Quantifying and mapping cooling services of multiple ecosystems

被引：18

作者：

Park, Chae Yeon ^{[1
]}

Park, Yoon Sun ^{[2
]}

Kim, Ho Gul ^{[3
]}

Yun, Seok Hwan ^{[4
]}

Kim, Choong-Ki ^{[2
]}

机构：

[1] Natl Inst Environm Studies, Social Syst Div, 16-2 Onogawa, Tsukuba, Ibaraki 3058506, Japan

[2] Korea Environm Inst KEI, Div Nat Environm, Sejong 30147, South Korea

[3] Cheongju Univ, Dept Human & Environm Design, Cheongju, South Korea

[4] Seoul Natl Univ, Interdisciplinary Program Landscape Architecture, Seoul, South Korea

来源：

SUSTAINABLE CITIES AND SOCIETY | 2021年 / 73卷

关键词：

Urban heat; Green spaces; Water bodies; Cooling effect; Sensible heat flux; Energy saving potential; URBAN HEAT-ISLAND; GREEN INFRASTRUCTURE; THERMAL ENVIRONMENT; ENERGY-BALANCE; WATER BODY; TREES; CLIMATE; STREET; IMPACT; PARAMETERIZATION;

D O I：

10.1016/j.scs.2021.103123

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The higher heat load in urban areas than that in rural areas increases the heat stress of citizens and cooling load. Ecosystem-based planning can be a cost-effective solution for cooling cities. In this study, we quantified and mapped the cooling services of multiple ecosystems based on sensible heat mitigation effects and their energy saving potential during the hottest time of the day. Forests, grassland, water bodies, and swamps were considered in this study, and we identified the most efficient ecosystems in the study area with low cooling services. Water bodies exhibited the highest cooling service by mitigating the sensible heat flux by up to 250 W/m2. However, forests made the greatest contribution due to their higher area ratio than that of water. These ecosystems can reduce the energy requried for air-conditioning during the hottest time of the day by approximately 0.15 kWh/ m2. The cooling service quantifying and mapping methods proposed in this study can help urban planners to develop more sustainable and resilient cities that can more efficiently incorporate ecosystem-based cooling services.

引用

页数：12

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