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All Journal Jurnal Teknologi Berkelanjutan
Febry Asthia Miranti
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology Transportation

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EVALUASI KEBUTUHAN AIR DAN ELEVASI BUKAAN PINTU PADA SISTEM TATA AIR PASANG SURUT UNIT TAMBAN KABUPATEN BARITO KUALA Febry Asthia Miranti
Jurnal Teknologi Berkelanjutan Vol 7 No 01 (2018): Vol 07 No. 01
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (423.214 KB) | DOI: 10.20527/jtb.v7i01.116

Abstract

Rehabilitation efforts were carried out on the tidal system of swamp irrigation area (DIR) at Tamban Unit DIR in Tamban Sari Bangun Village, Barito Kuala Regency in 2013, including installing a water gate with a dimension of 600cmx400cm so that productivity of degraded land could be increased. However, the water gate is not functioning and operationalized by local farmers, so it needs an evaluation of water requirements, and evaluation of the water gate opening. In this study mainstay rainfall analysis, evapotranspiration analysis, irrigation water needs analysis, tidal analysis, evaluation of existing water systems, and simulation using the HEC-RAS program were conducted. The final stage of the study obtained conclusions and suggestions regarding the evaluation of water needs and elevation of water gate openings in the Tamban Unit water system. Based on the calculation of irrigation needs, it is known that the highest water level elevation for land processing is in June I, which is + 9.040m, while the growth period in August I is + 9.060m. From the results of hec-ras simulations it is known that the fulfillment of water in paddy fields (upstream) cannot be fulfilled, because the elevation of paddy fields is too high. While the fulfillment of water needs in the paddy fields (downstream) can be fulfilled in simulation 10, with the elevation conditions of the existing floodgate, the floodgate fully opened, and the tidal hydrograph raised 1.03 times. The water needs are fulfilled if the tides are higher than the measurement results that is 1.03 times.
Analisis Neraca Air Sub Das Martapura Febry Asthia Miranti; Meireinda Rahmadania
Jurnal Teknologi Berkelanjutan Vol 10 No 02 (2021): Vol 10 No 02
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtb.v10i02.200

Abstract

Martapura River is a river that crosses Banjar Regency and Banjarmasin City which is included in the watershed. This river empties into the Barito River, whose upstream is the junction between the Riam Kiwa River and the Riam Kanan River. Sub-watershed E is part of the Martapura watershed. The water balance is an analysis of the results of the approach to the values of hydrological processes that occur in the field. The Water Balance method is used to compare availability of water with the existing water needs. The purpose of this research is the availability of a water balance calculation that can be used as a basis for generating the concept of the water allocation in the form of an annual water supply plan. Analysis of water availability is based on the calculation of the base flow rate calculated by FJ Mock. The results of the calculation of the water balance in the dry year (80%) experienced a surplus.
Co-Authors Meireinda Rahmadania