Abstract
The Grand Agadir is confronting with huge production of solid waste. Due to the fact of changes in habits of consumption, the increase of production, and demographic evolution. This production is buried in the controlled discharge of Tamelast. This landfill faces many environmental issues. Our work aims to evaluate the environmental characteristics based on the geological and hydrogeological properties of the site of the Tamelast landfill in Grand Agadir (Morocco). To evaluate the geological and hydrogeological characteristics of the Tamelast landfill, we have generated geological, hydrogeological maps, stratigraphic vertical sections, and cross-sections of the landfill area that have been prepared for further assessment of environmental geological factors. Besides, we also focused on other measures of permeability, and field data we could define the probability and importance of contamination by leachate. The Tamelast landfill is installed on the marl-limestone and carbonate ranges of the Campanian and Maastrichtian. Geologically, the site consists essentially of carbonate deposits, limestones, and Cretaceous marls. These geological outcrops that can play the role of a potential aquifer are the fractured Campanian marl-limestone formations. These soils have a permeability of 5.10-4 to 10-3m/s and transmissivity of 10-2 to 5.10-2 m2/s.
Highlights
Waste management problems have become a major menace to the natural environment in developing countries (e.g., Morocco) and efficient solutions are urgently needed [1]
7 Natural hazards In February 2017, the Tamelast landfill site experienced a slide of a household waste landfill locker to a leachate collection basin (Fig. 14), this slide was induced by an earthquake that hit the south of Agadir causing a large quantity of leachate to flow out, causing damage to the geomembranes and inducing a risk of leachate infiltration into surface water and in the groundwater
Environmental geology provides methods to study the information required for the installation of a controlled landfill
Summary
Waste management problems have become a major menace to the natural environment in developing countries (e.g., Morocco) and efficient solutions are urgently needed [1]. The decision-makers try to eliminate solid waste in landfills without causing any impacts on the environment, human health, and amenity. The selection of a controlled landfill for the storage of municipal waste requires very careful environmental, geological, and hydrogeological studies [3]. Selecting a suitable site for municipal waste disposal is considered the most important step in the development and management of solid waste. In the selection of sites, geological nature and hydrology play a very primordial role [3]. These criteria mainly control the suitability of waste disposal sites and the importance of bedrock geology and drift for groundwater protection is the decision-makers emphasized.
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