO Penman–Monteith method, which...

Journal: :Misr Journal of Agricultural Engineering 2018

ژورنال: اعتیاد پژوهی 2015

Objective: This study was an attempt to predict addiction potential based on family process and content model in high school students. Method: The research method in this study was a descriptive-correlational one. All the high school students of Karaj city in the academic year 2012-2013 constituted the statistical population of the study. From this population, the number of 410 participants was...

2016
Abdelaziz Boulesbaa Bing Huang Kai Wang Ming-Wei Lin Masoud Mahjouri-Samani Christopher Rouleau Kai Xiao Mina Yoon Bobby Sumpter Alexander Puretzky David Geohegan

Abdelaziz Boulesbaa,* Bing Huang, Kai Wang, Ming-Wei Lin, Masoud Mahjouri-Samani, Christopher Rouleau, Kai Xiao, Mina Yoon, Bobby Sumpter, Alexander Puretzky, and David Geohegan Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, Tennessee, 37831, USA (Received 29 April 2015; revised manuscript received 28 August 2015; published 25 September ...

Journal: :Applied Water Science 2023

Abstract This study aimed to accurately estimate daily wheat evapotranspiration using two remote sensing algorithms, Surface Energy Balance System (SEBS) and Algorithm for Land (SEBAL), in central Khuzestan province during 2019–2020. The results of algorithms were compared with lysimeter (as a direct method), FAO-Penman–Monteith (FAO-PM), temperature-based methods (Hargreaves-Samani Blaney-Crid...

Journal: :Revista Brasileira de Climatologia 2023

Objetivou-se determinar modelos de estimativa da evapotranspiração referência (ETo) para a região sul do Triângulo Mineiro. Para calcular as estimativas ETo foram utilizados dados diários INMET Frutal, Conceição das Alagoas e Uberaba-MG. Foram testados seis assim compará-los com o modelo Penman Monteith (PM), que foi considerado padrão. Após cálculo diária, aplicada análise regressão, utilizand...

2002
A. Samani I. Sack D. Plewes

A. Samani, I. Sack, D. Plewes University of Toronto, Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario, Canada Synopsis To increase the displacement SNR in breast MR elastography, tissues are compressed significantly. As a result, breast tissues undergo large deformations. This leads to significant geometric and material nonlinearities. In this study, methods for treating ...

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