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  • 1
    In: POSITRON, Tanjungpura University, Vol. 13, No. 1 ( 2023-05-31), p. 31-
    Kurzfassung: One of the geopark tourism areas in East Lampung Regency, "Gua Pandan," has run into rock subsidence on the surface. As part of the subsidence prevention, indirect electrical methods between resistivity and chargeability profiling were applied to identify the presence of a subsurface cave in the study area. Two measurement lines were carried out with Wenner Alpha and Wenner Schlumberger arrays. Because the depth target is shallow (approximately 10 m) and to obtain a better resolution, each line has a stretch length of 70 m and 2 m electrode spacing. A line was measured over a known underground cave to produce a desired outcome, and the other was in an area with no cavities. Based on the results from each profile of resistivity and chargeability, an air-filled target has a value of over 5,000  and under 6 ms, respectively. Then, integrated processing of both methods generated a metal factor (MF) profile to view the presence and estimated shape of the cave/ cavities. The result represents that an MF value under 1.5 ms/Ωm is a cavity, and solid rock is over 1.5 ms/Ωm. Also, the MF level from both configurations delineates a similar section. However, a modest difference occurs in estimating the cavity shape geometry,  for Wenner Apha and  for Wenner Schlumberger. Furthermore, this study can be an initial step in safety assessment in the area.
    Materialart: Online-Ressource
    ISSN: 2549-936X , 2301-4970
    Sprache: Unbekannt
    Verlag: Tanjungpura University
    Publikationsdatum: 2023
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    In: Land, MDPI AG, Vol. 12, No. 6 ( 2023-06-16), p. 1238-
    Kurzfassung: Indonesia is the largest archipelagic country in the world, with 17,000 islands of varying sizes and elevations, from lowlands to very high mountains, stretching more than 5000 km eastward from Sabang in Aceh to Merauke in Papua. Although occupying only 1.3% of the world’s land area, Indonesia possesses the third-largest rainforest and the second-highest level of biodiversity, with very high species diversity and endemism. However, during the last two decades, Indonesia has been known as a country with a high level of deforestation, a producer of smoke from burning forests and land, and a producer of carbon emissions. The aim of this paper is to review the environmental history and the long process of Indonesian forest management towards achieving environmental sustainability and community welfare. To do this, we analyze the milestones of Indonesian forest management history, present and future challenges, and provide strategic recommendations toward a viable Sustainable Forest Management (SFM) system. Our review showed that the history of forestry management in Indonesia has evolved through a long process, especially related to contestation over the control of natural resources and supporting policies and regulations. During the process, many efforts have been applied to reduce the deforestation rate, such as a moratorium on permitting primary natural forest and peat land, land rehabilitation and soil conservation, environmental protection, and other significant regulations. Therefore, these efforts should be maintained and improved continuously in the future due to their significant positive impacts on a variety of forest areas toward the achievement of viable SFM. Finally, we conclude that the Indonesian government has struggled to formulate sustainable forest management policies that balance economic, ecological, and social needs, among others, through developing and implementing social forestry instruments, developing and implementing human resource capacity, increasing community literacy, strengthening forest governance by eliminating ambiguity and overlapping regulations, simplification of bureaucracy, revitalization of traditional wisdom, and fair law enforcement.
    Materialart: Online-Ressource
    ISSN: 2073-445X
    Sprache: Englisch
    Verlag: MDPI AG
    Publikationsdatum: 2023
    ZDB Id: 2682955-1
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    In: EPI International Journal of Engineering, Center of Technology (COT), Vol. 3, No. 2 ( 2021-01-22), p. 126-131
    Kurzfassung: Three types of 6 monopoles array intelligent antennas was numerically and practically examined. The main purposes of the investigation is to guarantee that those designed antennas are feasible to implement and to install in a particular IoT based environmental surveillance network configuration. The basic differences of the three intelligent antennas lied on the frequency operations (i.e. 433 MHz, 875-915 MHz and 2.5 GHz) and the actual environment operations (whether for indoor or outdoor). The extreme differences of such frequency operations, of course, affecting the differences on the whole antenna physical dimension. The higher the frequency operation determined then the smaller the physical size of the designed antennas produced. However, the deep intelligent antenna evaluations presented in the paper is the one that operated on frequency band of 875 -915 MHz. The intelligent electronic part of six monopole wire elements arrayed on a circular ground plate was composed of LoRa chip module, Android Uno microcontroller, and the switching network part. The three parts determined whole antenna operation throughout the IoT network. The results of whole antenna examinations are thoroughly discussed in the paper.
    Materialart: Online-Ressource
    ISSN: 2621-0541 , 2615-5109
    URL: Issue
    Sprache: Unbekannt
    Verlag: Center of Technology (COT)
    Publikationsdatum: 2021
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    In: Edukasi: Jurnal Pendidikan, LPPM IKIP PGRI Pontianak, Vol. 21, No. 1 ( 2023-06-10), p. 15-26
    Kurzfassung: Abstrak Kasus trauma sebagai salah satu permasalahan di dunia dengan angka kematian yang tinggi. Tingginya angka kematian pada korban, khususnya pada kasus kecelakaan, tidak terlepas dari rendahnya pertolongan pertama yang dilakukan masyarakat. Pelatihan pertolongan pertama pada kasus kecelakaan pada masyarakat menjadi solusi dalam meningkatkan pengetahuan masyarakat. Tujuan penelitian untuk mengetahui efektivitas pembelajaran dengan mnemonic SAMBAS dalam meningkatkan pengetahuan pertolongan pertama pada kasus trauma bagi masyarakat Kota Pontianak. Desain penelitian menggunakan menggunakan pre-experimental dengan one group pretest-posttest without control group. Responden penelitian sebanyak 30 orang dipilih dengan teknik quota sampling. Instrumen yang digunakan berupa kuesioner pengetahuan. Analisis data menggunakan uji Wilcoxon. Hasil penelitian menunjukkan bahwa pembelajaran dengan mnemonic SAMBAS efektif meningkatkan pengetahuan pertolongan pertama pada kasus trauma bagi masyarakat Kota Pontianak. AbstractCases of trauma as one of the problems in the world with a high mortality rate. The high death rate for victims, especially in accident cases, is inseparable from the low level of first aid provided by the community. First aid training in cases of accidents in the community is a solution to increasing public knowledge. The research aimed to determine the effectiveness of learning with the SAMBAS mnemonic in increasing knowledge of first aid in trauma cases for the people of Pontianak City. The research design used a pre-experimental with one group pretest-posttest without a control group. 30 research respondents were selected by quota sampling technique. The instrument used a knowledge questionnaire. Data analysis used the Wilcoxon test. The results showed that learning with the SAMBAS mnemonic was effective in increasing knowledge of first aid in trauma cases for the people of Pontianak City.
    Materialart: Online-Ressource
    ISSN: 2407-1803 , 1829-8702
    URL: Issue
    Sprache: Unbekannt
    Verlag: LPPM IKIP PGRI Pontianak
    Publikationsdatum: 2023
    Standort Signatur Einschränkungen Verfügbarkeit
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