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A Different Light in Predicting Ungauged Basins： Regionalization Approach Based on Eastern USA Catchments

Journal of Civil Engineering and Architecture 2013年第3期7卷 364-378页

作者： Syed Abu Shoaib Andras Bardossy Thorsten Wagener Yingchun Huang nahid sultana Department of Environmental Science Independent University Bangladesh (IUB) Dhaka 1229 Bangladesh Institute for Modelling Hydraulic and Environmental Systems University of Stuttgart Stuttgart D- 70569 Germany Department of Civil and Environmental Engineering Pennsylvania State University Pennsylvania 16802 USA Institute of Environmental Studies University of New South Wales Sydney NSW 2052 Australia

This paper reviewed the existing methods in regionalization studies to predict ungauged catchments and considering all the aspects a different methodology is developed, which is named as RDS method. ROPE （robust parameter estimation）-D （data depth）-S （spatial proximity） together gets this name RDS. Catchment properties and hydrological model parameters are used consistently to predict ungauged basin. This study explores the potential of the regionalization process to predict ungauged basins using the data of the Eastern USA catchments. Two conceptual rainfall-runoff hydrological models： HYMOD and HBV are used in this study. Analysis shows 95% success in predicting ungauged basins with HBV and 90% success with HYMOD. It is undoubtedly perceptible that RDS method is very effective in predicting ungauged basin and regionalization is independent of the conceptual rainfall-runoff model.

关键词： Ungauged basin rainfall-runoff modeling regionalization robust parameter.

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Risk Factors Associated with Various Subtypes of Ischemic Stroke: A Prospective Study in BSMMU, Dhaka, Bangladesh

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Neuroscience & Medicine 2021年第4期12卷 114-125页

作者： Mohammad Shahidullah nahid sultana Subash Kanti Dey Anis Ahmed Shukur Ali Md. Raknuzzaman Department of Neurology Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh Department of Community Medicine Dhaka National Medical College Dhaka Bangladesh Department of English University of Development Alternative (UODA) Dhaka Bangladesh National Institute of Neurosciences & Hospital Dhaka Bangladesh

Introduction: Stroke is the main cause of adult disability and the second most leading cause of death worldwide. The number of deaths due to stroke is 5.54 million worldwide. Globally, 70% of strokes and 87% of both stroke-related deaths and disability-adjusted life years occur in low and middle-income countries. Method: This was a prospective observational cross-sectional study conducted at Indoor, Outdoor, Stroke and Neuro-Intervention clinic of the Department of Neurology, Bangabandhu Sheikh Mujib Medical University Hospital (BSMMU), Dhaka, Bangladesh, from June-2019 to May-2020. A total of 220 ischemic stroke patients aged above 30 years confirmed by CT scan/MRI of brain. Data were collected with a pre-structured questionnaire from the patients, investigations reports and face-to-face interviews and analyzed using IBM SPSS software version 23.0. Proper consent was taken from the participants. The collected data were ANNOVA tests and association within the risk factors and the patterns of subtypes of ischemic stroke where P Results: Among the 220 stroke patients, large-artery atherosclerosis (LAA), cardio-embolism (CE), small-vessel occlusion (SVO, stroke of other determined etiology (SODE) and stroke of undetermined etiology (SUDE) were being observed 84 (38.18%), 14 (6.36%), 63 (28.64%), 12 (5.45%) and 47 (18.18%). Eighty-Six (39.09%) prevalence of subtypes was found in rural areas whereas 134 (60.91%) were in urban areas. The significant risk factors are associated with the prevalence of various subtypes (p Conclusion: This study prevails the people of Bangladesh are vulnerable to various subtypes of ischemic stroke. The higher prevalence of large-artery atherosclerosis (LAA) in our patients suggests the presence of uncontrolled hypertension, diabetes mellitus, smoking habit and dyslipidemia.

关键词： Risk Factors Associated Various Subtypes Ischemic Stroke TOAST Criteria Relationships Etiology

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