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      Keterkaitan Intensitas Urban Heat Island (UHI) dengan Konsentrasi Partikulat (PM2.5, PM10) di DKI Jakarta

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      Date
      2024
      Author
      Prahesti, Rida Budi
      Turyanti, Ana
      Rohmawati, Fithriya Yulisiasih
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      Abstract
      Fenomena urban heat island (UHI) di wilayah perkotaan mengindikasikan adanya perbedaan suhu udara antara DKI Jakarta dengan daerah penyangganya. Penelitian ini bertujuan menganalisis keterkaitan antara intensitas UHI dengan konsentrasi partikulat di wilayah DKI Jakarta menggunakan analisis deskriptif. Hasilnya menunjukkan bahwa perbedaan suhu udara antara wilayah DKI Jakarta dan Kota Bogor bernilai maksimum sebesar 3,4 oC pada pukul 17.00 WIB dan minimum sebesar -0,29 oC pada pukul 08.00 WIB. UHII malam hari akan bernilai lebih besar daripada UHII siang hari. Konsentrasi rata-rata per jam PM2.5 periode 2020-2022 di DKI Jakarta berkisar antara 31,24 µg/m3 hingga 50,57 µg/m3, sedangkan konsentrasi rata-rata per jam PM10 periode 2014-2022 berkisar antara 49,75 µg/m3 hingga 72,2 µg/m3. Keterkaitan antara konsentrasi PM dengan nilai UHII akan lebih besar pada malam hari. Konsentrasi PM yang tinggi pada waktu tersebut di DKI Jakarta dapat meningkatkan nilai UHII. Adapun pada siang hari, hubungan suhu udara dengan konsentrasi PM berkaitan dengan mekanisme stabilitas atmosfer.
       
      The urban heat island (UHI) phenomenon in urban areas shows the difference in air temperature between DKI Jakarta and the surrounding areas. This study aims to analyze the relationship between UHI intensity and particulate matter concentration in the DKI Jakarta area by using descriptive analysis. The results showed that the difference in air temperature between the DKI Jakarta area and Bogor City had a maximum value of 3,4 oC at 17.00 local time (UTC+7) and a minimum of -0,29 oC at 08.00 local time (UTC+7). Nighttime UHII will be greater than daytime UHII. The average hourly concentration of PM2.5 for the 2020-2022 period in DKI Jakarta ranges from 31,24 µg/m3 to 50,57 µg/m3, while the average hourly concentration of PM10 for the 2014-2022 period ranges from 49,75 µg/m3 to 72,2 µg/m3. The relationship between PM concentration and UHII value will be greater at night. High PM concentrations at that time can increase UHII values. During the day, the relationship between air temperature and PM concentration is related to the atmospheric stability mechanism.
       
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      http://repository.ipb.ac.id/handle/123456789/153458
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      • UT - Geophysics and Meteorology [1720]

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