Remote Sensing and GIS Applications in Environmental Sciences

Evaluation of geodiversity and land protection of Arjan International Wetlandcatchment area using GIS and Fragstase software

Document Type : Original Article

Authors

1 Hydrology and Geomorphology, Faculty of Geography and Environmental Sciences, Hakim Sabzevari University

2 Hakim Sabzevari university

3 University of Isfahan, Isfahan, Iran

10.22034/rsgi.2024.63144.1096

Abstract

Geodiversity is the geographical variety of materials, forms, and terrestrial processes that make up the planet Earth. Land diversity is a basic term to determine the importance of non-living resources of nature, therefore, the expansion of studies related to geodiversity, especially in Iran, which has a lot of geological and geomorphological richness, can open a new window in the field of understanding the natural potentials of different regions of the country. One of the effective and potential goals in tourism is geological diversity or geodiversity and more importantly, geomorphological diversity, which can be considered as the main foundations of tourism in Iran. Arjan Plain, which is located 60 km southwest of Shiraz in the fold zone of the Zagros, is virgin and important from the point of view of tourism due to the presence of various karst forms such as Cheshme, Dolin, Lapieh, Punor, Hams, Cascade, Teng, and Dareh. In this research, an analytical and practical research method has been used. Geodiversity indicators were carried out in ARCMAP, Fragstats software environment, and the results of the research showed that in the southern part of Polie Arjan, the GDI index is equal to 11.04. Due to the mountainous topography and higher altitude, more rainfall, and lower temperature, and on the other hand, the presence of the Asmari limestone formation, many and varied forms of karst have been developed in this section, as well as the SIEI, SHEI, SHDI, SIDI, MSIDI, MSIEI is equal to 1.56, 0.87, 0.77, 0.92, 1.47 and 0.82, respectively. It has caused the expansion and diversity of geodiversity in the region.

Keywords

Main Subjects

ژئودایورسیتی، تنوع جغرافیایی انواع مواد، اشکال و فرایندهای زمینی است که سیاره زمین را تشکیل می‌دهند. از این رو، گسترش مطالعات مرتبط با ژئودایورسیتی به خصوص در ایران که از غنای زمین شناختی و ژئومورفولوژیکی فراوانی برخوردار است، می‌تواند دریچه‌ای جدید را در زمینه شناخت پتانسیل‌های طبیعی مناطق مختلف کشور بگشاید. در واقع یکی از اهداف مؤثر و بالقوه در گردشگری، تنوع زمین‌شناختی یا ژئودایورسیتی و مهمتر از آن تنوع ژئومورفولوژیک است که به عنوان پایه‌های اصلی گردشگری در ایران می‌تواند محسوب شود. تالاب بین المللی دشت ارژن که در 60 کیلومتری جنوب غربی شیراز در زون زاگرس چین خورده قرار دارد. به دلیل دارابودن اشکال متنوع کارستی ازقبیل چشمه، دولین، لاپیه، پونور، هامس، آبشار، تنگ و دره از نظر توریستی بکر و حائز اهمیت است. روش تحقیق در این پژوهش تحلیلی و کاربردی می باشد از شاخص‌های ژئودایورسیتی در محیط نرم افزار ARCMAP، Fragstats  انجام گرفت و نتایج حاصل از پژوهش نشان داد که در بخش جنوبی پولیه  ارژن شاخص GDI  برابر 04/11 می باشد که به واسطه شرایط توپوگرافی کوهستانی و ارتفاع بیشتر، بارش فراوان تر و دمای کمتر و ازطرف دیگر وجود سازند آهک آسماری اشکال زیاد و متنوعی از کارست در این بخش توسعه یافته است و همچنین میزان شاخص های SIEI، SHEI، SHDI، SIDI، MSIDI، MSIEI به ترتیب برابر است با 56/1، 87/0، 77/0، 92/0، 47/1 و 82/0 می باشد.سبب گسترش و تنوع ژئودایورسیتی در منطقه شده است.

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Remote Sensing and GIS Applications in Environmental Sciences
Volume 4, Issue 11
August 2024
Pages 125-105
  • Receive Date: 28 August 2024
  • Revise Date: 28 September 2024
  • Accept Date: 17 October 2024