6.849 (2.1) of IMO, the humanfactors, the basic theory of SHEL Mode and its features are analyzed in the paper, and the basic contents of humanfactors are summarized.
8.As NDVI is affected by various natural and humanfactors,the relations between such factors and Hurst exponents of the NDVI time series are to be quantified in the coming research.
9.The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human-made factors, such as irrigation patterns and cultivating system.