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All Journal Jurnal Ilmu Lingkungan Journal of Geoscience, Engineering, Environment, and Technology KURVATEK EDUTEC : Journal of Education And Technology Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Infotech: Journal of Technology Information International Journal of Hydrological and Environmental for Sustainability Jurnal Educative: Journal of Educational Studies Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII
Akhmad Zamroni
Institut Teknologi Nasional Yogyakarta
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : KURVATEK

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PENGARUH AKTIVITAS PERTAMBANGAN TERHADAP NILAI PRODUK DOMESTIK REGIONAL BRUTO DAN EKONOMI MASYARAKAT DI PROVINSI KALIMANTAN TIMUR Wahyu Endah Christiani Putri; Akhmad Zamroni; Fajar Rizki Widiatmoko
KURVATEK Vol 5 No 2 (2020): November 2020
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v5i2.1854

Abstract

Gross Regional Domestic Product (GRDP) is a macroeconomic indicator of the economic condition in a region. The development of GRDP per capita is often used as an indicator of a region's success in economic development. One of the economic sectors that is an indicator of the success of regional development is the mining and excavation sector. East Kalimantan Province is a province with a wealth of natural resources in the form of coal mining. The purpose of this study is to analyze the effect of mining activities in East Kalimantan on the value of the GRDP and the economic conditions in that region. The results showed that mining activities had a significant effect on the GRDP per Capita and the economic conditions of the people in East Kalimantan Province. GRDP according to mining and excavation fields has an effect of 0.9431 on GDP per capita in East Kalimantan Province. The number 0.9431 in statistics means that the X coefficient has a strong effect on the Y coefficient. All decreases and increases in mining and excavation fields have a significant and proportional effect on the economic conditions of the people in East Kalimantan Province.Keywords: Gross Regional Domestic Product (GRDP), mining, economic conditions, East Kalimantan.
REKONSTRUKSI BIDANG GELINCIR LONGSOR DENGAN METODE GEOLISTRIK DI KAWASAN TAMAN NASIONAL TAIPINGSHAN, PROPINSI YILAN, TAIWAN Zamroni, Akhmad
KURVATEK Vol 4 No 2 (2019): November 2019
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v4i2.1184

Abstract

Taipingshan landslide occurred by Typhoon Saola in 2012. Rainfall recorded in that event occurred was over 1800 mm during three days. Additionally, geological factors such as weathered and erosion materials are also factors that give risk occur landslide. Geoelectrical resistivity is a geophysical method that uses an electrical current into the rock to get resistivity value. The function of geoelectrical resistivity is to determine materials in subsurface based on the resistivity value, which is done by measuring materials on the ground surface. The kinds of landslide material in this area is only one type of rock, it is slate. Differences of resistivity values (some colors in 2D resistivity image), due to several factors, such as weathered and fresh rock, fracture zones in the rock, and rock contacts with water. According to drilling data, 2D resistivity image, and geological map in Taipingshan, reconstruction of the subsurface profile was made to know the depth of potential mass wasting. The kinds of materials derived are colluvium at a depth of 0-10 m, weathered rock (slate) at a depth of 10-29 m, and bedrock (slate) at a depth of 29-100 m. The position of sliding surface was located between the weathered rock (slate) and bedrock (slate) at a depth of around 29 m. The sliding surface is obtained from two materials adjacent that has different contrast of resistivity value. So it is easily moving and eroded in steep slope and when heavy rainfall occurs. So that the thickness of potential mass wasting was around 29 m.
Co-Authors A.A Inung Arie Adnyano, A.A Inung Arie Afifah Nurul Maulina Agung Dwi Sutrisno Ahmad Taufik Amir Machmud, Amir Ani Apriani Ayu Candra Kurniati Azmil Abidah Bayurohman Pangacella Putra Brahme, Nameeta Desi Wulandari Dhea Ameila Pratiwi Doharma, Rouly Fajar Rizki Widiatmoko Fajar Rizki Widiatmoko Haris Nur Eka Prasetya Kapugu, Excellentia Riane Manmeet Kaur Maulina, Afifah Nurul Muhammad Abdurrozak Siamashari Nadi Suprapto Novitawati, Nelly Putri, Wahyu Endah Christiani Rahayu, Dhian Nur Rizqi Prastowo Sagala, Saurina Tua Saputra, Ainul Saurina Tua Sagala Siamashari, Muhammad Abdurrozak Wahyu Endah Christiani Putri Widiatmoko, Fajar Rizki Yeni Rachmawati