APLIKASI METODE GEOLISTRIK RESISTIVITAS 2D UNTUK IDENTIFIKASI BAWAH PERMUKAAN SITUS ALAS TRIK SIDOARJO

Rahma, Praditya (2018) APLIKASI METODE GEOLISTRIK RESISTIVITAS 2D UNTUK IDENTIFIKASI BAWAH PERMUKAAN SITUS ALAS TRIK SIDOARJO. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Situs Alas Trik merupakan peninggalan masa lalu yang diduga sebagai awal berdirinya kerajaan Majapahit. Situs berada di Desa Kedung Bocok, Kecamatan Tarik Sidoarjo. Situs yang telah ditemukan berupa susunan batu bata sepanjang 5 trap yang berarah barat-timur yang terpendam di bawah permukaan dengan kedalaman 0.5 meter. Dilakukan survey dengan metode geofisika yaitu geolistrik resistivitas 2D untuk mengetahui area persebaran situs yang masih terpendam di bawah permukaan. Penelitian dilakukan menggunakan metode resistivitas 2D konfigurasi Dipole-Dipole yang memiliki sensitivitas terhadap variasi horizontal pada kedalaman yang dangkal. Penelitian dilakukan pada saat musim hujan dengan karakter tanah yang cenderung berair. Lintasan penelitian sebanyak 5 lintasan dimana sebanyak 4 lintasan dengan panjang lintasan 62 meter berada pada area persawahan di sebelah selatan situs, dan 1 lintasan dengan panjang 31 meter berada sejajar dengan situs yang berada di sebelah utara. Didapatkan hasil bahwa pada lintasan 1, 2, 3, dan 5 dengan kedalaman mulai dari 1 meter terdapat nilai resistivitas 32 – 100 ohm-m, dan pada lintasan 4 pada kedalaman mulai dari 0.5 meter memiliki nilai resistivitas 32 – 100 ohm-m, yang diindikasikan sebagai adanya batu bata merah di bawah permukaan. Situs Alas Trik diindikasikan memiliki area persebaran hingga ke area persawahan yang berada di sisi selatan lokasi penemuan situs, serta terdapat kemenerusan situs yang telah dilakukan penggalian yang mengarah ke sebelah timur. ===================================================================================================== Alas Trik site is a relic of the alleged past as the beginning of the Majapahit empire. The site is located in Kedung Bocok Village, Tarik Sidoarjo. The site has been found in the form of brick arrangement along 5 trap west-east trending that buried beneath the surface with a depth of 0.5 meters. Geophysical survey was conducted by geophysical resistivity 2D to determine the area of the spread of the site is still buried under the surface. The study was conducted using the Dipole-Dipole 2D resistivity method that has sensitivity to horizontal variations at shallow depths. The study was conducted during the rainy season with the character of the land that tends to run. 5 tracking lines of line where as many as 4 line with a length of 62 meters lane are in the rice field area to the south of the site, and 1 line with a length of 31 meters is parallel to the site located in the north. It was found that on tracks 1, 2, 3, and 5 with depths ranging from 1 meter there is a resistivity value of 32 - 100 ohm-m, and on track 4 at depths ranging from 0.5 meters has a resistivity value of 32 - 100 ohm-m, which indicated as a red brick beneath the surface. Alas Trik site is indicated to have a dispersal area up to the rice fields located on the south side of the site discovery site, as well as there is a continuity of sites that have been carried out excavations that lead to the east.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Konfigurasi Dipole-Dipole, Metode resistivitas 2D, Situs Alas Trik
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QE Geology > QE601 Geology, Structural
Divisions: Faculty of Civil, Environmental, and Geo Engineering > Geophysics Engineering > 33201-(S1) Undergraduate Theses
Depositing User: Praditya Rahma
Date Deposited: 22 Jul 2021 23:18
Last Modified: 22 Jul 2021 23:18
URI: https://repository.its.ac.id/id/eprint/57655

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