Delimitation of flood areas based on a calibrated a DEM  and geoprocessing: case study on the Uruguay River,  Itaqui, southern Brazil

Araújo, Paulo Victor N.; Amaro, Venerando E.; Silva, Robert M.; Lopes, Alexandre B.

doi:https://doi.org/10.5194/nhess-19-237-2019

Articles | Volume 19, issue 1

https://doi.org/10.5194/nhess-19-237-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Flood risk assessment and management

https://doi.org/10.5194/nhess-19-237-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 1

Research article

|

25 Jan 2019

Research article |

| 25 Jan 2019

Delimitation of flood areas based on a calibrated a DEM and geoprocessing: case study on the Uruguay River, Itaqui, southern Brazil

Paulo Victor N. Araújo, Venerando E. Amaro, Robert M. Silva, and Alexandre B. Lopes

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Dec 2018	37	8	0	45
Jan 2019	106	42	2	150
Feb 2019	132	31	4	167
Mar 2019	89	26	1	116
Apr 2019	26	24	1	51
May 2019	36	24	3	63
Jun 2019	42	33	1	76
Jul 2019	25	20	0	45
Aug 2019	23	29	2	54
Sep 2019	24	13	3	40
Oct 2019	44	14	2	60
Nov 2019	28	26	1	55
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Jan 2020	39	17	6	62
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May 2020	61	11	5	77
Jun 2020	39	23	2	64
Jul 2020	40	22	2	64
Aug 2020	53	17	1	71
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Feb 2021	20	4	0	24
Mar 2021	21	13	0	34
Apr 2021	32	12	1	45
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Jun 2021	36	3	0	39
Jul 2021	25	12	0	37
Aug 2021	25	17	0	42
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Oct 2021	28	39	0	67
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Jan 2022	30	13	0	43
Feb 2022	23	13	2	38
Mar 2022	26	12	0	38
Apr 2022	29	19	2	50
May 2022	15	8	1	24
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Aug 2022	99	9	0	108
Sep 2022	41	11	0	52
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Nov 2022	54	10	0	64
Dec 2022	19	7	2	28
Jan 2023	22	15	1	38
Feb 2023	20	8	0	28
Mar 2023	41	11	1	53
Apr 2023	17	15	0	32
May 2023	28	14	4	46
Jun 2023	2	0	2

Cumulative views and downloads (calculated since 15 Aug 2018)

Month	HTML	PDF	XML	Total
Aug 2018	107	29	1	137
Sep 2018	78	22	1	101
Oct 2018	66	22	3	91
Nov 2018	57	15	3	75
Dec 2018	37	8	0	45
Jan 2019	106	42	2	150
Feb 2019	132	31	4	167
Mar 2019	89	26	1	116
Apr 2019	26	24	1	51
May 2019	36	24	3	63
Jun 2019	42	33	1	76
Jul 2019	25	20	0	45
Aug 2019	23	29	2	54
Sep 2019	24	13	3	40
Oct 2019	44	14	2	60
Nov 2019	28	26	1	55
Dec 2019	33	19	0	52
Jan 2020	39	17	6	62
Feb 2020	25	11	2	38
Mar 2020	33	13	2	48
Apr 2020	45	8	1	54
May 2020	61	11	5	77
Jun 2020	39	23	2	64
Jul 2020	40	22	2	64
Aug 2020	53	17	1	71
Sep 2020	29	15	0	44
Oct 2020	27	11	1	39
Nov 2020	30	19	2	51
Dec 2020	33	5	0	38
Jan 2021	28	14	0	42
Feb 2021	20	4	0	24
Mar 2021	21	13	0	34
Apr 2021	32	12	1	45
May 2021	31	10	0	41
Jun 2021	36	3	0	39
Jul 2021	25	12	0	37
Aug 2021	25	17	0	42
Sep 2021	24	18	0	42
Oct 2021	28	39	0	67
Nov 2021	32	30	0	62
Dec 2021	27	10	0	37
Jan 2022	30	13	0	43
Feb 2022	23	13	2	38
Mar 2022	26	12	0	38
Apr 2022	29	19	2	50
May 2022	15	8	1	24
Jun 2022	18	8	2	28
Jul 2022	31	9	0	40
Aug 2022	99	9	0	108
Sep 2022	41	11	0	52
Oct 2022	54	3	2	59
Nov 2022	54	10	0	64
Dec 2022	19	7	2	28
Jan 2023	22	15	1	38
Feb 2023	20	8	0	28
Mar 2023	41	11	1	53
Apr 2023	17	15	0	32
May 2023	28	14	4	46
Jun 2023	2	0	2

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Short summary

This paper aims to map flood hazard areas under the influence of the Uruguay River, Itaqui (southern Brazil), using a calibrated digital elevation model (DEM), historic river level data and geoprocessing techniques. Assessment of the areas that can potentially be flooded can help to reduce the negative impact of flood events by supporting the process of land-use planning in areas exposed to flood hazards.