The Elementary Study Of Dew Resource In Typical Steppe In Inner Mongolia

Dew-day amount and season trends of community dewfall of typical steppe in the Inner Mongolia were determinated by the weighing measuration created by oneself from July to September of 2005, and chemical composition of dew was analyzed preliminarily. Following understanding were obtained by statistic disposal on experimentation data, by analysis on the interrelation between dew amount in communities and corresponding meteorological factors.1. It is an extremely complicated physical course that dew falls in steppe community. Many kinds of meteorological factors influence dewfall amount in steppe community. Among these factors, air humidity of layer closing the earth's surface and temperature in the air are thought to be basic factors which have impact on dew-fall, while other factors play a role by decorating two factors.2. It is the key period for the steppe community to dewfall from the last ten days in July to the last ten days in August, and the community's dew-fall rate often reach biggest around mid-August; Dew amount in community out of resumed community sample plot requires steam resource for first; Dew amount in resumed community sample plot requires low temperature for first; While dew amount in new resumed...