Impact analysis of the decline of agricultural land-use on flood risk and material flux in hilly and mountainous watersheds

Shimizu, Y.; Onodera, S.; Takahashi, H.; Matsumori, K.

doi:https://doi.org/10.5194/piahs-370-39-2015

Articles | Volume 370

https://doi.org/10.5194/piahs-370-39-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/piahs-370-39-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 370

11 Jun 2015

| 11 Jun 2015

Impact analysis of the decline of agricultural land-use on flood risk and material flux in hilly and mountainous watersheds

Y. Shimizu, S. Onodera, H. Takahashi, and K. Matsumori

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Views and downloads (calculated since 11 Jun 2015)

Month	HTML	PDF	XML	Total
Jun 2015	19	12	1	32
Jul 2015	36	38	0	74
Aug 2015	21	44	0	65
Sep 2015	8	34	0	42
Oct 2015	16	41	0	57
Nov 2015	12	21	0	33
Dec 2015	5	9	0	14
Jan 2016	9	8	1	18
Feb 2016	2	1	0	3
Mar 2016	9	1	0	10
Apr 2016	5	4	0	9
May 2016	3	5	0	8
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Jul 2016	4	1	1	6
Aug 2016	1	0	1
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Dec 2016	1	0	1
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Feb 2017	2	1	0	3
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Apr 2017	10	6	0	16
May 2017	10	4	0	14
Jun 2017	6	2	0	8
Jul 2017	4	1	0	5
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Nov 2017	7	10	1	18
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Jan 2018	5	3	0	8
Feb 2018	18	9	3	30
Mar 2018	8	4	0	12
Apr 2018	3	3	0	6
May 2018	5	3	0	8
Jun 2018	5	6	1	12
Jul 2018	9	8	0	17
Aug 2018	5	5	0	10
Sep 2018	7	5	0	12
Oct 2018	6	7	0	13
Nov 2018	13	6	0	19
Dec 2018	6	3	0	9
Jan 2019	9	7	1	17
Feb 2019	11	3	0	14
Mar 2019	9	4	0	13
Apr 2019	7	4	0	11
May 2019	9	5	0	14
Jun 2019	5	8	0	13
Jul 2019	4	6	0	10
Aug 2019	6	9	0	15
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Oct 2019	8	4	0	12
Nov 2019	4	5	0	9
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Jan 2020	6	4	0	10
Feb 2020	9	8	1	18
Mar 2020	6	5	0	11
Apr 2020	9	5	0	14
May 2020	13	4	1	18
Jun 2020	39	13	1	53
Jul 2020	58	48	41	147
Aug 2020	4	1	5
Sep 2020	6	5	0	11
Oct 2020	6	6	0	12
Nov 2020	3	5	0	8
Dec 2020	5	2	0	7
Jan 2021	8	7	0	15
Feb 2021	9	4	0	13
Mar 2021	3	4	0	7
Apr 2021	2	4	0	6
May 2021	5	4	0	9
Jun 2021	7	4	0	11
Jul 2021	3	7	0	10
Aug 2021	3	5	0	8
Sep 2021	4	4	0	8
Oct 2021	3	22	0	25
Nov 2021	7	14	1	22
Dec 2021	8	4	0	12
Jan 2022	7	4	1	12
Feb 2022	7	6	1	14
Mar 2022	5	5	0	10
Apr 2022	8	3	1	12
May 2022	6	4	0	10
Jun 2022	1	1	0	2
Jul 2022	7	3	0	10
Aug 2022	4	4	0	8
Sep 2022	4	2	0	6
Oct 2022	8	2	1	11
Nov 2022	6	3	0	9
Dec 2022	6	6	0	12
Jan 2023	5	6	0	11
Feb 2023	6	4	0	10
Mar 2023	6	4	0	10
Apr 2023	3	10	0	13
May 2023	5	7	0	12
Jun 2023	6	5	2	13
Jul 2023	4	1	0	5
Aug 2023	2	3	1	6
Sep 2023	4	3	1	8
Oct 2023	3	0	3
Nov 2023	4	0	4
Dec 2023	14	1	0	15
Jan 2024	18	2	0	20
Feb 2024	20	5	0	25
Mar 2024	23	9	2	34
Apr 2024	23	6	2	31
May 2024	22	3	1	26
Jun 2024	48	3	3	54
Jul 2024	20	5	2	27
Aug 2024	38	2	1	41
Sep 2024	21	2	1	24
Oct 2024	21	4	0	25
Nov 2024	23	6	2	31
Dec 2024	15	5	0	20
Jan 2025	26	4	1	31
Feb 2025	22	2	6	30
Mar 2025	26	8	2	36
Apr 2025	20	9	1	30
May 2025	25	5	1	31
Jun 2025	27	8	1	36
Jul 2025	9	6	0	15

Cumulative views and downloads (calculated since 11 Jun 2015)

Month	HTML	PDF	XML	Total
Jun 2015	19	12	1	32
Jul 2015	36	38	0	74
Aug 2015	21	44	0	65
Sep 2015	8	34	0	42
Oct 2015	16	41	0	57
Nov 2015	12	21	0	33
Dec 2015	5	9	0	14
Jan 2016	9	8	1	18
Feb 2016	2	1	0	3
Mar 2016	9	1	0	10
Apr 2016	5	4	0	9
May 2016	3	5	0	8
Jun 2016	2	7	0	9
Jul 2016	4	1	1	6
Aug 2016	1	0	1
Sep 2016	4	0	4
Oct 2016	4	3	1	8
Nov 2016	6	4	0	10
Dec 2016	1	0	1
Jan 2017	2	1	0	3
Feb 2017	2	1	0	3
Mar 2017	11	4	1	16
Apr 2017	10	6	0	16
May 2017	10	4	0	14
Jun 2017	6	2	0	8
Jul 2017	4	1	0	5
Aug 2017	5	3	0	8
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Oct 2017	7	5	0	12
Nov 2017	7	10	1	18
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Jan 2018	5	3	0	8
Feb 2018	18	9	3	30
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Apr 2018	3	3	0	6
May 2018	5	3	0	8
Jun 2018	5	6	1	12
Jul 2018	9	8	0	17
Aug 2018	5	5	0	10
Sep 2018	7	5	0	12
Oct 2018	6	7	0	13
Nov 2018	13	6	0	19
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Jan 2019	9	7	1	17
Feb 2019	11	3	0	14
Mar 2019	9	4	0	13
Apr 2019	7	4	0	11
May 2019	9	5	0	14
Jun 2019	5	8	0	13
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Aug 2019	6	9	0	15
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Oct 2019	8	4	0	12
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Feb 2020	9	8	1	18
Mar 2020	6	5	0	11
Apr 2020	9	5	0	14
May 2020	13	4	1	18
Jun 2020	39	13	1	53
Jul 2020	58	48	41	147
Aug 2020	4	1	5
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Oct 2020	6	6	0	12
Nov 2020	3	5	0	8
Dec 2020	5	2	0	7
Jan 2021	8	7	0	15
Feb 2021	9	4	0	13
Mar 2021	3	4	0	7
Apr 2021	2	4	0	6
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Jun 2021	7	4	0	11
Jul 2021	3	7	0	10
Aug 2021	3	5	0	8
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Oct 2021	3	22	0	25
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Jan 2022	7	4	1	12
Feb 2022	7	6	1	14
Mar 2022	5	5	0	10
Apr 2022	8	3	1	12
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Jun 2022	1	1	0	2
Jul 2022	7	3	0	10
Aug 2022	4	4	0	8
Sep 2022	4	2	0	6
Oct 2022	8	2	1	11
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Jan 2023	5	6	0	11
Feb 2023	6	4	0	10
Mar 2023	6	4	0	10
Apr 2023	3	10	0	13
May 2023	5	7	0	12
Jun 2023	6	5	2	13
Jul 2023	4	1	0	5
Aug 2023	2	3	1	6
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Oct 2023	3	0	3
Nov 2023	4	0	4
Dec 2023	14	1	0	15
Jan 2024	18	2	0	20
Feb 2024	20	5	0	25
Mar 2024	23	9	2	34
Apr 2024	23	6	2	31
May 2024	22	3	1	26
Jun 2024	48	3	3	54
Jul 2024	20	5	2	27
Aug 2024	38	2	1	41
Sep 2024	21	2	1	24
Oct 2024	21	4	0	25
Nov 2024	23	6	2	31
Dec 2024	15	5	0	20
Jan 2025	26	4	1	31
Feb 2025	22	2	6	30
Mar 2025	26	8	2	36
Apr 2025	20	9	1	30
May 2025	25	5	1	31
Jun 2025	27	8	1	36
Jul 2025	9	6	0	15

Latest update: 12 Jul 2025

Short summary

The objective of this study is to evaluate the impact of the decline of agricultural land-use on flood risk and material flux in hilly and mountainous watersheds using Soil Water Assessment Tool. The results indicated that increase of flood risk due to abandonment of agricultural land-use. Furthermore, the abandonment of rice paddy field on steep slope areas may have larger impacts on sediment discharges than cultivated field.