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All Journal Geosfera: Jurnal Penelitian Geografi
Juliansyah, Danu
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Earth & Planetary Sciences Education Environmental Science Social Sciences

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Analisis Pola Persebaran Perumahan Average Nearest Neighbor (ANN) Menggunakan Sistem Informasi Geografis (SIG) di Kecamatan Tawang Kota Tasikmalaya Juliansyah, Danu; Laila Ramadani, Dila; Ismazhenar, Ismazhenar; Fadjarajani, Siti Fadjarajani; Darmawan, Cahya
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.35595

Abstract

This study aims to evaluate the housing distribution patterns in Tawang District, Tasikmalaya City, which is a central urban area experiencing rapid residential infrastructure development. Limited land availability, increasing population, and urbanization pressures have led to increasingly complex pattern changes, necessitating mapping of housing distribution patterns to understand city growth trends. The technique applied is a quantitative approach using Average Nearest Neighbor (ANN) analysis on housing location data derived from satellite image interpretation. The analysis results reveal that the housing distribution exhibits a dispersed pattern, as evidenced by a nearest neighbor ratio of 1.41 and a Z-score of 2.82, indicating statistical significance. This dispersed pattern is influenced by factors such as accessibility, changes in land use, and spatial planning policies designating Tawang District as a strategic area with mixed-use functions. In addition, there are indications that space usage is not always appropriate, considering that some housing appears outside the official residential zones. These findings emphasize the importance of better monitoring of space usage so that housing development can align with existing spatial plans. Overall, this study provides insights into the spatial dynamics of housing growth, which play a crucial role in urban planning.
Bencana Kekeringan dalam Perspektif Mitigasi, Rehabilitasi, dan Rekonstruksi serta Dampaknya: Studi Komparatif antara Nusa Tenggara Barat dan Jerman Juliansyah, Danu; Ismazhenar, Ismazhenar; Amlelia, Qisti; Najiyah, Kayla; Ramdani, Restu Noor; Nadira, Nida; Adib, Muhammad; Febrianti, Ria; Marlyono, Setio Galih
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.35655

Abstract

Drought is a type of hydrometeorological disaster that is becoming increasingly frequent and severe due to global climate change. This phenomenon has a significant impact on food security, access to clean water, as well as social and economic stability, especially in highly vulnerable areas such as West Nusa Tenggara and temperate countries like Germany. This study aims to examine the characteristics of drought and its consequences in these two regions, review the effectiveness of mitigation and recovery measures that have been implemented, and assess the potential application of long-term risk management that can adapt to climate change. The method used is a systematic literature review by identifying, selecting, and synthesizing scientific articles and reports from relevant official institutions. From the analysis conducted, it was found that NTB faces chronic drought problems with limited water infrastructure and highly vulnerable social conditions, whereas Germany experiences severe drought due to prolonged rainfall shortages, impacting the agriculture, energy, and water resource sectors. Mitigation efforts in NTB still largely focus on emergency response and basic infrastructure development, while Germany implements a more comprehensive approach based on data and nature-based solutions. The opportunity to implement long-term risk management is considered highly dependent on the ability to integrate monitoring systems, strengthen local institutions, and adopt sustainable solutions. These findings emphasize the importance of an adaptive approach that balances structural interventions, preparedness, and inclusive water management.
Co-Authors Adib, Muhammad Amlelia, Qisti Darmawan, Cahya Fadjarajani, Siti Fadjarajani Ismazhenar, Ismazhenar Laila Ramadani, Dila Marlyono, Setio Galih Nadira, Nida Najiyah, Kayla Ramdani, Restu Noor Ria Febrianti