北京多晶电子科技有限公司
北京多晶电子科技有限公司
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SMART FIELD LYSIMETER WEIGHABLE CONTROLLED TENSION LYSIMETER更新：2016-5-8 23:41:28点击：产品品牌Decagon产品型号SMART FIELD LYSIMETER产品描述...PDF下载 询价 申请样品
A complete small weighable and tension controlled field lysimeter. Combined with tensiometers, soil moisture sensors, data logger with optional GPRS modem, lightning protection, and powered by solar panels. This is the idea of the UMS Smart Field Lysimeter.
Sure, lysimeter surface and depth could not be big enough, but this small setup gives information on water and solute balance issues that you could only attain with weighing lysimeters with tension controlled suction at a lower cost.
Excavating the undisturbed soil monolith is made easier with the tool set that is specially designed for use with the Smart Field Lysimeter.
The UMS Smart Field Lysimeter is available in 3 diferent lengths of 30, 60, and 90 cm giving it flexiblility to fit a variety of applications and site conditions. This flexibility in design allows for customized layouts to suit the needs of different research needs and site limitations.
A bi-directional pump is used to maintain the hydraulic boundary condition within the lysimeter. This means the field moisture is measured and transmitted into the lysimeter. If the soil in the lysimeter is drier that the reference field conditions, water will be pumped back into the lysimeter from the drainage reservoir. If the soil in the lysimeter is wetter than the reference field conditions, the pump will pull water out of the lysimeter to match field conditions. This technique ensures true field conditions inside the lysimeter.
By weighing both the lysimeter and the drainage barrel, increases of stored water due to rain or irrigation and losses of water due to evapotransiration and deep drainage are directly measured and easly computed mathemateically.
Evapotranspiration Studies
Contaminant Fate Studies
Climate Change Studies
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