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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Prosiding Seminar Nasional MIPA Scientica Education Journal (SEJ)
I Nengah Simpen
Jurusan Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Udayana
Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Education Mathematics

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Aplikasi Geolistrik pada Pemetaan Daerah Intrusi Air Laut di Pantai Candidasa Pujianiki, Ni Nyoman; Simpen, I Nengah
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 1 (2018)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.319 KB) | DOI: 10.14710/mkts.v24i1.17574

Abstract

To know the magnitude of sea water intrusion that occurred in Candidasa area need to be mapping by using Geo-electric Method. Geo-electric method is one Geophysical method that works by injecting an electric current into the ground and then measured the potential difference it generates. Based on the data of electric current and potential difference, resistivity will be obtained in the research area. The result of sea water intrusion mapping in Candi Dasa beach area indicates that sea water intrusion has occurred but not yet on the status of conspiracy. If groundwater extraction is not restricted, the level of intrusion will continue to increase. Contour resistivity indicates that there has been a sea water intrusion in the Candidasa Tourism Area in a mild status in the southeast area at a depth of 5-10 m. The measured rock resistivity values in the study sites ranged from 0.35 to 1800 ohm.m, the seawater intrusion criteria occurred at a resistivity of 0.5 - 30 ohm.m. The results of the study are expected to give policyholders input on sea water intrusion in Candidasa Tourism area so that appropriate policy steps can be taken.
RE-VEGETASI TANAH VULKANIS TANDUS DENGAN AIR SUMUR Simpen, I Nengah; Sutama, I Nyoman Sutarpa; Redana, I Wayan; Zulaikah, Siti
Prosiding Seminar Nasional MIPA 2015: PROSIDING SEMINAR NASIONAL MIPA UNDIKSHA 2015
Publisher : Prosiding Seminar Nasional MIPA

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Abstract

Abstrak. Tanah vulkanis merupakan suatu perlapisan tanah yang terbentuk oleh hamparan material letusan gunung berapi saat meletus. Tanah vulkanis biasanya tandus. Perlu waktu yang lama bertahun-tahun dan bahkan sampai berpuluh-puluh tahun untuk menumbuhkan kembali vegetasi (re-vegetasi) di daerah ini. Untuk itu perlu dicari suatu cara agar pada tanah yang semula tandus dapat sesegera mungkin ditumbuhi tanam-tanaman, sehingga tanah vulkanis menjadi produktif. Melihat kondisinya yang seperti ini dapatlah dianalisa bahwa masalah utama pada daerah tersebut adalah air dan cara mengelolanya. Di sini diberikan salah satu contoh untuk mencari air pada daerah tanah vulkanis tandus yaitu dengan Metoda Geolistrik. Dari hasil yang didapat bahwa walaupun bagian atasnya berupa tanah vulkanik tandus, namun di bawahnya masih terpendam akuifer-akuifer yang dapat disadap airnya. Setelah airnya didapat, airnya mestinya dikelola sehngga dapat dipakai oleh hewan maupun tumbuhan. Simbiosis antara hewan dan tumbuhan dapat mempercepat proses re-vegetasi pada daerah vulkanis tandus. Sebagai hasil studi, dapat dilihat pada beberapa daerah di Kabupaten Karangasem Bali.Kata kunci: Re-vegetasi, Tanah vulkanis tandus, Metoda Geolistrik, Air sumur
Addressing the Global Environmental Crisis: The Critical Role of Natural Science in Sustainable Solutions Siyamsih, Dwi; Faradina, Anggia; Simpen, I Nengah; Noviya, Anis; Tasya, Amalia
Scientica Education Journal Vol. 1 No. 6 (2025): SEJ-January
Publisher : PT. Anagata Sembagi Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62872/8r8s1g26

Abstract

This research aims to examine the role of natural sciences in overcoming global environmental crises through sustainable science-based solutions. With environmental problems such as climate change, pollution, and ecosystem degradation on the rise, a comprehensive scientific approach is needed to identify effective mitigation and adaptation strategies. The research method used in this article is Systematic Literature Review (SLR). This approach is used to collect and analyze previous research that discusses the contribution of natural sciences in dealing with environmental crises. The literature analyzed includes international journals, academic books, and research reports from trusted institutions. The data are categorized based on relevance, methods, results, and conclusions of the research to gain a deep understanding of the latest developments in sustainable solutions. The results of the study show that natural sciences have a crucial role in overcoming the global environmental crisis through various innovations and science-based approaches. Continuous research has contributed to the development of solutions such as renewable energy, environmental conservation, and environmentally friendly technologies. To increase the effectiveness of the implementation of these solutions, closer collaboration between scientists, governments, industry, and the public is needed in integrating research results into real policies and practices. Thus, increasingly complex environmental challenges can be overcome more effectively, so that the future of the earth can be better preserved for future generations.
Co-Authors Agit Setiyoko Faradina, Anggia I NYOMAN SUTARPA SUTAMA I Wayan Redana Ni Nyoman Pujianiki Noviya, Anis septina widya lestari Siti Zulaikah Siyamsih, Dwi Tasya, Amalia