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논문 기본 정보

자료유형
학술저널
저자정보
Payam Alemi Safaval (Geological Survey & Mineral Exploration of IRAN) Seyed Ahmad Neshaei (University of Guilan) Peyman Heidarian (Beihang University) Mehrdad Khanmohammadi (University of Guilan) Fariba Ghanbarpour (University of Toledo) Zahra Azizi (Islamic Azad University) Saeed Behzadi (Shahid Rajaee Teacher Training University) Alexandros Stefanakis (Technical University of Crete)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제29권 제1호
발행연도
2024.2
수록면
173 - 185 (13page)

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초록· 키워드

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The construction of new breakwaters in Anzali port has had a significant impact on the water body of the Anzali international lagoon. The Anzali wetland is under threat from sediment influx from mountainous regions, and the study used satellite image processing to demonstrate how the construction of new breakwaters impedes the natural transfer of sediment from the lagoon to the sea. The methodology employed a hybrid approach combining two methods: normal water index (MNDWI) and supervised classification (SVM) to detect sediment accumulation in the wetland water zone. Following the construction of new breakwaters in 2009, an island formed and expanded exponentially in parts of Sorkhankol Wildlife Sanctuary"s water body. This phenomenon is attributed to decreased water flow caused by increased cross-section current and volume of water, creating a dam-like function against channel flow leading to the sea. Consequently, sediments and suspended loads settle in Sorkhankol"s water zone, leading to an increase in island area from 0.39 hectares to over 26 hectares during the studied period. Result showed Kappa coefficients by SVM algorithm for years 2002, 2010, 2012 and 2017 which were found to be 0.76, 0.62, 0.71 and 0.86 respectively indicating that SVM outperforms MNDWI in effectively monitoring landform changes.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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