بهبود در نقشه‌های نواحی امیدبخش اکتشافی با استفاده از رویکرد ترکیبی فرایند تحلیل شبکه‌‌ای- تاپسیس

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی دکترا، دانشکده مهندسی معدن، نفت و ژئوفیزیک، دانشگاه صنعتی شاهرود، شاهرود، ایران

2 دانشیار، دانشکده مهندسی معدن، نفت و ژئوفیزیک، دانشگاه صنعتی شاهرود، شاهرود، ایران

3 استاد، انستیتوی علوم زمین و جغرافیا، دانشگاه مارتین لوتر، هاله ویتنبرگ، آلمان

چکیده

افزایش در صحت خروجی نقشه‌های نواحی امیدبخش اکتشافی و همچنین کاهش مساحت فضای جستجو در اکتشاف از اهداف اصلی پی‌جویی اکتشافی است. انتخاب صحیح روش تلفیق داده‌های اطلاعاتی که بیشترین تطابق را با ماهیت داده‌های مورد استفاده داشته باشد، اولین قدم در این راه است. با توجه به اینکه داده‌های اکتشافی عموماً به‎صورت دوطرفه به یکدیگر وابسته‌اند و با توجه به شرط ارتباط یک‎طرفه در داده‌های مورد ارزیابی در روش تحلیل سلسه مراتبی، در این تحقیق از رویکرد تحلیل شبکه‌ای استفاده شد که می‌تواند ارتباط دوطرفه بین معیارها و زیرمعیارها را مدل کند. در این تحقیق داده‌های اکتشافی مربوط به منطقه بوانات در استان فارس جهت تهیه نقشه نواحی امیدبخش اکتشافی ذخایر ماسیوسولفید تیپ بشی با استفاده از این رویکرد استفاده و سعی در بهینه کردن دو فاکتور صحت و مساحت جستجو شد. به‌صورتی که بالاترین میزان صحت نتایج با کمترین میزان مساحت جستجو محقق شود. نتایج تحقیق نشان می‌دهد که محدوده‌های پیشنهادی توسط رویکرد تحلیل شبکه‌ای در مقایسه با روش تحلیل سلسله مراتبی که هر دو روش دانش‌محور هستند، صحت بیشتر و همچنین مساحت کمتری دارند. بر اساس این نتایج، میزان مساحت محدوده‌های پیشنهادی با استفاده از این رویکرد از 4/1138 کیلومتر مربع در رویکرد AHP به 6/952 کیلومتر مربع در رویکرد ANP، 17% درصد کاهش و میزان صحت نتایج بیش از 6% افزایش پیدا کرده است. شاخص منحنی مشخصه عملکرد سیستم (ROC) برای رویکرد تحلیل سلسله مراتبی 7609/0 بوده که به وسیله رویکرد تحلیل شبکه‌ای به 8275/0 بهبود یافته است.

کلیدواژه‌ها


عنوان مقاله [English]

Improvement in mineral prospectivity maps results using a hybrid ANP-TOPSIS approach

نویسندگان [English]

  • R. Ghasemi 1
  • B. Tokhmechi 2
  • Gregor Borg 3
1 Ph.D. Student, School of Mining, Petroleum and Geophysics Engineering, Shahrood University of Technology, Shahrood, Iran
2 Associate Professor, School of Mining, Petroleum and Geophysics Engineering, Shahrood University of Technology, Shahrood, Iran
3 Professor, Institute for Geosciences and Geography, Martin Luther University, Halle-Wittenberg, Germany
چکیده [English]

Accuracy incretion and search space reduction are the main purposes in production of mineral prospectivity maps. Choice of the suitable method for information integration in the geographical information system which has the most consistent with the nature of the used data, is the first step in achieving to this goal. Due to the fact that exploratory data are not independent and most of them has feedback among criteria and sub-criteria and according to the one-way dependence condition of the evaluated data in the Analytic Hierarchy Process (AHP) approach, an Analytic Network Process (ANP) approach is assigned. Exploratory data related to the Bavanat Region in Fars province are used, in case of providing the mineral prospectivity model for besshi type massive sulfide deposits. We tried to optimize two factors of the search area and accuracy to highest accuracy of the results and the least amount of search area. AHP as well as ANP approach, is knowledge-based approaches. The results of the research in AHP and ANP approaches in studied area indicate that, the ANP results is more reliable and has less suggested search area than AHP approach. Based on the results, suggested areas of ANP are 17% less than AHP (1138.4 Km2 in AHP has decreased to 952.6 Km2 in ANP), while, the accuracy of the results has increased more than 6%. The Receiver operating characteristic (ROC) curve index (area under the curve) shows that AHP approach ROC is 0.7609, which was improved and optimized by the ANP approach to 0.8275.
 

کلیدواژه‌ها [English]

  • Mineral prospectivity map
  • Analytic Network Process (ANP)
  • Geographic information system
  • Accuracy incretion
  • Search space reduction

کتابنگاری

جعفرنژاد، ا. و رحیمی، ح.، 1383- ارائه مدل ترکیبی پیشنهادی کیفیت خدمات (سروکوال) و تجزیه‌ و تحلیل شبکه‌ای برای رتبه‌بندی مؤسسات ارائه‌دهنده خدمات: مطالعه موردی مؤسسات ارائه‌دهنده بیمه تحت نظر بیمه مرکزی. فصلنامه مدیریت صنعتی، شماره 5.

رجب‌زاده، م. و اسماعیلی، س.، 1392- مطالعه کانه زایی کانسار مس جیان، استان فارس، با استفاده از داده های پتروگرافی و ژئوشیمیایی، مجله زمین‌شناسی اقتصادی، شماره 1، جلد 5، صص. 93 تا 104.

زبردست، ا.، 1389- کاربرد فرایند تحلیل شبکه‌ای ANP، در برنامه‌ریزی شهری و منطقه‌ای، نشریه هنرهای زیبا – معماری و شهرسازی، شماره 41.

مؤمنی، م. و آتش‌سوز، ع.، 1383- طراحی مدلی جهت برنامه‌ریزی محصول با استفاده از QFD به‌کارگیری ANP‌ و برنامه‌ریزی آرمانی. فصلنامه مدیریت صنعتی، شماره 4.

 

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