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Hefni Effendi
1) Departemen Manajemen Sumberdaya Perairan, Fakultas Perikanan Dan Ilmu Kelautan, IPB University, Bogor, Indonesia; 2) Pusat Penelitian Lingkungan Hidup, IPB University, Bogor, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Medicine & Pharmacology Veterinary

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Journal : JURNAL TEKNOLOGI LINGKUNGAN

 1 
Identifikasi dan Sebaran Intrusi Air Laut terhadap Airtanah Dangkal di Kota Kendari Sulawesi Tenggara Kete, Surya Cipta Ramadhan; Suprihatin, Suprihatin; Tarigan, Suria Darma; Effendi, Hefni
Jurnal Teknologi Lingkungan Vol. 21 No. 2 (2020)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (601.558 KB) | DOI: 10.29122/jtl.v21i2.3808

Abstract

ABSTRACTThe availability of clean water is one of the main problems for the people in Kendari City. Overutilization of groundwater can cause seawater intrusion to groundwater. This study aims to identify and map seawater intrusion distribution to shallow groundwater based on water quality data. Sampling was obtained from 100 dug wells of the inhabitant (n=100) in March-July 2019 with a variation of the distance from the beach 0.04-5.52 km and the elevation of Groundwater (MAT) between 0.43-30.01 MASL. The distribution of shallow groundwater is mapped on the criteria to the value of Electrical Conductivity (DHL) at the standard temperature of 25 °C. The analysis showed that the average groundwater temperature was 29.28 °C, DHL was 393.52 µmhos, Total Dissolved Solid (TDS) was 196.98 ppm, and pH was 6.31. Shallow groundwater, which has been varied intruded with high intruded (26.26%), rather high intruded (14.14%), medium intruded (32.32%), low intruded (6.06%) and not intruded (21.21%). The correlation between distance from the coast to the value of DHL was not significantly correlated (R2 = -0.49), while groundwater level elevation has a significant correlation (R2 = 0.71). The geological factors of alluvial deposits, which generally have low permeability and slope to flat topography, cause seawater intrusion to shallow groundwater.Keywords: sea water intrusion, shallow groundwater, Kendari City ABSTRAKKetersediaan air bersih merupakan salah satu masalah utama bagi masyarakat kota Kendari. Sumber air bersih masyarakat diperoleh dari airtanah. Pemanfaatan airtanah yang berlebihan dapat menyebabkan terjadinya intrusi air laut terhadap airtanah. Penelitian ini bertujuan untuk mengidentifikasi dan memetakan sebaran intrusi air laut terhadap airtanah dangkal berdasarkan data kualitas air. Pengambilan sampel diperoleh dari sumur gali penduduk sebanyak 100 sampel (n=100) pada periode Maret-Juli 2019 dengan variasi jarak dari pantai 0,04-5,52 km dan elevasi muka airtanah (MAT) antara 0,43-30,01 mdpl. Hasil analisis menunjukan bahwa rerata suhu airtanah sebesar 29,28 °C, DHL sebesar 393,52 µmhos, Total Dissolved Solid (TDS) sebesar 196,98 ppm dan pH sebesar 6,31. Airtanah dangkal secara umum telah terintrusi dengan variasi meliputi terintruksi tinggi (26,26%), terintrusi agak tinggi (14,14%), terintrusi sedang (32,32%), terintrusi sedikit (6,06%) dan tidak terintrusi (21,21%). Korelasi antara jarak dari pantai terhadap nilai DHL tidak signifikan (R2 = -0,49), sedangkan MAT memiliki korelasi signifikan (R2= 0,71). Faktor geologi berupa endapan alluvial yang memiliki permeabilitas umumnya rendah dan berada pada topografi landai hingga datar menyebabkan terjadinya intrusi air laut terhadap airtanah dangkal.Kata Kunci: intrusi air laut, airtanah dangkal, Kota Kendari
Co-Authors - - mardiyana - - nurjanah . Chaidir A. Zaenal Mustopa A. Zaenal Mustopa Adi Sulaksono Aditya Herry Emawan Agustina Sinuhaji Ahmad Jamhari Rahmawan Ali Mashar Aloysius Adimas Kristianiarso Andrian Rizaldy Azhar Audra Ligafinza Audra Nur Ayub Sugara B Sartono Bagus Amalrullah Utomo Bagus Amalrullah Utomo Bq Tri Khairani Ilhami Bq Tri Khairina Ilhami Budi Kurniawan Budi Nurtama Budi Nurtama Chaidir Chaidir Charles Parningotan Haratua Simanjuntak Cut Meurah Nurul 'Akla Damar, Ario Dea Fauzia Lestari Dedi Soedarma Dedi Soedarma Dedi Soedharma DEDI SOEDHARMA Dedi Soedharma Dewanti Pratiwi Dietriech G. Bengen Dietriech Geoffrey Bengen Dino Rimantho Dita Ariyanti Ditta Ayu Anggraini Dwi Suci Indah Permata Sari Dyah Iswantini Dyah Muji Rahayu Enan M Adiwilaga Eriyatno . Erlangga Erliza Noor Erniati Etty Riani Eva Cristine Ronauli F Farlina Fitri Ariani Flandrianto Sih Palimirmo Fredinan Yulianda Gatot Prayoga Gatot Prayoga Gatot Yulianto Gede Iwan Setiabudi Ghozali, Ali Aulia Giri Maruto Darmawangsa Gunawan Gunawan Gunawan Pratama Yoga Hadi Supardi Hari Wijayanto Harum Farahisah Harum Farahisah Herman Yulianto I Wayan Nurjaya Imamshadiqin Iman Rusmana Imanullah Irza Arnita nur Kurniawan, Yehezkiel Steven Luisa Febrina Amalo Luluk Dwi Wulan Handayani Majariana Krisanti Marfian Dwidima Putra Maryono Maryono Maulid Wahid Yusuf Melanie Cornelia, Melanie Melki . Melki Melki Meutia Samira Ismet Muhammad Mukhlis Kamal Mujizat Kawaroe MUJIZAT KAWAROE Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe MUJIZAT KAWAROE Mukti Ali Mursalin Idris Mursalin Mursalin Mursalin Mursalin Nabil Zurba Neneng Marlian Neneng Sri Hendra Neviaty P Zamani Neviaty P. Zamani Neviaty P. Zamani NEVIATY PUTRI ZAMANI Niken TM Pratiwi Niken Tunjung Murti Pertiwi Niken Tunjung Murti Pratiwi Noveldesra Suhery Novera Nirmalasanti Novik Nurhidayat Ocky Karna Radjasa Ocky Karna Radjasa Prasetyo, Kunandar Purwantiningsih Sugita Purwanto, Yanuar Jarwadi Qadar Hasani Rachma Venita Rachmad Caesario Rahman Rahman Rahman Rahman Rahmat Pangestu Rais Sonaji Rebo Elfida Karo-Karo Refa Riskiana Rezi Apri Ririn Setyowati Rizal Syarief Rizal Syarief Rizki Novia Rahmi Romi Seroja Rozirwan . safrina dyah hardiningtyas Saiful Adhar Sigid Hariyadi Sigit Winarno Siti Rosa Oktavia Sulistiono Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suria Darma Tarigan Surya Cipta Ramadhan Kete Taryono Taryono TATI NURHAYATI Tri Permadi Warsiki, Endang Widiatmaka . Widyatmoko Widyatmoko Wiwin Ambarwulan Wiwin Ambarwulan Yonvitner - Yudhi Amrial Yudho Andika Yudho Andika Yudi Setiawan Yunandar Yunandar Yuni Yolanda Yusli Wardiatno Zidni Ilma Palupi