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All Journal RISTEK : Jurnal Riset, Inovasi, dan Teknologi Kabupaten Batang RISTEK: Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang
Nugraha, Mustofa Fajar
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Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences Other

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ANALISIS DAMPAK HIDROLOGI PERUBAHAN TUTUPAN LAHAN BERDASARKAN RENCANA TATA RUANG WILAYAH: STUDI KASUS DAS SAMBONG KABUPATEN BATANG Nugraha, Mustofa Fajar; Hidayat, Reza Januar; Indriyani, Retno Ajeng Mega
RISTEK : Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang Vol 10 No 1 (2025): RISTEK :Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang
Publisher : Bapelitbang Kabupaten Batang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55686/ristek.v10i1.213

Abstract

Floods are the most common disasters in Central Java, caused by rapid urbanisation and land-use changes. This research utilises HEC-HMS continuous simulation to assess the impact of land-use planning on runoff behaviour in the Sambong Watershed, Batang Regency. The analysis compares land cover data from 2017 and 2023 with the spatial pattern projection of the 2019-2039 Spatial Plan, using daily rainfall data from 2014 to 2023. Model calibration and validation yielded satisfactory results (NSE 0.553 to 0.655, R2 0.65 to 0.67, PBIAS -5.81 to 3.47, RSR 0.668 to 0.587). Results show that increased built-up areas lead to higher peak discharges, increased runoff volume, and high flow (Q5%, Q10%, Q20%) increase, while low flow (Q80%, Q90%, Q95%) decrease, indicating increased flood risk during rainy seasons and higher drought susceptibility during dry periods. Sub-watersheds S5 and S7 experience the most significant increases in built-up areas, at 78.57% and 213.24%, respectively, with peak discharge increases of 4.20% and 27.37%. These findings suggest that the current spatial plan may exacerbate flood hazards and reduce dry season water availability, underscoring the need for improved land-use controls and integrated watershed management to ensure sustainable development and water resource conservation in Batang Regency.
PERAN KOMUNITAS RACIKA PALM DALAM PENGELOLAAN SUMBER DAYA AIR BERKELANJUTAN DI KABUPATEN BATANG Nugraha, Mustofa Fajar; Ajeng Mega Indriyani, Retno; Januar Hidayat, Reza
RISTEK : Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang Vol 10 No 1 (2025): RISTEK :Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang
Publisher : Bapelitbang Kabupaten Batang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55686/ristek.v10i1.223

Abstract

Human activities are causing global environmental changes that affect climate and water quality. Although water is crucial for life and the economy, previous management practices have not been sustainable. With increasing water demand and limited availability, new approaches to water resource management are needed for a sustainable future. Water resource management practices in Indonesia face challenges from social subsystems related to community participation in water resource management. This study employs a qualitative descriptive method supported by a Narrative Literature Review (NLR). Community participation in the Integrated Water Resources Management (IWRM) process has been emphasized by national regulations and researchers. The "Bottom-Up Planning & Management" approach involves active participation from groups or communities directly involved in resource management, as well as stakeholders affected by decisions made. The local initiative of the Racika Palm community in water resource management has led to social innovations through watershed conservation programs via reforestation, community empowerment, education on water utilization, and policy advocacy through TKPSDA and other forums. Challenges in developing community participation include financial limitations and insufficient technological utilization to expand the impact of community roles. Communities need to leverage social media and technological innovations, such as Smart Water Management (SWM), to enhance the effectiveness of water resource conservation programs. Through community involvement with broader impacts, the vision of integrated water resource management can be achieved.
ANALISIS DAMPAK HIDROLOGI PERUBAHAN TUTUPAN LAHAN BERDASARKAN RENCANA TATA RUANG WILAYAH: STUDI KASUS DAS SAMBONG KABUPATEN BATANG Nugraha, Mustofa Fajar; Hidayat, Reza Januar; Indriyani, Retno Ajeng Mega
RISTEK : Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang Vol 10 No 1 (2025): RISTEK :Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang
Publisher : Bapelitbang Kabupaten Batang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55686/ristek.v10i1.213

Abstract

Floods are the most common disasters in Central Java, caused by rapid urbanisation and land-use changes. This research utilises HEC-HMS continuous simulation to assess the impact of land-use planning on runoff behaviour in the Sambong Watershed, Batang Regency. The analysis compares land cover data from 2017 and 2023 with the spatial pattern projection of the 2019-2039 Spatial Plan, using daily rainfall data from 2014 to 2023. Model calibration and validation yielded satisfactory results (NSE 0.553 to 0.655, R2 0.65 to 0.67, PBIAS -5.81 to 3.47, RSR 0.668 to 0.587). Results show that increased built-up areas lead to higher peak discharges, increased runoff volume, and high flow (Q5%, Q10%, Q20%) increase, while low flow (Q80%, Q90%, Q95%) decrease, indicating increased flood risk during rainy seasons and higher drought susceptibility during dry periods. Sub-watersheds S5 and S7 experience the most significant increases in built-up areas, at 78.57% and 213.24%, respectively, with peak discharge increases of 4.20% and 27.37%. These findings suggest that the current spatial plan may exacerbate flood hazards and reduce dry season water availability, underscoring the need for improved land-use controls and integrated watershed management to ensure sustainable development and water resource conservation in Batang Regency.
PERAN KOMUNITAS RACIKA PALM DALAM PENGELOLAAN SUMBER DAYA AIR BERKELANJUTAN DI KABUPATEN BATANG Nugraha, Mustofa Fajar; Ajeng Mega Indriyani, Retno; Januar Hidayat, Reza
RISTEK : Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang Vol 10 No 1 (2025): RISTEK :Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang
Publisher : Bapelitbang Kabupaten Batang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55686/ristek.v10i1.223

Abstract

Human activities are causing global environmental changes that affect climate and water quality. Although water is crucial for life and the economy, previous management practices have not been sustainable. With increasing water demand and limited availability, new approaches to water resource management are needed for a sustainable future. Water resource management practices in Indonesia face challenges from social subsystems related to community participation in water resource management. This study employs a qualitative descriptive method supported by a Narrative Literature Review (NLR). Community participation in the Integrated Water Resources Management (IWRM) process has been emphasized by national regulations and researchers. The "Bottom-Up Planning & Management" approach involves active participation from groups or communities directly involved in resource management, as well as stakeholders affected by decisions made. The local initiative of the Racika Palm community in water resource management has led to social innovations through watershed conservation programs via reforestation, community empowerment, education on water utilization, and policy advocacy through TKPSDA and other forums. Challenges in developing community participation include financial limitations and insufficient technological utilization to expand the impact of community roles. Communities need to leverage social media and technological innovations, such as Smart Water Management (SWM), to enhance the effectiveness of water resource conservation programs. Through community involvement with broader impacts, the vision of integrated water resource management can be achieved.
Co-Authors Ajeng Mega Indriyani, Retno Hidayat, Reza Januar Indriyani, Retno Ajeng Mega Januar Hidayat, Reza