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BIM Implementation for Storing, Sharing and Capturing Knowledge in Indonesian Project Construction BIM在印尼项目建设中的存储、共享和获取

Civil and environmental science journal Pub Date : 2023-10-01 DOI: 10.21776/civense.v6i2.414

Singgih Fitra Utama, Kartika Puspa Negara, Indradi Wijatmiko

引用次数: 0

An Alternative Model to Estimate Total Suspended Solids Concentrations using Landsat 8 Imagery in Indonesia 利用印度尼西亚Landsat 8图像估算总悬浮固体浓度的替代模型

Civil and environmental science journal Pub Date : 2023-10-01 DOI: 10.21776/ub.civense.2023.v6i2.404

Devy Risky Panji Wijaya, Riyanto Haribowo, James E. Ball

{"title":"An Alternative Model to Estimate Total Suspended Solids Concentrations using Landsat 8 Imagery in Indonesia","authors":"Devy Risky Panji Wijaya, Riyanto Haribowo, James E. Ball","doi":"10.21776/ub.civense.2023.v6i2.404","DOIUrl":"https://doi.org/10.21776/ub.civense.2023.v6i2.404","url":null,"abstract":"A regular monitoring program of water quality is generally performed using a direct measurement method, which requires substantial efforts and resources. These issues can be minimised using several options, one of which is Landsat 8 (L8). This imagery has been broadly used to measure several water quality parameters, especially Total Suspended Solids (TSS) concentrations, even in Indonesia. This paper will compare several models from previous studies and a modified model generated using data from various sites. The comparison is based on their competencies to estimate TSS concentrations. The competencies are determined by the coefficient of correlation (r), correlation of determination (R2), and residual standard error (RSE) parameters as these three parameters are strongly correlated, generally applied, and provide distinctive determinations. The best model should have the highest r and R2 values, while the RSE value should be the lowest. The results imply that TSS model 4 generated in this study provides comparable results with TSS model 1, which has been generally used in Indonesia and provided favourable results. Thus, it can be an alternative model to estimate TSS concentrations in Indonesia.","PeriodicalId":482991,"journal":{"name":"Civil and environmental science journal","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136093985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of Water Supply System Performance Indicators Based on the Customer Bill-Based Approach 基于客户账单法的供水系统绩效指标评估

Civil and environmental science journal Pub Date : 2023-10-01 DOI: 10.21776/civense.v6i2.400

Takele Sambeto Bibi, Beyene Hordofa Dinsa, Tamru Tesseme Aragaw

{"title":"Assessment of Water Supply System Performance Indicators Based on the Customer Bill-Based Approach","authors":"Takele Sambeto Bibi, Beyene Hordofa Dinsa, Tamru Tesseme Aragaw","doi":"10.21776/civense.v6i2.400","DOIUrl":"https://doi.org/10.21776/civense.v6i2.400","url":null,"abstract":"Significant efforts have been undertaken over the last two decades by governmental organizations and local and international non-governmental sectors to improve water supply and sanitation structures; however, there are significant challenges to the town's growth and expansion. Chiro town's population is increasing, and the community is affected by water and excreta-borne diseases as a result of a lack of proper sanitation facilities and a water supply system. In this study, billed data from Chiro Town water supply service enterprise customers have been used to assess the performance of the water distribution network over ten years (2011-2020). The findings show that the Town's water coverage is 62.9%, the water demand is 8,121.6m3/day, and the computed annual water production is 4,222.3m3/day. Residents of the town have complained about a lack of access to improved drinking water supplies, low water consumption, and sanitation facilities, particularly in the community of those who live in the town's borders and practice open defecation. For all domestic use, 16.32% and 83.68% of respondents used unprotected and protected water sources, respectively. This study suggested that strong sectoral coordination, community involvement, and sufficient financial resources were required to identify the root causes and provide an efficient water supply system in the study area.","PeriodicalId":482991,"journal":{"name":"Civil and environmental science journal","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136153983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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