Analisis Perubahan Sedimentasi Total Suspended Solids (TSS) Menggunakan Citra Satelit Sentinel-2A: (Studi Kasus: Waduk Wonorejo, Kabupaten Tulungagung)

Bowo Eko Cahyono; Ach. Fauzan  Mas’udi; Anila Kusuma Mawar Dhani; Mutmainnah Mutmainnah

Authors

Bowo Eko Cahyono Universitas Jember
Ach. Fauzan Mas’udi Universitas Jember
Anila Kusuma Mawar Dhani Universitas jember
Mutmainnah Mutmainnah Universitas Jember

Keywords:

Reservoir, Water Quality, TSS, Satellite Imagery, Sentinel 2A

Abstract

Wonorejo Reservoir is one of the reservoirs in Indonesia that is used as a supplier of raw water for PDAMs in the Surabaya area. The presence of sedimentation will reduce the volume of air that can be used. Wonorejo Reservoir has an area of 3,850 hectares, it will require energy and that is not small if done conventionally. Remote sensing technology with Sentinel 2A satellite imagery can be used as an alternative technology that is more efficient in monitoring sedimentation reservoirs. Monitoring of reservoir sedimentation can be observed from the development of the total suspension solid (TSS) value. This study aims to monitor sedimentation in the Wonorejo Reservoir for the 2016-2019 period. Sentinel image data taken in 2016, 2017, 2018, and 2019. The data used is data with a cloud cover level of less than 30%. The results of multitemporal TSS processing for the 2016-2019 period show the quality of the Wonorejo Reservoir TSS in general is starting to improve. The heavily polluted/sedimented TSS class decreased from 265.6 ha in 2016 to 0 ha in 2019.

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