Research Article

Correction of TRMM 3B42V7 Based on Linear Regression Models over China

Table 1

Validation of annual TRMM precipitation in the three regions in 2014 at grid scale.

RegionsDatasetsMean/mmRMSE/mmBias

Mideastern ChinaGauge prec850.94
TRMM prec0874.44144.240.930.03
TRMM prec1838.36130.250.94−0.01
TRMM prec2837.20129.860.94−0.01

Tibetan plateauGauge prec370.88
TRMM prec0465.51314.980.370.36
TRMM prec1364.22100.070.83−0.07
TRMM prec2361.4192.100.85−0.06

Northwest ChinaGauge prec129.23
TRMM prec0106.8588.050.26−0.12
TRMM prec1115.7867.030.45−0.05
TRMM prec2116.8166.930.45−0.05