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Article
Open AccessDetermination of future creep and seismic behaviors of dams using 3D analyses validated by long-term levelling measurements
This study aims to assess the future structural performance of the Kozlu-Ulutan clay core rockfill (CCR) dam, one of the most significant water structures in the Black Sea region of Turkey, by utilizing 35 yea...
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Article
The Seasonal Characteristics of Equatorial Plasma Bubbles in Conjugate Hemispheres During 2015
In this paper, using the Total Electron Content (TEC) data obtained from GUAM (13.58° N, 144.86° E) and PNGM (2.04° S, 147.36° E) Global Positioning System (GPS) stations, the seasonal characteristics of equat...
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Article
Estimation of solar radiation by joint application of phase space reconstruction and a hybrid neural network model
Estimation of solar radiation can play a key role in environmental management as well as other fields of energy, agriculture, and hydrological and ecological modeling. In some areas, there are not enough solar...
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Article
Spatiotemporal analysis of precipitable water vapor using ANFIS and comparison against voxel-based tomography and radiosonde
Water vapor (WV) is one of the most important parameters in meteorological studies. Using an adaptive neuro-fuzzy inference system (ANFIS), a new method has been proposed for spatiotemporal modeling of precipi...
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Article
Solving the pan evaporation process complexity using the development of multiple mode of neurocomputing models
Finding an accurate computational method for estimating pan evaporation (EPm) can be useful in the application of these methods for the development of sustainable agricultural systems and water resources manageme...
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Article
Spatio-temporal analysis of TEC during solar activity periods using support vector machine
We propose a new method for spatio-temporal modeling of the ionospheric total electron content (TEC) at severe solar activity periods using a support vector machine (SVM). Using the observations from 37 GPS st...
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Article
Comparison of TEC from IRI-2016 and GPS during the low solar activity over Turkey
This paper presents the performance of the latest version of the International Reference Ionosphere (IRI-2016) model for estimating the Total Electron Content (TEC) variations in the mid-latitudinal Turkish re...
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Article
Ionospheric TEC forecasting using Gaussian Process Regression (GPR) and Multiple Linear Regression (MLR) in Turkey
This study aims to predict daily ionospheric Total Electron Content (TEC) using Gaussian Process Regression (GPR) model and Multiple Linear Regression (MLR). In this case, daily TEC values from 2015 to 2017 of...
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Article
Detection of possible ionospheric precursor caused by Papua New Guinea earthquake (Mw 7.5)
Ionospheric total electron content (TEC) variations estimated from dual-frequency receivers of global positioning systems (GPS) can be used as a tool to detect possible seismo-ionospheric anomalies before stro...
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Article
Investigation of Ionospheric Variations During Magnetic Storm Over Turkey
Variations in solar, geomagnetic, and seismic activity cause disturbance in the ionosphere that can be monitored effectively using GPS observations. Total electron content (TEC) is an effective parameter to un...
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Article
Modeling and predicting seasonal ionospheric variations in Turkey using artificial neural network (ANN)
The aim of this study was to model and predict seasonal ionospheric total electron content (TEC) using artificial neural network (ANN). Within this scope, GPS observations acquired from ANKR GPS station (Turke...