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Journal : Serambi Engineering

Kondisi Ruang Terbuka Hijau di Kawasan Universitas Malahayati dalam Menyerap Emisi Karbon Dioksida dari Kendaraan Bermotor Pasca Pandemi Covid-19 Rani Ismiarti Ergantara; Nasoetion; Voni Egya Janika
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Malahayati University (UNMAL) is a place of higher education with an increasing number of students. This results in a high number of vehicles that have the potential to increase carbon dioxide (CO2) emissions.This research aims to determine the amount of carbon dioxide emissions produced by motorised vehicles and the absorption capacity of green open space (RTH) in the UNMAL area after the Covid-19 pandemic. The number of vehicles is calculated to determine the amount of emissions using the method of traffic counting at peak hours in the morning, afternoon and evening for 6 days and calculation of carbon dioxide emissions with Microsoft Excel and carried out based on the Minister of Environment Regulation No. 12 of 2010 and literature studies are used to calculate the absorption capacity of green open space filling trees. The results of this research show that the total emissions from motorised vehicles in the UNMAL area after the Covid-19 pandemic was 36,904.36 g CO2/hour and the absorption capacity of trees in the UNMAL area was 748,006.92 g CO2/hour. Based on the results, the green open space (RTH) in the UNMAL area is still able to absorb CO2. The strategy to further optimise the absorption capacity of motorised vehicles is to maintain plants (watering, pruning and fertilising) and to carry out replanting (replacement/addition) of trees in various areas such as roads, parks, car parks and helipads.
Hubungan Antara Kerapatan Mangrove Dengan Kualitas Air Sumur di Desa Gebang Teluk Pandan Kecamatan Pesawaran Provinsi Lampung Rani Ismiarti Ergantara; Panisean Nasoetion; Munira
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

One of the ecological roles of mangroves is to act as a barrier to seawater intrusion, which is crucial for maintaining the balance of coastal ecosystems. Gebang Village is a coastal area with mangrove forests along its coastline, but the density of these forests varies from location to location. This study aims to determine the relationship between mangrove forest density and the quality of well water in Gebang Village, the main source of clean water for the local community. Well water samples were taken at three locations selected using a purposive sampling technique based on mangrove density levels (low, medium and high) to ensure comprehensive representation. The results showed a significant relationship between mangrove density and salinity, turbidity and total dissolved solids (TDS) in the well water of Gebang Village residents, particularly in wells close to the coastline. The higher the mangrove density, the lower the salinity, turbidity and TDS parameter values in well water, indicating the effectiveness of mangroves in filtering and protecting groundwater sources from seawater contamination.