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واکاوی عوامل مؤثر بر آسیبپذیری پهنههای شهر پلدختر در مقابل روانآبها و مخاطره سیلاب | ||
| برنامه ریزی توسعه کالبدی | ||
| مقاله 4، دوره 12، شماره 3 - شماره پیاپی 39، آذر 1404، صفحه 61-76 اصل مقاله (1.09 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.30473/psp.2026.75713.2781 | ||
| نویسنده | ||
| ابراهیم مولوی* | ||
| استادیار گروه شهرسازی، دانشکده هنر و معماری، دانشگاه بوعلی سینا، همدان، ایران. | ||
| چکیده | ||
| هر ساله سیلاب در مناطق مختلف شهری موجب خسارات جانی و مالی فراوانی میگردد. این مخاطره علاوه بر تخریب تأسیسات و تجهیزات شهری روندهای جاری زندگی شهروندان را مختل نموده و مدیریت شهری را با چالشهای بزرگی روبرو میسازد. شهر پل دختر در استان لرستان تقریباً هر ساله با این پدیده طبیعی مواجه است. رودخانه کشکان سرشاخه اصلی کرخه، شهر را به دوقسمت غربی و شرقی تقسیم نموده، که طغیانهای فصلی این رودخانه آسیبهای جدی را بر پیکره شهر وارد نموده است. بر این اساس هدف اساسی این تحقیق بررسی و شناسایی شاخصها و متغیرهایی است که موجب آسیبپذیر نمودن شهر و شهروندان در مقابل این مخاطره میگردد. اطلاعات مورد نیاز از دادههای کتابخانهای و میدانی حاصل شده است. جهت تجزیه و تحلیل دادهها از آمارهای سری زمانی، شاخص spi و مدل رگرسیون قدم به قدم در محیط GIS استفاده شد. نتایج این بررسی بیانگر این واقعیت است که از بین ابعاد سه گانه مورد بررسی در شهر پلدختر شاخص عناصر و عوامل طبیعی با (57/0) عوامل ساختاری – کالبدی با(32/0) و بعد عوامل انسانی- اجتماعی با(17/0) به ترتیب بیشترین میزان تأثیرآسیب پذیر نمودن شهر پلدختر در مقابل سیلاب را به خود اختصاص دادهاند. بر همین اساس مشخص شد که با توجه به پروفیلهای ارتفاعی، مناطق غربی شهر و کرانه شرقی رودخانه کشکان پهنههای شهری پر خطر در معرض سیلاب های فصلی هستند. نتایج این بررسی میتواند در تصمیم گیریهای مدیریت شهری سودمند و تابآوری شهری را تقویت کند. | ||
| کلیدواژهها | ||
| آسیبپذیری؛ پلدختر؛ سیلاب شهری؛ سری زمانی؛ پهنههای شهری پر خطر | ||
| عنوان مقاله [English] | ||
| Assessment of determinants impacting the vulnerability and resilience of the urban environment of Pol-e-Dokhtar in terms of water runoff and flooding | ||
| نویسندگان [English] | ||
| Ebrahim Molavi | ||
| Assistant Professor, Department of Urbanism, Faculty of Art and Architecture, Bu-Alisina University, Hamadan, Iran. | ||
| چکیده [English] | ||
| Flooding occurs in many urban environments each year, resulting in significant human and financial losses. In addition to impacting urban infrastructure and machinery, this risk disrupts the everyday lives of citizens, and poses substantial challenges to urban management. Pol-e-Dokhtar in the southern area of Lorestan province is one of many areas throughout the province and country that face the natural hazard of flooding on almost an annual basis. Within the urban area of Pol-e-Dokhtar, the Kashkan River, a primary branch of the Karkheh, has bifurcated the urban structure into an eastern and western half, and has inflicted significant damage to the urban structure during seasonal flooding events. Therefore, the main objective of the research is to investigate and identify the categorisation of indicators and variables that render the Urban and the public at risk of flooding. Required Information includes library and field datasets. The research methodology employed time series statistical analysis, SPI index, and stepwise regression methodology via GIS system apparatus for data analysis.The findings of this research have revealed that across the three dimensions studied in Pol-e-Dokhtar city, the natural elements and factors dimension with (0.57), the structural-physical factors dimension with (0.32), and the human-social factors dimension with (0.17), has the most significant impact on making Pol-e-Dokhtar city vulnerable to flooding. Therefore, it has been concluded that, with respect to the elevation profiles, the western cities and near the eastern bank of the Kashkan River, are the high-risk urban areas vulnerable to seasonal flooding. The findings of this study can be helpful for decision-making in urban management and strengthen urban resilience indicators. | ||
| کلیدواژهها [English] | ||
| Vulnerability, Pol-e-Dokhtar, Urban flooding, Time series, High-risk Urban areas | ||
| مراجع | ||
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