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STUDY OF SHORELINE CHANGES AT JENEBERANG RIVER DELTA, MAKASSAR Sakka, Sakka; Purba, Mulia; Nurjaya, I Wayan; Pawitan, Hidayat; Siregar, Vincentius P.
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 3 No. 2 (2011): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.813 KB) | DOI: 10.29244/jitkt.v3i2.7826

Abstract

The study of shoreline changes during 1990 - 2008 in the delta of the River Jeneberang, Makassar was conducted by evaluating sediment transport into and out of a cell. Longshore sediment transport was computed by considering the influence of heights and angles of the breaking waves. Results of calculation of sediment transport showed that the dominant of sediment transport was to the north during the arrival of the southwest and west waves, and to the south when the wave coming from the northwest. Comparison between shore profiles resulting from model and coastline satellite imagery showed similarity. The difference between the two tend to be occurred at the head land part of the shoreline. This was due to complexity of coastal dynamic at the area. The results of the 19 years shoreline simulation showed that there was a tendency of abrasion at the upsteam head land part as the wave energy tend to converge and accretion at the bay part as the wave energy tend to diverge. Abrasion mainly occurred at Tanjung Bunga (head land) where the coast retreat 181.1 m. Accretion occur in the bay area (Tanjung Merdeka) where the coast advance to the sea for about 59.8 m. The shoreline tend to be stable when the profile was straight such as Barombong Coast.Keywords: abrasion, accretion, sediment transport, shoreline changes.
Penerapan Pendekatan Sains Teknologi Masyarakat Pada Materi Daur Air Dalam Meningkatkan Hasil Belajar Siswa SD Negeri 10 Manurunge Kabupaten Bone Sakka, Sakka
JIKAP PGSD: Jurnal Ilmiah Ilmu Kependidikan Vol 1, No 2 (2017): September
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (285.501 KB) | DOI: 10.26858/jkp.v1i2.5288

Abstract

This study used a qualitative approach and type of classroom action research. The formulation of the problem of this research is whether the application of the Community Science Science approach to the water cycle material can improve the learning outcomes of the students of Grade 6A SD Negeri 10 Manurunge? And how is the process of applying the Community Technology Science approach to the water cycle material in improving students' learning outcomes in Grade 6A SD Negeri 10 Manurunge? The purpose of this research is to improve student learning result of Grade 6A SD Negeri 10 Manurunge on water cycle material through application of Science Community Technology approach, as well as to improve the process / activity of learning water cycle material through application of Science Community Technology approach 6A SD Negeri 10 Manurunge. The object of this research is the students of Grade 6A SD Negeri 10 Manurunge. Efforts made to improve students' understanding of the concept of water cycle is to carry out learning at the core stage through four phases: the invitation phase, the exploration phase, the solution phase and the application phase. Data collection techniques used were teacher and student observation, and documentation. Based on the results of analysis and evaluation at the reflection stage, the results showed that, the application of Science Community Technology approaches effectively improve the process / activity and learning outcomes in the Water Recycle material in every cycle of action.
DISTRIBUSI PENGALIRAN PRESIPITASI BERDASARKAN TOPOGRAFI Amalia, Rahmi Rizqi; Sakka, Sakka; Suriamihardja, Dadang Ahmad
JURNAL GEOCELEBES Vol 3, No 2: October 2019
Publisher : Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/geocelebes.v3i2.7088

Abstract

Penelitian ini menduga bahwa distribusi curah hujan berinteraksi langsung dengan bentuk topografi, sehingga dapat memperkirakan arah aliran dan besar debit aliran di sungai. Bentuk topografi dapat menunjukkan arah aliran dari dataran tinggi ke dataran rendah. Adapun tujuan penelitian ini adalah memetakan kontur distribusi curah hujan, kontur topografi, arah aliran permukaan, dan menghitung debit aliran permukaan di lokasi penelitian. Data yang dikumpulkan dalam penelitian ini merupakan data sekunder, yaitu data curah hujan dan hari hujan yang berasal dari BMKG, data topografi DEM SRTM yang berasal dari LAPAN, data shapefile batas DAS, sungai dan peta penggunaan lahan yang berasal dari Badan Informasi Geospasial (BIG). Hasil dari pemetaan kontur curah hujan pada tahun 2012 hingga 2017 menunjukkan nilai terendah 327 mm/tahun hingga nilai tertinggi 5346 mm/tahun, hasil pemetaan kontur topografi menunjukkan nilai terendah 745 meter dan nilai tertinggi 4279 meter, hasil dari pemetaan arah aliran menunjukkan bahwa aliran akan bergerak terus menuju sungai-sungai besar beserta cabangnya, dan hasil dari perhitungan debit maksimum terjadi pada bulan Januari yang terletak pada DAS Sungai Jeneberang dengan nilai 1,77 liter/detik dan nilai debit minimum terjadi pada bulan Agustus yang terletak pada DAS Binangapapa dengan nilai 0,07 liter/detik.
ANALISIS KERENTANAN PANTAI BERDASARKAN COASTAL VULNERABILITY INDEX (CVI) DI PANTAI KOTA MAKASSAR Sakka, Sakka; Paharuddin, Paharuddin; Rupang, Eunike
TORANI: Journal of Fisheries and Marine Science Vol 24, No 3 (2014)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.149 KB) | DOI: 10.35911/torani.v24i3.237

Abstract

The vulnerability of Makassar coast was measured using parameters of Coastal Vulnerability Index (CVI). CVIvalue was determined using geomorphology, shoreline change, coastal slope, mean wave height, mean tidalrange, and relative sea level change parameters. The Makassar coast was divided into a numbers of cells, eachwith the length of 1 km and width of 0.5 kminto the sea. CVI values werecalculated for each cell and the coastalvulnerability wereclassifiedinto five categories: very low - low - medium - high - very high. The results show thatthe coastline with high to very high vulnerability index are located at the southern part of Makassar, while thenorthern coastline generally have low to moderate vulnerability. The CVI parameters which contributed to highsusceptibilitywere the coastal slope and the shoreline change parameters. Keywords: Coastal Vulnerability Index, coastal slope and shoreline change, Makassar.
PENERAPAN PENDEKATAN SAVI UNTUK MENINGKATKAN HASIL BELAJAR FISIKA PADA SISWA KELAS XI SMA NEGERI 8 PALU Sakka, Sakka; Kendek, Yusuf; Kamaluddin, Kamaluddin
JPFT (Jurnal Pendidikan Fisika Tadulako Online) Vol 2, No 3 (2014): E-Jurnal Pend. Fisika Tadulako
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.373 KB)

Abstract

Abstrak - Penelitian tindakan kelas ini bertujuan untuk meningkatkan hasil belajar fisika siswa kelas XI SMA Negeri 8 Palu. Masalah yang diteliti adalah rendahnya hasil belajar siswa pada mata pelajaran Fisika. Alternatif pemecahan masalah adalah menerapkan pendekatan pembelajaran SAVI. Subyek penelitian adalah siswa kelas XI SMA Negeri 8 Palu, dengan jumlah siswa 20 orang. Penelitian ini menggunakan Penelitian Tindakan Kelas yang dilaksanakan secara bersiklus dan mengacu pada desain penelitian dari model Kemmis & Mc. Taggart, yang meliputi 4 tahap: (i) perencanaan (ii) pelaksanaan tindakan (iii) observasi (iv) refleksi. Jenis data yang diperoleh adalah data kualitatif dan data kuantitatif. Data kualitatif adalah data yang diperoleh dalam kegiatan belajar mengajar berupa observasi dan wawancara. Hasil observasi aktivitas siswa dan guru pada siklus I yaitu cukup dan baik, sedangkan siklus II berada pada kategori baik dan sangat baik. Sedangkan data kuantitatif adalah data hasil belajar yang diperoleh dengan tes. Hasil belajar siklus I diperoleh ketuntasan belajar klasikal yakni 65% dengan jumlah yang tuntas sebanyak 12 orang siswa dan yang belum tuntas 7 orang siswa. Pada siklus II ketuntasan belajar klasikal sebanyak 85 % dengan rincian 17 orang siswa tuntas dan 3 orang siswa yang masih belum tuntas. Berdasarkan hasil tersebut dapat disimpulkan bahwa dengan penerapan pendekatan pembelajaran SAVI dapat meningkatkan hasil belajar siswa. Kata Kunci     : Pendekatan SAVI, Hasil Belajar Fisika
PKM KONSERVASI AIR TANAH DI KECAMATAN MAPPAKASUNGGU DAN MANGGARABOMBANG KABUPATEN TAKALAR Syahruddin, Muhammad Hamzah; Amiruddin, Amiruddin; Halide, Halmar; Sakka, Sakka; Makhrani, Makhrani
E-ISSN 2580-3786
Publisher : LP2M Universitas Hasanuddin

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Abstract

Groundwater Conservation in Mappakasunggu and Manggarabombang, District TakalarAbstract. Groundwater is water that is contained in layers of soil or rocks below the surface. Many damages are caused by excessive groundwater extraction. For example, one of the residents' wells in Tamaona Lengkese that had been closed because the water had turned to salt water after being used for 10 years. This phenomenon shows that there is sea water intrusion because the rate of groundwater exploitation is greater than the rate of recharge. Besides that, every year there is a drought in the dry season and flooding in the rainy season. Therefore, to avoid a prolonged water crisis, there must be efforts from the government and all levels of society to conserve groundwater. To overcome the various problems of the partners, the Unhas PPMU-PKM team conducted groundwater conservation counseling and training. Counseling is done to the community to understand the existence of ground water and how its conservation. While training was given to improve the skills of the community to conserve groundwater. The results of this education and training are that more than 80% participants have understood how the presence of ground water and its conservation and are able to conserve groundwater with infiltration holes and injection wells.Keywords: Biopore, permeability, ground water, conservation.Abstrak. Air tanah adalah air yang terdapat dalam lapisan tanah atau bebatuan di bawah permukaan tanah. Banyak dampak kerusakan yang ditimbulkan akibat pengambilan air tanah yang berlebihan. Sebagai contoh, salah satu sumur  warga di Tamaona Lengkese yang telah ditutup karena airnya sudah berubah menjadi air asin setelah digunakan 10 tahun. Fenomena ini menunjukkan adanya intrusi air laut karena laju pengambilan air tanah jauh lebih besar dibandingkan dengan laju pengimbuhan. Selain itu setiap tahun di daerah tersebut terjadi kekeringan pada musim kemarau dan banjir pada musim hujan. Oleh karena itu, harus ada upaya pemerintah dan lapisan masyarakat untuk melakukan konservasi air tanah untuk menghindari krisis air berkepanjangan. Untuk mengatasi berbagai persoalan mitra tersebut tim PPMU-PKM Unhas melakukan penyuluhan dan pelatihan konservasi air tanah. Penyuluhan dilakukan kepada masyarakat untuk memahami keberadaan air tanah dan bagaimana konservasinya. Sedangkan pelatihan diberikan untuk meningkatkan keterampilan masyarakat untuk melakukan konservasi air tanah. Hasil dari penyuluhan dan pelatihan ini adalah peserta telah memahami bagaimana keberadaan air tanah dan konservasinya diatas 80% dan mampu melakukan konservasi air tanah dengan lubang resapan dan sumur injeksi.Kata kunci:  Biopori, permeabilitas, air tanah, konservasi.
SOME CHARACTERISTICS OF ATMOSPHERIC BOUNDARY LAYER OVER MAKASSAR Assegaf, Alimuddin Hamzah; Samad, Wasir; Sakka, Sakka
Jurnal Ilmu Kelautan SPERMONDE Vol 4, No 1 (2018)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jiks.v4i1.3797

Abstract

Some upper air atmospheric parameters measured during period of 2011-2016 by means of radiosonde located at Hasanuddin International Airport were examined for characterization of boundary layer over Makassar, Indonesia. These data, combined with surface atmospheric parameters were used to calculate some boundary layer parameters using AERMET model which based on Monin-Obukhov similarity theory. The obtained Monin-Obukhov length which reflecting atmospheric stability then converted into traditional Pasquill-Gifford stability classification. Examination of wind characteristics of wind showing clearly their dependence of the day, season and height. Winds dominantly flows from the southeast during the daytime with the relatively larger velocity and from the northwest with smaller velocity during the nighttime. Interpretation of monin-obukhov length using Pasquill-Gifford stability classification showing that the atmosphere was dominantly unstable during the daytime and dominantly stable during the nighttime. These atmospheric stabilities were also varied during seasons. The height of convective boundary layer (CBL) was start to rise in the morning and reaching its maximum in the afternoon (18:00) at the mean value of 2 km. Meanwhile, the height of mechanical boundary layer (MBL) during the day time forming parabolic curve with its maximum value of 1.2 km at noon. These indicated that any released pollution from the stack will be less dispersed during the nighttime due to the fact of lower mixing height, lower wind speed, atmosphere become more stable, and it dispersed in different direction compare to the daytime.