The differences in ET r estimates between FAO Penman Monteith and Penman and FAO Blaney Criddle methods were obviously lower than those between FAO Penman Monteith and Makkink and Priestley Taylor methods.

• 与FAOPenman Monteith公式的计算结果相比较 ,用Penman公式和FAO 2 4Blaney Criddle公式估算奈曼地区参考作物蒸散量误差较小 ;