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Snow depth retrieval from passive microwave imagery using different artificial neural networks

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Abstract

The high degree of nonlinearity in the analysis of hydrologic systems demonstrates that artificial neural networks are suitable methods for this purpose. Artificial neural networks and passive microwave imagery have been combined for monitoring snow parameters, particularly in arid and semi-arid areas where the hydrologic process of the water basin is very dependent on the snow conditions (snow depth, snow water equivalent, snow density, snow cover area, snow stratigraphy, the shape of the crystals of snow). The multilayer perceptron is learned by different methods (Levenberg-Marquardt, scaled conjugate gradient, gradient descent with momentum and adaptive learning rate). These multilayer perceptrons are compared with radial basis function and multilayer perceptron–genetic algorithm for evaluating snow depth. Snow depth is estimated using passive microwave brightness temperature of a special sensor microwave/imager sensor. The results indicate that multilayer perceptron–genetic algorithm outperformed other artificial neural networks (multilayer perceptron–Levenberg-Marquardt, multilayer perceptron–scaled conjugate gradient, multilayer perceptron–gradient descent with momentum and adaptive learning rate, multilayer perceptron–genetic algorithm and radial basis function) with r = 0.97, RMSE = 0.18, and NSE = 0.83 for training and r = 0.90, RMSE = 0.19, and NSE = 0.39 for testing.

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Abbreviations

AMSR-E:

Advanced Microwave Scanning Radiometer for the Earth Observing System

ANN:

Artificial neural network

BP:

Back propagation

DMSP:

Defense Meteorological Satellite Program

GA:

Genetic algorithm

GDX:

Gradient descent with momentum and adaptive learning rate

LM:

Levenberg-Marquardt

ML:

Machine learning

MLP:

Multilayer perceptron

NSE:

Nash-Sutcliffe model efficiency

NSIDC:

National Snow and Ice Data Centre

PM:

Passive microwave

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Acknowledgments

We especially thank Water & Power Authority of Khuzestan, Iran, for providing ground-based snow data and NSIDC for making SSM/I data freely available to this research.

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Correspondence to Arash Adib.

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Responsible editor: Biswajeet Pradhan

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Zaerpour, A., Adib, A. & Motamedi, A. Snow depth retrieval from passive microwave imagery using different artificial neural networks. Arab J Geosci 13, 696 (2020). https://doi.org/10.1007/s12517-020-05642-x

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  • DOI: https://doi.org/10.1007/s12517-020-05642-x

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