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Investigation of Dissolved Oxygen Levels in the Karun River Water Using Hybrid Models Based on Support Vector Regression

کلیدواژه: Dissolved Oxygen, Support vector regression, Karun, Modeling

نویسندگان: Babaali Hamidreza, Nohani Ebrahim, Dehghani Reza

ناشر: هیدروفیزیک - HYDROPHYSICS

Oxygen plays a vital role in maintaining the balance of life cycles in all ecosystems. Aquatic life is highly sensitive to dissolved oxygen (DO) levels. This necessitates not only continuous monitoring of DO in aquatic environments but also the development of accurate predictive models for future DO... ادامه

سال:2024

لینک به محتوا با زبان هدف

نوع سند: Article

5 دانلود

12 بازدید

مشاهده/دانلود

The Potential of the Hybrid Support Vector Regression Model for Predicting River Sediment Discharge (Case Study: Keshkan-Lorestan River)

کلیدواژه: Kashkan, Support vector regression, suspended sediments, Modeling

نویسندگان: Babaali Hamidreza, Nohani Ebrahim, Dehghani Reza

ناشر: هیدروفیزیک - HYDROPHYSICS

Providing a robust and reliable predictive model for river sediment discharge is an essential task for several environmental and geomorphological perspectives, including water quality, riverbed engineering sustainability, and aquatic habitats. In this research, a new hybrid intelligent approach base... ادامه

سال:2023

لینک به محتوا با زبان هدف

نوع سند: Article

4 دانلود

8 بازدید

مشاهده/دانلود

Modeling Groundwater Level in Delfan Plain, Lorestan Province, Using Hybrid Metaheuristic Models

کلیدواژه: Groundwater Level, Artificial neural network, Metaheuristic optimization, Delfan plain

نویسندگان: Nohani Ebrahim, Babaali Hamidreza, Dehghani Reza

ناشر: آبخوان و قنات - Journal of Aquifer and Qanat

Groundwater is often a crucial source of freshwater worldwide, particularly in arid and semi-arid regions. In these areas, groundwater resources are vital due to variable rainfall and high evaporation rates. Groundwater use is increasing in arid and semi-arid regions due to population growth, rapid ... ادامه

سال:2024

لینک به محتوا با زبان هدف

نوع سند: Article

3 دانلود

13 بازدید

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Assessment of Groundwater Hardness in Khorramabad Plain Using Hybrid Models Based on Metaheuristic Algorithms

کلیدواژه: Groundwater, Khorramabad, Support Vector Regression, Metaheuristics

نویسندگان: Babaali Hamidreza, Nohani Ebrahim, Dehghani Reza

ناشر: آبخوان و قنات - Journal of Aquifer and Qanat

Introduction: Over the past century, water scarcity has become a significant global issue due to climate change, population growth, urbanization, and agriculture. In response to this problem, groundwater resources have been used extensively for various purposes, including agriculture, industry, and ... ادامه

سال:2024

لینک به محتوا با زبان هدف

نوع سند: Article

4 دانلود

17 بازدید

مشاهده/دانلود

Evaluation of Hybrid Metaheuristic Models in Estimating Electrical Conductivity (Case Study: Kakarza River, Lorestan Province)

کلیدواژه: Kakarza River, water quality, Electrical conductivity, Wavelet

نویسندگان: Nohani Ebrahim, Babaali Hamidreza, Dehghani Reza

ناشر: پژوهش های خشکسالی و تغییر اقلیم - Journal of Drought and Climate Change Research

Electrical conductivity (EC) is an important indicator for monitoring water quality in rivers. Electrical conductivity is inherently related to the concentration of dissolved ionic compounds present in aquatic environments, including various salts and minerals. Estimating electrical conductivity is ... ادامه

سال:3

لینک به محتوا با زبان هدف

نوع سند: Article

0 دانلود

3 بازدید

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A Hybrid Heuristic Algorithm to Provide a Multi-Objective Fuzzy Supply Chain Model with a Passive Defense Approach

کلیدواژه: Supply chain,Sustainability,Passive defense,Multi-objective fuzzy optimization,Meta-heuristic algorithm

نویسندگان: Ayoughi Hamidreza, Dehghani Poudeh Hossein, Raad Abbas, Talebi Davood

ناشر: کنترل و بهینه سازی در ریاضیات کاربردی - CONTROL AND OPTIMIZATION IN APPLIED MATHEMATICS

In this paper, a stable multi-objective model of location, inventory, and supply chain routing is presented under conditions of uncertainty and using a passive defense approach. Parameters such as demand, cost of setting up the facility and cost of maintaining inventory are considered uncertain and ... ادامه

سال:2022

لینک به محتوا با زبان هدف

نوع سند: Article

3 دانلود

7 بازدید

مشاهده/دانلود

Investigating the Application of Hybrid Support Vector Machine Models in Predicting River Flow of Karkhe Basin

کلیدواژه: Bayesian Network,Support Vector Machine,Wavelet,Karkhe Basin

نویسندگان: DEHGHANI REZA, Torabi Poodeh Hasan, YOUNESI HOJJATOLLAH, Shahinejad Babak

ناشر: هیدروژئومورفولوژی - HYDROGEOMORPHOLOGY

Introduction: River flow forecasting is one of the most important issues in water resources management and planning, especially in making the right decisions in the event of floods and droughts. Various approaches to hydrology have been introduced to predict river flow rates, among which, intelligen... ادامه

سال:2020

لینک به محتوا با زبان هدف

نوع سند: Article

0 دانلود

15 بازدید

مشاهده/دانلود

Off-line Arabic Handwritten Recognition Using a Novel Hybrid HMM-DNN Model

کلیدواژه: Arabic Handwritten Recognition,Deep Neural Networks,Hidden Markov Model,Kaldi Toolkit

نویسندگان: BABAALI BAGHER, Rekabdar Babak

ناشر: پردازش علایم و داده ها - SIGNAL AND DATA PROCESSING

In order to facilitate the entry of data into the computer and its digitalization, automatic recognition of printed texts and manuscripts is one of the considerable aid to many applications. Research on automatic document recognition started decades ago with the recognition of isolated digits and le... ادامه

سال:2021

لینک به محتوا با زبان هدف

نوع سند: Article

0 دانلود

13 بازدید

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Hybrid Compensatory and Non-Compensatory Multi-Criteria Decision Making Models for locating the Reservoir-dams

کلیدواژه: Sustainable Development,Dam Site Selection,TOPSIS,ELECTRE Model,Multi-Criteria Decision Making

نویسندگان: BANIHABIB MOHAMMAD EBRAHIM, Vaziri Bahman, HASHEMI REZA, TANHAPOUR MITRA

ناشر: تحقیقات آب و خاک ایران - Iranian Journal of Soil and Water Research

One of the requirements for sustainable operation of soil, water and environment resources in agricultural sector is addressing the sustainable development criteria in dam construction projects. In current research, multicriteria decision making methods (MCDM) including ELimination Et Choice Transla... ادامه

سال:2021

لینک به محتوا با زبان هدف

نوع سند: Article

0 دانلود

15 بازدید

مشاهده/دانلود

A Proposed Pattern of Enterprise Risk Management in Insurance Companies

کلیدواژه: Enterprise risk Management,Own Risk and Solvency Assessment,Insurance,Corporate Governance and Solvency

نویسندگان: DEHGHANI ALI, SHAHRYAR BEHNAM

ناشر: پژوهشنامه بیمه - Iranian Journal of Insurance Research

The main purpose of this paper is to present an enterprise risk management for insurance companies in line with establishing Corporate Governance System with supervisory considerations. Therefore, we initially introduce theoretical aspects of international standards and frameworks of Enterprise Risk... ادامه

سال:2018

لینک به محتوا با زبان هدف

نوع سند: Article

0 دانلود

14 بازدید

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