Multi-criteria analysis and ranking of potential landfill sites in Morocco Friday 19 June 2009 Prof. M. Loizidou and D. Malamis s: website:

Areas Examined for the allocation of a landfill site in Morocco AreaName of Site Area 1Azemmour Area 2Oulad Rahmoune Area 3Moulay Abdellah Area 4Haouzia 1 Area 5Haouzia 2 Area 6Haouzia 3 Area 7Haouzia 4

MULTICRITERIA ANALYSIS RANKING potential landfill sites (7) using an appropriate software (Decision Lab) EVALUATION of potential landfill sites based on the Criteria set Calculation of the Q/P/W multicriteria matrix Optimum site for landfill construction (IIa) (IIb) (IIc) (II) (III) Landfill Allocation Process Criteria WEIGHTING Setting Exclusion Criteria (I)

I. Exclusion Criteria These exclusion criteria are minimum distance limits from specific land uses and places of interest Potential landfill sites should comply with all the exclusion criteria in order to proceed to the multi-criteria analysis otherwise they are excluded The software provides a list of 15 exclusion criteria but the user can add or remove one or more criteria

The limit distance below which the examined area is excluded Criterion ID from X1 – X15 Exclusion criteria are distances from specific land use or place of interest VIEW EXCLUSION CRITERIA

Selection of the examined area Inserting data for each examined area 15 Exclusion Criteria INSERTING DATA FOR EACH EXAMINED AREA

Shows only the examined areas that comply with the exclusion criteria Exclusion Criteria X1 to X15 CHECKING THE AREAS THAT COMPLY WITH THE EXCLUSION CRITERIA Data for each exclusion criterion of the examined areas that comply with the criteria

Setting the criterion ID e.g. X16, X17… X20 etc Setting the criterion Name e.g. The land use or place of interest that we want The limit distance below which the examined area is excluded ADDING A NEW CRITERION

DELETING CRITERION & EXAMINED AREA Choosing which CRITERION to delete Choosing which examined AREA to delete

MULTICRITERIA ANALYSIS RANKING potential landfill sites (7) using an appropriate software (Decision Lab) EVALUATION of potential landfill sites based on the Criteria set Calculation of the Q/P/W of the multicriteria matrix Optimum site for landfill construction (IIa) (IIb) (IIc) (II) (III) Landfill Allocation Process WEIGHTING the Criteria Setting Exclusion Criteria (I)

II. Multi-criteria Analysis 5 Group criteria with the corresponding sub-criteria (48 in total) Weighting of Group and sub-criteria - determining the importance of each group and each sub-criterion (through the use of questionaire to ++) Weighting factors are the same for all examined areas. The evaluation of the examined areas is based on a 1 to 10 scale (10 being the maximum value) of the predetermined sub-criteria Calculation of the Q/P/W values Group Criteria (5)Sub-criteria (48) Hydrogeological criteria (Group A)15 sub-criteria A1 to A15 Land - Planning criteria (Group B)16 sub-criteria B1 to B16 Environmental criteria (Group C)4 sub-criteria C1 to C4 Operational-General criteria (Group D)9 sub-criteria D1 to D9 Financial- Economic criteria (Group E)5 sub-criteria E1 to E5

GROUP CRITERIA WEIGHTING GROUP A GROUP B GROUP C GROUP D GROUP E 30% 25% 20% 15% 10% TOTAL 100% Weights of Group Criteria

SUB-CRITERIA WEIGHTING

SUB-CRITERIA WEIGHTING – GROUP A CHOOSE EACH GROUP CRITERION TO SET THEIR SUB-CRITERIA WEIGHTS AND TO EVALUATE EACH EXAMINED AREA

A1 to A15 sub-criteria weighting (Group A – Hydrogeological criteria) The sub-criteria of Group A criteria A1 to A15 Entering the weight factors for each sub-criterion (A1 to A15) of Group A criteria Total = 100%

Group A Sub-criteria Evaluation of the examined areas on a 1 to 10 scale (A1 to A15 sub-criteria) List of available options for evaluating each examined area based on Group A criteria Evaluation on a scale of 1 to 10 Selection of examined area

SUB-CRITERIA WEIGHTING – GROUP B CHOOSE EACH GROUP CRITERION TO SET THEIR SUB-CRITERIA WEIGHTS AND TO EVALUATE EACH EXAMINED AREA

The sub-criteria of Group B criteria B1 to B16 sub-criteria weighting (Group B – Land-planning Criteria) Entering the weight factors for each sub- criterion (B1 to B16) of Group B criteria Total = 100%

Evaluation of the examined areas on a 1 to 10 scale (B1 to B16 sub-criteria) Group B Sub-criteria Evaluation on a scale of 1 to 10 Selection of examined area Options for evaluating each examined Area

SUB-CRITERIA WEIGHTINGSUB-CRITERIA WEIGHTING – GROUP C CHOOSE EACH GROUP CRITERION TO SET THEIR SUB-CRITERIA WEIGHTS AND TO EVALUATE EACH EXAMINED AREA

The sub-criteria of Group C criterion (C1 to C4) C1 to C4 sub-criteria weighting (Group C – Environmental Criteria) Entering the weight factors for each sub-criterion (C1 to C4) of Group C criteria Total = 100%

Evaluation of the examined areas on a 1 to 10 scale (C1 to C4 sub-criteria) Group C Sub-criteria and the options for evaluating the examined Areas Evaluation on a scale of 1 to 10 Selection of examined area

SUB-CRITERIA WEIGHTINGSUB-CRITERIA WEIGHTING – GROUP D CHOOSE EACH GROUP CRITERION TO SET THEIR SUB-CRITERIA WEIGHTS AND TO EVALUATE EACH EXAMINED AREA

D1 to D9 sub-criteria weighting (Group D – Operational – General selection criteria Criteria) Entering the weight factors for each sub-criterion (D1 to D9) of Group D criteria The sub-criteria of Group D criteria (D1 to D9) Total = 100%

Evaluation of the examined areas on a 1 to 10 scale (D1 to D9 sub-criteria) Evaluation of the examined area based on a scale of 1 to 10 Group D subcriteria (D1 to D9) and the available options for evaluating each examined area based on these criteria Selection of examined area

SUB-CRITERIA WEIGHTING – GROUP E CHOOSE EACH GROUP CRITERION TO SET THEIR SUB-CRITERIA WEIGHTS AND TO EVALUATE EACH EXAMINED AREA

The sub-criteria of Group E criteria (E1 to E5) Entering the weight factors for each sub-criterion (E1 to E5) of Group E criteria Total = 100% E1 to E5 sub-criteria weighting (Group E – Financial Criteria) Total = 100%

Evaluation of the examined areas on a 1 to 10 scale (E1 to E5 sub-criteria) The sub-criteria of Group E criteria (E1 to E5) List of available options for evaluating each examined area based on Group E criteria 1 to 10 scale evaluation of the examined area based on Group E criteria Selection of examined area

W(ij)= [%weight of Group criterion (i) * weight of Sub-criterion(ij)]/10000 Q(ij) = {max[subcriterion (ij)] – min[subcriterion (ij)] }/10, Where (i) is the chosen group criterion and (j) is the chosen subcriterion P(ij) = 3 * Q(ij) Multi-criteria Matrix of Group A criterion Q/W/P values for group criterion A – More info later on … Equation for calculating Q/P/W

Examined Areas (Area 1 - Area 7) Subcriteria of Group A criterion 1 to 10 scale evaluation of the Subcriteria Graphical illustration of the evaluation of the examined areas for each subcriterion of Group A criterion

Deleting an examined area (Area1 to Area 7) Deleting the weights (W) of a group criterion Deleting an examined Area (Area1 to Area7)

Multi-criteria Matrix na to peis me logia sthn epomenh diafaneia Group and sub-criteria weighting - determining the importance of each group and each sub- criterion - DONE Evaluation of the examined areas based on a 1 to 10 scale (10 being the maximum value) of the sub-criteria of all Group criteria –Group A (A1 – A15) –Group B (B1 – B16) –Group C (C1 to C4) –Group D (D1 to D9) –Group E (E1 to E5) DONE

MULTICRITERIA ANALYSIS RANKING potential landfill sites (7) using an appropriate software (Decision Lab) EVALUATION of potential landfill sites based on the Criteria Calculation of the Q/P/W multicriteria matrix Optimum site for landfill construction (IIa) (IIb) (IIc) (II) (III) Landfill Allocation Process SETTING and WEIGHTING of Criteria Setting Exclusion Criteria (I)

Multi-criteria Matrix of all criteria (Groups A, B, C, D & E) Evaluation of the examined areas - 1 to 10 scale for each subcriterion Multi-criteria Matrix W(ij)= [%weight of Group criterion (i) * weight of Sub-criterion(ij)]/10000 P(A4) = 3 * Q(A4) = 3 * 0,7 = 2,1 Q(A4) = {max[subcriterion (A4)] – min[subcriterion (A4)] }/10, = (10 – 3)/10 = 0,7 Q/P/W values Example of W(A4) calculation Weight of Group A criterion = 30% Weight of Sub-criterion A4 = 5% W(A4)= { 30%* 5% } / 10000=0.015

MULTICRITERIA ANALYSIS RANKING potential landfill sites (7) using an appropriate software (Decision Lab) EVALUATION of potential landfill sites based on the Criteria set on previous step Calculation of the Q/P/W multicriteria matrix Optimum site for landfill construction (IIa) (IIb) (IIc) (II) (III) Landfill Allocation Process SETTING and WEIGHTING of Criteria Setting Exclusion Criteria (I)

III. RANKING potential landfill sites Decision Lab software

Setting the Multi-criteria Matrix in the Decision Lab software Potential Landfill Sites – Areas 1 to 7 Subcriteria Q/P/W values

MULTICRITERIA ANALYSIS RANKING potential landfill sites (7) using an appropriate software (Decision Lab) EVALUATION of potential landfill sites based on the Criteria Calculation of the Q/P/W multicriteria matrix Optimum site for landfill construction (IIa) (IIb) (IIc) (II) (III) Landfill Allocation Process SETTING and WEIGHTING of Criteria Setting Exclusion Criteria (I) (IV)

Ranking of potential landfill sites

RankingName of Site Area 2Oulad Rahmoune Area 4Haouzia 1 Area 5Haouzia 2 Area 6Haouzia 3 Area 7Haouzia 4 Area 3Moulay Abdellah Area 1Azemmour

Prof. M. Loizidou and D. Malamis s: & website: Thank You