supported by the Hi-tech Research and Development Program of China(2007AA12Z175);the Special Research Foundation of the Public Benefit Industry (GYHY200706046);the Project funded by the National Natural Science Foundation of China (Grant No. 40671128);the National Basic Research Program of China (2007CB714401)
Aerodynamic roughness length (Z0m) is a key factor in surface flux estimations with remote sensing algorithms and/or land surface models. This paper calculates ZOrn over several land surfaces, with 3 years of experi...