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All Journal Mintakat: Jurnal Arsitektur Local Wisdom : Jurnal Ilmiah Kajian Kearifan Lokal ARTEKS : Jurnal Teknik Arsitektur CYCLOTRON Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Moneter : Jurnal Keuangan dan Perbankan
Respati Wikantiyoso
Department Of Architecture, University Of Merdeka Malang
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science

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The UHI phenomenon and the potential for buffer zone development in Kayutangan heritage corridor Respati Wikantiyoso; Agung Murti Nugroho; Nurul Aini; Sari Mawaddahni; Aditya Galih Sulaksono
ARTEKS : Jurnal Teknik Arsitektur Vol 11 No 2 (2026): ARTEKS : Jurnal Teknik Arsitektur | April 2026 ~ June 2026
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/arteks.v11i2.4830

Abstract

The rising temperature of the Kayutangan Heritage Corridor (KHC) poses a risk to the sustainability of its historical value and the comfort of its microclimate. The UHI phenomenon in KHC development is vulnerable to the decline of historical value and microclimate quality. This study aims to assess the potential of the Brantas River Watershed as a buffer zone for KHC development. The method used is a three-stage analysis: first, land surface temperature (SST) data analysis to identify the distribution of hot and cold spots; second, direct surface temperature measurements to validate the LST; and third, Computational Fluid Dynamics (CFD) simulation of the existing thermal conditions of the KHC and its buffer zone. The LST distribution pattern forms the basis for formulating a UHI mitigation model. The CFD simulation results indicate that the Brantas River Watershed, which borders the KHC, has the potential to serve as a buffer zone for Kayutangan development. This mitigation strategy enables Kayutangan development to transform into a more resilient area through integration with its buffer zone.
Outdoor thermal comfort performance in urban heat island mitigation: A Simulation-Based assessment in a commercial district using ENVI-met Miftahul Huda; Respati Wikantiyoso; Nurul Aini; Pindo Tutuko; Erna Winansih
ARTEKS : Jurnal Teknik Arsitektur Vol 11 No 2 (2026): ARTEKS : Jurnal Teknik Arsitektur | April 2026 ~ June 2026
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/arteks.v11i2.5132

Abstract

Outdoor thermal discomfort in commercial districts presents a critical challenge in tropical urban environments, where elevated air temperatures and intense solar radiation limit the usability and comfort of open spaces. This study evaluates the effectiveness of Urban Heat Island (UHI) mitigation strategies in enhancing outdoor thermal comfort within a commercial district through ENVI-met simulations. Four intervention scenarios were developed and compared against existing conditions, encompassing structural-based, vegetation-based, surface material–based, and integrated approaches. Simulations were conducted for the hottest day of the dry season, with thermal comfort assessed at pedestrian height (1.4 m) using the Physiological Equivalent Temperature (PET) index. Structural interventions produced an average PET reduction of 1.24 K, demonstrating localized cooling effects, whereas vegetation-oriented strategies achieved the most substantial improvement, reducing average PET by up to 3.91 K. In contrast, material-based interventions exhibited the least efficacy, yielding a maximum average PET reduction of only 0.32 K and even contributing to increased PET during daytime hours due to reflected solar radiation. The combined intervention scenario delivered a more balanced outcome, with average PET reductions reaching 2.60 K. Despite these interventions, PET values largely remained within the “very hot” category, underscoring the necessity for radiation-sensitive urban design approaches that prioritize vegetation-centric mitigation strategies.
Co-Authors Abd. Syakur Aditya Galih Sulaksono Aditya Galih Sulaksono Agung Murti Nugroho Arifuddin, Rahman Cayarini, Filomina Dwi Dendi Sigit Wahyudi Diyah Sukanti Cahyaningsih Ema Yunita Titisari Erlina Laksmiani Wahjutami Erna Winansih Grahita Chandrarin Iswanto, Heru Hendri Iswanto, Heru Hendri Jamhari Jamhari Johan Wahyudi, Johan Josaf Sayoko JUNIANTO JUNIANTO Miftahul Huda Novi Sunu Sri Giriwati Nurhamdoko Bonifacius Nurul Aini Pindo Tutuko Pratiwi, Magvira Ardhia Putri, Pipiet Arini Ramli, Syamsun Santoso, Dian Kartika Sari Mawaddahni Sirly Intan Sayekti Sri Widayati Subairi Subairi Sunardi Sunardi Tonny Suhartono Tonny Suhartono Widiana, Fenny