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DADE JUBAEDAH
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Program Pascasarjana Universitas Sriwijaya Jl. Padang Selasa No. 524 Bukit Besar Palembang Indonesia
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SRIWIJAYA JOURNAL OF ENVIRONMENT
Published by Universitas Sriwijaya
ISSN : 25274961     EISSN : 25273809     DOI : 10.22135/sje.xx
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Energy Environmental Science Public Health
Sriwijaya Journal of Environment (SJE) publishes original research or theoretical papers, notes, and mini reviews on new knowledge and research or research applications on current issues in environmental sciences and related such as: Environmental Science, Environmental Technology, Environmental Health Environmental ethics Lowland Management Environmental policy Environmental economy
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 8 Documents
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Search results for , issue "Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY" : 8 Documents clear
AERMOD Modeling Analysis of CO And Nox Parameters From Diesel Generator Emission Sources in the Coal Mining Industry Pandu Sapta Nugraha; Arum Setiawan; Indra Yustian
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.92-97

Abstract

Regulation of the Minister of Environment and Forestry of the Republic of Indonesia No. 4 of 2021: All types of businesses and activities must manage environmental impacts. Emissions resulting from the use of heavy equipment in the operational activities of the coal mining industry, such as scrapers, dump trucks, loaders, excavators and bulldozers. In addition to heavy equipment, exhaust emissions are generated from the use of generators that operate longer than 1,000 hours per year. The resulting emissions will have a long-term impact on air quality around business activities [1]. In an effort to tackle the spread of air pollution, modeling is carried out which aims to analyze emission air dispersion patterns by measuring exhaust emissions with Nitrogen Dioxide (NOx) and Carbon Monoxide (CO) test parameters in industrial activity areas with AERMOD applications and can predict emission air dispersion patterns dispersed into the air based on the distance and concentration of particles. One of the models used is the Gaussian Plume Model. Modeling is done by processing data from the meteorological section with AERMOD software, which will then provide a distribution pattern with a distribution pattern that is close to the true value [2]. Modeling is carried out with a radius of 5,000 meters and data from emission measurements from the power generation unit. Based on the modeling results, the CO parameter emission dispersion obtained the highest value in February with a value of 30.4 µq/m3 and the lowest value in March with a value of 3.43 µq/m3. As for the NOx parameter, the highest dispersion value was in June at 6.21 µq/m3, and the lowest value was in January at 3.51 µq/m3. This research was conducted in March 2023. It is located on the project site of the Coal Mining Industry area with a mining business permit (IUP) area of 2936.14 ha in Mekar Jadi Village, Sungai Lilin District, Musi Banyuasin Regency, South Sumatra Province.
Spatiotemporal Dynamic of Ostreococcus lucimarinus in IMTA System at Enclosed Sea (Hangzhou Bay) East China Sea Using Environmental DNA (eDNA) Dyah Muji Rahayu; Peimin He; Kejun Li; Jinlin Liu; Sarwo Edy Wibowo; Ester Restiana Endang Gelis; Bs Monica Arfiana
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.64-69

Abstract

Integrated Multi-Trophic Aquaculture (IMTA) is growing fast in China, in order for cultivation with this system to continue. Through eDNA approach in able to detect Ostreococcus lucimarinus which include picoeukaryotic in IMTA system at enclosed sea (Hangzhou Bay). Information about this species and their ecological placement in the IMTA system is still very limited. eDNA is an ecological approach that can detect supply down to the species level in monitoring aquatic ecology in the IMTA system. The purpose of this study was to determine the taxonomy and guarantees of Ostreococcus lucimarinus and the role of this species in the IMTA system descriptively. Through high throughput sequencing, the taxonomic results of Ostreococcus lucimarinus and confinement of this picoekaryotic species were highest in winter with a total of 599,632 ind. Based on the sampling location, the highest abundance were in aquaculture areas of 337,165 ind. The approach using eDNA has proven to be capable of detecting up to the species level as well as spatiotemporal abundance dynamics of Ostreococcus lucimarinus.
Optimizing the Utilization of Swamp Lands for Urban Settlements in Kertapati District, Palembang Maulana Yusuf; Nurhayati Damiri; Ardiyan Saptawan; Syafrul Yunardy; Nur Aslamiah Supli
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.98-103

Abstract

The water crisis caused by floods and droughts has become an urgent problem in many regions worldwide. To address these challenges, the provision of empty spaces for rainwater harvesting has been a focus of attention as a potential solution to reduce the adverse impacts of these extreme phenomena. The objective of this study is to explore and propose effective strategies for optimizing the utilization of swamp lands for urban settlements in the Kertapati District of Palembang. The research methodology involves quantitative and qualitative analyses of hydrological data and land use on a property in Bukit Lama IB I, Palembang, South Sumatra, who has implemented the rainwater harvesting system. The hydrological data includes rainfall, roof catchment area, yard area, and rainwater accumulation rates. The results of the study show that the provision of empty spaces for rainwater harvesting can significantly reduce the risks of floods and droughts. When heavy rainfall occurs, this system can retain excess rainwater, thereby reducing surface runoff volume and slowing the flow towards rivers. Additionally, the harvested water can serve as a reserve to cope with drought during the dry season. The research also identifies several critical factors influencing the effectiveness of the rainwater harvesting system, including infrastructure design and surrounding land use. In this context, collaboration between the government, communities, and the private sector becomes crucial in implementing this system widely and sustainably. In conclusion, the provision of empty spaces for rainwater harvesting has proven to be an effective approach in reducing the risks of floods and droughts. Facing increasingly complex climate change, it is essential for communities, governments, and other stakeholders to adopt and implement this system as part of a comprehensive strategy to manage water resources sustainably and protect the environment.
A Study of Above-Surface Carbon Storage in the Post-Coal Mining AREA of PT Bukit Asam Misriani Holifah; Lulu Yuningsih; Delfi Lensari; Jun Harbi
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.70-75

Abstract

Both biotic and abiotic natural resources are the capital of the biosphere that may be exploited to meet human needs and promote human welfare. Global warming is a consequence of increasing environmental degradation. During photosynthesis, trees may collect carbon from the atmosphere, separate carbon from oxygen, and release oxygen back into the atmosphere. This investigation was conducted on post-coal mining reclamation land that PT. Bukit Asam (BA) restored in 2009, 2012, and 2015. This study employs a quantitative approach with a purposive sampling methodology. The utilized sampling intensities were 1%, 2.5%, and 5%. The plot chosen is a 20-by-20-meter rectangle. Carbon storage for the 2009 planting time averaged 40.57 tons per hectare over a total area of 32.89 ha. Carbon storage for the planting year of 2012 with a total area of 5.73 hectares and an average carbon storage of 26.37 tons per hectare. Carbon sequestration in 2015 with a total area of 3.90 hectares and an average carbon storage of 20.86 tons per hectare.
Reinforcement of Bearing Capacity Foundation using Single Soil Column Method Fixed Diameter 3.2 cm with Calcium Carbide Residue (CCR) and Rice Husk Ash (RHA) Mixed Materials Dwi Wahyuni; Ratna Dewi; Yulindasari Yulindasari; Siti Nur Indah Sari
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.104-108

Abstract

Soil reinforcement method is one of the efforts to improve the technical properties of soil, such as soil bearing capacity, compressibility and permeability. The soil column method is one of the alternatives to improve physical properties by stabilization to improve soil bearing capacity. This research aims to increase the bearing capacity of the sole foundation by using the soil column method with a mixture of clay, 3% calcium carbide residue (CCR) and 12% Rice Hush Ash (RHA). This research was conducted experimentally in the laboratory using clay test specimens taken from Padamaran Village, OKI, South Sumatra Province, which were put into a test box with 1 m x 1 m x 1.4 m dimensions. The soil column modelling in this research used the soil column method. The soil column modelling in this study used a single column variation with a diameter of 3.2 cm with lengths of 40 cm, 46 cm, and 53 cm, respectively. The results are the clay foundation plate's ultimate soil bearing capacity (qu) before and after reinforcement with the soil column method. The bearing capacity of the footprint foundation plate on the largest clay soil occurs in the soil column variation with a length of 40 cm and a diameter of 3.2 cm, where the bearing capacity of the clay soil, which was originally 140 kPa increased to 21 kPa. In the experimental results of the loading test, the longer the column, the bearing capacity of the column decreases, which may have something to do with the slenderness factor of the column. The slimmer the column, the smaller the compressive strength of the column so that the tendency of the column to bend/collapse becomes greater. It happens because slender columns not only accept axial forces but also consider the addition of secondary moments due to the slenderness of the column. Then, the column cannot withstand the shear load due to the compacted clay soil around the column.
Analysis of Soil Characteristics by Layer Based on the Robertson Et Al and Schmertmann Method from CPT (Cone Penetration Test) Siti Nur Indah Sari; Dwi Wahyuni
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.76-81

Abstract

Soil is the sub-base where the building structure is located, and the soil classification differs for each layer. There are many cases of failure in building construction due to poor soil, causing the building structure to crack and even collapse, which causes damage to the building - material and also dangerous for the building occupants. For this reason, soil investigation is significant to conduct before constructing the upper structure. One of them is the Sondir test. However, when the sondir data analysis of the qc and FR values are obtained, the Robertson et al method and the Schmertmann method will show the result of soil layer classification before construction begins. The research was located in a specific area, Bengkalis Road, Belawan Medan City, and North Sumatra. The research suggests that the soil in this location is predominantly soft with low shear resistance (qc ranging from 0 - 5 kg/m2), clay type, and depths of 6 - 7 meters. Due to these soil conditions, there are certain considerations and precautions that need to be taken into account if you plan to build on this land. One of them, soil improvement is given the soft and low shear resistance characteristics of the soil, its techniques may be necessary before construction. The suggested depth for the pile foundation is 10 - 20 meters. The actual depth would depend on factors such as the specific characteristics of the soil layers and the weight of the planned structure.
The Growth of PB 260 Clone of Rubber Plant on Peatland Jamin Saputra; Alchemi Putri Juliantika Kusdiana
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.109-114

Abstract

The expansion of the area for the cultivation of rubber plants is hampered by the fact that the availability of mineral land has begun to decrease, so many have started to plant rubber on marginal lands such as peatlands. Peatlands for agriculture have many limiting factors, but if peatlands are adequately managed with drainage as well as ameliorant and fertilizing inputs, then peatlands have the potential to be used as agricultural land. However, information on research results related to rubber cultivation on peatlands is still very limited, so this study was carried out to observe the growth of rubber plants of PB 260 clones on peatlands. The research was carried out for five years in Sungai Rengit Village, South Sumatra, using rubber planting material in a polybag of PB 260 clones. The observations' parameters were stem girth, peat water level, and peat subsidence. The results showed that the growth of PB 260 clones during the immature plant period on peatland was not significantly different from rubber plants on mineral soils. At the research location, there was never any puddle and the peat water level was maintained because the drainage channels were well made. During the five years of observation, the highest peat water level occurred in the rainy season at 27 cm from the peat surface, while the lowest peat water level occurred in the dry season, which was more than 150 cm from the peat surface. The peat decline reached 25 cm during the five years of observation
Mapping of Flood-Prone Areas as a Flood Disaster Mitigation Effort in the Lambidaro Sub-Watershed, Palembang City Muhammad Ardiansyah; Ngudiantoro N; Ari Siswanto
Sriwijaya Journal of Environment Vol 8, No 2 (2023): ENVIRONMENTAL TECHNOLOGY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2023.8.2.82-91

Abstract

Palembang is a city that is frequently hit by floods, as the center of national activities which stimulates infrastructure development activities to support the economy and population growth, resulting in reduced urban green space and even the disappearance of the rivers that used to flow in most of Palembang City. Floods also occurred quite badly in the study area, namely the Lambidaro Sub-watershed, this study aims to identify the dominant factors that affect flooding and determine the area distribution based on the level of flooding vulnerability of study area. The methods used are Analytical Hierarchy Process analysis combined with Geographic Information System analysis using primary and secondary data from valid sources. Based on the results of the study, it was found that most of the study areas were in areas with a moderate level of flood prone with an area of 3146.50 hectares, then areas with a high level of flooding reached 1429.34 hectares, and finally, areas with a low level of flooding were only 347.65 hectares. The conclusion related to this research requires more attention from related stakeholders to areas that are included in the high flood-prone level, which mostly hit the Bukit Baru Village, Tanjung Barangan Street.

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