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作物冠层温度反映了作物冠层的能量平衡状况 ,由环境因子和作物自身因素决定。这种能量平衡状况与作物水分状况密切相关 ,因而 ,冠层温度可用于探测、评价作物的水分状况 ,并且已在实践中得到应用。随着红外测温技术和仪器的发展和开发 ,冠层温度法正成为判别作物水分状况的重要手段之一。
The crop canopy temperature reflects the energy balance of crop canopy, which is determined by environmental factors and the crop’s own factors. This energy balance is closely related to crop water status. Therefore, the canopy temperature can be used to detect and evaluate the water status of crops and has been applied in practice. With the development and development of infrared temperature measurement technology and instruments, the canopy temperature method is becoming one of the important methods to discriminate the crop water status.