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Gera Rozalia, Gera
Universitas Diponegoro

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PENERAPAN METODE ORDINARY KRIGING PADA PENDUGAAN KADAR NO2 DI UDARA (Studi Kasus: Pencemaran Udara di Kota Semarang) Rozalia, Gera; Yasin, Hasbi; Ispriyanti, Dwi
Jurnal Gaussian Vol 5, No 1 (2016): Wisuda periode Januari 2016
Publisher : Jurusan Statistika UNDIP

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Abstract

Air pollution must be addressed. Nitrogen Dioxide is one of the important factors in air pollution. To determine concentration level of the pollutant “Badan Lingkungan Hidup Kota Semarang” already take measurements  at several  points.  However,  because of  blocked  considerable cost, is  not  much  point to do measurements. In this study, will be used Ordinary Kriging method to estimate at some points in Semarang. In  this  methode will compare the value of  the eksperimental semivariogram  with  some theoretical semivariogram models (spherical, eksponensial, and gaussian) to get the best model that will be used in the estimation. In this study, estimate the concentration of Nitrogen Dioxide in the air in a number of village in Semarang. Based on analysis we found the best model is spherical model with Nitrogen Dioxide produces estimates is the highest in Sub Gebangsari and Nitrogen Dioxide lowest in Sub Patemon. Keywords: Ordinary Kriging, Semivariogram, Nitrogen Dioxide.