哈尔滨市高层住区冬季日照环境调查

s the increasing scarcity of urban construction land, high-rise high-density development mode plays a leading role in metropolitan residential area construction, which highlights the contradiction caused by sunshine problem. This paper aims to conduct an in-depth study on winter sunshine environment by choosing Harbin representative high-rise residential districts. It dissects this problem in detail from three perspectives respectively, outdoor venue shadow, indoor sunshine occlusion and typical residential sunshine duration, which contributes to exposing the severe current situation and diagnosing the root causes of high-rise sunshine occlusion phenomenon. Based on the new sunlight standard, suggestions are put forward in introspection on improvement of related auxiliary mechanism, multi-party balance of interest, and supervision of new standard implementation.??