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Light penetration ability assessment of satellite band for seagrass detection using landsat 8 OLI satellite data

Misbari, S. and Hashim, M. (2016) Light penetration ability assessment of satellite band for seagrass detection using landsat 8 OLI satellite data. In: 16th International Conference on Computational Science and Its Applications, ICCSA 2016, 4-7 July 2016, Beijing, China.

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Abstract

Seagrass distribution is controlled by light availability, especially at the deepest edge of the meadow. Light attenuation due to both natural and anthropogenically-driven processes leads to reduced photosynthesis. Reliability of satellite-based seagrass mapping under different water clarity that has different attenuation coefficient value is still not fully known. Understanding the minimum light requirements for growth is crucial when light conditions are insufficient to maintain a positive carbon balance, leading to a decline in seagrass growth and distribution. By comparing the seagrass-detected pixels at two different coastal locations with the corresponding depth from the nautical chart, the assessment of seagrass map derived from Landsat 8 OLI satellite data were performed. We presented the assessment of light penetration capability of Landsat 8 OLI bands in typical tropical coastal water of Malaysia, with special attention on the different water clarity that has different amount of light deprivation on the seagrass meadow.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Coastal, Light attenuation, Satellite, Seagrass
Subjects:G Geography. Anthropology. Recreation > G Geography (General) > G70.212-70.215 Geographic information system
Divisions:Geoinformation and Real Estate
ID Code:73573
Deposited By: Mohd Zulaihi Zainudin
Deposited On:26 Nov 2017 08:07
Last Modified:26 Nov 2017 08:07

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