Comparison of Different Interpolation Techniques for Modelling Temperatures in Middle Black Sea Region

Coğrafi Bilgi sistemleri (CBS) kullanılarak modellenmesi ve haritalanmasıdır. Modelleme ve haritalama çalışmaları için 72 meteoroloji gözlem istasyonundan elde edilen değerler kullanılmıştır. Sıcaklık verilerinin konumsal dağılımlarının analiz edilmesi için; Inverse Distance Weighting (IDW), Thin-plate Smoothing Spline (TPS), Simple Kriging (SK), Cokriging (CK) and Multiple Linear Regression (MLR) yöntemleri kullanılmıştır. Aylık ortalama sıcaklıklar açısından tahmin edilen ve ölçülen değerler arasındaki korelasyon katsayıları 0.80 ile 0.95 arasında değişmiştir. Tüm aylar için korelasyon katsayıları P < 0.01 düzeyinde önemli bulunmuştur. Aylık en düşük sıcaklık değerleri için bazı aylar dışında TPS yönteminin en uygun yöntem olduğu, diğer aylarda ise MLR, IDW ve CK yöntemlerin en uygun yöntemler olduğu tespit edilmiştir. En yüksek sıcaklık değerleri için ise ele alınan yöntemlerin tamamı özellikle yaz aylarında yetersiz sonuçlar vermiştir.

Orta Karadeniz Bölgesinde sıcaklıkların modellenmesi için farklı enterpolasyon tekniklerinin karşılaştırılması

Objective of this study was to determine the best method for modelling and mapping monthly and annual temperatures (minimum, maximum, mean) of Middle Black Sea Region by geographical information systems (GIS). Data from 72 different meteorological observation stations were used for modelling and mapping. Inverse Distance Weighting (IDW), Thin-plate Smoothing Spline (TPS), Simple Kriging (SK), Cokriging (CK) and Multiple Linear Regression (MLR) methods were used to analyze spatial distribution of temperature data. Correlation coefficients among the estimated and measured monthly mean temperatures varied between 0.80 and 0.95. Correlation coefficients for all months were found to be significant (P < 0.01). In general, MLR yielded the best results for monthly mean temperatures. While TPS was identified as the best method for monthly minimum temperatures for most of the months, MLR, IDW, and CK methods yielded best results for other months. All methods yielded unsatisfactory results for maximum temperatures, especially for summer months.

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Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi-Cover
  • ISSN: 1300-2910
  • Yayın Aralığı: Yılda 3 Sayı
  • Başlangıç: 1985
  • Yayıncı: Tokat Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi Yayın Ofisi
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