Yustika Purnama, Adam Irwansyah Fauzi, Rian Nurtyawan, Anjar Dimara Sakti, Muhammad Ulin Nuha, Nova Anika, Raden Putra, Diyanti Isnani Siregar, Budhi Agung Prasetyo, Atriyon Julzarika, Ketut Wikantika
Singkarak Lake has a central role for the surrounding community. To achieve SDGs Goal 6, Singkarak Lake is decided as one of the fifteen lakes to be managed sustainably based on the Indonesian Lake National Conference 2011. Therefore, this research aims to monitor the surface water area of Singkarak Lake using Landsat 5, 7 and 8 surface reflectance data from 2001 to 2019. The surface water body was extracted using a water detection rule algorithm involving three remote sensing indices, i.e., NDVI, mNDWI and EVI. Furthermore, the result was compared with Joint Research Center Yearly Water Classification History data. The result of two decades monitoring shows that the surface water of Singkarak Lake fluctuated with an average of 10,683 ha. The lowest surface water area was in 2012 with 10,579 ha, while the largest surface water area was in 2019 with 10,754 ha. The comparative analysis obtained an average deviation of 122 ha or 1.13%. From the quantitative aspect, this study has proven that the area of Singkarak Lake is relatively constant. Further study can be improved by involving the water level and qualitative aspects such as chlorophyll-a content. © 2023 Author(s).
Department of Geomatics Engineering, Faculty of Regional and Infrastructure Technology, Institut TeknologiSumatera, Lampung, 35365, Indonesia; Department of Geodesy Engineering, National Institute of Technology, 23 PH.H. Mustofa Street, Bandung, 40124, Indonesia; Center for Remote Sensing, Institut Teknologi Bandung, Bandung, 40132, Indonesia; Remote Sensing and Geographic Information Science Research Group, Faculty of Earth Sciences and Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia; Center of Sustainable Development Goals, Institut Teknologi Bandung, Bandung, 40132, Indonesia; Department of Biosystems Engineering, Institut Teknologi Sumatera, Selatan, Lampung, 35365, Indonesia; Department of Environmental Engineering, Institut Teknologi Sumatera, Selatan, Lampung, 35365, Indonesia; Research and Innovation Center for Disaster Mitigation and Early Detection of Forest Fires, Institut Teknologi Sumatera, Selatan, Lampung, 35365, Indonesia; Department of Forestry Engineering, Institut Teknologi Sumatera, Selatan, Lampung, 35365, Indonesia; Department of Marine Environmental Science, Institut Teknologi Sumatera, Selatan, Lampung, 35365, Indonesia; Indonesian National Institute of Aeronautics and Space (LAPAN), Indonesia; Research and Innovation Center for Geospatial Information Science, Institut Teknologi Sumatera, Selatan, Lampung, 35365, Indonesia
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