Embedding machine learning techniques into a conceptual model to improve monthly runoff simulation: A nested hybrid rainfall-runoff modeling

U Okkan, ZB Ersoy, AA Kumanlioglu, O Fistikoglu - Journal of Hydrology, 2021 - Elsevier
One of the frequently adopted hybridizations within the scope of rainfall-runoff modeling
rests on directing various outputs simulated from the conceptual rainfall-runoff (CRR) …

Prediction of unconfined compressive strength of carbonate rocks using artificial neural networks

N Ceryan, U Okkan, A Kesimal - Environmental earth sciences, 2013 - Springer
The unconfined compressive strength (UCS) of intact rocks is an important geotechnical
parameter for engineering applications. Determining UCS using standard laboratory tests is …

IoT-enabled flood severity prediction via ensemble machine learning models

M Khalaf, H Alaskar, AJ Hussain, T Baker… - IEEE …, 2020 - ieeexplore.ieee.org
River flooding is a natural phenomenon that can have a devastating effect on human life and
economic losses. There have been various approaches in studying river flooding; however …

Investigating adaptive hedging policies for reservoir operation under climate change impacts

U Okkan, O Fistikoglu, ZB Ersoy, AT Noori - Journal of Hydrology, 2023 - Elsevier
Concerns about whether the reservoirs against climate change will be able to fulfill their
missions in the future have revealed the necessity of adapting their operations to changing …

A systematic review of predictor screening methods for downscaling of numerical climate models

AH Baghanam, V Nourani, M Bejani, H Pourali… - Earth-Science …, 2024 - Elsevier
Effective selection of climate predictors is a fundamental aspect of climate modeling
research. Predictor Screening (PS) plays a crucial role in identifying regional climate drivers …

Prediction of daily streamflow using artificial neural networks (ANNs), wavelet neural networks (WNNs), and adaptive neuro-fuzzy inference system (ANFIS) models

HY Dalkiliç, SA Hashimi - Water Supply, 2020 - iwaponline.com
In recent years, the prediction of hydrological processes for the sustainable use of water
resources has been a focus of research by scientists in the field of hydrology and water …

Reconstructing high resolution ESM data through a novel fast super resolution convolutional neural network (FSRCNN)

LS Passarella, S Mahajan, A Pal… - Geophysical Research …, 2022 - Wiley Online Library
We present the first application of a fast super resolution convolutional neural network
(FSRCNN) based approach for downscaling earth system model (ESM) simulations. Unlike …

Evaluation of the suitability of NCEP/NCAR, ERA-Interim and, ERA5 reanalysis data sets for statistical downscaling in the Eastern Black Sea Basin, Turkey

S Nacar, M Kankal, U Okkan - Meteorology and Atmospheric Physics, 2022 - Springer
Climate community frequently uses gridded reanalysis data sets in their climate change
impact studies. However, these studies for a region yield more realistic results depending on …

Estimation of prediction interval in ANN-based multi-GCMs downscaling of hydro-climatologic parameters

V Nourani, NJ Paknezhad, E Sharghi, A Khosravi - Journal of Hydrology, 2019 - Elsevier
In this paper, point prediction and prediction intervals (PIs) of artificial neural network (ANN)
based downscaling for mean monthly precipitation and temperature of two stations (Tabriz …

Application of support vector machines and relevance vector machines in predicting uniaxial compressive strength of volcanic rocks

N Ceryan - Journal of African Earth Sciences, 2014 - Elsevier
The uniaxial compressive strength (UCS) of intact rocks is an important and pertinent
property for characterizing a rock mass. It is known that standard UCS tests are destructive …