The Analysis of the Land Cover Changes to Surface Flows of Bulok Watershed, Lampung Province
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Published:
May 31, 2024
Keywords:
rainfall; river discharge, runoff, way bulok sub-basin, forest cover
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Abstract
The Way Bulok Watershed (DAS) is a tributary of the Way Sekampung Watershed which is administratively located in Pringsewu Regency, Lampung Province. The use of land cover due to increasing human numbers and activities has a significant impact on surface flow (runoff) of the Way Bulok Sub-watershed. This research aims to analyze changes in land cover and to determine the effect of changes in land cover on surface flow in the Way Bulok Sub-watershed area. The results of research conducted show that total rainfall has increased, in 2011 rainfall was 1342 mm/year and in 2017 it increased to 1570 mm/year. This is in line with the increase in river discharge, where the annual average river discharge in 2011 was 21.69 m3/s, increasing to 35.40 m3/s in 2017. Likewise, the surface flow coefficient value has increased from 0 .19 to .27 . The land cover in the Way Bulok Sub-watershed area is still dominated by agricultural areas which have an area of more than 50% each year, compared to the forest area which is only 2,123% of the total area of the Way Bulok Sub-watershed in 2017.
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Aprianto, D., & Ristiara, L. (2024). The Analysis of the Land Cover Changes to Surface Flows of Bulok Watershed, Lampung Province. Jurnal Agricultural Science, 19(1), 1-8. https://doi.org/10.58222/jas.v19i1.231
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References
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Supriyadi, E., Banuwa, I.S., & Yuwono, S.B. (2018). The influence of land use changes on the inflow characteristics of the Batutegi Dam. Journal of Tropical Forests, 6 (1),73-81.
Wirdhana, S.A.B. (2014). Analysis of hydrological characteristics in forest areas in an effort to conserve water resources in a sustainable manner. Journal of Biowallacea, 1(2),97-106.
Aprianto, D., Wulandari, C., & Masruri, N.W. (2016). Carbon is stored in the agroforestry system area in register 39, according to Kphl Batutegi, Tanggamus Regency. Sylva Lestari Journal, 4(1), 21-30.
Amanda, T. M., Kusumastuti, D. I., Zakaria, A., Herison, A., Wahono, E.P., 2023. Analysis of Flood Water Levels on Land Cover in the Bulok River, Pringsewu Regency, Lampung Province. 2023. Vol 13, No 02, September 2023. 535-546
Ashdak, C. (2010). Hydrology and watershed management. Yogyakarta: Gadjah Mada University.
Way Seputih – Sekampung River Watershed Management Agency (BPDAS-WSS). (2008). Characteristics of Das Way Sekampung. Research Report. Bandar Lampung
BPDAS Way Seputih-Sekampung. Handayani, W., & Indrajaya, Y. (2011). Analysis of the relationship between rainfall and discharge at the Ngatabaru sub-basin, Central Sulawesi. Journal of Forest Research and Nature Conservation, 08(2), 143−153.
Harifa, A.C., Sholichin, M., & Prayogo, T.B. (2017). Analyze the impact of change
land cover on sub-metro watershed river discharge using the arcswat program. Journal of Water Engineering, 8 (1), 1-14.
Kurniawan, A.E., Suripin., & Purnaweni, H. (2015). The effect of land change on the runoff coefficient in the Kemoning watershed, Sampang district. Indonesian Journal of Environmental Dynamics, 2(1), 1−8.
Mubarok, Z., Murtilaksono, K., & Wahjunie, E.D. (2015). Study of the response of land use changes to the hydrological characteristics of the Betung - Lampung watershed. Wallacea Forestry Research Journal, 4 (1), 1-10.
Mulyono, D. (2014). Analysis of rainfall characteristics in the South Garut district. Construction Journal, 13(1), 1-9.
Narulita, I. & Marganingrum, D. (2017). Analysis of rainfall, land cover changes, and preparation of IDF curves for flood probability analysis: case study of the Cerucuk watershed, Belitung Island. Journal of Environmental and Geological Hazards, 8(2),57−69.
Neno, A.K., Harijanto, H., & Wahid, A. (2016). The relationship between water discharge and water level in the Lambagu River, Tawaeli District, Palu City. Jungle News, 4(2), 1−8.
Nugroho, S.P., S. D. Tarigan & Y. Hidayat. 2018. Analysis of Changes in Use and Flow Discharge in the Cicatih Sub-Watershed. Journal of Natural Resources and Environmental Management. Vol. 8 No. 2.
Minister of Forestry Regulation. (2014). Attachment to Minister of Forestry Regulation Number 61 of 2014. Jakarta: Ministry of Forestry of the Republic of Indonesia.
Permatasari, R., Arwin & Natakusumah, D.K (2017). The influence of land use changes on the hydrological regime of the watershed (case study: Komering watershed). Journal of Civil Engineering, 24(1), 91–98.
Pratama, W. (2016). Analysis of land use changes on hydrological characteristics in the Bulok watershed. Thesis. Lampung University.
Pratama, W., and Yuwono, S.B. (2016). Analysis of land use changes on hydrological characteristics in the Bulok watershed. Sylva Lestari Journal, 4 (3), 11-20.
Raharjo, P.D. (2009). Changes in land use in the Kreo River on peak discharge using remote sensing applications. Journal of Geological and Mining Research, 9 (2), 69-84.
Riswulan, Y.F., Banuwa, I.S., Damai, A.A., Suroso, E. 2021. Study of the Impact of Damage to the Bulok River Watershed Sub-Watershed on Hydrological Characteristics. Journal of Sustainable Development Research. 1(1): 46-57
Romlah, D.R., Yuwono, S.B., Hilmanto, R., & Banuwa, I.S. (2018). The influence of changes in forest cover on the discharge of the Seputih Upstream Way. Journal of Tropical Forestry, 6(2), 197-204.
Rosalifa, Nasya Afra. 2022. River Discharge Analysis of the Way Bulok Sub-Watershed using the SWAT (Soil Water Assessment Tool) model. Faculty of Agriculture, University of Lampung, Bandar Lampung.
Salim, A.G., Dharmawan, I.W.S., & Narendra, B.H.(2019). The influence of changes in the area of forest land cover on the hydrological characteristics of the upper Citarum watershed. Journal of Environmental Science, 17(2), 333-340.
Setyowati, D. L. (2010). Relationship between rain and runoff in small sub-watersheds using forest land, rice fields, mixed gardens in the Kreo watershed. Geography Forum Journal, 24(1),39-56.
Sulaeman, D., Hidayat, Y., Rachman, L. M., & Tarigan, S. D. (2014). Study of the impact of land use changes on the flow rate of the Ciujung watershed. Journal of Infrastructure, 4(2), 78-85.
Supriyadi, E., Banuwa, I.S., & Yuwono, S.B. (2018). The influence of land use changes on the inflow characteristics of the Batutegi Dam. Journal of Tropical Forests, 6 (1),73-81.
Wirdhana, S.A.B. (2014). Analysis of hydrological characteristics in forest areas in an effort to conserve water resources in a sustainable manner. Journal of Biowallacea, 1(2),97-106.