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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
The Influence of Bledug Kuwu Tourism Objects on The Economy of The Surrounding Communities in Kuwu Village, Kradenan District, Grobogan Regency, Central Java Province Oktivia Puteri, Syafira Alifah; Fitra, Audina Anugra; Ma’rifah, Zetty Nur; Syah, Edo Novandrian; Tauziri, Muhammad Uzir; Rafsanjani, Moch. Ilham Deka; Cahyani, Haliza Regita
Social, Humanities, and Educational Studies (SHES): Conference Series Vol 5, No 4 (2022): Social, Humanities, and Educational Studies (SHEs): Conference Series
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (642.338 KB) | DOI: 10.20961/shes.v5i4.68972

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh sosial-ekonomi terhadap keberadaan objek wisata Bledug Kuwu di Desa Kuwu, Kecamatan Kradenan, Kabupaten Grobogan, Provinsi Jawa Tengah berdasarkan hasil observasi yang dilakukan dalam perspektif geografi fisik dan manusia. Metode penelitian yang digunakan adalah metode deskriptif kualitatif dengan teknik pengumpulan data berupa data primer dan data sekunder. Analisis dilakukan secara kontinyu untuk mengetahui pengaruh potensi wisata Bledug Kuwu terhadap perekonomian masyarakat di sekitar lokasi wisata. Hasil penelitian menunjukkan wisata Bledug Kuwu menyajikan letupan gelembung lumpur raksasa yang mengeluarkan percikan air dan garam. Objek wisata ini menghasilkan beberapa potensi yang sangat besar, seperti air garam yang diolah menjadi garam dapur dan semburan lumpur untuk dijadikan kosmetik atau bahan kecantikan untuk di jual dan dijadikan sumber pendapatan masyarakat di sekitar objek wisata.