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All Journal Jurnal Ilmu Lingkungan Indonesian Journal of Environment and Disaster
Doksa Safira Tarigan
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Earth & Planetary Sciences Environmental Science

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Hubungan antara Atribut Pembentuk Kenyamanan Termal pada Kerapatan RTH yang Berbeda di Kawasan Street Canyon, Jl. MH Thamrin, Jakarta Pusat Doksa Safira Tarigan; Nizar Nasrullah; Bambang Sulistyantara; Jenny I S Poerwanti
Jurnal Ilmu Lingkungan Vol 22, No 5 (2024): September 2024
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.22.5.1349-1355

Abstract

Street Canyon adalah area jalan yang diapit oleh bangunan di kedua sisinya, menciptakan lingkungan seperti ngarai. Street Canyon mempengaruhi tingkat kenyamanan termal pengguna jalan. Tujuan dari penelitian ini adalah untuk mengetahui hubungan antara masing-masing atribut kenyamanan termal di Street Canyon Jalan MH Thamrin pada kerapatan RTH yang berbeda ditinjau dari temperatur udara, kelembaban udara, kecepatan angin, dan suhu permukaan. Kawasan tersebut diteliti berdasarkan dua segmen, yaitu RTH lebat dan RTH non lebat. Penelitian ini menggunakan metode deskriptif evaluatif dengan pendekatan kuantitatif. Pengukuran atribut iklim dilakukan pada pagi, siang, dan sore hari selama 3 hari. Hasil penelitian menunjukkan bahwa atribut kenyamanan termal di Jalan MH Thamrin tidak memenuhi standar kenyamanan termal. Kenyamanan termal pada RTH non lebat lebih rendah dibandingkan RTH lebat. Nilai rata-rata tiap atribut kenyamanan termal melebihi ambang batas kenyamanan. Berdasarkan analisis NDVI, segmen RTH lebat terklasifikasikan kehijauan sedang (0,25<NDVI<0,35), dan segmen RTH non lebat tergolong kehijauan rendah (0,15<NDVI<0,25). Hasil analisis korelasi rank spearman menunjukkan, terdapat hubungan yang signifikan antara atribut kenyamanan termal yang dihubungkan dengan nilai sig. 0,000.
ROAD USERS' PERCEPTIONS OF VISITORS' THERMAL COMFORT AND ITS RELATIONSHIP WITH THERMAL COMFORT ATTRIBUTES IN STREET CANYON, MH THAMRIN STREET, CENTRAL JAKARTA Tarigan, Doksa Safira; Poerwanti, Jenny Indrastoeti Siti
Indonesian Journal of Environment and Disaster Vol. 4 No. 2 (2025): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v4i2.2663

Abstract

MH Thamrin is a street canyon area experiencing global warming, and impact on the level of thermal comfort. This study aims to provide an overview of thermal comfort attributes and user perceptions of thermal comfort in Street Canyon, Jl. Based on the measurement results, it was found that the air temperature in the non-dense green space segment was higher than the dense green space segment, with a total average of 31.12°C and 30.27°C. Air humidity is more humid in the dense green space segment (62.69%) than the non-dense green space segment (62.16%). The amount of wind speed in the dense greenery segment is 1.41m/s, while for the non-dense greenery segment it is 0.99m/s. The lowest surface temperature in the non-dense greenery segment is around 26.95°C, and the highest is 39.1°C. The maximum surface temperature of the dense greenery segment is 33.9°C with a minimum surface temperature of 26.1°C. Through the results of road user perceptions, it was found that user perceptions in the dense green spaces segment fell into the moderate category (15.67≤X<19.33). Meanwhile, the level of thermal comfort in the segment of non-dense green spaces on MH Thamrin Street also in medium category. Spearman rank correlation analysis results show the entire thermal comfort attributes associated with user perceptions. Air temperature with user perception has a strong correlation and unidirectional relationship direction (correlation coefficient -0.853). Surface temperature and user perception is also strongly correlated with the direction of the relationship is not unidirectional (correlation coefficient -0.928). In contrast, air humidity and user perception also have a strong correlation, but the direction of the relationship is unidirectional (correlation coefficient 0.911). Wind speed and road user perceptions are strongly correlated and the direction of the relationship is unidirectional (correlation coefficient 0.893).
Co-Authors Bambang Sulistyantara Cokorda Gede Alit Semarajaya Jenny I S Poerwanti Jenny Indrastoeti Siti Poerwanti, Jenny Indrastoeti Siti NI LUH MADE PRADNYAWATHI NIZAR NASRULLAH