Global-scale benefit–cost analysis of coastal flood adaptation to different flood risk drivers using structural measures

Tiggeloven, Timothy; de Moel, Hans; Winsemius, Hessel C.; Eilander, Dirk; Erkens, Gilles; Gebremedhin, Eskedar; Diaz Loaiza, Andres; Kuzma, Samantha; Luo, Tianyi; Iceland, Charles; Bouwman, Arno; van Huijstee, Jolien; Ligtvoet, Willem; Ward, Philip J.

doi:10.5194/nhess-20-1025-2020

Articles | Volume 20, issue 4

https://doi.org/10.5194/nhess-20-1025-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Global- and continental-scale risk assessment for natural...

https://doi.org/10.5194/nhess-20-1025-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 4

Research article

|

17 Apr 2020

Research article |

| 17 Apr 2020

Global-scale benefit–cost analysis of coastal flood adaptation to different flood risk drivers using structural measures

Timothy Tiggeloven, Hans de Moel, Hessel C. Winsemius, Dirk Eilander, Gilles Erkens, Eskedar Gebremedhin, Andres Diaz Loaiza, Samantha Kuzma, Tianyi Luo, Charles Iceland, Arno Bouwman, Jolien van Huijstee, Willem Ligtvoet, and Philip J. Ward

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Nov 2019	73	21	1	95
Dec 2019	83	51	0	134
Jan 2020	54	19	0	73
Feb 2020	30	29	0	59
Mar 2020	22	24	0	46
Apr 2020	287	85	6	378
May 2020	229	57	2	288
Jun 2020	113	43	3	159
Jul 2020	52	29	1	82
Aug 2020	116	38	3	157
Sep 2020	85	45	0	130
Oct 2020	83	30	1	114
Nov 2020	86	23	3	112
Dec 2020	75	17	4	96
Jan 2021	85	21	0	106
Feb 2021	84	18	0	102
Mar 2021	104	31	1	136
Apr 2021	101	36	0	137
May 2021	80	28	0	108
Jun 2021	62	18	0	80
Jul 2021	78	18	0	96
Aug 2021	70	22	0	92
Sep 2021	74	21	2	97
Oct 2021	73	54	1	128
Nov 2021	107	51	0	158
Dec 2021	91	19	0	110
Jan 2022	84	39	1	124
Feb 2022	66	22	2	90
Mar 2022	87	29	0	116
Apr 2022	85	38	4	127
May 2022	77	14	2	93
Jun 2022	69	18	2	89
Jul 2022	97	15	0	112
Aug 2022	187	18	0	205
Sep 2022	81	13	0	94
Oct 2022	107	30	2	139
Nov 2022	93	42	0	135
Dec 2022	97	21	2	120
Jan 2023	104	25	1	130
Feb 2023	88	26	0	114
Mar 2023	119	47	5	171
Apr 2023	91	27	3	121
May 2023	116	30	3	149
Jun 2023	121	40	4	165
Jul 2023	143	39	3	185
Aug 2023	122	31	3	156
Sep 2023	90	22	0	112
Oct 2023	154	37	4	195
Nov 2023	143	15	0	158
Dec 2023	90	16	4	110
Jan 2024	189	31	2	222
Feb 2024	168	32	4	204
Mar 2024	162	36	3	201
Apr 2024	115	13	3	131
May 2024	94	29	6	129
Jun 2024	94	34	4	132
Jul 2024	90	25	5	120
Aug 2024	104	28	9	141
Sep 2024	117	15	2	134
Oct 2024	177	21	3	201
Nov 2024	185	15	1	201
Dec 2024	96	19	3	118
Jan 2025	142	17	3	162
Feb 2025	110	17	1	128
Mar 2025	107	12	1	120
Apr 2025	144	26	3	173
May 2025	146	14	0	160
Jun 2025	155	35	1	191
Jul 2025	110	24	2	136
Aug 2025	148	31	1	180
Sep 2025	141	30	1	172
Oct 2025	124	45	2	171
Nov 2025	131	34	2	167

Cumulative views and downloads (calculated since 28 Nov 2019)

Month	HTML	PDF	XML	Total
Nov 2019	73	21	1	95
Dec 2019	83	51	0	134
Jan 2020	54	19	0	73
Feb 2020	30	29	0	59
Mar 2020	22	24	0	46
Apr 2020	287	85	6	378
May 2020	229	57	2	288
Jun 2020	113	43	3	159
Jul 2020	52	29	1	82
Aug 2020	116	38	3	157
Sep 2020	85	45	0	130
Oct 2020	83	30	1	114
Nov 2020	86	23	3	112
Dec 2020	75	17	4	96
Jan 2021	85	21	0	106
Feb 2021	84	18	0	102
Mar 2021	104	31	1	136
Apr 2021	101	36	0	137
May 2021	80	28	0	108
Jun 2021	62	18	0	80
Jul 2021	78	18	0	96
Aug 2021	70	22	0	92
Sep 2021	74	21	2	97
Oct 2021	73	54	1	128
Nov 2021	107	51	0	158
Dec 2021	91	19	0	110
Jan 2022	84	39	1	124
Feb 2022	66	22	2	90
Mar 2022	87	29	0	116
Apr 2022	85	38	4	127
May 2022	77	14	2	93
Jun 2022	69	18	2	89
Jul 2022	97	15	0	112
Aug 2022	187	18	0	205
Sep 2022	81	13	0	94
Oct 2022	107	30	2	139
Nov 2022	93	42	0	135
Dec 2022	97	21	2	120
Jan 2023	104	25	1	130
Feb 2023	88	26	0	114
Mar 2023	119	47	5	171
Apr 2023	91	27	3	121
May 2023	116	30	3	149
Jun 2023	121	40	4	165
Jul 2023	143	39	3	185
Aug 2023	122	31	3	156
Sep 2023	90	22	0	112
Oct 2023	154	37	4	195
Nov 2023	143	15	0	158
Dec 2023	90	16	4	110
Jan 2024	189	31	2	222
Feb 2024	168	32	4	204
Mar 2024	162	36	3	201
Apr 2024	115	13	3	131
May 2024	94	29	6	129
Jun 2024	94	34	4	132
Jul 2024	90	25	5	120
Aug 2024	104	28	9	141
Sep 2024	117	15	2	134
Oct 2024	177	21	3	201
Nov 2024	185	15	1	201
Dec 2024	96	19	3	118
Jan 2025	142	17	3	162
Feb 2025	110	17	1	128
Mar 2025	107	12	1	120
Apr 2025	144	26	3	173
May 2025	146	14	0	160
Jun 2025	155	35	1	191
Jul 2025	110	24	2	136
Aug 2025	148	31	1	180
Sep 2025	141	30	1	172
Oct 2025	124	45	2	171
Nov 2025	131	34	2	167

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Short summary

We present a framework to evaluate the benefits and costs of coastal adaptation through dikes to reduce future flood risk. If no adaptation takes place, we find that global coastal flood risk increases 150-fold by 2080, with sea-level rise contributing the most. Moreover, 15 countries account for 90 % of this increase; that adaptation shows high potential to cost-effectively reduce flood risk. The results will be integrated into the Aqueduct Global Flood Analyzer web tool.


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