The value measured by Penman-Monteith method is very close to that measured with whole-tree potometer and that measured by heat pulse technique with errors less than 2%.

微气象法中午蒸腾值十分接近整树容器法与热脉冲法，其误差小于2％。

youdao

The results show that among four revised formulae, three have linear relation with Penman-Monteith ETo result except Blaney-Criddle method has exponential relation with Penman-Monteith method.

研究表明，对于本研究地区，四种方法中除布兰尼—克里德尔方法与彭曼—蒙特斯方法具有指数关系外，其它三种方法与彭曼—蒙特斯方法都具有线性关系。

youdao