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All Journal Journal of Geoscience, Engineering, Environment, and Technology Journal of Science and Applicative Technology Jurnal Biologi Tropis Elipsoida : Jurnal Geodesi dan Geomatika Jurnal Riset Biologi dan Aplikasinya Journal of Multidisciplinary Applied Natural Science Borobudur Journal of Science and Technology Journal of Fundamental Mathematics and Applications (JFMA) International Journal of Geotourism Science and Developmen JAGE Indonesian Journal of Applied Mathematics Communication in Food Science and Technology
Danni Gathot Harbowo
Sedimentology, Stratigraphy, And Geodynamic Research Group, Department Of Geology, Institut Teknologi Sumatera,
Agriculture, Biological Sciences & Forestry Arts Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences

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Stiva Cave: A New Discover Of Prehistoric Hominid Underwater Cave Harbowo, Danni Gathot; Alouw, Stiva; Soetamanggala, Theresia Gerungan; Gerungan, Azalia
Journal of Geoscience, Engineering, Environment, and Technology Vol 2 No 2 (2017): JGEET Vol 02 No 02 : June (2017)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (775.634 KB) | DOI: 10.24273/jgeet.2017.2.2.300

Abstract

Stiva Cave is an underwater cave (15,3 m below recent sea level), which located in Nusa Penida, Bali, Indonesia. Nusa Penida is a Karst landscape island in southern Bali Island. No many underwater caves are known and explored in this area, Stiva Cave is a first underwater cave which explored and discovered in Nusa Penida area. In this cave we found a number of fossils that we identified as vertebrate fossil and unique process that very potential for geotourism, especially for fun diving tourism. We mapped entire cave tunnel and measure a safety and risk for scuba diving, then we identified the fossil. At the result, there a several risk that need to be aware and several safety procedures that must be allow for observer. In other way, we found many similar fossils that and it spread in different tunnel that very potential for education in geotourism. We suggest that this cave is a shelter for hominid species when Last Glacial Maximum happens, before 21.000 years ago
Stiva Cave: A New Discover Of Prehistoric Hominid Underwater Cave Danni Gathot Harbowo; Stiva Alouw; Theresia Gerungan Soetamanggala; Azalia Gerungan
Journal of Geoscience, Engineering, Environment, and Technology Vol. 2 No. 2 (2017): JGEET Vol 02 No 02 : June (2017)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (775.634 KB) | DOI: 10.24273/jgeet.2017.2.2.300

Abstract

Stiva Cave is an underwater cave (15,3 m below recent sea level), which located in Nusa Penida, Bali, Indonesia. Nusa Penida is a Karst landscape island in southern Bali Island. No many underwater caves are known and explored in this area, Stiva Cave is a first underwater cave which explored and discovered in Nusa Penida area. In this cave we found a number of fossils that we identified as vertebrate fossil and unique process that very potential for geotourism, especially for fun diving tourism. We mapped entire cave tunnel and measure a safety and risk for scuba diving, then we identified the fossil. At the result, there a several risk that need to be aware and several safety procedures that must be allow for observer. In other way, we found many similar fossils that and it spread in different tunnel that very potential for education in geotourism. We suggest that this cave is a shelter for hominid species when Last Glacial Maximum happens, before 21.000 years ago
Microscopy Observation of Samosir Formation Paleosoil, Tuktuk Sidaong, North Sumatera, Indonesia. Danni Gathot Harbowo; Siti Zahra
Journal of Geoscience, Engineering, Environment, and Technology Vol. 6 No. 1 (2021): JGEET Vol 06 No 01 : March (2021)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2021.6.1.5217

Abstract

Samosir is the islands that emerge and standing upon on Toba Caldera after it’s the last eruption at 74.000 years ago. Samosir Island known as the caldera floor that uplifts parallel with Toba’s caldera flooding. In this study, we have observed an outcrop in Tumutuk, Samosir Island that hypothesized as a lacustrine deposit, and we found a paleosoil layer that might give more answers about the geological process in this area at the past time. Based on this outcrop, we described it, followed to measure its stratigraphy section, and took representative samples from the paleosoil layer, then observed the samples under the stereo-microscope as polish rock section, in normal light & negative images. As the result we identify several features of paleosoil & its sedimentary grain that shown this paleosoil layer, two events of the volcanoclastic deposits flown, and exposed two-time, and forming soil, it may form in the shallow swamp in a lacustrine environment, coincide with caldera flooding and caldera floor uplift event.
PENGARUH LIMBAH CAIR PERAWATAN CANDI BOROBUDUR TERHADAP FISIOLOGIS IKAN MAS (Cyprinus caprio) Danni Gathot Harbowo
Borobudur Vol. 5 No. 1 (2011): Jurnal Konservasi Cagar Budaya Borobudur
Publisher : Balai Konservasi Borobudur Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33374/jurnalkonservasicagarbudaya.v5i1.83

Abstract

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PROSES PEMBENTUKAN BIOPATINA PADA BATUAN Danni Gathot Harbowo
Borobudur Vol. 5 No. 1 (2011): Jurnal Konservasi Cagar Budaya Borobudur
Publisher : Balai Konservasi Borobudur Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33374/jurnalkonservasicagarbudaya.v5i1.84

Abstract

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IDENTIFIKASI KAWASAN RAWAN LONGSOR BERDASARKAN KARAKTERISTIK BATUAN PENYUSUN DI KOTA BANDAR LAMPUNG Lea Kristi Agustina; Danni Gathot Harbowo; Bilal Al Farishi
Elipsoida : Jurnal Geodesi dan Geomatika Vol 3, No 01 (2020): Volume 03 Issue 01 Year 2020
Publisher : Department of Geodesy Engineering, Faculty of Engineering, Diponegoro University,Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (410.113 KB) | DOI: 10.14710/elipsoida.2020.7769

Abstract

Kota Bandar Lampung memiliki topografi yang cukup beragam berupa lembah maupun punggungan bukit, dalam perkembangannya banyak kawasan pemukiman yang tersebar diantara perbukitan. Bencana longsor merupakan salah satu bencana yang sering terjadi di Indonesia. Perlu adanya kajian daerah rawan longsor beserta mitigasi bencana secara spesifik yang menjadi langkah konkrit dalam mengurangi angka korban jiwa maupun materi. Banyak faktor yang mempengaruhi rawan bencana longsor, yaitu: tingkat kemiringan dari kelerengan, tutupan lahan, jenis batuan dan tanah, serta didukung dengan data kejadian sebelumnya. Gambaran permukaan bumi khususnya daerah rawan longsor dapat direpresentasikan dalam peta, diawali dengan disusunnya dataset fundamental berdasarkan parameter yang berpengaruh kejadian longsor. Setiap parameter yang mempengaruhi kejadian longsor yang digunakan memiliki besar bobot yang berbeda dan terangkum dalam metode tumpang susun (Overlay). Meninjau area rawan di Kota Bandar Lampung terdapat sisa endapan gunungapi menghasilkan geomorfologi bukit terjal dimana penyusun batuannya adalah tuff dan breksi, yang kini bisa diamati di Kota Bandar Lampung, diantaranya adalah Bukit Sulah Sukarame, Bukit Koga Kedaton, Bukit Kaliawi dan Bukit Randu Tanjungkarang. Selain itu, terdapatnya banyak sesar yang berarah NW-SW sejajar orientasi Teluk Lampung, beberapa bukit di sekitarnya memiliki morfologi dengan curam. Batuan penyusunnya pun memiliki banyak rekahan, sehingga cenderung menjadikan lereng menjadi tidak stabil. Inilah yang membuat beberapa daerah di Kota Bandar Lampung rawan terjadi longsor.
KEBERADAAN HEWAN PENGOTOR TERITIP DI INFRASTRUKTUR TELUK KUNYIT, PANTAI SARIRINGGUNG DAN PANTAI MUTUN, LAMPUNG Hendry Wijayanti; Dhani Gathot Herbowo; Andy Darmawan
Jurnal Biologi Tropis Vol. 20 No. 1 (2020): Januari - April
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (463.878 KB) | DOI: 10.29303/jbt.v20i1.1540

Abstract

Abstrak: Teritip merupakan salah satu hewan pengotor yang umum hidup menempel pada infrastruktur buatan manusia yang teredam di dalam perairan laut. Fenomena penempelan teritip mengakibatkan kerusakan struktur bangunan pada infrastruktur di perairan laut. Tujuan penelitian ini menginventarisasi  keberadaan jenis teritip yang menempel pada infrastruktur yang ada di area pantai yang berada di Teluk kunyit, Pantai Sariringgung dan Pantai Mutun sebagai langkah awal dalam pengendalian hewan pengotor. Penelitian dilakukan dengan metode survei selama bulan April and November 2018. Pada kedua Pantai Sariringgung dan Pantai Mutun ditemukan dua spesies teritip, Amphibalanus amphitrite dan Microeuraphia withersii. Namun, jenis teritip yang ditemukan di Teluk Kunyit hanya satu spesies Cthtamalus malayensis..Kata kunci: introduksi, biofouling, zona intertidal, Teluk Lampung.Abstract: Barnacle is the most common biofouling in the manmade  submerged structures. Barnacles are a serious problem which leading the detriment of coastal structures. The aim of the study was to  investigate the dataset of barnacale communities in Lampung shores, in order to monitor developing of biofouling. Three  coastal areas of Teluk Kunyit, Sariringgung and Mutun were investigated between April and November 2018. It was found that two species, Amphibalanus amphitrite and Microeuraphia withersii, are found in both costal areas. In contrast, only colonial species of Cthtamalus malayensis has been found abundance in Teluk kunyit area.Keywords: introduction, biofouling, intertidal zone, Lampung Bay
Potensi Geodiversity di Sekitar Kawasan Anak Krakatau-Way Kambas, Provinsi Lampung, Sebagai Kandidat Geopark Indonesia Happy Christin Natalia; Danni Gathot Harbowo; Rinaldi Ikhram
Journal of Science and Applicative Technology Vol 5 No 1 (2021): Journal of Science and Applicative Technology June Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/jsat.v5i1.318

Abstract

The global significance of Krakatau Volcanic Complex and Way Kambas National Park is the best potential areas to be developed as part of a world heritage, particularly as UNESCO Global Geopark. Both of these objects are in the Lampung Province, Indonesia. Soon, it is necessary to identify and make an inventory of key sites that could become the theme of the area. The study of geodiversity and scientific valuation was carried out which referred to the Technical Guidelines for the Assessment of Indonesia Geological Heritage Resources, 2019. Based on these studies and assessments, there are 14 key sites to represent for Geopark Krakatau-Way Kambas themes. These sites are closely related to the evolution of tectonic activity in the Southern Sumatera as well as the dynamics of magmatism and paleovolcanism that have occurred since the Mesozoic which has signification in human history as world heritage.
DEVELOPMENT OF THE PUGUNG RAHARJO ARCHAEOLOGICAL PARK IN LAMPUNG PROVINCE WITH GEOPARK AND ASTROTOURISM CONCEPT R Ikhram; Harbowo; Lestari; Agustina; Hutama; Prastyo; Yusuf; Natalia; Muliawati; Muztaba; Puradimadja; Raharto; Malasan
International Journal of Geotourism Science and Development Vol. 1 No. 2 (2021): December 2021
Publisher : Badan Pelaksana Rinjani-geopark Rinjani Lombok

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (362.653 KB) | DOI: 10.58856/ijgsd.v1i2.9

Abstract

Pugung Raharjo Archaeological Park is an archaeological site covering a 30 hectares area in East Lampung Regency, Lampung Province. There is some evidence of the megalithic era, also called the stepped pyramid of Pugung Raharjo discovered in 1957. There are other megalithic buildings from the 12th to 16th centuries AD, including menhirs and dolmen and prehistoric remains dating back to 2500 BC. From a geological perspective, Pugung Raharjo Archaeological Park was built on the extent of vesicular basalt lava of the Sukadana Formation, which is situated above the top of the Sukadana Basalt Plateau. These stones even have a local designation referred to as 'curly stones' because of their rough texture and vesicular holes. Due to its good strength and adhe-sion, the people of East Lampung use this stone as their house foundation. These stone is also used to make pundan berundak, menhirs, dolmen and others. The use of local stone for buildings and daily life tools shows a strong connection between geological and cultural aspects. The Pugung Raharjo Site area is also a very suitable location for astronomical observations because of the low level of light pollution. Moreover, according to history, people have been familiar with astronomy in their daily lives, such as wor-ship, time markers, navigation, or directions. This gives reach to a hypothesis about the possibility of this ancient society's astro-nomical knowledge manifested in determining each object's position in an area with specific constellation patterns. Based on its potential, Pugung Raharjo Archaeological Park is very suitable for developing the Geopark concept, which integrates geological, biological, and cultural aspects.
k-Means Clustering to Enhance the Petrified Wood Composition Data Analyses and Its Interpretation Triyana Muliawati; Danni Gathot Harbowo; Andre Markus Fernando Lubis; Juan Daniel Turnip; Erina Rosalia Irda; Adelia Azahra; Yanti Marito
Indonesian Journal of Applied Mathematics Vol 3 No 1 (2023): Indonesian Journal of Applied Mathematics Vol. 3 No. 1 July Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/indojam.v3i1.1288

Abstract

Geologically, the fossilization of wood materials into fossils requires appropriate conditions, some of which have been preserved for millions of years. In nature, the organic mass of wood must be quickly replaced by inorganic elements before it decomposes under harsh geological conditions. Anorganic oxides such as silica-oxide, are known to be the main components of most wood specimens (up to 80%). The presence of alkaline oxides such as sodium and potassium oxide seems to play a major role in the presence of dissolved silica during petrification. However, their significance in the petrification phenomenon that occurs in fossilized plant wood is not yet known. Therefore, in this study, cluster analysis was conducted to determine the relationship between the presence of silica and alkaline compounds in petrified wood fossils. The approach used was -means clustering supported by the Elbow Method, which aims to review and order a complex set of data into subsets, thus allowing interpretation. The results showed that the clustering of the fossil wood composition data was optimal at = 3. There is a fair correlation between the presence of silica and alkali oxide compounds (-0.504 to -0.387), as well as with another inorganic compounds (+0.957). The presence of sodium and potassium is strongly correlated during silicification (+0.905). Additionally, the results of data clustering made the wood fossilization process susceptible to describe, especially through data regression. The data visualization provides more facts and proper explanations of the role of alkaline oxides in wood silicification. This study furthers our understanding of wood fossilization, especially the diagenesis of wood chemical composition in geological history.
Co-Authors Adelia Azahra Agustina Andre Markus Fernando Lubis Andy Darmawan Azalia Gerungan Azalia Gerungan, Azalia Bilal Al Farishi Erina Rosalia Irda Fuji Lestari Hendry Wijayanti Hutama Juan Daniel Turnip Lea Kristi Agustina Lestari Malasan Mika Alvionita Sitinjak Muliawati Muliawati, Triyana Muztaba Natalia Natalia, Happy Christin Prastyo Puradimadja R Ikhram Raharto Rinaldi Ikhram Satria, Ardika Siti Zahra Sitinjak, Eri Sarmantua Stiva Alouw Stiva Alouw, Stiva Theresia Gerungan Soetamanggala Theresia Gerungan Soetamanggala, Theresia Gerungan Yanti Marito Yusuf