نتایج جستجو برای: dez irrigation network

تعداد نتایج: 715200  

Journal: :Annual Reviews in Control 2005
Iven M. Y. Mareels Erik Weyer Su Ki Ooi Michael Cantoni Yuping Li Girish N. Nair

In Australia gravity fed irrigation systems are critical infrastructure essential to agricultural production and export. By supplementing these large scale civil engineering systems with an appropriate information infrastructure, sensors, actuators and a communication network it is feasible to use systems engineering ideas to improve the exploitation of the irrigation system. This paper reports...

2006
M. R. Jalali A. Afshar

In this paper, an improved Ant Colony Optimization (ACO) algorithm is proposed for reservoir operation. Through a collection of cooperative agents called ants, the near-optimum solution to the reservoir operation can be e ectively achieved. To apply the proposed ACO algorithm, the problem is approached by considering a nite horizon with a time series of in ow, classifying the reservoir volume t...

Journal: :Revista de Direito Administrativo 2016

Journal: :Aktualni osvrti 2013

Journal: :Novos Estudos - CEBRAP 2007

Journal: :Revista TOMO 2019

Journal: :Future Internet 2017
Sotirios Kontogiannis George Kokkonis Soultana Ellinidou Stavros Valsamidis

Modern irrigation systems utilize sensors and actuators, interconnected together as a single entity. In such entities, A.I. algorithms are implemented, which are responsible for the irrigation process. In this paper, the authors present an irrigation Open Watering System (OWS) architecture that spatially clusters the irrigation process into autonomous irrigation sections. Authors’ OWS implement...

Journal: :Environmental monitoring and assessment 2006
J Causapé D Quílez R Aragüés

The review analysis of twenty two irrigation efficiency (IE) studies carried out in the Ebro River Basin shows that IE is low (average IE)(avg)(= 53%) in surface-irrigated areas with high-permeable and shallow soils inadequate for this irrigation system, high (IE)(avg)(= 79%) in surface-irrigated areas with appropriate soils for this system, and very high (IE)(avg)(= 94%) in modern, automated a...

ژورنال: علوم آب و خاک 2013
علی رحیمی‌خوب, , محمد امین مرادی, ,

Reference evapotranspiration (ET0) is a necessary parameter for calculating crop water requirements and irrigation scheduling. In this study, a method was presented as ET0 is estimated with NOAA satellite imagery in the irrigation network. In this method, a pixel from a set of pixels within the irrigation network was chosen with the highest vegetation index, and its surface temperature (Ts) wit...

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