色林错、纳木错湖区被动微波雪深反演算法评估
邬俊飞,姚檀栋,戴玉凤,陈文锋

Evaluation of Passive Microwave Snow-Depth Retrieval Algorithm in Selin Co and Nam Co
Junfei Wu,Tandong Yao,Yufeng Dai,Wenfeng Chen
表 1 经验算法公式
Table 1 Retrieval algorithms description
算法名称算法公式
Chang1算法SD = 1.59×(Tb18H-Tb37H )
Chang 2算法SD = 2.0(Tb18H- Tb37H ) -8
Foster算法SD = 0.78×(Tb18H-Tb37H )/(1-f)
SPD算法

SPD = (Tb18V-Tb37V ) + (Tb18V-Tb18H )

SD = 0.68×SPD + 0.67

Cao算法SD = 1.59×(Tb18H-Tb37H ) – 8
Che算法SD = 0.66× (Tb19H-Tb37H ) + b
Jiang算法

SD = ffarmland × SD farmland + fgrass × SD grass +

fbaresoil × SD baresoil + fforest × SD forest

ASMR2算法SD = f(SD f ) + (1-f)*(SD0)