Page 90 - The Hong Kong Green Building Council (HKGBC) 香港綠色建築議會
P. 90
Researches Urban Climatic Map and Standards for
the Wind Environment
In 2013, a research team from the Chinese valuable areas, problem areas and sensitive process. The research identified Central,
University of Hong Kong carried out a study areas that were in need of strategic planning Sheung Wan, Sai Ying Pun, Causeway Bay,
on the ‘Urban Climatic Map and Standards attention and improvement. Wanchai East, Tsuen Wan and Kwun Tong as
for the Wind Environment – Feasibility Study’ ‘very high urban climatically sensitive
commissioned by the Planning Department. For clear and definable planning actions, areas’ that are relatively poor in terms
The aim of the study was to assess the urban the eight urban climatic analysis classes of environmental conditions. Mitigation
climatic characteristics of different parts of of the UC-AnMap were consolidated into measures were recommended, including
Hong Kong and to formulate holistic planning five Urban Climatic Planning Zones (UCPZ) avoiding intensification of GIC (Government,
and design measures to achieve long-term of the UC-ReMap in accordance with their Institution and Community) sites.
improvement in the urban living environment. similar urban climatic characteristics such
as human thermal comfort and planning Based on the understanding of the UCMaps,
Two urban climatic factors were studied, implications. Planning recommendations the study further recommended six planning
namely wind and thermal comfort. Both of were made for each of the UCPZ to facilitate and design measures at district and project
these factors are related to the Urban Heat early consideration of urban climatic levels to reduce thermal load, promote air
Island effect. Planning data and climatic data issues in the strategic/district planning ventilation for better urban thermal comfort
were combined and analysed to form the
Urban Climatic Analysis Map (UC-AnMap),
and interpreted to derive the Urban Climatic
Planning Recommendation Map (UC-ReMap).
The study also looked into the feasibility of
establishing a practical wind performance
criterion and refined the Air Ventilation
Assessment (AVA) System, which has been in
force since 2006.
The UC-AnMaps provided an urban climatic-
based planning framework and holistic
information platform, typically at the city
and district levels. Contextual information for
further studies at local and site planning levels
were also supplied. The UC-ReMap presented
a spatial evaluation of current urban climatic
characteristics and identified climatically
88 HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014
the Wind Environment
In 2013, a research team from the Chinese valuable areas, problem areas and sensitive process. The research identified Central,
University of Hong Kong carried out a study areas that were in need of strategic planning Sheung Wan, Sai Ying Pun, Causeway Bay,
on the ‘Urban Climatic Map and Standards attention and improvement. Wanchai East, Tsuen Wan and Kwun Tong as
for the Wind Environment – Feasibility Study’ ‘very high urban climatically sensitive
commissioned by the Planning Department. For clear and definable planning actions, areas’ that are relatively poor in terms
The aim of the study was to assess the urban the eight urban climatic analysis classes of environmental conditions. Mitigation
climatic characteristics of different parts of of the UC-AnMap were consolidated into measures were recommended, including
Hong Kong and to formulate holistic planning five Urban Climatic Planning Zones (UCPZ) avoiding intensification of GIC (Government,
and design measures to achieve long-term of the UC-ReMap in accordance with their Institution and Community) sites.
improvement in the urban living environment. similar urban climatic characteristics such
as human thermal comfort and planning Based on the understanding of the UCMaps,
Two urban climatic factors were studied, implications. Planning recommendations the study further recommended six planning
namely wind and thermal comfort. Both of were made for each of the UCPZ to facilitate and design measures at district and project
these factors are related to the Urban Heat early consideration of urban climatic levels to reduce thermal load, promote air
Island effect. Planning data and climatic data issues in the strategic/district planning ventilation for better urban thermal comfort
were combined and analysed to form the
Urban Climatic Analysis Map (UC-AnMap),
and interpreted to derive the Urban Climatic
Planning Recommendation Map (UC-ReMap).
The study also looked into the feasibility of
establishing a practical wind performance
criterion and refined the Air Ventilation
Assessment (AVA) System, which has been in
force since 2006.
The UC-AnMaps provided an urban climatic-
based planning framework and holistic
information platform, typically at the city
and district levels. Contextual information for
further studies at local and site planning levels
were also supplied. The UC-ReMap presented
a spatial evaluation of current urban climatic
characteristics and identified climatically
88 HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014
