Integrated Environmental Assessment of Gravel Extraction Activities in the State of Qatar

Khalid A. Al-Hajri, Asma A. Abahussain, Anwar S. Abdu, Abdulali M. Sadiq

الملخص


Inspite of its economic significance the gravel extraction activities in the State of Qatar are associated with a number of negative and adverse environmental impacts. The extraction and processing activities are located in 6 sites, with 18 active quarries. The processing centers handle annually 18,669,370 tons of row gravel, of which 11,949,370 tones are produced for building and construction, with 6,720,380 tons left as waste. Measurement and monitoring of dust fallout in 13 locations showed that the amounts of falling dust are strongly correlated with wind speed and direction. Application of GIS techniques using 1985 and 2002 Land use thematic maps indicated that areas affected by gravel extraction activities increased from 20.3 km2 in 1985 to 60.1 km2 in 2002.  Analysis of the maps further revealed that urban areas expanded by 69.9 km2 during the period 1985 – 2002. Finally, application of Integrated Environmental Assessment approach using the DPSIR model (D-Driving forces, P-Pressures, S-State, I-Impacts, R-Responses), has identified the main driving forces, causing pressures, affecting the state of the environment, their major impacts and the societal responses.  Additionally the study presented a matrix of policies to alleviate the negative impacts of gravel extraction and processing activities.

الكلمات المفتاحية


Gravel Extraction, DPSIR Model, Integrated Environmental Assessment, State of Qatar.

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