Determination of Quantitative Spectral Characteristics and Coverage Distribution of Cotton in Antalya Region Using Satellite Data

Year 2007, Volume: 20 Issue: 1, 1 - 10, 01.06.2007

M. Sarı N. K. Sönmez M. Yıldıran

Abstract

The aim of this study was to determine the spectral characteristics and distribution of the cotton growing areas in the West Mediterranean Region of Turkey by means of the digital data from the Landsat7 ETM Satellite. In this context, spectral characteristics of cotton in the predefined 128 test areas, spectral distinction graphs, histograms, equal probability ellipses and spectral differentiation levels were formed. Optimum band combination was found to be 4th, 5th and 2nd bands for determination of the cotton growing areas in this region. The research area was classified by using maximum likelihood method with this band combination. In conclusion, the cotton-grown areas could be defined by with 92.9% confidence in the West Mediterranean Region using by satellite data.

Keywords

Remote sensing, cotton, spectral reflectance, maximum likelihood

Pamuk Bitkisinin Kantitatif Yansıma Özelliklerinin ve Alansal Dağılımının Uydu Verileri ile Belirlenmesi

Abstract

Bu çalışmada Landsat-7 ETM uydusunun sayısal verileri kullanılarak Batı Akdeniz Bölgesinde üretimi yapılan pamuk bitkisinin spektral özelliklerinin ve alansal dağılımının belirlenmesi amaçlanmıştır. Bu amaca yönelik olarak yer gerçekleri bilinen toplam 128 test alanında, pamuk ve diğer örtü tiplerinin spektral karakteristikleri, histogramlar, spektral yansıtım eğrileri, eş olasılık elipsleri ve spektral ayırım düzeyleri şeklinde oluşturulmuştur. Elde edilen veriler ışığında test alanındaki pamuk bitkisinin diğer örtü tipleri ile karışmadan ayırt edilebileceği en uygun band kombinasyonu 4., 5. ve 2. bandlar olarak belirlenmiştir. Belirlenen bu band kombinasyonu ile ‘maximum likelihood’ yöntemine göre araştırma alanı sınıflandırılmıştır. Sonuç olarak, Batı Akdeniz Bölgesinde üretimi yapılan pamuk bitkisinin alansal dağılımının, uydu verileri kullanılarak %92,9’lık bir doğrulukla saptanabileceği belirlenmiştir

Keywords

Uzaktan Algılama, Pamuk, Spektral Yansıma, Kontrollü Sınıflandırma

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