基于遥感与GIS的乐山城市绿心成因解析

he green heart which has some effects such as changing micro-climate is a special form of green space system. Based on remote sensing and geographic information system technology, by macroscopic and microscopic two scales, the impact of topography, geological structure, lithology, meteorological, hydrological and land cover geographic features on Leshan green heart was studied. The study shows that: relatively stable geological background, stable motion of matter and energy of topography, climate transition zone, and ring urban layout are important for the formation of the Green Heart. According to local conditions to use or transformation of natural conditions，by inheriting city culture and protecting mountains, water bodies, vegetation landscape, more green hearts and green islands will be retained and built during urban developing. It is valuable to study and apply Leshan experience in the new urbanization.