V
List of Figures
Figure I-1 Map of the geographical location of Algiers Bay and study area. ................................. 4
Figure I-2 Wave parameters. ........................................................................................................... 4
Figure I-3 The location of wave data extraction point. ................................................................... 5
Figure I-4 Representation of the spectrum of recorded wave heights. ............................................ 6
Figure I-5 Representation of the spectrum of recorded wave periods. ........................................... 6
Figure I-6 Annual and seasonal wave roses recorded from 1992 - 2021 at 37° N and 3° E. .......... 8
Figure I-7 Monthly wave roses recorded from 1992 - 2021 at 37° N and 3° E. ............................. 9
Figure I-8 Diagram with marginal distributions of wave heights and periods. ............................. 10
Figure I-9 Representation of the spectrum of recorded wind speed. ............................................ 10
Figure I-10 Annual and seasonal wind roses recorded from 1992 - 2021 at 37° N and 3° E. ...... 12
Figure I-11 Monthly wave roses recorded from 1992 - 2021 at 37° N and 3° E. ......................... 13
Figure II-1 Representative schema of the block maxima and POT methods. ............................... 16
Figure II-2 Representation of Maximum Blocks method on 1992 - 2021 wave heights. ............. 17
Figure II-3 Estimation of extreme events via the Gumbel distribution for omnidirectional. ........ 18
Figure II-4 Estimation of extreme events via the Weibull distribution for omnidirectional. ........ 18
Figure II-5 Estimation of extreme events via the Gumbel distribution for each direction. .......... 19
Figure II-6 Estimation of extreme events via the Weibull distribution for each direction. .......... 21
Figure II-7 Representation of the possible distributions of the GEV method. .............................. 23
Figure II-8 Graphical representation of the wave height distribution. .......................................... 23
Figure II-9 Residual mean of the omnidirectional wave height of the record. ............................. 24
Figure II-10 Representation of POT method on wave heights data from 1992 - 2021. ................ 24
Figure II-11 Estimation of extreme events via the POT method for omnidirectional. ................. 25
Figure II-12 Estimation of extreme events via the POT method for North Northeast direction. .. 25
Figure II-13 Estimation of extreme events via the POT method for each direction. .................... 26
Figure II-14 Comparison of the results obtained with the two methods POT and GEV. ............. 28
Figure III-1 The mesh of the Marina and Port of Algiers ............................................................. 36
Figure III-2 Bathymetry of Algiers Bay. ....................................................................................... 37
Figure III-3 Bathymetry of the Algiers Port. ................................................................................. 38
Figure III-4 Bathymetry of the Algiers Marina. ............................................................................ 39
Figure III-5 Map of Extraction Points at 20 meters from the Main Breakwater of the Marina and
40 meters from the Base of the Khireddine Jetty in the Port of Algiers. ...................................... 40
Figure III-6 Wave fields and current directions for the NNE direction in the Bay of Algiers (For
2 years return period) .................................................................................................................... 47
List of Figures
Figure I-1 Map of the geographical location of Algiers Bay and study area. ................................. 4
Figure I-2 Wave parameters. ........................................................................................................... 4
Figure I-3 The location of wave data extraction point. ................................................................... 5
Figure I-4 Representation of the spectrum of recorded wave heights. ............................................ 6
Figure I-5 Representation of the spectrum of recorded wave periods. ........................................... 6
Figure I-6 Annual and seasonal wave roses recorded from 1992 - 2021 at 37° N and 3° E. .......... 8
Figure I-7 Monthly wave roses recorded from 1992 - 2021 at 37° N and 3° E. ............................. 9
Figure I-8 Diagram with marginal distributions of wave heights and periods. ............................. 10
Figure I-9 Representation of the spectrum of recorded wind speed. ............................................ 10
Figure I-10 Annual and seasonal wind roses recorded from 1992 - 2021 at 37° N and 3° E. ...... 12
Figure I-11 Monthly wave roses recorded from 1992 - 2021 at 37° N and 3° E. ......................... 13
Figure II-1 Representative schema of the block maxima and POT methods. ............................... 16
Figure II-2 Representation of Maximum Blocks method on 1992 - 2021 wave heights. ............. 17
Figure II-3 Estimation of extreme events via the Gumbel distribution for omnidirectional. ........ 18
Figure II-4 Estimation of extreme events via the Weibull distribution for omnidirectional. ........ 18
Figure II-5 Estimation of extreme events via the Gumbel distribution for each direction. .......... 19
Figure II-6 Estimation of extreme events via the Weibull distribution for each direction. .......... 21
Figure II-7 Representation of the possible distributions of the GEV method. .............................. 23
Figure II-8 Graphical representation of the wave height distribution. .......................................... 23
Figure II-9 Residual mean of the omnidirectional wave height of the record. ............................. 24
Figure II-10 Representation of POT method on wave heights data from 1992 - 2021. ................ 24
Figure II-11 Estimation of extreme events via the POT method for omnidirectional. ................. 25
Figure II-12 Estimation of extreme events via the POT method for North Northeast direction. .. 25
Figure II-13 Estimation of extreme events via the POT method for each direction. .................... 26
Figure II-14 Comparison of the results obtained with the two methods POT and GEV. ............. 28
Figure III-1 The mesh of the Marina and Port of Algiers ............................................................. 36
Figure III-2 Bathymetry of Algiers Bay. ....................................................................................... 37
Figure III-3 Bathymetry of the Algiers Port. ................................................................................. 38
Figure III-4 Bathymetry of the Algiers Marina. ............................................................................ 39
Figure III-5 Map of Extraction Points at 20 meters from the Main Breakwater of the Marina and
40 meters from the Base of the Khireddine Jetty in the Port of Algiers. ...................................... 40
Figure III-6 Wave fields and current directions for the NNE direction in the Bay of Algiers (For
2 years return period) .................................................................................................................... 47