Assessment of Coral Reef Life-Form Classification Scheme using Multiresolution Images on Parang Island, Indonesia

  • Wahyu Lazuardi Geospatial Information Agency, Bogor, 16911, Indonesia
  • Pramaditya Wicaksono Department of Geographic Information Science, Faculty of Geography, Universitas Gadjah Mada, Yogyakarta, 55281, Indonesia http://orcid.org/0000-0001-5797-0284

Abstract

Spatial information on the varying composition of coral reefs is beneficial for the management and preservation of natural resources in coastal areas. Its availability is inseparable from environmental management goals; however, it can also be used as a means of supporting tourism activities and predicting the emergence of certain living species. A satellite image is one of the effective and efficient data sources that provide spatial information on coral reef variations. This study aimed to evaluate the classification scheme of coral reef life-form using images with different spatial resolutions on Parang Island, Karimunjawa Islands, Central Java. These images were from PlanetScope (3m), PlanetScope resampling (6m), and Sentinel-2A MSI (10m), whose spatial resolutions functioned as the base for building the 3m, 6m, and 10m classification schemes producing 12, 11, and 9 classes, respectively. As for the classification method, it integrated both object-based and pixel-based approaches. The results showed that the highest overall accuracy (60%) was obtained using Sentinel-2A MSI image (10m), followed by PlanetScope (3m) with 48% accuracy, and PlanetScope resampling (6m) with 40% accuracy. This finding indicates that multiresolution images can be used to produce complex coral reef life-form maps with different levels of information details.


Keywords: Coral reef; Life-form; Planetscope; Spatial resolution; Classification scheme


 


Copyright (c) 2021 Geosfera Indonesia and Department of Geography Education, University of Jember


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Published
2021-12-30
How to Cite
LAZUARDI, Wahyu; WICAKSONO, Pramaditya. Assessment of Coral Reef Life-Form Classification Scheme using Multiresolution Images on Parang Island, Indonesia. Geosfera Indonesia, [S.l.], v. 6, n. 3, p. 377-397, dec. 2021. ISSN 2614-8528. Available at: <https://jurnal.unej.ac.id/index.php/GEOSI/article/view/27592>. Date accessed: 25 apr. 2024. doi: https://doi.org/10.19184/geosi.v6i3.27592.
Section
Original Research Articles