Budyko Yaklaşımına Dayanan Bir Su Bütçesi Modeli ve Parçacık Sürü Optimizasyonu Algoritması ile Kalibrasyonu

Abstract

Sunulan çalışmada, aylık yağış-akış ilişkisini tanımlamak amacıyla Budyko yaklaşımına dayanan bir su bütçesi modeli kullanılmıştır. Önerilen beş parametreli model girdi olarak sadece aylık ortalama yağış ve potansiyel evapotranspirasyon verilerine ihtiyaç duymaktadır. Çalışma sahası Gediz Havzası’ndaki Nif Çayı’nı kapsamaktadır. Model parçacık sürü optimizasyonu algoritması (PSO) ile kalibre edilmiştir. PSO ile kalibre edilen modelin performansını sınamak maksadıyla istatistiksel ölçütler değerlendirilmiştir. Çalışmadan elde edilen bulgular, su bütçesi modelinin aylık akış serilerini modellemede başarılı olduğunu göstermiştir.

Keywords

• Su Bütçesi Modeli,Budyko Yaklaşımı,Parçacık Sürü Optimizasyonu,Nif Çayı

A Water Balance Model Based on Budyko Framework and Its Calibration through Particle Swarm Optimization Algorithm

Abstract

In the study presented, to define monthly rainfall-runoff relation, a water budget model based on Budyko approach was used. Proposed five-parameter model requires only monthly mean precipitation and potential evapotranspiration data as input. The study region covers the Nif Creek located at the Gediz Basin. Model was calibrated with particle swarm optimization (PSO) algorithm. To validate the performance of model calibrated via PSO, statistical measures were assessed. The results derived from the study show that water budget model is successful in modeling of monthly runoff series.

Keywords

• Water Budget Model,Budyko Framework,Particle Swarm Optimization

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