Claim Missing Document
Check
Articles

Found 3 Documents
Search
Journal : journal of geoscience engineering and energy jogee

PENDUGAAN STRUKTUR BAWAH PERMUKAAN DI DAERAH BAGIAN TENGAH DAS CISADANE DENGAN MENGGUNAKAN DATA GRAVITY Suherman Dwi Nuryana; Novi Triany; Dyah Ayu Setyorini; Karyono HS; Nana Sulaksana; Emi Sukiyah
Journal of Geoscience Engineering & Energy (JOGEE) VOLUME 1, NOMOR 2, AGUSTUS 2020
Publisher : Universitas trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3153.907 KB) | DOI: 10.25105/jogee.v1i02.7685

Abstract

Daerah Aliran Sungai (DAS) Cisadane merupakan wilayah yang pembangunannya berkembang sangat pesat. Tingginya aktivitas pembangunan tersebut menjadikan pemahaman kondisi bawah permukaan aliran sungai Cisadane perlu untuk dipelajari. DAS Cisadane termasuk dalam Cekungan Jakarta bagian Barat, tersusun oleh endapan aluvium, delta dan material gunungapi serta batuan tua yang berumur Tersier. Tujuan penelitian untuk mengetahui struktur bawah permukaan yang ada di bagian tengah DAS Cisadane. Metode gaya berat digunakan untuk mengidentifikasi keberadaan struktur bawah permukaan berdasarkan kontras densitas batuannya. Analisis struktur bawah permukaan dilakukan melalui interpretasi dari peta anomali Bouguer dan anomali residual serta model dua dimensi gayaberat. Hasil penelitian mempelihatkan nilai anomali Bouguer antara 47.0 sampai 70.4 mGal. Anomali di bagian utara dan selatan relatif lebih rendah daripada bagian tengah, menunjukkan bahwa basement di bagian utara dan selatan lebih dalam dibandingkan di bagian tengah. Penampang model gayaberat dibuat dalam 3 lapisan, dengan densitas 1.9 mGal berupa sedimen kuarter, 2.2 mGal sedimen Tersier dan batuan dasar 2.67 mGal. Pola struktur bawah permukaan DAS Cisadane bagian tengah berupa sesar mendatar yang berarah baratlaut-tenggara.
MORFOTEKTONIK DAS CITARIK HULU KAITAN DENGAN TATA GUNA LAHAN, DI WILAYAH CICALENGKA, KAB. BANDUNG Mochamad Aufar Muttaqin; Murni Sulastri; Nana Sulaksana; P Paramarta Raditya Rendra
Journal of Geoscience Engineering & Energy (JOGEE) VOLUME 3, NOMOR 1, FEBRUARI 2022
Publisher : Universitas trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1485.311 KB) | DOI: 10.25105/jogee.v3i1.12986

Abstract

The Upper Citarik sub-watershed area is part of the Citarum watershed. Most of the surrounding land is used as agricultural areas, gardens, rice fields, forests, and settlements. With most of the people working as farmers, it causes land degradation due to agricultural extensification. Because the Cicalengka area is estimated to be the final part of the Lembang Fault, and an area that has experiencing changes of land use, this study aims to examine the relationship between the morphotectonic aspects of the Upper Citarik watershed and land use around the Citarik River. The approach used to identify morphotectonic influences in the research area is the analysis of the ridge lineament pattern as well as geomorphic analysis in the form of bifurcation ratio (Rb), drainage density (Dd), mountain front sinousity (Smf), and valley floor width to height ratio (Vf). The dominant pattern of ridge lineaments in the study area is northeast-southwest, resulting in mountains oriented northwest-southeast. The average Rb value is 3.64, Dd ranges from 0.25-10, Vf with an average of 0.62, and the Smf value ranges from 1.11-1.64 in the north and 1.3-2.39 in the south. It can be interpreted that the tectonic activity of the surrounding area is classified as moderately active tectonic, and there are differences in tectonic classes between the northern and southern parts.
AKTIVITAS TEKTONIK RELATIF BERDASARKAN INDEKS GEOMORFIK DAERAH TANGKAPAN AIR CIHAUR KABUPATEN BANDUNG BARAT PROVINSI JAWA BARAT: RELATIVE TECTONIC ACTIVITY BASED ON GEOMORPHIC INDICES OF CIHAUR WATER CATCHMENT AREA WEST BANDUNG REGENCY WEST JAVA PROVINCE Anggito Saputra; Murni Sulastri; Nana Sulaksana; P Paramarta Raditya Rendra
Journal of Geoscience Engineering & Energy (JOGEE) VOLUME 3, NOMOR 2, AGUSTUS 2022
Publisher : Universitas trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1521.965 KB) | DOI: 10.25105/jogee.v3i2.13631

Abstract

The Cihaur watershed is one of the interesting areas for study about morphotectonic. This area is an earthquake-prone caused by subduction zone and active fault. The methods used in this study are: lineament analysis, morphotectonic, and associate of lithology and tectonic activity. The lineament analysis show that the ridge lineament pattern of study area is dominantly oriented West-East, following to structural pattern of Java. The morphotectonic analysis used three geomorphic index: basin asymmetric factor (Af), valley width-to-high ratio (Vf), and mountain front sinuosity (Smf). Then all the geomorphic index calculated by average of five geomorphic indices became index of relative tectonic activity (IATR). The study area was divided into four parts: 1st Class (very high tectonic, 13.14% in area); 2nd Class (high, 8.88% in area); 3rd Class (moderate, 46.21% in area); and 4th Class (low, 15.62% in area). This IATR result show that Cihaur watershed was controlled by moderate tectonic activity. The lithology of the study area is divided into: volcanic rock, sedimentary rock, and lake sediment. Association with tectonic activity shows that sedimentary rocks were highly tectonic-very highly tectonic, the volcanic rocks were moderately tectonic-highly tectonic, and lake sediment was low tectonic.
Co-Authors A. Asseggaf A. Sudradjat A. Sudradjat ACHMAD RIFAI Achmad Sjafrudin, Achmad Adjat Sudrajat Adjat Sudrajat Agoes Loeqman Agus W Oscar Aliyuddin Jamil Andi Makawaru Yasin, Andi Makawaru Andis Priswantoro Ando, Ferry Anggito Saputra Anggoro Tri Mursito Arini Dian Asep Nursalim, Asep Bombom Rachmat Suganda, Bombom Rachmat Boy Yoseph Cahya Sunan Sakti Syah Alam Brilian, Ciria Humanis Budi Muljana Burhanidunnur, Muhammad Cahya Patria Cipta Endayana Cipta Endyana Dadan Wildan, Dadan Daliman, Shaparas Binti Denny Lumban Raja Dewandra Bagus Eka Putra Dewandra Bagus Eka Putra, Dewandra Bagus Eka Dewi Gentana Dicky Muslim Djapani, Yuspian Dudi Nasrudin Usman Dwi Putranto Waloeyo Dyah Ayu Setyorini Emi Sukiyah Euis Tintin Yuningsih Fachrur Reza Assegaff Febri Hirnawan Febri Hirnawan Febri Hirnawan Fikri Abdulah, Fikri G. Hartono G. Hartono Hanik Humaida Hartono, G. Helman Hamdani Hendarmawan Hendarmawan HS, Karyono Ildrem Syafri Imam Santosa Indrakususma, Riko Ardiansyah Indrakususma, Riko Ardiansyah Inu Zaini Yasir -, Inu Zaini Yasir Isandarsyah, Teuku Yan Waliana Muda Iskandarsyah, Teuku Y. M. W. Iwan Nursahan Iyan Haryanto Jamal Jamal Jamal Jamal Johanes Hutabarat Johanes Hutabarat Kamaruddin, Hashari Kamaruddin, Hashari Karyono HS Khoirullah, Nur M. Nursiyam Barkah, M. Nursiyam Mamay Surmayadi Mega Fatimah Rosana Mochamad Aufar Muttaqin Mohamad Sapari Hadian Mudiarsono Mudiarsono Muhammad Agil Prasetyo Muhammad Burhannudinnur Muhammad Kurniawan Alfadli Muhammad Lutfi Muhammad Tobibi Pratama Pohan Murni Sulastri Murni Sulastri Murni Sulastri Murni Sulastri Murni Sulastri Muttaqin, Mochamad Aufar Novi Triany Nurasa , Heru Nurohim, Dede Nursahan, Iwan Nursahan, Iwan Oscar, Agus W Oscar, Agus W P Paramarta Raditya Rendra Persulessy, Janeth Angel Pradnya P. Raditya, Pradnya P. Pradnya Paramarta Raditya Rendra Pradnya Raditya Rendra, Pradnya Raditya Priatna Priatna Priatna, Priatna Priatna, Priatna Princessca, Channia Priswantoro, Andis Andis Puguh Setiyanto, Puguh Rendra, P Paramarta Raditya Rita Yulianti, Rita Rizki Satria Rachman Salsabila, Unik Hanifah Saputra, Adang Setyorini, Dyah Ayu Sipahutar, Sumahang R. Sofyan Rachman Idris Sri Wahyuni Sudradjat, A. Suherman Dwi Nuryana Suherman Dwi Nuryana Sulastri, Murni Syamsul Irham, Syamsul T Yan Waliana T Yan Waliana, T Yan Teuku Yan Waliana Muda Iskandarsyah Tri Mursito, Anggoro Anggoro Trisnadiansyah, Mochamad Ridfan Vijaya Isnaniawardhani Waliana, Teuku Yan Wening Sulistri Winantris Winantris Yoga Andriana Sendjaja Yudhi Listiawan Yuniarti Yuskar Yuniarti Yuskar, Yuniarti Zakia Lukman Zufialdi Zakaria