Journals / Ekoloji / 2012 / Cilt: 21 - Sayı: 83

CBS ve YSA yöntemleri ile su sıcaklığının modellenmesi: Eğirdir Gölü (Türkiye) örneği

Modeling of water temperature based on GIS and ANN techniques: Case study of Lake Eğirdir (Turkey)

Journal
Ekoloji
Pages
44–52
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Finally, the ANN method found was useful for estimating lake water temperature in which water temperature measurements are quite difficult, especially for large lakes, or to estimate missing water temperature data.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study presents a model to estimate lake water temperatures using Geographical Information Systems (GIS) and Artificial Neural Network (ANN) techniques.
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Key Findings & Data:Initially, the water temperature of the lake was determined using 44 stations by in-situ measurements.
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Conclusion & Impact:Finally, the ANN method found was useful for estimating lake water temperature in which water temperature measurements are quite difficult, especially for large lakes, or to estimate missing water temperature data.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

This study presents a model to estimate lake water temperatures using Geographical Information Systems (GIS) and Artificial Neural Network (ANN) techniques. Lake Eğirdir was selected as the case study area because it is one of the important surface water resources in Turkey. Initially, the water temperature of the lake was determined using 44 stations by in-situ measurements. The relative humidity, air temperature, air pressure, and water depth parameters were used to develop the ANN models for estimating the water temperature of Lake Eğirdir. The parameter maps were derived by using GIS techniques. The developed ANN models were very effective in the estimating of water temperature for Lake Eğirdir. The best ANN model having an $R^{2}$ of 0.949 and MSE of 0.075°$C^{2}$ is based on the input parameters of, relative humidity, air pressure, and water depth. The results of the best ANN model were compared with the in-situ measurements and shows that the modeling results are compatible with the in-situ measurements of the lake water temperatures. Finally, the ANN method found was useful for estimating lake water temperature in which water temperature measurements are quite difficult, especially for large lakes, or to estimate missing water temperature data.

Özet

Bu çalışmada, Coğrafi Bilgi Sistemleri (CBS) ve Yapay Sinir Ağları (YSA) teknikleri kullanılarak göl suyu sıcaklıklarını tahmin etmek için bir model geliştirilmiştir. Eğirdir Gölü Türkiye’nin en önemli yüzey sularından biri olması sebebiyle çalıma alanı olarak seçilmiştir. Öncelikle, 44 istasyonda yapılan yerinde ölçümler ile gölün su sıcaklığı belirlenmiştir. Eğirdir Gölü su sıcaklığı tahmini için YSA modellerinin geliştirilmesinde bağıl nem, hava sıcaklığı, hava basıncı ve su derinliği parametreleri kullanılmış ve her bir parametre haritaları CBS teknikleri kullanılarak hazırlanmıştır. Çalışmada geliştirilen YSA modellerinin Eğirdir Gölü için su sıcaklığı tahmininde oldukça etkili olduğu görülmektedir. 0,949 $R^{2}$’ye ve 0,075°$C^{2}$ MSE’e sahip olan en iyi YSA modeli bağıl nem, hava basıncı ve su derinliği giriş parametrelerine dayanmaktadır. En iyi YSA modelinin sonuçları yerinde ölçümler ile karşılaştırıldığında, modelleme sonuçları ile elde edilen göl suyu sıcaklığının in-situ ölçümler ile uyumlu olduğu görülmektedir. Sonuç olarak, özellikle su sıcaklık ölçümlerinin yapılmasının zor olduğu büyük göllerde sıcaklık tahminlerinin yapılabilmesi için ve/veya eksik sıcaklık verilerinin tamamlanabilmesi için YSA yönteminin kullanılabilir olduğu belirlenmiştir.

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Cite This Article

TERZİ, Ö., ŞENER, E., ŞENER, S., KÜCÜKKARA, R. (2022). CBS ve YSA yöntemleri ile su sıcaklığının modellenmesi: Eğirdir Gölü (Türkiye) örneği. Ekoloji, Cilt: 21 - Sayı: 83, 44–52. https://ajindex.com/articles/499052

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