Climate Change Research

Climate Change Research

Modeling Daily and Monthly Rainfall in Tabriz using Ensemble Learning Models and Decision Tree Regression

Document Type : Original Article

Authors
Mohammad Taghi Sattari 1
Razieh Bagheri 2
Kimia Shirirni 3
Pouya Allahverdipour 4
1 Associate Professor, Department of Water Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran,
2 M.Sc student, Department of Water Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
3 Ph.D Student, Department of Computer Engineering, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran
4 Ph.D Student, Department of Water Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran,
10.30488/ccr.2024.433394.1192
Abstract
Precipitation is one of the most important components of hydrology and meteorology, and the prediction of its values are important in various fields, such as agriculture and the environment. Considering that the occurrence of precipitation and its amount depend on many factors, the modeling of precipitation has many complications. In this research, the meteorological data of Tabriz synoptic station including minimum, maximum and average temperature, relative humidity, air pressure, maximum wind speed and precipitation in the period of 1986-2020 were used. The machine learning and ensemble learning methods including Multi Layer Perceptron (MLP), Random Forest (RF), Ada Boost (AB), Gradient Boost (GB), Extra Trees (ET) and Decision Tree Regression (DTR) models were used for rainfall modeling. 70% of the data was used for training and 30% for testing the models. The statistical criteria of Coefficient of Correlation (R), Root Mean Square Error (RMSE), Mean Absolute Error (MAE) and Kling-Gupta Efficiency (KGE) were used to evaluate the models. According to the results, on daily scale the MLP model with R=0.993, RMSE=0.184 mm, MAE=0.184 mm and KGE=0.82, and the ET model with R=0.986, RMSE=0.324 mm, MAE=0.324 mm and KGE=0.75, respectively, and on monthly scale the MLP model with R=0.999, RMSE=0.153 mm, MAE=0.222 mm KGE=0.88, and the ET model with R=0.981, RMSE=0.266 mm, MAE=0.197 mm and KGE=0.71, respectively, have the highest accuracy. Overall, the results show that machine learning and ensemble learning models perform well in predicting daily and monthly rainfall.
Keywords
Artificial Neural Networks
Ensemble Learning
Extra Trees
Precipitation
Random Forest

Subjects

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