fa برآورد شاخص های مورفومتری زمین لغزش کبیرکوه پژوهشي Research <p dir="RTL" style="text-align: justify;"><strong>زمین لغزش کبیرکوه یکی از حوادث کاتاستروفیک بوده که باعث ریزش دامنه&shy;ی کبیرکوه، سدکنندگی مسیر رودخانه&shy;ی سیمره و اشکال ژئومورفولوژیکی زیادی در منطقه&shy; گردیده است. زمین لغزش مذکور در زاگرس چین خورده و 5 کیلومتری جنوب شهر پلدختر بین</strong> <strong>استان&shy;های ایلام و لرستان اتفاق افتاده است. هدف از این پژوهش بررسی شاخص</strong><strong><span dir="LTR">&shy;</span></strong><strong>های مورفومتری زمین لغزش شامل؛ </strong><strong>عرض سطح گسیختگی(</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="15" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image002.gif" width="17" ></span></strong><strong>)، طول توده جابه</strong><strong><span dir="LTR">&shy;</span></strong><strong>جا شده(</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image004.gif" width="15" ></span></strong><strong>)، </strong><strong>طول سطح گسیختگی(</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image006.gif" width="15" ></span></strong><strong>)،</strong><strong> عرض توده جابه&shy;جا شده(</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="15" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image010.gif" width="24" ></span></strong><strong>)، عمق سطح گسیختگی(</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image014.gif" width="17" ></span></strong><strong>)</strong><strong>، عمق توده جابه</strong><strong><span dir="LTR">&shy;</span></strong><strong>جا شده(</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image018.gif" width="25" ></span></strong><strong>) زمین&shy;لغزش مورد مطالعه است. همچنین</strong><strong> ضریب تغییر شکل عرضی</strong> <strong>(</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="12" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image022.gif" width="15" ></span></strong><strong><span dir="LTR">/</span></strong> <strong><span dir="LTR"><img alt="AWT IMAGE" height="14" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image024.gif" width="17" ></span></strong><strong>)، نسبت بین عمق و طول سطح گسیختگی(</strong><strong><span dir="LTR">/</span></strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="16" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image030.gif" width="20" ></span></strong>&nbsp;<strong><span dir="LTR"><img alt="AWT IMAGE" height="14" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image032.gif" width="15" ></span></strong><strong>)، ضریب تغییر شکل (</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="15" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image034.gif" width="15" ></span></strong><strong><span dir="LTR">/</span></strong> <strong><span dir="LTR"><img alt="AWT IMAGE" height="15" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image036.gif" width="16" ></span></strong><strong>) و حجم (</strong><strong><span dir="LTR">V</span></strong><strong>) زمین لغزش مورد بررسی قرار می&shy;گیرد. برای این کار از نرم&shy;افزار</strong><strong><span dir="LTR">Global</span></strong> <strong><span dir="LTR">Mapper11</span></strong><strong>، و مدل رقومی ارتفاعی</strong> <strong>همراه با نقشه&shy;های توپوگرافی 50000/1 منطقه استفاده شده است. از نرم&shy;افزارهای </strong><strong><span dir="LTR">10</span></strong> &nbsp;<strong><span dir="LTR">Surfer</span></strong><strong> و</strong><strong><span dir="LTR">ArcGis 9.3</span></strong> <strong>&nbsp;نیز برای تهیه و تولید داده&shy;ها و اطلاعات جدید استفاده شده است. بر اساس تجزیه و تحلیل این شاخص&shy;ها، </strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image040.gif" width="27" ></span></strong><strong>: برابر با 5/15 کیلومتر،</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image042.gif" width="23" ></span></strong><strong>: 06/16 کیلومتر،</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image046.gif" width="25" ></span></strong><strong>: 5/15 کیلومتر،</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image048.gif" width="20" ></span></strong><strong>: 300 متر، </strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image050.gif" width="20" ></span></strong><strong>&nbsp;: </strong><strong>300 متر،</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image040.gif" width="27" ></span></strong><strong><span dir="LTR">/</span></strong> <strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image055.gif" width="14" ></span></strong><strong>: 50/0 ،</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image057.gif" width="15" ></span></strong><strong><span dir="LTR">/</span></strong> <strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image059.gif" width="21" ></span></strong><strong>: 67/51 ،</strong><strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image061.gif" width="14" ></span></strong><strong><span dir="LTR">/</span></strong> <strong><span dir="LTR"><img alt="AWT IMAGE" height="20" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image063.gif" width="16" ></span></strong><strong>: 03/26 و حجم 3908200970 مترمکعب می&shy;باشد.</strong></p> <p>The KabirKooh landslide was studied as one of the immediate catastrophic events which causes falling rocks from the KabirKooh hillside and the obstruction of the Seymarreh river course and also formed a lot of geomorphologi&shy;cal shapes in this area. This landslide was located at 5 km of the Poldokhtar city at the south between the Ilam and Lorestan province. The main purpose of this research to provide and analyzie of Morp<span dir="RTL">&shy;</span>hom<span dir="RTL">&shy;&shy;&shy;</span>etric feature of the landslide inclusive, width of the rupture surface (<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image002.gif" width="25" >), length of the displaced mass (<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image006.gif" width="23" >), length of the rupturesurface(<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image008.gif" width="21" >), width of the displaced mass (<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image012.gif" width="28" >), the depth of the rupture surface (<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image016.gif" width="24" >), the depth of the displaced mass to it will be discussed (<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image018.gif" width="25" >),(<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image016.gif" width="24" >/<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image021.gif" width="25" >),(<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image008.gif" width="21" >/<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image016.gif" width="24" >),&nbsp;(<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image008.gif" width="21" >/<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image021.gif" width="25" >) and volume. For this work by using by using Global mapper11 software, to be conform the topographic area maps in the scale of 1/50000 and the digital elevation model. Arc Gis 9.3 and Surfer 10 software was used for preparing and producing new data and information. Considering the analyse of this indexs is, <img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image002.gif" width="25" >: equal to 15/5 <img alt="AWT IMAGE" height="24" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image031.gif" width="33" >,<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image006.gif" width="23" >: 16/06<img alt="AWT IMAGE" height="24" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image031.gif" width="33" >, <img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image012.gif" width="28" >:15.5<img alt="AWT IMAGE" height="24" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image031.gif" width="33" >,<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image016.gif" width="24" >: 300 M,<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image018.gif" width="25" >: 300 M, <img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image008.gif" width="21" >/<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image021.gif" width="25" ><span dir="RTL">:</span>0.50, <img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image016.gif" width="24" >/<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image021.gif" width="25" ><span dir="RTL">:</span>51.67, <img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image008.gif" width="21" >/<img alt="AWT IMAGE" height="21" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image016.gif" width="24" ><span dir="RTL">:</span>26.03 and volume 3908200970 <img alt="AWT IMAGE" height="24" src="file:///C:DOCUME~1ADMINI~1LOCALS~1Tempmsohtmlclip1�1clip_image047.gif" width="23" >.</p> زمین لغزش, کبیرکوه, کاتاستروفیک, مورفومتری, اشکال ژئومورفولوژیکی. Landslide, KabirKooh, Catastrophic, Geomorphic Land­form, Morp­hom­­­etry. 31 53 http://jgs.khu.ac.ir/browse.php?a_code=A-10-2-23&slc_lang=fa&sid=1 حجت اله بیرانوند hojat359@yahoo.com 10031947532846003571 10031947532846003571 Yes دانشگاه اصفهان مژگان انتظاری entezary54@yahoo.com 10031947532846003572 10031947532846003572 No دانشگاه اصفهان عبداله سیف abdsafe@yahoo.com 10031947532846003573 10031947532846003573 No دانشگاه اصفهان