Qihang Chen

  Distribution of land surface temperature and surface urban heat island in the Hangzhou metropolitan area  ( Sheng, Lu & Huang 2015) Prolonged extreme heat is one of the leading extreme climate events that Hangzhou regularly suffers from in summer. The Hangzhou News (2022) reported that in August 2022, the temperature in Hangzhou reached 41.8 °C, a record high since 1951, and the high temperature remained for up to 26 days. Based on my personal experience of living and studying in Hangzhou, extreme heat for weeks will not only decrease the mobility of residents and businesses in the city, which will significantly depress tourism and entertainment, but also adversely affect the sustainability of the city: more air conditioners will be turned on by residents or companies; more private cars will be on the roads, and less public transport will be used because nobody wants to walk on the streets. The Hangzhou government has tried several approaches to cool the city, including ...

Clusters of residential buildings(Fang 2019) A review of previous Posts (Vanke Future Sky City, Yunfan Future Community, Hangzhou West Railway Station) indicates that Hangzhou currently tends to build high-rise, high-density buildings to achieve sustainability. This may be since Hangzhou is presently densely populated, with a high demand for housing but a limited urban land space, thus requiring a more efficient land use approach. Also, for developers, higher residential density means more units available for sale, which usually results in higher profits. However, the proliferation of high-density housing in Hangzhou has brought several issues. The first is traffic congestion. Many residents in high-density residential zones have to commute through the city daily for work or study, which puts a lot of pressure on traffic routes, especially during peak commuting times. Secondly, there is a lack of community facilities. To increase the price, many developers make it a selling point for a...

Hangzhou Urban Floodwall (Zhejiang Hydropower Construction and Installation Company) The People's Government of Hangzhou has adopted a series of defence and mitigation measures against natural disasters and has formed an effective disaster response system. The city's most frequent hazards are floods and typhoons. In response, the city government has built a large number of flood prevention and drainage projects and created green belts on both sides of rivers for ecological flood control. Furthermore, various climate and geological monitoring stations have been established to enhance the city's disaster prediction capabilities. The Hangzhou Emergency Management Bureau has successfully issued 12,736 weather risk forecasts and warnings for meteorological disasters until July 2021, leading citizens to avoid 2,720 hazardous situations. The accuracy rate of forecasted catastrophic weather reached 80%, with an advance of 35 minutes for warnings of sudden weather disasters such as ...

Water-saving irrigation (Hao 2021) The Hangzhou government has always spared no effort in conserving water and achieving water sustainability. According to the Hangzhou Water Conservation Implementation Plan (2020), there are three main water-saving measures being used: Dynamic water price adjustment for household water. The price of water for urban residents is regulated in a smart way so that water usage that exceeds a certain range is gradually increased in price and consumption can be restricted during shortages. Tiered recycling of industrial water. The government facilitated water-sharing contracts between companies to encourage the recycling of industrial water and the construction of related infrastructure. Water-efficient irrigation in agriculture. The government has subsidised rural areas to build efficient irrigation facilities in farming districts. These measures have delivered good outcomes, resulting in a decreased annual combined water consumption of 243.8 cubic metres p...

Hangzhou is a city in the east of China with an important position regarding social and economic development. It is also a city with rapidly developing tourism and high-tech industries that have achieved a position at the forefront of sustainable development in China. Starting today, I am going to write my own evaluation of some of the sustainable buildings and projects that are currently in progress or have been completed in Hangzhou, based on my personal experiences during my study for the Bachelor of Civil Engineering in the city, along with information from the internet and the content of my sustainability course this term, and to create a digital sustainable development journal. At the beginning of the journal, I will give a general assessment of Hangzhou's urban sustainable development based on my current knowledge and understanding. In economic aspects, Hangzhou has a relatively balanced industrial structure, with many large internet companies such as Alibaba and Netease, as...