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Monitoring and Management of Surface Flows in Flood Irrigated Checks Using a Network of Wireless Sensors.

机译:使用无线传感器网络监视和管理洪水灌溉检查中的地表流。

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摘要

Surface irrigation methods, such as furrow or flood, have the highest potential for water losses of typical irrigation practices. These losses are generally in the form of tail-water discharge (runoff) and excess deep percolation caused by the over-application of water. Focus was placed on reducing runoff to manage field-level water losses thereby increasing water application efficiency. Based around an inflow cutoff method, a set of volume-balance algorithms were generated to limit runoff over multiple irrigations during a growing season. To apply these algorithms a series of wireless wetting-front advance sensors were developed with ∼0.5 mile range and a cellular communication system. Using only sensor measurements, field test data from 2011 and 2012 were used to monitor surface flow behavior and verify these methods in border-check irrigated alfalfa (around Yolo County, CA). If applied properly, with managed inflow setups, these algorithms have the potential to minimize surface runoff in irrigated fields.
机译:在典型的灌溉实践中,地表灌溉方法(例如犁沟或洪水)具有最大的水流失潜力。这些损失通常以尾水排放(径流)和因过量使用水引起的深层渗滤的形式出现。重点放在减少径流上,以管理田间水平的水损失,从而提高用水效率。基于流入截留方法,生成了一组体积平衡算法,以限制生长季节中多次灌溉的径流。为了应用这些算法,开发了一系列具有约0.5英里范围的无线湿润前沿传感器和一个蜂窝通信系统。仅使用传感器的测量数据,就将2011年和2012年的现场测试数据用于监测地表水的行为,并在边界检查灌溉的苜蓿(加利福尼亚州约洛县附近)中验证了这些方法。如果应用得当,在受控的入流设置下,这些算法有可能使灌溉田地表径流最小化。

著录项

  • 作者

    Arnold, Brad J.;

  • 作者单位

    University of California, Davis.;

  • 授予单位 University of California, Davis.;
  • 学科 Hydrology.;Engineering Agricultural.;Agriculture General.
  • 学位 M.S.
  • 年度 2013
  • 页码 221 p.
  • 总页数 221
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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