Assessment and systematic bias correction modeling of zenith hydrostatic delay/ zenith wet delay based on Global Forecast System surface meteorological data over the Chinese mainland

Code to reproduce the work in the manuscript 'Assessment and systematic bias correction modeling of zenith hydrostatic delay/ zenith wet delay based on Global Forecast System surface meteorological data over the Chinese mainland’, Huishan Wang, Liying Cao, Hongming Li, Junyu Li, Bao Zhang, Quanyu Chen, Jialing Liu, Lili Kuang, Siying Cao, submitted to GMD.