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      Analisis Spasial Persebaran Ozon Troposfer di Pulau Jawa bagian Barat

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      Date
      2024
      Author
      Aini, Hanifa Qurrotu
      Rohmawati, Fithriya Yulisiasih
      Risdiyanto, Idung
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      Abstract
      Ozon di atmosfer dibagi menjadi dua lapisan, yaitu ozon stratosfer dan ozon troposfer. Ozon di lapisan stratosfer melindungi bumi dari sinar ultraviolet matahari, sedangkan ozon di lapisan troposfer merupakan polutan yang berbahaya bagi kesehatan makhluk hidup. Ozon troposfer terbentuk melalui serangkaian reaksi fotokimia yang kompleks yang dibantu oleh radiasi ultraviolet dan prekursor ozon. Penelitian ini bertujuan untuk menganalisis sebaran ozon troposfer di Pulau Jawa bagian Barat secara spasial dan pengaruh NO2 dan radiasi matahari terhadap konsentrasi ozon troposfer selama tahun 2023. Variasi konsentrasi ozon troposfer dapat dianalisis dengan menggunakan metode penginderaan jauh. Salah satunya menggunakan satelit Sentinel-5P yang merupakan program pengendalian pencemaran udara dari Copernicus. Konsentrasi ozon troposfer terendah teramati pada bulan Januari dan Februari, sedangkan konsentrasi tertinggi terjadi pada bulan Oktober dan November. Hal ini dipengaruhi oleh faktor meteorologi seperti insolasi yang diterima oleh permukaan bumi dan faktor non meteorologi seperti emisi dari prekursor pembentuk ozon. Berdasarkan analisis regresi spasial, NO2 dan radiasi matahari memiliki pengaruh yang signifikan secara spasial dengan nilai P value sebesar 0 dan 0.07 terhadap konsentrasi ozon troposfer dengan selang kepercayaan yang berbeda. NO2 dan radiasi matahari mampu menjelaskan persentase konsentrasi ozon troposfer sebesar 81%.
       
      Ozone in the atmosphere is divided into two layers: stratospheric ozone and tropospheric ozone. Ozone in the stratospheric layer protects the Earth from the sun's ultraviolet rays, while ozone in the tropospheric layer is a pollutant that is harmful to the health of living beings. Tropospheric ozone is formed in a series of complex photochemical reactions assisted by ultraviolet radiation and ozone precursors. This research aims to analyze at the distribution of tropospheric ozone in the Western Part of Java Island spatially and determine the influence of NO2 and solar radiation on tropospheric ozone concentrations during 2023. Variations in tropospheric ozone concentration can be analyze using remote sensing methods. One of them is using the Sentinel-5P satellite, which is an air pollution control program from Copernicus. The lowest tropospheric ozone concentration is observed in January and February, while the highest concentration occurs in October and November. This is influenced by meteorological factors such as the insolation received by the Earth's surface and non-meteorological factors such as emissions of ozone-forming precursors. Based on spatial regression analysis, NO2 and solar radiation has a spatially significant influence with a P value of 0 and 0.07 on tropospheric ozone concentration with different confidence intervals. NO2 and solar radiation are able to explain the percentage of tropospheric ozone concentration of 81% .
       
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      http://repository.ipb.ac.id/handle/123456789/155187
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      • UT - Geophysics and Meteorology [1720]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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