Based on Chinese Resources and Environment Database, the vegetation coverage index for each county and its provincial normalized coefficient of 1995 and 2000 of Hubei province are calculated.
以中国资源环境数据库为支撑，计算出1995和2000年湖北省各市县植被覆盖指数及省级归一化系数。
2
The infiltration supplement coefficient is both two-factor function of grassland coverage and rainfall intensities for Huangmian soil.