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Cellular Automata Markov Chain Application For Prediction Of Land Cover Changes In The Wae Batu Gantung Watershed, Ambon City, Indonesia: Aplikasi Cellular Automata Markov Chain Untuk Prediksi Perubahan Tutupan Lahan DAS Wae Batu Gantung Kota Ambon Indonesia Rakuasa, Heinrich; Philia Christi Latue
Journal of Multidisciplinary Science Vol. 2 No. 2 (2023): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Studi Islam Sunan Doe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58330/prevenire.v2i2.191

Abstract

The development of built-up land over the last 15 years in Ambon City has affected changes in land cover in the Wae Batugantung watershed. This is due to increasing population growth, and the increasing need for residential land. Changes in land cover in the Wae Batu Gantung watershed have an impact on land degradation, water pollution, flooding, and erosion, which will increase in the future. This study aims to analyze land cover changes in the Wae Batu Gantung watershed in 2012, 2017, 2022, and predict land cover in 2027, and 2031. The Cellular Automata Markov Chain method was used in this study to predict the spatial dynamics of land cover change. The results of the study show that from 2012, 2017, 2022, and predictions for 2027, and 2031 residential land, and open land in the Wae Batutangan watershed continue to expand, in contrast to non-agricultural land cover, and agricultural land which is decreasing. The results of this study are expected to be input into policy making related to spatial utilization in the Wae Batugantung Watershed in the future.
Analysis of Indonesia's Foreign Policy in the Face of Climate Change: A Review from an International Relations Perspective Rakuasa, Heinrich; Dzaka A Faris; Philia Christi Latue; Yamres Pakniany
Journal of International Multidisciplinary Research Vol. 2 No. 4 (2024): April 2024
Publisher : PT. Banjarese Pacific Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62504/bx9g2j06

Abstract

This research analyzes Indonesia's role in addressing the challenges of climate change from a foreign policy perspective, highlighting the factors that influence policy formation, the diplomacy strategies implemented, as well as their impact at the global level. With a comprehensive review, this research aims to provide insights into how Indonesia interacts with the international community in an effort to address the global environmental crisis. Through an exploration of the internal and external factors that influence foreign policy on climate change, the article identifies the challenges faced as well as the opportunities that exist for Indonesia to play a more active role in shaping the global environmental agenda. By highlighting Indonesia's contributions to climate change mitigation and adaptation as well as its environmental diplomacy efforts, this article provides a better understanding of the complex dynamics between Indonesia's foreign policy and climate change issues in the context of international relations.
Ability of CA-Markov Model to Predict the Expansion of Growth Rate of Ambon City, Indonesia and Gaza Strip, Palestine Rakuasa, Heinrich; Stewart Pertuack; Philia Christi Latue
Journal of International Multidisciplinary Research Vol. 2 No. 9 (2024): September 2024
Publisher : PT. Banjarese Pacific Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62504/0qexab84

Abstract

This study aims to explore the ability of Cellular Automata-Markov (CA-Markov) model in predicting the expansion of urban growth rate in Ambon, Indonesia, and Gaza Strip, Palestine. Using a literature study approach, this research collected and analyzed secondary data on land use change, population growth, and factors affecting urbanization in both regions. The results of the analysis show that the CA-Markov model has high accuracy in predicting land use change, and is able to describe the spatial dynamics of built-up land growth. This research emphasizes the importance of integrating environmental aspects in land use planning to achieve sustainable development. The findings are expected to provide useful recommendations for policy makers in managing urban growth, as well as enrich the literature on the application of the CA-Markov model in different contexts.
Spatial Evaluation of Ambon City Spatial Plan from Flood Vulnerability Aspect Rakuasa, Heinrich; Philia Christi Latue
Jurnal Perencanaan Wilayah dan Kota Vol. 20 No. 2 (2025)
Publisher : Program Studi Perencanaan Wilayah dan Kota, UPT Publikasi Publikasi Ilmiah UNISBA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jpwk.v20i2.2014

Abstract

Flooding is among the most common hydrometeorological disasters in Indonesia, including in Ambon City. This research aims to evaluate Ambon City’s 2011–2031 Spatial Plan with a focus on flood vulnerability. Using the Multi-Criteria Analysis (MCA) method, six parameters influencing flooding were analyzed: landform, elevation, land use, river buffer, soil type, and rainfall. The results indicate that the flood hazard classes in Ambon City are predominantly low (22,461.27 ha), followed by medium (9,872.83 ha) and high (1,833.07 ha) hazard areas. Notably, 50.08% (2,222.06 ha) of settlements are predicted to be affected by high flood hazard, 49.91% (2,214.67 ha) by medium hazard, and 0.01% (0.39 ha) by low hazard. Among spatial patterns, medium-density residential areas represent the largest portion of flood-affected zones, covering 532.78 ha in the high hazard class and 1,899.45 ha in the medium hazard class. In the low hazard class, buffer zones (5,127.05 ha) and agricultural areas (4,074.65 ha) are most affected. Based on these findings, recommendations include strengthening drainage infrastructure, enforcing strict zoning for new developments, and enhancing community participation in spatial planning, with the goal of increasing regional resilience to flood disasters and promoting environmental sustainability