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Contribution To The Development of The Collection And The Transfer Processes of Solid Waste In Lattakia City Using Geographical Information Systems

مساهمة في تطوير عمليات جمع و ترحيل النفايات الصلبة في مدينة اللاذقية باستخدام نظم المعلومات الجغرافية

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 Publication date 2015
and research's language is العربية
 Created by Shamra Editor




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The process of collecting and transporting solid waste is the first and fundamental issue in the management of solid waste as it is the most economically expensive operation, in which its expenses in the process of system of municipal solid waste management (MSWM) reaches about 60-70% of the total expenditure. This process starts from placing waste in containers till unloading these containers in transportation vehicles and then carry them to transfer stations or final disposal sites. The fees of collection and transportation can be reduced through the selection of the optimal path, and thus obtaining many economical benefits. In this research, the applications of geographical information systems (GIS) have been used in order to choose the optimal route for waste collection, transportation and transference in the city of Lattakia, Where a database has been designed which included mainly the streets, bridges and tunnels, it also included residential areas serviced by waste containers, and the process of linking them to each other took place by using the techniques of GIS in order to choose the best economical and timetable ways for the traffic of vehicles to collect and transport the waste, which contributes practically and effectively in improving the activities of municipal solid waste management in this city.


Artificial intelligence review:
Research summary
تتناول هذه الدراسة تطوير عمليات جمع وترحيل النفايات الصلبة في مدينة اللاذقية باستخدام نظم المعلومات الجغرافية (GIS). تعتبر عملية جمع ونقل المخلفات الصلبة من أهم وأغلى العمليات في إدارة النفايات الصلبة، حيث تشكل حوالي 60-70% من إجمالي النفقات. يهدف البحث إلى تحسين كفاءة هذه العمليات من خلال اختيار المسار الأمثل لجمع وترحيل النفايات، مما يقلل من التكاليف ويوفر الوقود. تم تصميم قاعدة بيانات مكانية تشمل الشوارع والجسور والأنفاق والمناطق السكنية المخدومة بالحاويات، وتم ربطها باستخدام تقنيات GIS لاختيار أفضل الطرق الاقتصادية والزمنية لحركة سيارات جمع ونقل النفايات. أظهرت النتائج أن استخدام نظم المعلومات الجغرافية يمكن أن يسهم بشكل كبير في تحسين إدارة النفايات الصلبة في المدينة، مما يقلل من الزمن اللازم للجمع والترحيل ويوفر كميات كبيرة من الوقود. توصي الدراسة بضرورة الإسراع في وضع قانون جديد لإدارة النفايات البلدية وتطوير برامج توعية بيئية وتدريب الكوادر المتخصصة في استخدام نظم المعلومات الجغرافية.
Critical review
تعتبر الدراسة خطوة هامة نحو تحسين إدارة النفايات الصلبة في مدينة اللاذقية، إلا أنها تفتقر إلى تحليل شامل للتحديات المحتملة التي قد تواجه تطبيق نظم المعلومات الجغرافية في هذا السياق. على سبيل المثال، لم يتم التطرق إلى كيفية التعامل مع البيانات غير المكتملة أو غير الدقيقة التي قد تؤثر على دقة النتائج. كما أن الدراسة لم تقدم تفاصيل كافية حول تكاليف تنفيذ النظام الجديد ومدى جاهزية البنية التحتية الحالية لدعمه. بالإضافة إلى ذلك، كان من الممكن أن تكون الدراسة أكثر شمولية إذا تضمنت مقارنة مع مدن أخرى استخدمت نظم المعلومات الجغرافية في إدارة النفايات الصلبة، مما يمكن أن يوفر رؤى إضافية حول الفوائد والتحديات المحتملة.
Questions related to the research
  1. ما هي النسبة المئوية من إجمالي نفقات إدارة النفايات الصلبة التي تشكلها عملية جمع ونقل المخلفات؟

    تشكل عملية جمع ونقل المخلفات الصلبة حوالي 60-70% من إجمالي نفقات إدارة النفايات الصلبة.

  2. ما هو الهدف الرئيسي من استخدام نظم المعلومات الجغرافية في إدارة النفايات الصلبة في مدينة اللاذقية؟

    الهدف الرئيسي هو تحسين كفاءة عمليات جمع وترحيل النفايات من خلال اختيار المسار الأمثل، مما يقلل من التكاليف ويوفر الوقود.

  3. ما هي العناصر الرئيسية التي شملتها قاعدة البيانات المكانية المصممة في الدراسة؟

    شملت قاعدة البيانات المكانية الشوارع والجسور والأنفاق والمناطق السكنية المخدومة بالحاويات.

  4. ما هي التوصيات التي قدمتها الدراسة لتحسين إدارة النفايات الصلبة في مدينة اللاذقية؟

    توصي الدراسة بضرورة الإسراع في وضع قانون جديد لإدارة النفايات البلدية، تطوير برامج توعية بيئية، تدريب الكوادر المتخصصة، وبناء خرائط رقمية تضمن تكامل نظم المعلومات الجغرافية.


References used
KHAJURIA, A.; MATSUI, T. and MACHIMURA, T. GIS Application for Estimating the Current Status of Municipal Solid Waste Management System: Case Study of Chandigarh City, India. Division of Sustainable Energy an Environmental Engineering, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565- 0871, Japan, 2011, 8
SHARHOLY, M.; AHMAD, K.; VAISHYA, R.C. and Gupta, R.D. Municipal solid waste characteristics and management in Allahabad, India. Waste Management 27, 2007, 490-496
GHOSE, M.K.; Dikshit, A.K. and Sharma, S.K. A GIS based transportation model for solid waste disposal- A case study on Asansol municipality. Waste Management 26, 2006, 1287-1293
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With the increasing population, the rising standards of living, industrial progress and rapid technological advancement, solid waste has varied and increased in amount as a result of various human activities. Thus, waste disposal has become one of the main problems facing cities and human populations because of the dangers posed by this waste to the environment and natural resources and health. Therefore, the development of an integrated management system for solid waste has become one of the most important elements of urban development strategies. Traditional management of municipal solid waste disposal, which includes collection, transfer and backfilling or burning operations, has evolved the concept of disposal of solid waste during the previous decades and begun waste management programs that focus on the use of computer programs such as geographic information systems, which help environmental planning for cities, and selection of the most optimal and economical solutions and. This study includes the use of geographic information systems software technology in the planning and selection of the optimal paths to collect and relay solid waste containers in the city of Latakia. In fact, selecting these routes undergoes the equations of length and time as to choose the shortest path, taking into account traffic regulations and diesctions in the streets. As for time, it takes the shortest path in terms of speeds specified for each road.
The disposal of solid waste is one of the most important contemporary environmental issues. Increasing population and what has been associated with the change in the patterns and lifestyles and increased consumption led to increasing the amount of pr oduced waste and its quality, especially in cities; the estimated amount of solid waste produced daily in the city of Latakia was 840 tons. Thus, there is an urgent need to follow the techniques in the management of solid waste in all stages to maintain human health and protect the environment from pollution. This study as a whole aims to estimate the amount and characteristics of solid waste, the methods used to collect and analyze the spatial distribution of the current waste collection containers in areas of the city of Latakia, better planning commensurate with its population and the amount of waste produced using GIS technology. To accomplish this, we have a comprehensive field survey to collect the waste containers in the study area where they were monitoring their locations and identifying characteristics; we relied on statistical analytical approach in the recruitment of data that have been obtained, and used the map to the city of Latakia Tags. And, through the program (ARC GIS 9.3) the data has been entered and processed, linked and analyzed using analysis tools attached to the program, exit maps and various forms that serve the study. The study concludes that the current number of containers is not enough when discharged per day, and that the spatial distribution is not commensurate with the amount of waste produced in areas of the city .
Latakia is a Syrian city that generates approximately 800 tons per day of municipal solid waste MSW, and the final disposal of MSW is in Al-Bassa open dump with no biogas capturing or leachate collection systems. Thus, a life cycle assessment appro ach LCA was used to determine the optimal strategy of municipal solid waste management. to find the most eco-friendly scenario, first, the composition study of MSW was conducted in Latakia. The results of first step are to be utilized as a reliable data source in establishing a complete picture of the environmental performances of municipal solid waste management systems with a life cycle perspective. The functional unit of the study was selected as one ton of MSW generated in Latakia. System boundaries included treatment and disposal of MSW using different scenarios: the open dump of waste, sanitary landfilling with gas recovery, and a material recovery facility MRF combined with a sanitary landfill and gas recovery. Data on the process was gathered from a field study conducted in Latakia, and from SimaPro 8.3.0 literature and libraries. The data was evaluated with IMPACT 2002+ methodology and the assessed environmental impact categories were climate change, human health, ecosystem quality, and resources. According to the results, while open dumping has been confirmed as the worst waste final disposal method, landfilling with gas recovery and material recovery facility showed better performance and is considered as a solution towards improved sustainability to overcome the existing waste management problem.
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The search gives a total studying about addressing systems in some Arabic and Western countries, and then studying one of the Syrian cities and benefit from its experience. the scientific study had ALZERAA and ALAZHARI neighborhood in LATTAKIA. c onsidering that ALZERAA neighborhood is a regulator housing while ALAZHARI neighborhood is a random one. The working in ALZERAA neighborhood has been done adopting to the current system which is applied from the council of LATTAKIA and decided by the local administration ministry, where we propose amendments on this system which make it easier to understand and use, and apply the proposed system within the geographic information system (GIS) program. Then studying the possibility of applying the proposed system on ALAZHARI neighborhood and making the intransitive modification according to the nature of the random areas like changing in the method of numeration because there are not streets clearly in addition to that the buildings are not regularly distributed on the two sides of the street.
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