Differentiation of Coastal Sedimentary Environments using GIS and RS Techniques (Case Study: Coasts of Chabahar Gulf)
Publish place: International journal of Advanced Biological and Biomedical Research، Vol: 2، Issue: 3
Publish Year: 1393
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJABBR-2-3_008
تاریخ نمایه سازی: 26 اسفند 1394
Abstract:
The coastal region of Chabahar Gulf with 1113.7km2 area has been located in the southeast of Iran. In this research, satellite images of ETM+ (2004) were used in order to zoning of sedimentary environments in this Gulf. Methodology of this research was baesd on synthesis of supervised and unsupervisedclassifications in GIS and ENVI softwares. Based on studies and calculation of OIF index, the best selected bands to differentiation of sedimentary environments are 1, 5 and 7 bands of ETM+ that had most information. Zoning maps indicate that in the study area, wide bodies of sedimentary environmentsconsist of profound marine environment (41.13%), Shallow marine environment (7.9%), Sabkha and saltflats (3.07%), Intertidal and lagoon (1.2%), Delta (1.33), Siliciclastic barrier and Aeolian dune (6.45%), Loose Sandy sediments (11.98%), Mud flats (26.93%).
Keywords:
Chabahar Gulf , Satellite Images of ETM+ , Sedimentary Environments , Supervised and Unsupervised Classifications
Authors
Mostafa Moradi Dashtpagerdi
Karoon Watershed Management Office (KWMO), Chaharmahal va Bakhtiari Natural Resources Organization, Shahrekord, Iran
Payman Rezaee
Department of Geology, Hormozgan University، Bandar Abbas
Ali Rostamnejad
Department of Geology, Hormozgan University، Bandar Abbas
Diba Ghonchepour
Graduated watershed management, Faculaty of Agricultuure and Natural Resources, Hormozgan University, Bandar Abbas