Effect of Land Use Changes of Upstream Komering Sub Watershed on Declining Water Availability

• Autorzy: Yuono Agus Lestari , Putranto Dinar Dwi Anugerah , Tukirun Sarino

Identyfikatory

DOI

10.12911/22998993/116331

• Języki publikacji: EN

Abstrakty

EN

Potential water resources in the upstream part of the Komering sub-watershed, in March each year ranges from 645.49 m³/sec. With a debit of that size, it should be able to increase national agricultural production in South Sumatra, Indonesia. However, in August – September, the discharge of water availability in the upstream part of the Komering sub-watershed decreased to only 43.08 m³/sec. To analyze the reduced mainstay discharge of the Upstream Komering sub-watershed, due to poor land use practices in the upstream area and the effects of climate variability, it can be analyzed by analyzing land cover conditions, the value of rain variability, and the magnitude of evapotranspiration and validation of direct measurement of river discharge in the field. Changes in land use for the upstream part of the Komering sub-watershed, which are used mostly by residents as community plantation areas, have increased the critical condition of the upstream Komering sub-watershed area of 2,517,560 Km², or about 65.66% of the total upstream Komering sub-watershed. From the measurement of debit data at the Perjaya Dam in the last fifteen years (2005–2019), the largest main discharge value in 2 weeks to two months in April was 241.67 m³/sec, while the smallest mainstay discharge occurred in the first 2 weeks of October at 54.69 m³/sec. A large difference between the largest and smallest mainstay discharge, it is necessary to think of a way so that the availability of water is always maintained throughout the year (the difference between the mainstay discharge between the rainy season and the dry season so that it is not so extreme). Some ways that can be done to maintain the availability of water include making a reservoir that can be used during the dry season, or increasing storage in the soil by reforestation and harvesting rain.

Słowa kluczowe

EN

discharge; land-use change; resources; harvesting

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2020
• Tom: Vol. 21, nr 2
• Strony: 126--130
• Opis fizyczny: Bibliogr. 9 poz., rys.

Twórcy

autor

Yuono Agus Lestari

• Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University, South Sumatera, Indonesia

autor

Putranto Dinar Dwi Anugerah

• Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University, South Sumatera, Indonesia

autor

Tukirun Sarino

• Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University, South Sumatera, Indonesia

Bibliografia

• 1. Dinar Dwi Anugerah Putranto, Sarino, Yuono, AL, 2013, Model Monitoring Lingkungan DAS Untuk Pengendalian dan Mitigasi Bencana Banjir, FIT lSI Conference, no. 5, 213–2020
• 2. Kadyampakeni D.M., S. Kazombo-phiri, B. Mati, and I. R. Fandika, 2014, Impacts of Small-Scale Water Management Interventions on Crop Yield , Water Use and Productivity in Two Agro-Ecologies of Malawi,” no. April, pp. 454–465.
• 3. FAO,2015, http://www.fao.org/ag/agp/greenercities/en/whyuph/
• 4. Patil J.P., A. Sarangi P. SinghA. K. Singh.T. Ahmad, 2008, Development of a GIS Interface for Estimation of Runoff from Watersheds,” Water Resour. Manag., vol. 22, no. 9, pp. 1221–1239.
• 5. Krois J, Schulte A (2014) GIS-based multi-criteria evaluation to identify potential sites for soil and water conservation techniques in the Ronquillo watershed, northern Peru. Appl Geogr 51:131–142
• 6. Ngigi, 2006. Hydrological Impacts of Land Use Changes on Water Resources managements and Social Economic Development of upper Ewaso Ng’iro River Basin in Kenya
• 7. Putranto Dinar DA, Yuono AL, Sarino, 2017. Spatial distribution level of land erosion dispotion based on the analysis of slope on central Lematang sub Basin. 3rd International Conference on Construction and Building Engineering (ICONBUILD) 2017. AIP, 1903, 0300071 – 0300078.
• 8. United Nations (2014) Available online: http://www.un.org/waterforlifedecade/scarcity.shtml
• 9. Yuono AL, Putranto Dinar DA, Sarino, 2015. Digital Terrain Model for Rainfall Run-off Modeling Regional Analysis of Sedimentation in the Musi River Basin, Sriwijaya University Research Institute, South Sumatera, Indonesia.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).