Spatial temporal analysis of urban heat hazard on education Area (University of Indonesia)

Adi Wibowo, Jarot Mulyo Semedi, Khairulmaini Osman Salleh

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

As education area, campus or university is full with various activities which have an impact on the existence of land-use or land-cover. The variation of activities dynamically change the shape of land-use or land-cover within the campus area, thus also create variations in Land Surface Temperature (LST). The LST are impacting the coziness of human activity especially when reaches more than 30 oC. This study used the term Urban Heat Signature (UHS) to explain LST in different land-use or land-cover types. The objective of this study is to examine UHS as an Urban Heat Hazard (UHH) based on Universal Temperature Climate Index (UTCI) and Effective Temperature Index (ETI) in University of Indonesia. Thermal bands of Landsat 8 images (the acquisition year 2013-2015) were used to create LST model. A ground data known as Air Surface Temperature (AST) were used to validate the model. The result showed an increased level of maximum temperature during September-October since 2013 until 2014. The maximum temperature was reduced in October 2014, however it increased again in August 2015. The UTCI showed "moderate" and "strong heat stress", while EFI showed "uncomfortable" and "very uncomfortable" categories during that period. This research concluded that build up area in UI Campus highest temperature on UI campus based on UHS. Range UHS in Campus UI on 2013 (21.8-31.1oC), 2014 (25.0-36.2oC) and 2015 (24.9-38.2oC). This maximum UHS on September (2014 and 2015) put on levelling UTCI included range temperature 32-35oC, with an explanation of sensation temperature is warm and sensation of comfort is Uncomfortable, Psychology with Increasing Stress Case by Sweating and Blood Flow and Health category is Cardiovascular Embarrassment. This UHS occurs in September will give impact on psychology and health, that's become the UHH of the living on education area.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalIndonesian Journal of Geography
Volume49
Issue number1
DOIs
Publication statusPublished - Jun 2017

Keywords

  • Education area
  • Spatial temporal analysis
  • Urban heat hazard

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