نتایج جستجو برای: samani
تعداد نتایج: 190 فیلتر نتایج به سال:
Métodos de estimativa da evapotranspiração de referência no período seco e chuvoso em Imperatriz, MA
Para um bom manejo de irrigação dos cultivos agrícolas a determinação da evapotranspiração é indispensável. Pensando nisso objetivou-se com este estudo comparar e avaliar o desempenho estimativa referência (Eto) pelos métodos Hargreaves-Samani, Makkink, Budyko, Turc, Jensen-Haise, Linacre, Kharrufa, Radiação FAO24 em relação ao método padrão Penman-Monteith/FAO no período seco chuvoso, Imperatr...
*Corresponding author: Javad Baharara, Professor, Dept. of Biology & Research Center for Animal Development Applied Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran, Tel: + 98 5l1 8437092, Fax: + 98 511 8437092, Email: [email protected] Introduction Nowadays, the widespread use of various electrical and telecommunication appliances that produce electromagnetic fields is increasi...
No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without prior written permission from the Publisher. i Acknowledgements I would like to acknowledge the generous economical support of the present project granted by: would like to thank: My principal superv...
The alluvial plain of Sarvestan bears the sole source of potable water in Sarvestan county, Fars Province, Iran. In recent years, due to extended heavy pumping, the groundwater storage has been reduced continuously. The UNGWM (United Nation Ground Water Model) is used to evaluate the hydraulic characteristics of the Sarvestan aquifer and its future response to various regimes of recharge and di...
In this study, seven citrus gardens in different parts of Darab were chosen to evaluate the drip irrigation systems. The evaluation process was based on the Merriam and Keller’s model (1978). Besides the evaluation of drip irrigation systems, the water requirement of citrus was estimated using four models including Blany-Criddle modified by FAO, Hargrive-Samani, Pan Evaporation and Solomon-Ko...
In this study, seven citrus gardens in different parts of Darab were chosen to evaluate the drip irrigation systems. The evaluation process was based on the Merriam and Keller’s model (1978). Besides the evaluation of drip irrigation systems, the water requirement of citrus was estimated using four models including Blany-Criddle modified by FAO, Hargrive-Samani, Pan Evaporation and Solomon-Koda...
Declan T. Bradley, MB ChB, MA, PhD*; Anne E. Hughes, PhD*; Stephen A. Badger, MCh, MD; Gregory T. Jones, PhD; Seamus C. Harrison, MD; Benjamin J. Wright, PhD; Suzannah Bumpstead, BSc; Annette F. Baas, PhD; Solveig Gretarsdottir, PhD; Kevin Burnand, MBBS, MS; Anne H. Child, MD; Rachel E. Clough, PhD; Gillian Cockerill, PhD; Hany Hafez, MB BCh, PhD; D. Julian A. Scott, MD; Robert A.S. Ariëns, PhD...
Estimating daily evapotranspiration is challenging when ground observation data are not available or scarce. Remote sensing can be used to estimate the meteorological data necessary for calculating reference evapotranspiration ETo. Here, we assessed the accuracy of daily ETo estimates derived from remote sensing (ETo-RS) compared with those derived from four ground-based stations (ETo-G) in Kur...
The FAO-56 Penman–Monteith (PM) equation is regarded as the most accurate to estimate reference evapotranspiration (ETo). However, it requires a broad range of data that may not be available or reasonable quality. In this study, nine temperature-based methods were assessed for ETo estimation during irrigation at fourteen locations distributed through hot-summer Mediterranean climate region Alen...
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