شبیه‌سازی رفتار آتش با استفاده از مدل آتش FlamMap در برنامه Arcfuels (مطالعه موردی جنگل‌کاری‌های تخسَم در استان گیلان)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار، بخش تحقیقات منابع طبیعی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی گیلان، سازمان تحقیقات، آموزش و ترویج کشاورزی،رشت، ایران

2 استادیار، گروه جنگلداری، دانشکده منابع طبیعی دانشگاه گیلان، صومعه‏ سرا، ایران

3 استاد، گروه جنگلداری، دانشکده منابع طبیعی دانشگاه گیلان، صومعه‏ سرا، ایران

4 دانشیار، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

چکیده

با شناسایی مدل‌های سوخت و به دنبال آن شناخت رفتار آتش می‌توان اسباب لازم را در مدیریت مهار و کنترل آتش فراهم کرد. هدف از این تحقیق، بررسی رفتار آتش در جنگل‌کاری‌های کاج تدا در روستای تخسَم در استان گیلان بود که به‌وسیله مدل آتش FlamMap از برنامه Arcfuels ارزیابی شد. مواد سوختنی از خط نمونه Brown و از روش FLM و با استفاده از نمونه‌هایی که به شکل تصادفی منظم انتخاب شدند، برآورد شد. فایل سیمای منظر با استفاده از نقشه‌های شیب، جهت، ارتفاع، مدل سوخت و تاج‌پوشش ساخته شد. سپس لایه رطوبت سوخت محاسبه شده و لایه‌های آب وهوا و باد تهیه شده از ایستگاه سینوپتیک شهرستان رشت به مدل آتش معرفی شدند. با انتخاب لکه آتش‌سوزی، گستره آتش و بعضی دیگر از نقشه‌های رفتار آتش توسط مدل آتش، شبیه‌سازی شد. نتایج نشان داد که مدل FlamMap با بیش‌برآورد 35/1 هکتار و کم‌برآورد 54/0 هکتار و با ضریب کاپا 83/0 از اعتبار بالایی در ارزیابی آتش‌سوزی منطقه مورد پژوهش برخوردار بود. 

کلیدواژه‌ها

عنوان مقاله [English]

Fire behavior simulation using the FlamMapfire modeling in ArcFuels program (Case study: Pinustaeda forestation in Takhsam, Gilan province)

نویسندگان [English]

  • M. Amin Amlashi 1
  • M. Ghodskha 2
  • A. Islam Bonyad 3
  • H. Porbabaei 3
  • M. Jafari 4
  • V. Gholami 2
چکیده [English]

Identification of the fuel models and subsequent recognition of the fire behavior can provide necessary tools for fire management and control. This study set out to identify the fire behavior in the loblolly pine plantations at Takhsam village in Gilan province that was evaluated by FlamMap model from ArcFuels program in the ArcGIS. Fuel materials were estimated by line sampling of Brown and the fuel load method (FLM), chosen by systematic random sampling. Landscape file (LCP) was made by maps of slope, aspect, elevation, fuel model and canopy. Then fuel moisture layer was calculated and weather as well as wind layers from Rasht synoptic station were introduced in the fire model. With selection of fire spot, fire spreading and some of the fire behavior maps were simulated by the fire model. The results showed that FlamMapmodel with overestimated and underestimated areas of 1.35 and 0.54 ha, respectively, and kappa coefficient of 0.83 has high validity in evaluation of wildfire in this state.

کلیدواژه‌ها [English]

  • Fire behavior
  • Fire model
  • Fuel model
  • Gilan Province

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تحقیقات حمایت و حفاظت جنگلها و مراتع ایران
دوره 14، شماره 1
دی 1395
صفحه 1-11

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سابقه مقاله

  • تاریخ دریافت: 23 اسفند 1394
  • تاریخ بازنگری: 14 دی 1395
  • تاریخ پذیرش: 27 مرداد 1395

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