Table 3.

Evaluation of the criteria and ranking of the potential of southwesterern Algeria sedimentary basins for CO₂ storage

Criteria	Sedimentary basins						Weight (wi)
	Bechar	Tindouf	Reggane	Cuvette de Sbaa	Ahnet	Gourara
i = 1
Seismicity	5	5	5	5	5	5	0.1
i = 2
Area	3	5	5	3	5	5	0.06
i = 3
Depth	2	2	4	4	4	4	0.1
i = 4
Deformation	2	2	2	2	3	3	0.08
i = 5
Reservoir-coverage	2	2	2	2	3	3	0.1
i = 6
Geothermal power	3	3	2	2	2	2	0.09
i = 7
Potential in hydrocarbons	2	2	4	4	5	5	0.04
i = 8
Evaporites	2	2	2	2	2	2	0.01
i = 9
Coal	1	1	1	1	1	1	0.04
i = 10
Exploration maturity	2	2	3	3	5	5	0.08
i = 11
On/offshore	4	4	4	4	4	4	0.11
i = 12
Climate	3	3	3	3	3	3	0.04
i = 13
Accessibility	2	2	3	3	4	4	0.04
i = 14
Infrastructure	1	1	2	3	4	4	0.05
i = 15
CO2 sources	1	1	3	4	5	5	0.06
	0.48	0.51	0.62	0.63	0.90	0.91