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All Journal Jurnal Geodesi Undip JFA (Jurnal Fisika dan Aplikasinya) Jurnal Geosaintek Elipsoida : Jurnal Geodesi dan Geomatika Jurnal Rekayasa Infrastruktur Hexagon Jurnal Tunas Agraria El-Jughrafiyah : Jurnal Geografi dan Terapannya Journal of Comprehensive Science Equivalent: Jurnal Ilmiah Sosial Teknik Jurnal Geosaintek Geoid - Journal of Geodesy and Geomatics
Prabawa, Septa Erik
Universitas Dr. Soetomo
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Physics Social Sciences

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Journal : Jurnal Geosaintek

 1 
Penentuan Area Korosi Tanah Lokal Berdasarkan Resistivitas Tanah untuk Perancangan Sistem Proteksi Katodik Dwa Desa Warnana; Ary Iswahyudi; Septa Erik Prabawa
Jurnal Geosaintek Vol 1, No 1 (2015)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v1i1.1198

Abstract

Variasi korosi tanah lokal, diagnosis kelembapan, dan parameter fisika-kimia tanah telah diselidiki di lokasi rencana pembangunan produced water treatment plant dengan menggunakan pengukuran resistivitas, pH tanah dan air, serta pengujian parameter fisika-kimia air permukaan. Tujuan dari penelitian ini adalah memberikan penilaian terhadap sifat korosi tanah lokal dan rapat arus dalam tanah dalam mendesain sistem proteksi katodik. Dari hasil pengukuran diperoleh bahwa tanah permukaan secara umum bersifat tidak korosi, akan tetapi pada kedalaman 1,7 meter hingga 3,6 meter tanah bersifat sangat korosi dengan derajat keasaman tanah yang normal (pH = 7). Hal ini disebabkan muka air tanah yang dangkal dengan derajat keasaman air yang normal pula. Dengan demikian, kualitas air tanah merupakan penyebab utama korosi pipa baja yang tertanam jika tidak diproteksi. Untuk mencegah korosi dari instalasi pembangunan tersebut maka rapat arus proteksi yang dibutuhkan untuk melindungi pipa baja adalah 4,5 – 16 A m-2.
UTILIZING POST PROCESSING KINEMATIC (PPK) UNMANNED AERIAL VEHICLE (UAV) TO ACCELERATE DETAILED LAND MAPPING Regita Faridatunisa Wijayanti; Niswah Selmi Kaffa; Taufik Kusetiyohadi; Hesekiel Sijabat; Angga Pratama Putra; Septa Erik Prabawa; Yunus Susilo
Jurnal Geosaintek Vol 9, No 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v9i3.18657

Abstract

The accelerate of land registration is important to solve the land disputes. Start from 2022, BPN utilize UAV to make base maps quickly. One of photo map criteria is high horizontal accuracy of <0.5 meter by using Circular Error 90% (CE90). This research analyzes the effectiveness of PPK method on UAV survey to accelerate detailed land mapping in Indonesia. UAV fixed wing Vertical Takeoff and Landing (VTOL) model with Sony ILCE-6000 camera flown on 9.46 km2 areas, flying on 244 meters, and using 8 Ground Control Points (GCP) in Muktisari Village, Ciamis. First, UAV camera coordinates processed to obtain photo mosaic. Furthermore, geometric correction processed with GCP to obtain orthophoto for each mosaic photo. The UAV without PPK produced CE90: 0.02 meter (RMSE: 0.013 meter), whereas the UAV using PPK produced CE90: 0.008 meter (RMSE: 0.005 meter). According to the CE90 value on UAV showed resulting photo map included in 1:1000 scale aerial photo map in class 1. However, this research showed the UAV using PPK is 2.5 times more accurate. In conclusion, PPK can improve the performance of UAV to increase the photo map geometry accuracy. Hence, UAV using PPK are recommended to accelerate detailed land mapping in Indonesia.
Co-Authors ,, Pamudi Aldea Noor Alina Alfiansyah, Saddam Amirul Huda, Muhammad Ananda Angga Pratama Putra Angga Pratama Putra, Angga Pratama Ary Iswahyudi Danta, Rama Saputra Dwa Desa Warnana Effendi, Anita Fatmawaty Fahrul Yahya Firmansyah, Arizal Arif Hamzah, Mochamad Farhan Harto, Subekti Hesekiel Sijabat Ilanka Cahya Dewi Irawati Irawati Koroh, Yahya Alfrid Kusetiyohadi, Taufik Manggala, Adhitya Surya Mawarni, Reynalda Anindia Melisa Amalia Mahardianti Melisa Amalia Mahardianti, Melisa Amalia Misbahuddin, Mohammad Muhammad Ichsan Mutolif, Mutolif Navisa, Shilvy Choiriyatun Niswah Selmi Kaffa Noor Alina, Aldea Ragana, Izza Muzakhi Reksa Rahmasari, Aurellia Nabilla Regita Faridatunisa Wijayanti Renata, Ahmad Reyhan Cahya Sayyidatul Khoiridah Sijabat, Hesekiel Slamet Riadi Susilo, Yunus Taufik Kusetiyohadi Wijayanti, Regita Faridatunisa Yahya, Fahrul Yunus Susilo