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Journal : Journal of Applied Geospatial Information

Analysis of Clay Silt Reserve Using Geoelectricity in the Village of Dulohupa District of Gorontalo Dewa Gede Eka Setiawan; Abd. Wahidin Nuayi
Journal of Applied Geospatial Information Vol 1 No 2 (2017): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v1i2.516

Abstract

This research aims to investigate clay silt reserve in brick farmer area. This research applies geoelectricity by using Schlumberger configuration conducted by doing injection of electric current with low frequency to surface of earth. Value of resistance will bring information about structure and materials across by it.Research site is in four stations and based on the geographical location in the station I at coordinate N 00 ° 35'43.7 ", E 123 ° 03'41.6" directed to east west, station 2 in coordinate N 00 ° 35'43.8 ", E 123 o 03'41.4 "directed to north south, station 3 in coordinate N 00 ° 35'42.4", E 123 ° 03'41.5 "directed to north south and station 4 in coordinate N 00 ° 35'45.4", E 123 ° 03 '42 .1 "directed to south north. Research finding reveals that depth or density of clay silt ie in S1 is 8 m, in S2 is 2.5 m, in S3 is 7 m while in S4 is 8,5 m. Density in S2 is the thinnest is the river thinnest gravel and sand are found there. Then, based on the four points after straight line is drawn, it shapes geometry which makes the volume of clay silt reserve can be calculated. And based on finding of measurement and calculation, it obtains volume of clay silt reserve in the village of Dulohupa for 15000 m3.
Study of Groundwater Types Using the Vertical Electrical Sounding (VES) Method in the ‘Martani Field’ Ngemplak District of Yogyakarta Nurul Dzakiya; Muhammad Faizal Zakaria; Dewa Gede Eka Setiawan; Robertus Belardo Laksmana
Journal of Applied Geospatial Information Vol 5 No 1 (2021): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v5i1.2703

Abstract

Study of groundwater types using the Vertical Electrical Sounding (VES) method in 'Martani Field’ Ngemplak District of Yogyakarta was done by carrying out eight measurement points to look for groundwater potential. This area is an area on the southern slopes of Mount Merapi which is included in the Yogyakarta Groundwater Basin. The type of lithology is identified based on the measurement of its resistivity value so that there are several types of lithology, namely Breccia (110-670 Ωm), Clay (1.99-10.12 Ωm), Sandstones (17.06-56.82 Ωm) and andesite lava (688-1657 Ωm). The bottom of the aquifer in this basin is composed of rock formations that are impermeable or semi impermeable which are non-aquifer, namely by Breccias, Clay and Andesite Lava. The existence of sandstones that act as aquifers is found near the surface at a depth of <25 m and at a depth of about 60-100 m below the surface so that it is divided into two categories, namely shallow groundwater and deep groundwater.
Co-Authors AA Sudharmawan, AA Abd Rahman Abd Wahidin Nuayi Abdi Gunawan Djafar Abdul Haris Odja Abdulrahman Djou Ahmadi, Haerul Andi Indra Wulan Sari Ramadani Andi Iskandar Andi Patiewere Metaragakusuma Anisa Fauzia Ardita Ardita Ardiyanto, Kamal Asi, Algianto Asri Arbie Audina Setyawaty D. Buta Aulia Fitrah Ramadhani Bokori, Nur A S Buhungo, Trisnawaty Junus Bunga Tang Citron S Payu Citron S. Payu Damopolii, Relita Danial, Yulistia Anggraini Desi Kiswiranti Dewahastu Gaib Dewaputu, Nugraha Oktofelly Dewi Diana Paramata Dzakiya, Nurul Elfiana Elfiana Elvira Ariyanto Pakaya Fira Lakoro Gafur, Nurfitri Abdul Gamar Abdullah Goma, Metalika Haerul Ahmadi Harsano Jayadi Hersiq Basri Hidayah, Radhitya Adzan Hidjrawaty Tantu Husen, Maman Hermana I Komang Wijaya I Made Hermanto Ilato, Nursuciani Radja Indrawati Lasumbu Indriati Martha Patuti Isa, Putri Cahyani Iswanto A. Yunus Jahja, Mohamad Jahja, Muhamad Karim, Rahmiaty Abd. Kasim Dihuma Kobandaha, Restiyanti Kurniasari, Septiana Lantapon, Nancy Noviana Larasati Sukmadewi Wibowo Latief, Fachrul Latief, Muh. Fachrul Lipoeto, Moh. Ramdan Lukman Samatowa Magfira Syaripudin Mahmud, Surti A. Masayuki Sakakibara Masra Latjompoh Masri Kuadrat Umar Masri Kudrat Umar Masri Kudrat Umar Meilan Demulawa Mobiliu, Fajar Putra Moh Arif Alfan Habibi Mohamad, Wahyu Muzizat Mohammad Yusuf Muammad Irfan Dunggio Muh Fachrul Latief Muhammad Agsti Buana Aditya Muhammad Faizal Zakaria Muhammad Yunus Muhammad Yunus Muhammad Yunus Muhammad Yusuf Muksin, Engelina Mursalin Mursalin . Nina Shaqina Anggo Nismawati A Haruna Nova Elysia Ntobuo Nover Tiara Jelita Ntobuo, Nova E. Nur Rahma Kuengo Nurfadillah Abdullah Nurhidayah Nurhidayah Nurul Dzakiya Puput Salsabina F. Satri Rabiyanti B. Kamali Raflin Hamzah Taib Raghel Yunginger Rahim, Niarti Ramadani, A. Indra Wulan Sari Ritin Uloli Rizky Prayatman Robertus Belardo Laksmana Rum, Junita Angraini Styaning Rusni R Rifai Salmawaty Tansa Salmawaty Tansa Samatowa, Lukman Sandi, Febriyanti Yuliana Sarni Ngadi Septiana Kurniasari Sintia Nasir Hasani Siti Fazria Tobuto Sri Alda Rabiasa Sri Nuryatin Hamzah Sri Yanti N Ismail Stenly Tampi Subhan Arif Supartin Supartin Supartin, Supartin Supu Idawati Supu, Idawaty Suwaldi Mopangga Tirtawaty Abdjul Tsutomu Yamaguchi Vivit Idrus Wahyu Muzizat Mohamad Yita Irmala Sari Zulkifli, M