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Results for “"Ashraf Dewan"”

31+ results

The use of watershed geomorphic data in flash flood susceptibility zoning: a case study of the Karnaphuli and Sangu river basins of Bangladesh

Verified

Mohammed Sarfaraz Gani Adnan, Ashraf Dewan, Khatun E. Zannat, Abu Yousuf Md Abdullah

Journal: Natural HazardsYear: 2019Citations: 141
Physical Sciences
Environmental Science
Global and Planetary Change
Open Access
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Landslide Susceptibility Mapping with Deep Learning Algorithms

Verified

Jules Maurice Habumugisha, Ningsheng Chen, Mahfuzur Rahman, Md Monirul Islam et al.

Journal: SustainabilityYear: 2022Citations: 136

Among natural hazards, landslides are devastating in China. However, little is known regarding potential landslide-prone areas in Maoxian County. The goal of this study was to apply four deep learning algorithms, the convolutional neural network (CNN), deep neural network (DNN), long short-term memo...

Physical SciencesEnvironmental ScienceManagement, Monitoring, Policy and LawOpen Access
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Melatonin in Alzheimer’s Disease: A Latent Endogenous Regulator of Neurogenesis to Mitigate Alzheimer’s Neuropathology

Verified

Md. Farhad Hossain, Md. Sahab Uddin, G. M. Sala Uddin, Dewan Md. Sumsuzzman et al.

Journal: Molecular NeurobiologyYear: 2019Citations: 133

Melatonin, a pineal gland synthesized neurohormone is known as a multifunctioning pleiotropic agent which has a wide range of neuroprotective role in manifold age-related neurodegenerative disorders especially Alzheimer's diseases (AD). AD is a devastating neurodegenerative disorder and common form ...

Life SciencesNeuroscienceEndocrine and Autonomic Systems
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Application of stacking hybrid machine learning algorithms in delineating multi-type flooding in Bangladesh

Verified

Mahfuzur Rahman, Ningsheng Chen, Ahmed Elbeltagi, Md Monirul Islam et al.

Journal: Journal of Environmental ManagementYear: 2021Citations: 112

Floods are among the most devastating natural hazards in Bangladesh. The country experiences multi-type floods (i.e., fluvial, flash, pluvial, and surge floods) every year. However, areas prone to multi-type floods have not yet been assessed on a national scale. Here, we used locally weighted linear...

Physical SciencesEnvironmental ScienceGlobal and Planetary Change
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Application of Bivariate and Multivariate Statistical Techniques in Landslide Susceptibility Modeling in Chittagong City Corporation, Bangladesh

Verified

Bayes Ahmed, Ashraf Dewan

Journal: Remote SensingYear: 2017Citations: 112

The communities living on the dangerous hillslopes in Chittagong City Corporation (CCC) in Bangladesh recurrently experience landslide hazards during the monsoon season. The frequency and intensity of landslides are increasing over time because of heavy rainfall occurring over a few days. Furthermor...

Physical SciencesEnvironmental ScienceManagement, Monitoring, Policy and LawOpen Access
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Immediate psychological responses during the initial period of the COVID-19 pandemic among Bangladeshi medical students

Verified

Farhana Safa, Afifa Anjum, Sahadat Hossain, Tonima Islam Trisa et al.

Journal: Children and Youth Services ReviewYear: 2020Citations: 108

Background The most recent global pandemic of COVID-19 has been creating multidimensional damages, including a detrimental impact on the mental health status of individuals. Medical students, a vulnerable cross-section of the population, may have perceived a myriad of psychological stressors during ...

Social SciencesPsychologyClinical PsychologyOpen Access
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Diurnal and seasonal trends and associated determinants of surface urban heat islands in large Bangladesh cities

Verified

Ashraf Dewan, Grigory Kiselev, Dirk Botje

Journal: Applied GeographyYear: 2021Citations: 107

Many surface urban heat island (SUHI) studies have been conducted around the globe, however there is still a lack of information available regarding the intensity of SUHI (SUHII) in Bangladesh cities. This study focused on diurnal and seasonal SUHI variability, temporal trends and possible drivers i...

Physical SciencesEnvironmental ScienceEnvironmental EngineeringOpen Access
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Lightning activity associated with precipitation and CAPE over Bangladesh

Verified

Ashraf Dewan, Emmanuel T. Ongee, M. Rafiuddin, Md. Masudur Rahman et al.

Journal: International Journal of ClimatologyYear: 2017Citations: 97

ABSTRACT Satellite‐derived lightning data for 17 years (1998–2014) were used to evaluate the relation between environmental factors and lightning activity over the Bangladesh landmass. Time series convective available potential energy (CAPE) data were extracted from ERA‐40 reanalysis data while tota...

Physical SciencesPhysics and AstronomyAstronomy and Astrophysics
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The Role of Climate Variability in the Spread of Malaria in Bangladeshi Highlands

Verified

Ubydul Haque, Masahiro Hashizume, Gregory E. Glass, Ashraf Dewan et al.

Journal: PLoS ONEYear: 2010Citations: 95

BACKGROUND: Malaria is a major public health problem in Bangladesh, frequently occurring as epidemics since the 1990s. Many factors affect increases in malaria cases, including changes in land use, drug resistance, malaria control programs, socioeconomic issues, and climatic factors. No study has ex...

Health SciencesMedicinePublic Health, Environmental and Occupational HealthOpen Access
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Vulnerability of Australia to heatwaves: A systematic review on influencing factors, impacts, and mitigation options

Verified

Mohammed Sarfaraz Gani Adnan, Ashraf Dewan, Dirk Botje, Shamsuddin Shahid et al.

Journal: Environmental ResearchYear: 2022Citations: 94

BACKGROUND Heatwaves have received major attention globally due to their detrimental effects on human health and the environment. The frequency, duration, and severity of heatwaves have increased recently due to changes in climatic conditions, anthropogenic forcing, and rapid urbanization. Australia...

Physical SciencesEnvironmental ScienceHealth, Toxicology and MutagenesisOpen Access
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Location-allocation modeling for emergency evacuation planning with GIS and remote sensing: A case study of Northeast Bangladesh

Verified

Mahfuzur Rahman, Ningsheng Chen, Md Monirul Islam, Ashraf Dewan et al.

Journal: Geoscience FrontiersYear: 2020Citations: 92

This work developed models to identify optimal spatial distribution of emergency evacuation centers (EECs) such as schools, colleges, hospitals, and fire stations to improve flood emergency planning in the Sylhet region of northeastern Bangladesh. The use of location-allocation models (LAMs) for eva...

Social SciencesBusiness, Management and AccountingOrganizational Behavior and Human Resource ManagementOpen Access
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Particle swarm optimization based LSTM networks for water level forecasting: A case study on Bangladesh river network

Verified

Jannatul Ferdous Ruma, Mohammed Sarfaraz Gani Adnan, Ashraf Dewan, Rashedur M. Rahman

Journal: Results in EngineeringYear: 2023Citations: 91

Floods are one of the most catastrophic natural disasters. Water level forecasting is an essential method of avoiding floods and disaster preparedness. In recent years, models for predicting water levels have been developed using artificial intelligence techniques like the artificial neural network ...

Physical SciencesEnvironmental ScienceEnvironmental EngineeringOpen Access
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Urban green and blue space changes: A spatiotemporal evaluation of impacts on ecosystem service value in Bangladesh

Verified

Shahriar Abdullah, Mohammed Sarfaraz Gani Adnan, Dhrubo Barua, Md Mahbub Murshed et al.

Journal: Ecological InformaticsYear: 2022Citations: 91
Physical SciencesEnvironmental ScienceGlobal and Planetary Change
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Evaluating severity–area–frequency (SAF) of seasonal droughts in Bangladesh under climate change scenarios

Verified

Mahiuddin Alamgir, Najeebullah Khan, Shamsuddin Shahid, Zaher Mundher Yaseen‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ et al.

Journal: Stochastic Environmental Research and Risk AssessmentYear: 2020Citations: 91
Physical SciencesEnvironmental ScienceGlobal and Planetary Change
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Hydroclimatological variability and dengue transmission in Dhaka, Bangladesh: a time-series study

Verified

Masahiro Hashizume, Ashraf Dewan, Toshihiko Sunahara, Mohammed Ziaur Rahman et al.

Journal: BMC Infectious DiseasesYear: 2012Citations: 89

BACKGROUND: While floods can potentially increase the transmission of dengue, only few studies have reported the association of dengue epidemics with flooding. We estimated the effects of river levels and rainfall on the hospital admissions for dengue fever at 11 major hospitals in Dhaka, Bangladesh...

Health SciencesMedicinePublic Health, Environmental and Occupational HealthOpen Access
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