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Geostatistical Mapping of Groundwater Salinity and Seawater Intrusion in Coastal Aquifers of Jember Regency Using Physicochemical Parameters and Seawater Fraction Mujib, Muhammad Asyroful; Astutik, Sri; Apriyanto, Bejo; Muhammad, Ikhlas Nur; Fitra, Audina Anugra
Geomedia Majalah Ilmiah dan Informasi Kegeografian Vol. 22 No. 2 (2024): Geo Media: Majalah Ilmiah dan Informasi Kegeografian
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/gm.v22i2.77550

Abstract

Seawater intrusion significantly impacts groundwater quality in coastal areas, presenting a critical challenge for sustainable water resource management. This study aimed to map groundwater salinity in the southern coastal region of Jember Regency by employing simple physicochemical parameters, including Electrical Conductivity (EC), Total Dissolved Solids (TDS), and seawater fraction (fsea), which was determined using chloride (Cl-) concentrations. Fieldwork was conducted at 211 well sites across ten villages, and the sea-freshwater interface was analyzed using the Ghyben-Herzberg principle. Geostatistical analysis using Ordinary Kriging was applied to spatially map the salinity parameters. Results indicated that 83% of groundwater samples were classified as fresh, 16% as slightly saline, and 1% as moderately saline. Areas near Payangan and Watu Ulo Beaches exhibited higher seawater fractions, with fsea values up to 23%, indicating significant seawater mixing. These findings underscore the need for targeted groundwater management strategies to mitigate seawater intrusion in this region
PERAN DIREKTORAT JENDERAL IMIGRASI DALAM MEMERANGI PENYELUNDUPAN NARKOBA: MENGATASI KRISIS SOSIAL YANG MEMBAHAYAKAN KETAHANAN NASIONAL Sahara, Gita Novia; Muhammad, Ikhlas Nur; Nugraheni, Dwi; Samosir, Angela Glorya Marito; Rahmadhani, Tasya
Jurnal Ilmiah Kajian Keimigrasian Vol 8 No 1 (2025): Jurnal Ilmiah Kajian Keimigrasian
Publisher : Polteknik Imigrasi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penyelundupan narkoba merupakan ancaman global nyata dengan dampak negatif yang luas. Dampaknya tidak hanya memengaruhi kesehatan fisik dan mental individu, tetapi juga ketahanan dan keamanan nasional. Indonesia dapat dikategorikan sebagai negara transit dan tujuan dalam jaringan perdagangan narkoba internasional, menjadikan pentingnya peran imigrasi dalam mencegah pelaku tindak pidana narkoba melintasi perbatasan secara ilegal. Artikel ini membahas tentang penyelundupan narkoba sebagai bencana sosial berdasarkan perspektif pengurangan risiko bencana (Disaster Risk Reduction) dan bagaimana Direktorat Jenderal Imigrasi (Ditjenim) dapat berperan secara aktif dalam mitigasi ancaman ini. Penelitian menggunakan pendekatan deskriptif kualitatif dengan literatur review, menganalisis bagaimana kaitan dan relevansi kebijakan keimigrasian terhadap ketahanan nasional. Sinergitas dan kolaborasi antar lembaga yang berwenang, seperti Ditjenim, POLRI, dan BNN, sangat penting untuk menciptakan sistem pencegahan yang berdaya guna dan berhasil guna, terutama di wilayah-wilayah perbatasan strategis.
Linking Land Cover to Flood Vulnerability: A Study on Vegetation Indices and Urban Build-Up in Hazard Mapping Muhammad, Ikhlas Nur; Sarpono, Sarpono; Wibowo, Agus; Setiawibawa, Rachmat; Kurniadi, Anwar
Journal of Geographical Sciences and Education Vol 3 No 2 (2025): Journal of Geographical Sciences and Education
Publisher : PT. Pubsains Nur Cendekia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69606/geography.v3i2.224

Abstract

Flooding is the most dominant disaster in Indonesia, with a major case in Greater Jakarta in March 2025, which is the issue of deforestation is highlighted as the main cause of this phenomenon. This study examines the relationship between vegetation canopy and built-up land on flood vulnerability. The analysis was conducted by correlating vegetation and built-up land indices against flood vulnerability maps from the National Disaster Management Agency using the Weighted Overlay method. Results show vegetation has a moderate correlation to flood vulnerability, while built-up land shows a lower correlation. The findings indicate that both contribute to flood risk, but are not a single factor. The study recommends further research with a spatio-temporal approach in smaller areas to be more specific.
How sleep quality is associated with blood glucose levels in elderly diabetics melitus: A critical study at Cukir Community Health Center Santoso, Syaputra Dwi; Firdaussy, Alifa Putri Syaharany Amalliya; Muhammad, Ikhlas Nur
Indonesian Red Crescent Humanitarian Journal Vol. 4 No. 1 (2025): Indonesian Red Crescent Humanitarian Journal
Publisher : Bulan Sabit Merah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56744/irchum.v4i1.78

Abstract

This research aims to analyze the relationship between sleep quality and blood glucose levels in elderly patients with diabetes mellitus at Puskesmas Cukir, Jombang. Diabetes mellitus (DM) is a common chronic disease among the elderly, and poor sleep quality has been identified as a factor that may worsen diabetes management. This study is important as it addresses the gap in understanding how sleep quality directly impacts diabetes control, particularly in elderly individuals, where both sleep disturbances and diabetes are prevalent. Previous research has typically studied sleep quality or diabetes management separately, with few examining their interrelationship in elderly diabetic patients. The study used a quantitative approach with a cross-sectional design, involving 80 diabetic patients aged 50-60 years. Data was collected using the Pittsburgh Sleep Quality Index (PSQI) to assess sleep quality, while blood glucose levels were measured concurrently. The results revealed that 68% of respondents had poor sleep quality, and 49% had uncontrolled blood glucose levels. Statistical analysis using Spearman’s correlation test showed a significant relationship between sleep quality and blood glucose levels (r = 0.823, p = 0.016), indicating that poor sleep quality is linked to higher blood glucose levels. This study concludes that poor sleep quality negatively affects blood glucose control in elderly patients with diabetes. The findings suggest that improving sleep quality could be an essential intervention for better glucose control and preventing diabetes-related complications. Healthcare professionals should consider sleep quality in diabetes management and provide interventions to improve sleep hygiene in elderly diabetic patients.
SPATIAL ANALYSIS OF URBAN FLOOD VULNERABILITY USING WEIGHTED OVERLAY TECHNIQUE FOR IDENTIFICATION OF HAZARD ZONES IN GREATER JAKARTA Muhammad, Ikhlas Nur; Sarpono, Sarpono; Wibowo, Agus; Setiawibawa, Rachmat; Kurniadi, Anwar
JURNAL GEOGRAFI Geografi dan Pengajarannya Vol 23 No 1 (2025): JURNAL GEOGRAFI Geografi dan Pengajarannya
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jggp.v23n1.p223-238

Abstract

This study assessed flood hazards in the Greater Jakarta area, Indonesia, using geospatial analysis and the weighted overlay method in a Geographic Information System (GIS). There are variables used, which are vegetation index, wetness index, Topographic Position Index (TPI), distance to water bodies, and altitude. The classification results showed five levels of hazards: very low (0.48%), low (1.60%), medium (28.70%), high (48.96%) and very high (20.26%). A total of 69.22% of the study area of 6,724.18 km² was classified as high to very high. The findings emphasise the need for risk-based zoning and mitigation strategies, such as improved drainage and land use regulation. This research highlights the role of geospatial technology in supporting climate adaptation planning, in line with Sustainable Development Goal (SDG) 13, to increase the resilience of coastal-urban areas to increased flood threats due to climate change. Keywords: Flood Hazard Mapping, Geospatial Analysis, Climate Resilience