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All Journal Acuity : Journal of English Language Pedagogy, Literature and Culture International Journal of Marine Engineering Innovation and Research Journal of the Civil Engineering Forum
Nizam
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Field Study of Deposit and Erosion Patterns around Pandanus Clusters on Sandy Coasts: a Preliminary Investigation Nizam; Benazir; Ibrahim, Muhammad S. I.; Setyandito, Oki; Purnomo
Journal of the Civil Engineering Forum Vol. 11 No. 1 (January 2025)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.13286

Abstract

Coastal zones are inherently dynamic, often resulting in long-term cumulative impacts such as erosion, which can potentially escalate into disasters. Discussions regarding nature-based solutions, particularly the utilization of coastal forests, have gained prominence due to their environ[1]mental benefits. This paper investigates the role of vegetated coasts in mitigating the effects of wave attacks on land, focusing specifically on Coastal Pandanus species. We conducted a systematic monitoring effort to quantify land changes directly around these species in the field. The southern coast of Java, characterized by significant coastal processes, served as the investigation site. We monitored the changes in the foredunes of eight Pandanus clusters identified along a 1 km stretch of the Pandansari and Samas coasts in the Special Region of Yogyakarta, Indonesia. Our systematic monitoring, conducted biweekly from September to December 2023, involved precise measurements of land elevation, sediment deposition, and erosion around the Pandanus clusters. We utilized manual leveling surveys and installed erosion pins to enhance the precision of our topographic assessments. These monitoring techniques allowed us to thoroughly examine the relationship between Pandanus cluster characteristics and coastal processes. Our findings illuminate the pivotal role of Pandanus clusters in shaping coastal profiles, which depend on cluster area and growth characteristics. Additionally, we underscore key points regarding their success rates, limitations, and future strengthening efforts through the implementation of this nature-based solution. This research contributes to a deeper understanding of the complex interactions between coastal dynamics and vegetative elements, paving the way for informed coastal management strategies in the future.
Improving Speaking Ability Through Show and Tell for Eighth Graders Nizam; Mukrim; Mashuri; Kamaruddin, Abd.
Acuity: Journal of English Language Pedagogy, Literature and Culture Vol. 11 No. 1 (2026): Acuity: Journal of English Language Pedagogy, Literature and Culture
Publisher : LPPM Universitas Advent Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35974/acuity.v11i1.3979

Abstract

This study aims to investigate the effect of Show and Tell on students’ Speaking Ability particularly in accuracy and comprehensibility at The Eighth Grade Students of SMP Negeri Satu Atap Lik Layana Indah in Academic Year 2024/2025. This study used a quantitative approach with a Pre-experimental design using one group pre-test post-test design. In this research, the researcher used a total sampling technique with a total of sample 32 students. To analyze the data, the researcher used statistical computation by using SPSS software. After implementing Show and Tell method over six meetings, a post-test was administered to measure improvements. The results show that the mean of the pre-test score was 43.75, while the mean score of the post-test increased to 58.59, demonstrating a significant improvement. After getting the mean score the researcher performed a normality test, which showed the data were not normally distributed. Therefore, the researcher applied the Wilcoxon Signed Rank Test. The result of the test shows a significance value (Asymp. Sig. 2-tailed) is .000, which is smaller than 0.05, indicating a significant improvement in students’ speaking ability after using the show and tell method, confirming that the hypothesis (Ha) is accepted. Thus, the use of Show and Tell Method is effective in improving students’ speaking ability in terms of accuracy and comprehensibility of eight-grade students’ at SMP Negeri Satu Atap Lik Layana Indah.
Improving Speaking Ability Through Show and Tell for Eighth Graders Nizam; Mukrim; Mashuri; Kamaruddin, Abd.
Acuity: Journal of English Language Pedagogy, Literature and Culture Vol. 11 No. 1 (2026): Acuity: Journal of English Language Pedagogy, Literature and Culture
Publisher : LPPM Universitas Advent Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35974/acuity.v11i1.3979

Abstract

This study aims to investigate the effect of Show and Tell on students’ Speaking Ability particularly in accuracy and comprehensibility at The Eighth Grade Students of SMP Negeri Satu Atap Lik Layana Indah in Academic Year 2024/2025. This study used a quantitative approach with a Pre-experimental design using one group pre-test post-test design. In this research, the researcher used a total sampling technique with a total of sample 32 students. To analyze the data, the researcher used statistical computation by using SPSS software. After implementing Show and Tell method over six meetings, a post-test was administered to measure improvements. The results show that the mean of the pre-test score was 43.75, while the mean score of the post-test increased to 58.59, demonstrating a significant improvement. After getting the mean score the researcher performed a normality test, which showed the data were not normally distributed. Therefore, the researcher applied the Wilcoxon Signed Rank Test. The result of the test shows a significance value (Asymp. Sig. 2-tailed) is .000, which is smaller than 0.05, indicating a significant improvement in students’ speaking ability after using the show and tell method, confirming that the hypothesis (Ha) is accepted. Thus, the use of Show and Tell Method is effective in improving students’ speaking ability in terms of accuracy and comprehensibility of eight-grade students’ at SMP Negeri Satu Atap Lik Layana Indah.
Behavior Propagation of Surge Tsunami in Casuarina Equisetifolia Forest Purwono, Novi Andhi Setyo; Nizam
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

The tsunami disaster in the Indian Ocean on 26 December 2004 had an impact that killed more than 300,000 worldwide and caused catastrophic damage to infrastructure. Indonesia is a tsunami-prone country because it is located between two plates that have great potential for collision, that are the Eurasian plate and the Indo-Australian plate. One of the efforts to mitigate the tsunami disaster is to create protection in the form of natural protection (coastal forests). Tsunamis that move closer to the coast are in the form of surge waves similar to waves resulting from a dam break. The change in depth from the deep sea towards the coast results in an increase wave height, but a decrease in wave velocity. This research was conducted using a physical model simulation approach in the laboratory, using a dam break-based tsunami wave generation method by making a simulation of the flume used measuring 16.80 m x 1.0 m x 0.8 m equipped with a dam break gate. Making a model of a casuarina forest is done by observing and measuring tree dimensions, plant spacing and density. The research results show that there was a decrease in water velocity for the tsunami model d0 = 60 cm for the model without canopy 1 m is 21.09%, 2 m is 29.36%, and 3 m is 36.50%. The decrease surge velocity due to the model with canopy 1 m is 21.71 %, 2 m is 29.67 %, and for 3 m is 40.40 %. For the velocity function to be changed to f V (m, L, n, x). The tree canopy effect is quite effective for high tsunamis but for low tsunami it is not effective, because the tsunami surge will propagate through the tree trunks below canopy.
Co-Authors Benazir Ibrahim, Muhammad S. I. Kamaruddin, Abd. Mashuri Mukrim Novi Andhi Setyo Purwono Oki Setyandito, Oki Purnomo