Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia

Fine scale seagrass usually grows in patches along the intertidal zone which is covered by epiphytes that limits satellite imagery to obtain a clear image. Hence, to overcome this, a drone (DJI Spark) was used to cater high resolution image. This study investigates seagrass distribution with ground...

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Main Author:	Anthonysamy, Shameen Izwan
Format:	Thesis
Language:	English
Published:	2021
Subjects:	QC1 Physics (General)
Online Access:	http://eprints.usm.my/55053/1/SHAMEEN%20BINTI%20IZWAN%20ANTHONYSAMY%20-%20TESIS24.pdf
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id	my-usm-ep.55053
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spelling	my-usm-ep.550532022-09-30T10:45:08Z Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia 2021-09 Anthonysamy, Shameen Izwan QC1 Physics (General) Fine scale seagrass usually grows in patches along the intertidal zone which is covered by epiphytes that limits satellite imagery to obtain a clear image. Hence, to overcome this, a drone (DJI Spark) was used to cater high resolution image. This study investigates seagrass distribution with ground data, chlorophyll content and distinguishes seagrass condition. This study also aims to determine application of UAV on mapping and classifying images of fine scale seagrass distribution. Temporal seagrass distribution was analyzed in Pulau Gazumbo. Eight sampling stations consists of 3 quadrants whereby represents upper, middle and lower littoral zones were placed during low peak tide the size of 0.5m × 0.5m. Environmental conditions, shoots and leaves were counted and recorded for further analysis whilst temporal data was retrieved from previous studies (2003, 2006 and 2009). Seagrass leaves were collected for conventional chlorophyll extraction method whereby absorbance was read at 647nm and 664nm. Meanwhile, RS survey comprises drone imagery from each quadrant at 1.5m above ground. GIS analysis was conducted in ENVI 10.4 and ArcMap 10.2 software which includes image processing, Maximum Likelihood classification and mapping. Results showed temporal existence of Halophila ovalis followed by Halophila beccarii and Halophila spinulosa. Statistical assumptions showed insignificant distribution of seagrass between littoral zones and temporal years. Seagrass distribution was higher in the upper (42.5%) and middle littoral zone (43.75%) compared to the lower littoral zone (37.5%) which relates to environmental measures. 2021-09 Thesis http://eprints.usm.my/55053/ http://eprints.usm.my/55053/1/SHAMEEN%20BINTI%20IZWAN%20ANTHONYSAMY%20-%20TESIS24.pdf application/pdf en public masters Universiti Sains Malaysia. Pusat Pengajian Sains Fizik
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QC1 Physics (General)
spellingShingle	QC1 Physics (General) Anthonysamy, Shameen Izwan Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia
description	Fine scale seagrass usually grows in patches along the intertidal zone which is covered by epiphytes that limits satellite imagery to obtain a clear image. Hence, to overcome this, a drone (DJI Spark) was used to cater high resolution image. This study investigates seagrass distribution with ground data, chlorophyll content and distinguishes seagrass condition. This study also aims to determine application of UAV on mapping and classifying images of fine scale seagrass distribution. Temporal seagrass distribution was analyzed in Pulau Gazumbo. Eight sampling stations consists of 3 quadrants whereby represents upper, middle and lower littoral zones were placed during low peak tide the size of 0.5m × 0.5m. Environmental conditions, shoots and leaves were counted and recorded for further analysis whilst temporal data was retrieved from previous studies (2003, 2006 and 2009). Seagrass leaves were collected for conventional chlorophyll extraction method whereby absorbance was read at 647nm and 664nm. Meanwhile, RS survey comprises drone imagery from each quadrant at 1.5m above ground. GIS analysis was conducted in ENVI 10.4 and ArcMap 10.2 software which includes image processing, Maximum Likelihood classification and mapping. Results showed temporal existence of Halophila ovalis followed by Halophila beccarii and Halophila spinulosa. Statistical assumptions showed insignificant distribution of seagrass between littoral zones and temporal years. Seagrass distribution was higher in the upper (42.5%) and middle littoral zone (43.75%) compared to the lower littoral zone (37.5%) which relates to environmental measures.
format	Thesis
qualification_level	Master's degree
author	Anthonysamy, Shameen Izwan
author_facet	Anthonysamy, Shameen Izwan
author_sort	Anthonysamy, Shameen Izwan
title	Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia
title_short	Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia
title_full	Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia
title_fullStr	Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia
title_full_unstemmed	Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia
title_sort	potential application of unmanned aerial vehicle (uav) in fine scale seagrass mapping at pulau gazumbo, penang, malaysia
granting_institution	Universiti Sains Malaysia.
granting_department	Pusat Pengajian Sains Fizik
publishDate	2021
url	http://eprints.usm.my/55053/1/SHAMEEN%20BINTI%20IZWAN%20ANTHONYSAMY%20-%20TESIS24.pdf
_version_	1747822305676886016

Potential Application Of Unmanned Aerial Vehicle (Uav) In Fine Scale Seagrass Mapping At Pulau Gazumbo, Penang, Malaysia

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