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All Journal Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti JUARA: JURNAL WAHANA ABDIMAS SEJAHTERA Serambi Engineering
Magfhira, Azzahra
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FITOREMEDIASI DENGAN SISTIM LAHAN BASAH BUATAN MENGGUNAKAN TANAMAN PAKIS AIR (Azolla pinnata) UNTUK MENGOLAH AIR LIMBAH DOMESTIK Fachrul, Melati Ferianita; Magfhira, Azzahra; Kinasih, Prasasti; Salsabila, Difa; Marchella, Eunike
JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Volume 7, Nomor 1, Januari 2022
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/pdk.v7i1.10770

Abstract

Air limbah rumah tangga sering kali menimbulkan permasalahan ketidakseimbangan ekosistem apabila tidak dikelola dengan baik. Tujuan penelitian ini adalah untuk mengetahui efisiensi penyisihan konsentrasi air limbah domestik grey water terhadap parameter BOD (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand), dan Amoniak. Penelitian ini dilakukan pada bulan 1 Juni – 13 Agustus 2021 di Laboratorium Lingkungan Universitas Trisakti, dengan menggunakan 1 (satu) unit reaktor Lahan Basah Buatan terbuat dari kaca berukuran ukuran: panjang x lebar x tinggi = 90 cm x 30 cm x 50 cm menggunakan tanaman Pakis Air (Azolla pinnata) sebagai fitoremedian dengan waktu tinggal 2, 4, 6, 8 dan 10 hari. Hasil analisis yang diperoleh diketahui efisiensi penyisihan setiap parameter (BOD, COD, dan Amoniak) menggunakan lahan basah buatan dengan tanaman Pakis Air (Azolla pinnata) adalah 32,83% untuk BOD, 29,72% untuk COD, dan 18,01% untuk Amoniak. Hasil penelitian ini diketahui bahwa tanaman Pakis Air mampu mereduksi pencemar pada air limbah domestic khususnya terhadap jenis grey water. Hasil penelitian ini memberikan kontribusi teknologi tepat guna dalam bidang bioteknologi lingkungan yaitu pengolahan air limbah dengan sistem yang mempunyai teknologi sederhana, biaya murah, hemat energi dan ramah lingkungan yang mampu menciptakan tingkat higienis dan kenyaman masyarakat serta menjaga keberlangsungan lingkungan dimasa depan
Pemetaan Transparansi Air di Waduk Saguling dengan Menggunakan ANN dan Landsat 8 Magfhira, Azzahra; Soewondo, Prayatni; Wijayasari, Winda; Rohmat, Faizal
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The decline in water transparency in the Saguling Reservoir indicates deteriorating water quality due to increasing pollutant loads from domestic, industrial, agricultural, and aquaculture activities. This study aims to predict water transparency using an ANN model, integrating remote sensing data from Landsat 8 (2013-2024) and in-situ measurements from 12 sampling points. The analysis began with correlation tests, which revealed weak to moderate relationships between transparency and other variables. Subsequent simple and multiple linear and logistic regression analyses produced weak correlations, with the highest R² of 0.1853 observed in multiple logistic regression. The Random Forest algorithm was applied to identify the most influential variables. The selected predictors included Bands 3, 4, 5, and 7, as well as temperature, EC, and TSS. These variables were used as inputs for the ANN model, which demonstrated high performance with an R² of 0.8514, explaining 85.14% of the variability in water transparency. The prediction results were visualized in a distribution map, indicating a predominance of transparency class IV (0-2.5 m) across the reservoir. This suggests limited light penetration due to high pollutant loads. The study shows that integrating remote sensing and ML enables effective large-scale water quality monitoring and supports sustainable water resource management.
PENYULUHAN MENGENAI KONSERVASI EKOSISTIM PERAIRAN DAN PENATAAN LANSKAP BANTARAN SITU PANGARENGAN KOTA DEPOK Fachrul, Melati Ferianita; Hendrawan, Diana; Rinanti, Astri; Besila, Qurrotu ‘Aini; Magfhira, Azzahra
JUARA: Jurnal Wahana Abdimas Sejahtera Volume 4, Nomor 1, Januari 2023
Publisher : Jurusan Teknik Lingkungan Fakultas Arsitektur Lanskap dan Teknologi Lingkungan, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/juara.v4i1.14719

Abstract

Damage to the ecosystem there will cause problems for the city. The factors causing the damage to the lake in Depok City are changes in land use in the catchment area, sedimentation, pollution and eutrophication resulting in reduced aesthetic value. Basically, this lake ecosystem can be turned into a tourist destination. Situ Pangarengan, which is located in Cisalak Village, Sukma Jaya District, Depok City, initially has an area of about 10.00 Ha, but now it is 8.00 Ha and shrinks in the dry season to 6.70 Ha. Therefore, saving this ecosystem needs to be done by conducting outreach to the people who live around it. The purpose of this activity is to provide counseling on management by implementing conservation and structuring the landscape along Situ Pangarengan. The activity was carried out on August 18, 2022, attended by 40 people. The PKM method is carried out with counseling in the form of lectures, discussions. The training atmosphere is designed to be interactive so that participants can more easily understand with case examples in the field. The results of this PkM activity participants gain knowledge about the benefits of managing and conserving the Situ Pangarengan ecosystem properly; participants get information about the landscape design for the lake bank; participants get a forum to exchange opinions and provide input regarding the management of the Situ Pangarengan ecosystem and the necessary communication occurs between extension workers and participants for the preparation of further action plans
Co-Authors Besila, Qurrotu ‘Aini Diana Hendrawan Kinasih, Prasasti Marchella, Eunike Melati Ferianita Fachrul Prayatni Soewondo Rohmat, Faizal Salsabila, Difa Wijayasari, Winda