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All Journal Media Statistika Journal of Socioeconomics and Development Jurnal Riset Hesti Medan Akper Kesdam I/BB Medan MAKILA: Jurnal Penelitian Kehutanan International Journal of Disaster Management Infolitika Journal of Data Science
Oktari, Rina Suryani
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Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Health Professions Medicine & Pharmacology Nursing Public Health Social Sciences

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MODELING OF SEA SURFACE TEMPERATURE BASED ON PARTIAL LEAST SQUARE - STRUCTURAL EQUATION Miftahuddin, Miftahuddin; Putri, Retno Wahyuni; Setiawan, Ichsan; Oktari, Rina Suryani
MEDIA STATISTIKA Vol 14, No 2 (2021): Media Statistika
Publisher : Department of Statistics, Faculty of Science and Mathematics, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/medstat.14.2.170-182

Abstract

Variability of Sea Surface Temperature (SST) is one of the climatic features that influence global and regional climate dynamics. Missing data (gaps) in the SST dataset are worth investigating since they may statistically alter the value of the SST change. The partial least square-structural equation modeling (PLS-SEM) approach is used in this work to estimate the causality relationships between exogenous and endogenous latent variables. The findings of this study, which are significant indicators that have a loading factor value > 0.7 are as follows: i) sea surface temperature (oC) as a measure of the latent variable changes in SST, ii) wind speed (m/s) and relative humidity (%) as a measure of the latent variable of weather, and iii) air temperature (oC), long-wave solar radiation (w/m2) as a measure of climate latent variables. The size of the Rsquare value is influenced by the number of gaps. The results of the boostrapping show that the latent variables of weather and climate have a significant effect on changes in SST which are indicated by the value of tstatistics > ttabel. The structural model obtained Changes in SST (η) = -0.330 weather + 0.793 climate + ζ. The model shows that the weather has a negative coefficient, which means that the better the weather conditions, the lower the SST changes. Climate has a positive coefficient, which means that the better the climate, the SST changes will also increase. Rising sea surface temperatures caused by an increase in climate can lead to global warming, impacting El-Nino and La-Nina events.
Socioeconomic impacts of flooding in South-Eastern Nigeria: Causes, coping strategies, and flood control measures Obiwulu, Ifenna; Syahreza, Saumi; Oktari, Rina Suryani
JOURNAL OF SOCIOECONOMICS AND DEVELOPMENT Vol 6, No 1 (2023): April
Publisher : Publisher of Widyagama University of Malang (UWG Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsed.v6i1.4583

Abstract

The occurrence of floods in Nigeria, particularly in the South-Eastern zones, has resulted in significant socioeconomic losses and continues to be a recurring hazard. This study aims to investigate the socioeconomic impacts of flooding in the region, identify causes and coping strategies, suggest measures for flood control, and evaluate the role of the government in flood management. The study collected data through a questionnaire distributed to 200 respondents and analyzed it using simple percentages, frequency distribution tables, and bar charts. The findings reveal that the incidence of flooding has a significant impact on the socioeconomic activity of the affected communities. To address this issue, proactive and reliable measures are necessary, such as reviewing urban plans and policies, establishing state response desks and relief centers in flood-prone areas, etc. These steps can provide long-term results and promote socio-economic growth in the region. Overall, the study highlights the need for effective flood management strategies to minimize the negative effects on communities and foster sustainable development in Nigeria. JEL Classification J10; J18; J19
Pengetahuan dan Sikap Remaja tentang Mitigasi Bencana Hidrometeorologi melalui Program SABAR di Sungai Iyu Kecamatan Bendahara Aceh Tamiang Sitohang, Nur Asnah; Asiah, Nur; Oktari, Rina Suryani
Jurnal Riset Hesti Medan Vol 8, No 2 (2023): Edisi Desember
Publisher : Akademi Keperawatan Kesdam I/Bukit Barisan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34008/jurhesti.v8i2.316

Abstract

Indonesia is a country with the second largest level of disaster vulnerability in the world after Bangladesh. Almost every year disasters occur in Indonesia. Indonesia, as a disaster-prone country, must have volunteers who are able to provide services to reduce disaster risks. These volunteers have a big role in reducing the risk of disasters. Nurses in providing disaster nursing services can go through programs to increase community resilience. The natural flood disaster that Aceh Tamiang residents just experienced occurred in November 2022. Sungai Iyu Village is one of the areas affected by flooding. The location of SMP Negeri 1 was flooded to a height of 1.5 meters. So the learning process had to be stopped. People took refuge on the side of the road which was safe from flooding. There is no permanent community gathering point yet. The aim of the research is to identify the knowledge and attitudes of SMPN 1 Bendahara students regarding disaster mitigation before and after the SABAR Program training. The aim of the research is to identify the knowledge and attitudes of SMPN 1 Bendahara students regarding disaster mitigation before and after the SABAR Program training. The research design that has been used is descriptive. The sampling technique is purposive sampling. The data analysis that has been used is univariate. The majority of research results regarding adolescent knowledge before the SABAR program training was sufficient (51.4%) and good (24.3%), after training it was sufficient (27%) and good. The majority of teenagers' attitudes before the training agreed (54.1%) and strongly agreed (24.3%) and after the training agreed (51.4%) and strongly agreed (45.9%). Research proves that the SABAR training program can increase teenagers' knowledge and attitudes towards hydrometeorological disaster mitigation.
Developing a Regional Framework for Disaster Risk Reduction Based on Disaster-Related Data from Aceh, Indonesia Yolanda, Yolanda; Oktari, Rina Suryani; Munawar, Munawar; Lola, Muhamad Safiih; Sofyan, Hizir
Infolitika Journal of Data Science Vol. 3 No. 1 (2025): May 2025
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ijds.v3i1.269

Abstract

Aceh Province is highly vulnerable to various hazards, necessitating effective disaster risk reduction strategies. This study aims to develop an instrument to evaluate disaster risk reduction efforts in Aceh Province and to assess progress toward global disaster resilience targets. The data includes secondary disaster-related records from 2005 to 2024 and primary data from the instrument validation process, demonstrating excellent validity results based on the Content Validity Ratio (CVR) and Content Validity Index (CVI). The findings highlight significant improvements in key areas, including reductions in disaster mortality, affected populations, economic losses, damage to critical infrastructure, and strengthened early warning systems. However, challenges persist in implementing local disaster risk reduction strategies and enhancing international cooperation. This study offers practical insights for policymakers and contributes to strengthening disaster resilience and advancing disaster risk management research in sub-national contexts.
Pemetaan Kerentanan Banjir Berbasis Karakteristik Sosio-Hidrologi di DAS Wae Batu Merah, Kota Ambon Kelihu, Syamsul Fallah; Latuamury, Bokiraiya; Oktari, Rina Suryani
MAKILA Vol 19 No 2 (2025): Makila : Jurnal Penelitian Kehutanan
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/makila.v19i2.20508

Abstract

This study evaluates the flood vulnerability conditions of the Wae Batu Merah Watershed (Ambon City) through a socio-hydrology approach that integrates upland ecological dynamics with downstream exposure, sensitivity, and adaptive capacity. A mixed-methods design combined geospatial analysis and household surveys. Landsat-8 imagery (2013–2023) quantified land-cover change and NDVI trends, while BMKG rainfall records (2012–2023) and BPBD flood archives (2013–2022) captured hydrometeorological variability. Peak discharge measurements (2013–2023) characterized flow response. Social data from 178 households included settlement density, poverty, vulnerable age groups, disability, and institutional participation. All indicators were normalized and integrated using Multi-Criteria Evaluation (MCE) in GIS; vulnerability classes were validated through observed flood-point overlays, distinguishing areal distribution from point aggregation. Results show a ~42% loss of upstream vegetation concurrent with a decline in NDVI from 0.46 (2013) to 0.28 (2023), alongside a ~17% increase in peak discharge, evidenced by a strong negative NDVI–runoff correlation. High-to-very-high vulnerability zones cluster along riparian corridors (Batu Merah–Rijali), whereas >90% of the area falls into medium-to-low classes with fewer flood points. Social vulnerability co-occurs with high density, poverty, limited risk awareness, and weak institutional engagement. The socio-hydrology–MCE framework offers a replicable basis for adaptive risk governance, prioritizing riparian setbacks, vegetation rehabilitation, density management, and capacity-building under increasing climatic pressure.
Integrating Disaster Education into School Curriculum in Indonesia: A Scoping Review Desilia, Nurul Rahmah; Lassa, Jonatan; Oktari, Rina Suryani
International Journal of Disaster Management Vol 6, No 2 (2023)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v6i2.34867

Abstract

Despite being one of the most disaster prone countries in the world, disaster education is not mandatory in Indonesia. Existing research suggest that predictors of schools adoption of disaster education into their curriculum have been subject to school leadership, discretion of teachers, incentives and nudges, among others. This systematic literature review aims to understand how schools integrate disaster education into the the curriculum in Indonesia. Key research questions include: i) How has disaster education is integrated into the school curriculum in Indonesia?; ii) What content informs the curriculum in the case where disaster education integration exist in by the early adopters?; iii) What model or approach is used to integrate disaster education into the school curriculum?; iv) How effective such a disaster education in increasing students' knowledge, attitudes, and behavior? and v) What are the challenges in integrating disaster education into the school curriculum? The study also identified gaps in disaster education within the Indonesian curriculum to set an agenda for future research. Relevant literature in both English and Bahasa Indonesia from online sources, specifically Google Scholar and Science Direct databases, have been included for further analysis to explore the latest conditions and complexities in integrating disaster education into the curriculum in Indonesia. Search terms included 'disaster education', 'disaster preparedness schools', 'safe schools, curriculum', 'DRR education' 'comprehensive school safety', SPAB and other relevant keywords. The findings contribute to bridging the gap between research outcomes and practical implementation, providing recommendations for future integration practices. This research is expected to strengthen disaster education in Indonesia, enhance preparedness, and contribute to the broader field of disaster risk reduction.
Earthquake and Tsunami Emergency Preparedness of Visually Disabled People Fatin, Mutia; Sofia, Sofia; Oktari, Rina Suryani
International Journal of Disaster Management Vol 3, No 1 (2020)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v3i1.15787

Abstract

This study aims to assess the level of preparedness of visually disabled people in terms of the emergency response plan for earthquake and tsunami. This study uses analytical methods, cross-sectional design, and questionnaires as data collection tools. The sample of this study was 54 visually disabled people who were living in Banda Aceh. The analysis revealed that the level of preparedness of the emergency response plan, the majority of visually disabled people has a low level of preparedness to plan an emergency response (63%), especially the total blindness group (46.3%). The Mann-Whitney test results showed that there was a statistically significant relationship between the visual impairment group and total blindness group on the preparedness of the emergency response plan (p = 0.016). Hence, this study suggests some recommendations, including a disaster preparedness program that is sensitive to people with disabilities, increasing the participation of people with disabilities in DRR education, and increasing the accessibility of people with disabilities to DRR teaching/learning materials.
Co-Authors Bokiraiya Latuamury Desilia, Nurul Rahmah Fatin, Mutia Hizir Sofyan Ichsan Setiawan Jonatan Lassa, Jonatan Kelihu, Syamsul Fallah Miftahuddin Miftahuddin Muhamad Safiih Lola Munawar Munawar Nur Asnah Sitohang, Nur Asnah Nurwijayanti Obiwulu, Ifenna Putri, Retno Wahyuni Saumi Syahreza Sofia Sofia, Sofia Yolanda Yolanda, Yolanda