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All Journal Jurnal Teknik Sipil Teodolita: Media Komunikasi Ilmiah di Bidang teknik Jurnal Teknik Sipil Teras Jurnal Civil Engineering Journal Jurnal Permukiman Jurnal Teknik Sipil Jurnal Kridatama Sains dan Teknologi JURNAL SUMBER DAYA AIR Jurnal Pengabdian Kepada Masyarakat (JPKM) Jurnal Forum Teknik Sipil De`Teksi : Jurnal Teknik Sipil Jurnal Lembaga Pengabdian Kepada Masyarakat Undana
Remigildus Cornelis
Program Studi Teknik Sipil, Fakultas Sains Dan Teknik, Universitas Nusa Cendana
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Materials Science & Nanotechnology Social Sciences Transportation Other

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Journal : JURNAL SUMBER DAYA AIR

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ANALISIS KEKERINGAN METEOROLOGI DENGAN MENGGUNAKAN METODE STANDARDIZED PRECIPITATION INDEX DI KUPANG – NUSA TENGGARA TIMUR Denik Sri Krisnayanti; Mirnawati S Pasoa; Remigildus Cornelis
JURNAL SUMBER DAYA AIR Vol 19, No 1 (2023)
Publisher : 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

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 ABSTRAKKota Kupang dan Kabupaten Kupang merupakan daerah yang memiliki kondisi klimatologi semi-ringkai dimana curah hujan tahunan berkisar rata-rata 1.250 mm/Tahun. Kota Kupang dan Kabupaten Kupang mengalami hari tanpa hujan yang panjang sehingga berpotensi menyebabkan kekeringan meteorologis. Studi ini bertujuan untuk mengetahui nilai dan hasil sebaran indeks kekeringan di Kota Kupang dan Kabupaten Kupang. Analisis ini menggunakan Metode Standardized Precipitation Index (SPI) dengan menggunakan data curah hujan selama 21 tahun (1998-2018) dari 12 pos hujan, sedangkan pemetaan menggunakan Software ArcGIS. Hasil yang didapatkan adalah tingkat kekeringan terparah terjadi di Kabupaten Kupang dan Kota Kupang terjadi tahun 2015-2016. Untuk perhitungan SPI-1, Kota Kupang mengalami kekeringan tertinggi pada bulan Januari tahun 2004 sebesar -3,48, sedangkan Kabupaten Kupang terjadi pada bulan November tahun 2015 sebesar -3,06. Pada perhitungan SPI 3, Kota Kupang mengalami indeks kekeringan tertinggi pada bulan Januari tahun 2016 sebesar -3,85, sedangkan Kabupaten Kupang terjadi pada bulan Desember tahun 2012 sebesar -4,13. Pada perhitungan SPI-6, Kota Kupang mengalami indeks kekeringan tertinggi pada bulan Januari tahun 2016 sebesar -4,04, sedangkan Kabupaten Kupang terjadi pada bulan November tahun 2015 sebesar -4,82. Pada perhitungan SPI-12, Kota Kupang mengalami indeks kekeringan tertinggi pada bulan Maret tahun 2016 sebesar -3,76, sedangkan Kabupaten Kupang terjadi pada bulan April tahun 2016 sebesar -3,36. Indeks kekeringan SPI-6 cenderung lebih fluktuatif dibandingkan SPI-1, SPI-3, dan SPI-12. Kondisi tahun kering yang pernah terjadi tahun 2015 – 2016 memicu timbulnya kebakaran hutan dan lahan di Kota Kupang. Selain itu, kekeringan meteorologi harus diantisipasi dengan pengaturan pola tata tanam yang tepat guna menghindari rawan pangan.
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 Agustinus Rios Melingko Jehamat Alexander B.S. Malik Amuntoda, Odorikus Richard L. Anastasia Star Andi Hidayat Rizal Andi Kumalawati Antonius Y. Dom Bara, Alvin Alfredo Bill J. Ebenheazar Bonaventura Haryanto Umbu Tay Dantje A. T. Sina Denik Sri Krisnayanti Dolly W. Karels Elia Hunggurami Elias G Arman Elsy E Hangge Fernandes, Elena Sofia Junita Frans J. Likadja Fransiskus Lidyo Kapitan Gideon Antoni Funan Hangge, Elsy E. Hangge, Elsy Elisabet Hanna Defanti Galla Henricus Priyosulityo I Made Udiana Iman Satyarno Iswandi Imran Iwan Rustendi Jelmi Y. Amtiran John Hendrik Frans Kasmir Gon Lau, Debora Lestari, Tri Ayu Margareth E. Bolla Mirnawati S Pasoa Nini Yunita Tokang Pah, Jusuf J.S Partogi H. Simatupang, Partogi H. Pasoa, Mirnawati S Paulito M. D. Alves Peni, Lilys N. Raynaldo Lewlelek Raynaldo Lewlelek Rochmadi . Rosmiyati A Bella Rupidara, Yohanes Ruslan Ramang Ruslan Ramang Sina, Dantje A. Sudiyo Utomo tapoona, Karolus Linus Tersianus Rada Sakti Tri M Sir Tri M.W. Sir Utama, Andi Agung Wahyu Wilhelmus Bunganaen Wilhelmus Bunganaen Wilis, Kezia Georginia Patricia Yohanes Alexander Rupidara Yufiter Silas Kandi