The Impact of Urban Green Space on The Urban Heat Island Phenomenon – A Study Case in East Jakarta, Indonesia

Geoplanning: Journal of Geomatics and Planning Pub Date : 2024-01-12 DOI:10.14710/geoplanning.11.1.31-42

Amalia Rakhmawati Rizki, Sri Setiawati Tumuyu, S. B. Rushayati

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Abstract

The urban heat island (UHI) phenomenon has grown disastrous in many major cities across the world, including Jakarta. The more cities worldwide that suffer this scenario, the faster global warming will occur, making it a global concern that has to be given priority. The goal of this study was to determine the distribution of UHI in each region and how land use planning may mitigate it. East Jakarta was found to have the highest UHI in Jakarta. The method of this study used spatial analysis, which consists of land surface temperature (LST) and normalized vegetation difference index (NDVI) using GIS. The analysis results showed that the area with the highest LST and the widest coverage of UHI in East Jakarta is in Cakung where the temperature has increased to 4oC, while the area with the lowest LST and the narrowest coverage of the UHI area is Cipayung. Meanwhile, Cipayung has the most urban green space and urban forest, making up roughly 5.6% and 1.96% of its area, while Matraman has the least, making up 1.09% of its area without any urban forest. Therefore, there are no areas in East Jakarta that meet the requirements of 10% urban forest and 30% green space. However, the region with the lowest UHI distribution is Cipayung, which has the greenest urban area. It shows how the presence of urban forests, affects the distribution of UHI in metropolitan areas.

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城市绿地对城市热岛现象的影响--印度尼西亚东雅加达的研究案例

城市热岛（UHI）现象已在包括雅加达在内的世界许多大城市中变得越来越严重。世界上出现这种情况的城市越多，全球变暖的速度就越快，因此这是一个必须优先考虑的全球问题。这项研究的目的是确定特高气温指数在各地区的分布情况，以及土地利用规划可如何缓解特高气温指数。研究发现，雅加达东部的 UHI 最高。本研究采用了空间分析方法，包括利用地理信息系统进行地表温度（LST）和归一化植被差异指数（NDVI）分析。分析结果显示，雅加达东部地表温度最高、UHI 覆盖范围最广的地区是气温上升到 4 摄氏度的 Cakung，而地表温度最低、UHI 覆盖范围最窄的地区是 Cipayung。同时，Cipayung 拥有最多的城市绿地和城市森林，分别约占其面积的 5.6% 和 1.96%，而 Matraman 的城市绿地和城市森林最少，仅占其面积的 1.09%，且没有任何城市森林。因此，雅加达东部没有任何地区达到 10%城市森林和 30%绿地的要求。不过，UHI 分布最少的地区是西巴勇，该地区拥有最绿的城区。这说明了城市森林的存在如何影响大都市地区的 UHI 分布。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Geoplanning: Journal of Geomatics and Planning

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