Evaluation of Cropping Pattern and Irrigation Regimes Variation within The Last 25 years Through Remote Sensing and ET Mapping Techniques

Year 2018, Volume: 32 Issue: 2, 31 - 43, 01.12.2018

Eyüp Selim Köksal Sakine Çetin Ali Osman Demir Emre Tunca Burak Nazmi Candoğan Ş.Tülin Akkaya Aslan

Abstract

Cropping pattern of agricultural production could be changed from one year to another based on, decisions made about irrigation and fertilization, socio-economic situations, agricultural infrastructure opportunities and technological improvements. Karacabey Plains is one of the important areas of Turkey and Marmara region which have an important agricultural production potential. In order to increase the agricultural production in plains land consolidation and irrigation infrastructure have been re-established. Remote sensing offers more cheaper and practical tools instead of techniques depending on sampling, for agricultural management. In this study, vegetation and evapotranspiration (ET) maps of Karacabey Plains were generated by processing the Landsat 5 and 8 satellite images. By this way, these maps were evaluated to understand the change of cropping pattern and irrigation water usage in Karacabey Plains.

Keywords

Remote sensing, evapotranspiration, landsat satellite images, vegetation index

Bursa Karacabey Ovasında Son 25 Yılda Değişen Bitkisel Üretim Deseni ve Sulama Uygulamalarının Uzaktan Algılama ve ET Haritalama Tekniği ile Değerlendirilmesi

Abstract

Tarımsal üretimde bitki deseni, sulama ve gübreleme gibi konularda alınan kararlar, sosyo-ekonomik koşullar, tarımsal alt yapı olanakları ve teknolojik değişimler doğrultusunda bir yıldan diğerine farklılık gösterebilmektedir. Karacabey Ovası hem Marmara Bölgesi hem de Türkiye için önemli düzeyde tarımsal üretim potansiyeline sahip ovalardan birisidir. Yakın geçmişte ovanın üretim potansiyelinin arttırılmasına yönelik sulama ve arazi toplulaştırması gibi önemli tarımsal alt yapı yatırımları gerçekleştirilmiştir. Tarım alanlarının izleme ve değerlendirilmesinde, uzaktan algılama teknikleri, örneklemeye dayalı tekniklere göre, daha etkili, ucuz ve pratiktir. Bu çalışmada, 1990-2015 yılları arasında Karacabey Ovası’na ait, Landsat 5 TM ve Landsat 8 uydu görüntüleri işlenerek, vejetasyon ve evapotranspirasyon (ET) durumunu temsil eden haritalar hazırlanmıştır. Aynı dönemlere ait görüntüler kendi içerisinde değerlendirilerek, Karacabey Ovası’nda söz konusu zaman diliminde sulama suyu kullanım durumu ve bitkisel üretim desenindeki genel değişimler değerlendirilmiştir.

Keywords

Uzaktan algılama, evapotranspirasyon, landsat uydu görüntüleri, vejetasyon indeksleri

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