Spatial and temporal monitoring of drought hazards in Opak Watershed
The Opak Watershed in Yogyakarta Province has been under persistent drought threat. This study monitored drought conditions spatially and temporally using Sentinel-2 satellite imagery and rainfall data. The Standardized Precipitation Index (SPI) was employed for drought assessment based on rainfall,...
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| Format: | Article |
| Language: | English |
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EDP Sciences
2025-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/05/e3sconf_icenis2024_03041.pdf |
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| author | Suhardono Sapta Septiariva Iva Yenis Wijayanti Sovia Ibriza Naila Maulida Suryawan I Wayan Koko |
| author_facet | Suhardono Sapta Septiariva Iva Yenis Wijayanti Sovia Ibriza Naila Maulida Suryawan I Wayan Koko |
| author_sort | Suhardono Sapta |
| collection | DOAJ |
| description | The Opak Watershed in Yogyakarta Province has been under persistent drought threat. This study monitored drought conditions spatially and temporally using Sentinel-2 satellite imagery and rainfall data. The Standardized Precipitation Index (SPI) was employed for drought assessment based on rainfall, while the Normalized Difference Vegetation Index (NDVI) and Normalized Difference Moisture Index (NDMI) evaluated drought via satellite images. A Pearson correlation analysis revealed significant relationships: SPI and NDVI (r = 0.527), SPI and NDMI (r = 0.704), and NDVI and NDMI (r = 0.921). The findings provide a comprehensive understanding of drought patterns and trends, revealing critical insights into the development of drought conditions over time and across various locations within the Opak Watershed. |
| format | Article |
| id | doaj-art-f5845d673d4f49a3811d316982fbc172 |
| institution | Kabale University |
| issn | 2267-1242 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | E3S Web of Conferences |
| spelling | doaj-art-f5845d673d4f49a3811d316982fbc1722025-02-05T10:49:10ZengEDP SciencesE3S Web of Conferences2267-12422025-01-016050304110.1051/e3sconf/202560503041e3sconf_icenis2024_03041Spatial and temporal monitoring of drought hazards in Opak WatershedSuhardono Sapta0Septiariva Iva Yenis1Wijayanti Sovia2Ibriza Naila Maulida3Suryawan I Wayan Koko4Department of Environmental Sciences, Faculty of Mathematics and Natural Sciences, Universitas Sebelas MaretDepartment of Civil Engineering, Faculty of Engineering, Universitas Sebelas MaretDepartment of Environmental Sciences, Faculty of Mathematics and Natural Sciences, Universitas Sebelas MaretDepartment of Environmental Sciences, Faculty of Mathematics and Natural Sciences, Universitas Sebelas MaretDepartment of Environmental Engineering, Faculty of Infrastructure Planning, Universitas PertaminaThe Opak Watershed in Yogyakarta Province has been under persistent drought threat. This study monitored drought conditions spatially and temporally using Sentinel-2 satellite imagery and rainfall data. The Standardized Precipitation Index (SPI) was employed for drought assessment based on rainfall, while the Normalized Difference Vegetation Index (NDVI) and Normalized Difference Moisture Index (NDMI) evaluated drought via satellite images. A Pearson correlation analysis revealed significant relationships: SPI and NDVI (r = 0.527), SPI and NDMI (r = 0.704), and NDVI and NDMI (r = 0.921). The findings provide a comprehensive understanding of drought patterns and trends, revealing critical insights into the development of drought conditions over time and across various locations within the Opak Watershed.https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/05/e3sconf_icenis2024_03041.pdf |
| spellingShingle | Suhardono Sapta Septiariva Iva Yenis Wijayanti Sovia Ibriza Naila Maulida Suryawan I Wayan Koko Spatial and temporal monitoring of drought hazards in Opak Watershed E3S Web of Conferences |
| title | Spatial and temporal monitoring of drought hazards in Opak Watershed |
| title_full | Spatial and temporal monitoring of drought hazards in Opak Watershed |
| title_fullStr | Spatial and temporal monitoring of drought hazards in Opak Watershed |
| title_full_unstemmed | Spatial and temporal monitoring of drought hazards in Opak Watershed |
| title_short | Spatial and temporal monitoring of drought hazards in Opak Watershed |
| title_sort | spatial and temporal monitoring of drought hazards in opak watershed |
| url | https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/05/e3sconf_icenis2024_03041.pdf |
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