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پهنه بندی سیلاب در نواحی شهری با استفاده از مدل هیدرولوژیکی و اطلاعات میدانی (مطالعۀ موردی: سیل بردسیر، استان کرمان) | ||
| اکوهیدرولوژی | ||
| مقاله 2، دوره 8، شماره 2، تیر 1400، صفحه 331-344 اصل مقاله (1.94 M) | ||
| نوع مقاله: پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ije.2021.314075.1423 | ||
| نویسندگان | ||
| رضا حسن زاده* 1؛ مهدی هنرمند2؛ مهدیه حسینجانی زاده1؛ صدیقه محمدی1 | ||
| 1استادیار گروه اکولوژی، پژوهشگاه علوم و تکنولوژی پیشرفته و علوم محیطی، دانشگاه تحصیلات تکمیلی صنعتی و فناوری پیشرفته، کرمان، ایران | ||
| 2دانشیار گروه اکولوژی، پژوهشگاه علوم و تکنولوژی پیشرفته و علوم محیطی، دانشگاه تحصیلات تکمیلی صنعتی و فناوری پیشرفته، کرمان، ایران | ||
| چکیده | ||
| در تحقیق حاضر نقش مدلهای هیدرولوژیکی در GIS و اطلاعات میدانی به عنوان اطلاعات مردمی در پهنهبندی سیلاب و آبگرفتگی ناشی از وقوع سیل در شهر بردسیر، در استان کرمان، بررسی شده است. به‌منظور انجام تحقیق پیش رو، اطلاعات لازم شامل اطلاعات مکانی، توپوگرافی، هیدرولوژی و کاربری اراضی و همچنین، اطلاعات میدانی از طریق پرسشنامه و مصاحبۀ رودررو با مردم ساکن در منطقۀ مطالعاتی گردآوری شد. سپس، نقشۀ محدودۀ آبگرفتگی در شهر با استفاده از مدل HEC-RAS و اطلاعات میدانی تهیه شد که به‌ترتیب مساحت 13/1 و 25/2 کیلومترمربع آبگرفتگی مناطقی از شهر بردسیر را نشان می‌دهند. مقایسۀ نقشۀ محدودۀ آبگرفتگی تولیدشده توسط مدل و اطلاعات میدانی با اطلاعات واقعی، به‌ترتیب صحت کلی 16/59 درصد و 07/80 درصد است که صحت بیشتر اطلاعات میدانی در تعیین محدودۀ آبگرفتگی در منطقۀ مطالعاتی را نشان می‌دهد. اما با ترکیب خروجی مدل با اطلاعات میدانی، صحت نقشۀ ترکیبی در مقایسه با دادههای واقعی به 27/80 درصد افزایش یافت که این مطلب نشاندهندۀ تأثیر اطلاعات میدانی در مدیریت خطر سیل است و اگر محققان هیدرولوژی اطلاعات میدانی وقوع سیلابهای گذشته در محدودۀ مطالعاتی را گردآوری کرده و آنها را در طراحی مقاطع عرضی و محدودۀ پهنۀ آبگیر رودخانه استفاده کنند، بی‌شک نتایج حاصل از مدلهای هیدرولوژیکی واقعیتر و کاربردیتر خواهند بود. بنابراین، نتایج این تحقیق نشاندهندۀ اهمیت کاربرد اطلاعات میدانی در ترکیب با مدلهای هیدرولوژیکی به‌منظور کمک به برنامه‌ریزان مدیریت شهری و مدیریت سیل در مناطق تحت تأثیر است. | ||
| کلیدواژه‌ها | ||
| آبگرفتگی؛ اطلاعات میدانی؛ بردسیر؛ سیل؛ کرمان؛ HEC-RAS | ||
| عنوان مقاله [English] | ||
| Flood zoning in urban areas using hydrological modelling and survey data: Case study of Bardsir city, Kerman Province | ||
| نویسندگان [English] | ||
| Reza Hassanzadeh1؛ Mehdi Honarmand2؛ Mahdieh Hossinjanizadeh1؛ Sedighe Mohammadi1 | ||
| 1Department of Ecology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran | ||
| 2Department of Ecology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran. | ||
| چکیده [English] | ||
| This research explores the role of hydrological modelling in geographical information system (GIS) and survey data as crowdsourcing (CS) in flood risk management in the study area of Bardsir, Kerman Province, Iran. In order to conduct this research required spatial data including topography, land-use and hydrology were collected from relevant organization, also crowdsourced data were gathered through interview survey in the study area. Modeled and survey inundation maps of the study area were produced using HEC-RAS and crowdsourced data analysis indicating the Inundation area of 1.13 km2 and 2.25 km2, respectively. The results of comparison of these maps with the real data indicated 59.16 and 80.07 percentage accuracy. The combined inundation map of the HEC-RAS and CS showed an increase in accuracy result to 80.27 percentage indicating the effectiveness of crowdsourced data in flood risk management. Based on these results, researcher can collect crowd sourced data regarding previous flood occurrences in the study area to improve the hydrological modeling in regard to the design of flood plain extent and determining cross section of rivers. As, combined results of hydrological modeling and crowdsourcing can assist decision makers and planers in managing flood risks. | ||
| کلیدواژه‌ها [English] | ||
| Crowdsourcing, HEC-RAS, Hydrological modelling, Bardsir | ||
| مراجع | ||
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