The surface energy is not balance in grassland and Gobi.In grassland the sum of LE, Hs and soil heat flux is smaller than RN.

• 在山区草原，晴天潜热通量是土壤热通量的三倍多，感热通量与土壤热通量差异很小，净辐射主要用于蒸发、蒸腾；