Detecting Coastline Changes use GIS geospatial techniques in Island Carey- Morib Coast, Selangor, Malaysia (Mengesan Perubahan Garis Pantai menggunakan aplikasi GIS di Pulau Carey- Pantai Morib, Selangor, Malaysia)

NOR LITA FADHILAH RAMELI, MOKHTAR JAAFAR

Abstract


ABSTRACT: Coastal area is one of the very dynamic landscapes where erosion and deposition processes always occur. Therefore, a study is been conducted to detect changes of coastline caused by both processes at Carey Island-Morib coast. Geospatial technology that involved the use of GIS and satellite imagery had been apply in this study. Data sources are topography map of 1974 and SPOT image of 2008. The results show that coastal erosion process was dominant in Carey Island, while deposition process was the case for Morib coast. The average value of eroded distance is higher than the average value of deposited distance, which is 170 and 157 m, respectively. Coastal erosion process in Carey Island could be relate to the movement of big ships along Malacca Strait and Port Klang that is capable of producing big waves and eroding energy. Meanwhile deposition process in Morib coast could be relate to the transfer of land sediment to the estuary and along the coast by low-energy wave. These findings should be support with fieldwork study that could verify the effectiveness of coastal geomorphologic agents and the impact of human activities on land in influencing the changes of coastline in Carey Island-Morib coasts.

Keywords: Coastline; dynamic landscape; Selangor; Malaysia

 

ABSTRAK: Kawasan pesisiran pantai merupakan salah satu landskap yang sangat dinamik di mana proses hakisan dan pemendapan sentiasa berlaku. Oleh itu, satu kajian telah dijalankan untuk mengesan perubahan garis pantai yang disebabkan oleh kedua-dua proses di pantai Pulau Carey-Morib. Teknologi geospatial yang melibatkan penggunaan GIS dan satelit imej telah digunakan dalam kajian ini. Sumber data adalah peta topografi tahun 1974 dan imej SPOT 2008. Keputusan menunjukkan bahawa proses hakisan pantai adalah dominan di Pulau Carey, manakala proses pemendapan berlaku untuk pantai Morib. Nilai purata jarak terhakis adalah lebih tinggi daripada nilai purata jarak didepositkan iaitu 170 dan 157 m masing-masing. Proses hakisan pantai di Pulau Carey boleh dikaitkan dengan pergerakan kapal-kapal besar di sepanjang Selat Melaka dan Pelabuhan Klang yang mampu menghasilkan ombak besar dan tenaga menghakis. Sementara proses pemendapan di pantai Morib boleh dikaitkan dengan pemindahan sedimen tanah kepada muara dan di sepanjang pantai oleh gelombang tenaga rendah. Penemuan ini perlu disokong dengan kajian kerja lapangan yang boleh mengesahkan keberkesanan ejen geomorphologik pantai dan impak aktiviti manusia ke atas tanah dalam mempengaruhi perubahan garis pantai di pantai Pulau Carey-Morib.

Kata kunci: Pesisir; landskap dinamik; Selangor; Malaysia


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References


Faizal A. Ahmad. 2005. Effect of Coastal Development Guidelines against Stability in Small islands of Langkawi Island. AIP Conference Proceeding. AIP Publishing.

Kasawani I., Shah A.K.A, Elder I., Hasmadi I.M., Kamaruzaman J. 2010. Coastal Change Detection Using GIS in Setiu Lagoon, Terengganu, Malaysia. Malaysia: Faculty of Science and Technology. University Malaysia Terengganu.

Kasawani, I., Shah A.K.A, Elder I, Hasmadi IM, Kamaruzaman J. 2010. Coastal Change Detection Using GIS in Setiu Lagoon, Terengganu, Malaysia. Journal of GIS Trends: 20-26.

Komar, P.D. 1976. Beach Processes and Sedimentation. New Jersey: Prentice-Hall Inc.

Mohd Mustakim. 2012. Coast Line Detect Changes Using GIS Methods, Case Study-Kelanang Morib Beach. B. A. Academic Exercise. UKM. Bangi. Malaysia.

Muh Aris Marfai. 2011. The Hazards of coastal erosion in Central Java, Indonesia: An overview. Indonesia: Geography Faculty, Gadjah Mada University.

Sharifah Mastura S.A. 1988. Littoral Environment Observation study. No mimeographed series. 12. Bangi: National University of Malaysia.

Zakaria A.S. 1970. Geomorphology of Kelantan Delta. M, A. Thesis. University, New York.


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