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All Journal Specta Journal of Technology SINAR: Sinergi Pengabdian dan Inovasi untuk Masyarakat
Ibnu Hasyim
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Environmental Science Public Health Other

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Kajian hidrologi dan hidrogeologi daerah penambangan, studi kasus lipatan sinklin di Sungai Mahakam, Kutai Kartanegara , Provinsi Kalimantan Timur Shalaho Dina Devy; Ibnu Hasyim
SPECTA Journal of Technology Vol. 6 No. 3 (2022): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1251.125 KB) | DOI: 10.35718/specta.v6i3.685

Abstract

Changes in land use due to open pit mining operations, indirectly affect the hydrological cycle. Open pit mining operations, especially the open pit method, greatly affect subsurface conditions, such as lithology and hydrogeology. The purpose of this study was to analyze the hydrological and hydrogeological conditions before mining on syncline folds in the Mahakam river. This research is an inductive research with an analytical approach which includes the study of land use, hydrological conditions, geology, and hydrogeology. The land use of the research area is dominated by plantations (84%) with a rain catchment area of ​​995.9 hectares. The results of the hydrological analysis yielded daily rainfall values ​​with a 5-year recurrence of 208.4 mm, annual rainfall of 2.177.32 mm, runoff 238.63 mm/yr, evapotranspiration 1,031.16 mm/yr and groundwater recharge 907.53 mm/th. The lithology of the study area is dominated by sandstone and clayey siltstone. The results of the aquifer test (pumping test) showed that the average K value (hydraulic conductivity) of sandstone was 1.33 × 10-2 m/s and claystone was 6.77 × 10-10 m/s. The results of the hydrogeological analysis show that the top layer is an aquitard, below it is an aquifer, then an aquitard, and the bottom is an aquiclude. The type of aquifer in the study area is classified as semi confined aquifer
PENDAMPINGAN KALIBRASI ARAH KBILAT MUSOLLA PADA MADRASAH IBTIDAIYAH SWASTA FIRDAN NADLIRA SUMURDALAM BESUK PROBOLINGGO Bashori Alwi; Muhammad Fahmi Zamzamy; Ibnu Hasyim
SINAR: Sinergi Pengabdian dan Inovasi untuk Masyarakat Vol 1 No 01 (2024): Oktober
Publisher : CV. Laskar Karya

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Abstract

Pengabdian kepada masyarakat ini dilaksanakan di Madrasah Ibtidaiyah Swasta (MIS) Firdan Nadlira, Sumurdalam, Besuk, Probolinggo, dengan fokus pada pendampingan kalibrasi arah kiblat musolla. Program ini bertujuan untuk memastikan bahwa arah kiblat musolla sesuai dengan arah Ka'bah di Mekkah serta meningkatkan kapasitas pihak madrasah dalam melakukan kalibrasi secara mandiri. Melalui identifikasi masalah, pengukuran menggunakan GPS dan aplikasi satelit, serta pelatihan bagi guru dan pengurus musolla, program ini berhasil memperbaiki arah kiblat dan meningkatkan pemahaman tentang pentingnya akurasi dalam ibadah shalat. Monitoring pasca-pelaksanaan menunjukkan bahwa hasil kalibrasi diterapkan dengan baik dan keterampilan yang diajarkan mampu dikuasai oleh peserta. Namun, tantangan terkait ketergantungan pada teknologi modern dan keberlanjutan program memerlukan solusi lebih lanjut, seperti penyediaan alternatif alat kalibrasi dan pelatihan berkelanjutan. Pengabdian ini memberikan dampak positif yang signifikan dan dapat dijadikan model untuk program serupa di lingkungan madrasah lainnya.
Co-Authors Bashori Alwi Devy, Shalaho Dina Muhammad Fahmi Zamzamy