6Simpson J R, McPhersone E G. Simulation of tree shade impacts on residential energy use for space con- ditioning in Sacramento [J]. Atmospheric Environ- ment, 1998,32(1) .. 69-74.
7J ames 13enson, Tilo Ziehn, Nick S Dixon, et al. Global sensitivity analysis of a 3D street canyon model--Part H :Application and physical insight using sensitivity analysis[J]. Atmospheric Environment, 2008, 42 (8) : 1874-1891.
8Gregory McPherson E,James R Simpson, Xiao Qing- fu,et al. Million trees Los Angeles canopy cover and benefit assessment[J]. Landscape and Urban Plan- ning, 2011,99(1) :40-50.
9Charles E Little. Greenways for American[M]. Balti- more: The Johns Hopkins University Press, 1995: 3-5.
10Smith D S, Hellmund P C. Ecology of Greenways: De- sign and Function of Linear Conservation Areas[M]. Minneapolis: University of Minnesota Press, 1993 : 7-10.
