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All Journal Jurnal Teknik Sipil MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Ilmiah Desain & Konstruksi Jurnal Teknik Pengairan: Journal of Water Resources Engineering Journal of the Civil Engineering Forum Civil Engineering Journal Jurnal Irigasi Civil and Environmental Science Journal (CIVENSE) Jurnal Aplikasi Teknik Sipil Jurnal Rekayasa Sipil Jurnal Teknik Sipil JURNAL SUMBER DAYA AIR Jurnal Teknik Sumber Daya Air Jurnal Sains dan Teknologi Tadulako Jurnal Forum Teknik Sipil Jurnal Lembaga Pengabdian Kepada Masyarakat Undana
Denik Sri Krisnayanti
Civil Engineering Study Program, Nusa Cendana University
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Materials Science & Nanotechnology Social Sciences Transportation

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PEMETAAN POTENSI SUMBER DAYA AIR UNTUK PERTANIAN LAHAN PRODUKTIF (STUDI KASUS: DESA KAMBUHAPANG DAN DESA KAMBATAWUNDUT) Wilis, Kezia Georginia Patricia; Krisnayanti, Denik Sri; Cornelis, Remigildus
JURNAL SUMBER DAYA AIR Vol 20, No 2 (2024)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v20i2.892

Abstract

Desa Kambuhapang and Desa Kambatawundut are villages located in the Lewa District of East Sumba Regency. This area is characterized by arid conditions and experiences an 8-month-long dry season. Most of the population in this region is engaged in agriculture, particularly dryland farming. The main water supply for agriculture in this area comes from low rainfall, resulting in limited water availability. The purpose of this study is to assess the water discharge potential in these two villages. Secondary data, including rainfall data, was obtained from two stations: the Waingapu meteorological station and the Lewa Paku rain station. Additionally, climatological data from 2012 to 2021 was used. ArcGIS 10.7 software was employed to map the area using Digital Elevation Model (DEM) data. The Modified Penman method was used to determine evapotranspiration, while the F.J. Mock method was applied to calculate the reliable discharge. The results showed that the average annual water availability, according to the F.J. Mock method, is 16.45 m³/s for the Lay Mbeda River and 16.54 m³/s for the Wai Wei River. The villages of Kambuhapang and Kambatawundut have sufficient water availability, with a total of 74.18% across an area of 63.12 km². The adequate water availability in these two villages is evident from the minimum discharge during the dry season, ranging from 6.60 to 7.12 m³/s. This indicates that the villages have sufficient water resources to support the expansion of productive agricultural land for the local community. The utilization of these water resources could be further optimized by providing supporting infrastructure to increase runoff storage, such as water reservoirs, small ponds, or retention basins.Keywords: mapping, water potential, water availability, waingapu, lewa paku
ANALISIS KEKERINGAN METEOROLOGI DENGAN MENGGUNAKAN METODE STANDARDIZED PRECIPITATION INDEX DI KUPANG – NUSA TENGGARA TIMUR Krisnayanti, Denik Sri; Pasoa, Mirnawati S; Cornelis, Remigildus
JURNAL SUMBER DAYA AIR Vol 19, No 1 (2023)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v19i1.793

Abstract

 Kupang City and Kupang Regency have semiarid climatological conditions where annual rainfall ranges from an average of 1,250 mm/year. Kupang City and Kupang Regency experience long days without rain, which potentially causes meteorological drought. The study aims to determine the value and distribution of the drought index in Kupang City and Kupang Regency. This study uses the Standardized Precipitation Index (SPI) method using rainfall data for 21 years (1998-2018) from 12 rainfall stations, while the mapping uses ArcGIS Software. The results obtained from this study are the extreme level of drought in Kupang Regency and Kupang City occurred in 2015-2016. A 1-month SPI Kupang City experienced the highest drought in January 2004 at -3.48, while Kupang Regency occurred in November 2015 at -3.06.  The 3-month SPI Kupang City experienced the highest drought in January 2016 at -3.85, while Kupang Regency occurred in December 2012 at -4.13. The 6-month SPI of  Kupang City experienced the highest drought in January 2016 at -4.04, while Kupang Regency occurred in November 2015 at -4.82.  The 12-month SPI Kupang City experienced the highest drought in March 2016 at -3.76, while Kupang Regency occurred in April 2016 at -3.36. The 6-month SPI tends to fluctuate more in value than the 1-month SPI, 3-month SPI, and 12-month SPI. The drought years that occurred in 2015 – 2016 triggered forest and land fires in Kupang City. Besides that,  the Meteorological drought must be anticipated by setting appropriate cropping patterns to avoid food insecurity. Keywords: Drought, semiarid, land fires, mapping 
Co-Authors A. Nursyam, Nurul Alvine C. Damayanti Alvine C. Damayanti Alvine C. Damayanti Alvine Cinta Damayanti Ananda, Yokti Anang Galang Anargi Djalil Mangu Andi H. Rizal Andi Kumalawati Chrystin Chandra Chrystin Chandra Costandji Nait Dantje A. T. Sina Davianto F. Welkis Davianto Frangky B. Welkis Davianto Frangky B. Welkis Decaprio, Alex Demonsa Bintang Putra Lende Djoko Legono Djoko Legono Dolly W. Karels Elia Hunggurami Eugenius Nino Mbauth Fery Moun Hepy Forisman R. Nomnafa Galla, Andrea Z. Hamdan Nurdin Hangge, Elsy E. Henry Jefrison Benu I Made Udiana I Made Udiana I Made Udiana Jacob Kedoh John H. Frans John Hendrik Frans Jordy Georgia Makunimau Judi K Nasjono Judi K. Nasjono Jusuf J. S. Pah Khaerudin, Dian Noorvy Klau, Ralno R. Klau, Ralno Robson Lomi, Desinta Banni M. Solichin Maulana, Mahendra Andiek Megonondo, Batara Doa Mirnawati S Pasoa Munaisyah, Farah Nichorids S Saudale Pah, Jusuf J.S Partogi H. Simatupang, Partogi H. Pasoa, Mirnawati S Philipi de Rozari Remigildus Cornelis Rohi D. Radja Pono Rosmiyati A Bella Ruslan Ramang Ruslan Ramang SATRIYAS ILYAS Seran, Yustinus A. Sereh, David Peterson Sri Wahyuni Suhardjono Suhardjono Syamsumarlin, . Taopan, Angelio A Tatas, Tatas Tri M. W. Sir Tri M.W. Sir Tri M.W. Sir Very Dermawan Vilkanova C. Garu Wilhelmus Bunganaen Wilhelmus Bunganaen Wilhelmus Bunganaen Wilhelmus Bunganaen Wilhelmus Bunganaen Wilhelmus Bunganaen Wilis, Kezia Georginia Patricia Willem Sidharno Yerison Dimu Ratu Yunita A. Messah Yustinus Akito Seran