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Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery

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Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery. / Siqueira Junior, Paulo; Naves Silva, Marx; Candido, Bernardo M; Pomar Avalos, Fabio Arnaldo; Velloso Gomes Batista, Pedro; Curi, Nilton; de Lima, Wellington; Quinton, John.

In: Revista Brasileira de Ciência do Solo, Vol. 43, 07.10.2019.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Siqueira Junior, P, Naves Silva, M, Candido, BM, Pomar Avalos, FA, Velloso Gomes Batista, P, Curi, N, de Lima, W & Quinton, J 2019, 'Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery', Revista Brasileira de Ciência do Solo, vol. 43.

APA

Siqueira Junior, P., Naves Silva, M., Candido, B. M., Pomar Avalos, F. A., Velloso Gomes Batista, P., Curi, N., de Lima, W., & Quinton, J. (2019). Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery. Revista Brasileira de Ciência do Solo, 43.

Vancouver

Siqueira Junior P, Naves Silva M, Candido BM, Pomar Avalos FA, Velloso Gomes Batista P, Curi N et al. Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery. Revista Brasileira de Ciência do Solo. 2019 Oct 7;43.

Author

Siqueira Junior, Paulo ; Naves Silva, Marx ; Candido, Bernardo M ; Pomar Avalos, Fabio Arnaldo ; Velloso Gomes Batista, Pedro ; Curi, Nilton ; de Lima, Wellington ; Quinton, John. / Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery. In: Revista Brasileira de Ciência do Solo. 2019 ; Vol. 43.

Bibtex

@article{cc6bf97f2d574c628b94a461c7e899f0,
title = "Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery",
abstract = "The use of Unmanned Aerial Vehicles (UAVs) and Structure from Motion (SfM) techniques can contribute to increase the accessibility, accuracy, and resolution of Digital Elevation Models (DEMs) used for soil erosion monitoring. This study aimed to evaluate the use of four DEMs obtained over a year to monitor erosion processes in an erosion-degraded area, with occurrence of rill and gully erosions, and its correlation with accumulated rainfall during the studied period. The DEMs of Geomorphic Change Detection (GCD) of horizontal and vertical resolutions of 0.10 and 0.06 m were obtained. It was possible to detect events of erosion and deposition volumes of the order of 2 m3, with a volumetric error of ~50 %, in rills and gullies in the initial stage denominated R and GS-I, respectively. Events of the order of 100 m3, with a volumetric error around 14 % were found for advanced gullies, a segment denominated GS-II. In the three studied erosion situations, the deposition volume increased with the accumulated rainfall. The segments R and GS-I presented an inverse relationship between erosion volume and accumulated rainfall during the studied period. This behaviour can be explained by the dynamics of the deposition and erosion volumes during the erosion process. In the GS-II segment, erosion and deposition volumes were proportional and a direct relation with the cumulative rainfall over the studied period and a low percentage of volumetric error were found.",
keywords = "Gully, UAV, digital elevation model, structure-from-motion",
author = "{Siqueira Junior}, Paulo and {Naves Silva}, Marx and Candido, {Bernardo M} and {Pomar Avalos}, {Fabio Arnaldo} and {Velloso Gomes Batista}, Pedro and Nilton Curi and {de Lima}, Wellington and John Quinton",
year = "2019",
month = oct,
day = "7",
language = "English",
volume = "43",
journal = "Revista Brasileira de Ci{\^e}ncia do Solo",
issn = "0100-0683",
publisher = "scielo",

}

RIS

TY - JOUR

T1 - Assessing Water Erosion Processes in Degraded Area Using Unmanned Aerial Vehicle Imagery

AU - Siqueira Junior, Paulo

AU - Naves Silva, Marx

AU - Candido, Bernardo M

AU - Pomar Avalos, Fabio Arnaldo

AU - Velloso Gomes Batista, Pedro

AU - Curi, Nilton

AU - de Lima, Wellington

AU - Quinton, John

PY - 2019/10/7

Y1 - 2019/10/7

N2 - The use of Unmanned Aerial Vehicles (UAVs) and Structure from Motion (SfM) techniques can contribute to increase the accessibility, accuracy, and resolution of Digital Elevation Models (DEMs) used for soil erosion monitoring. This study aimed to evaluate the use of four DEMs obtained over a year to monitor erosion processes in an erosion-degraded area, with occurrence of rill and gully erosions, and its correlation with accumulated rainfall during the studied period. The DEMs of Geomorphic Change Detection (GCD) of horizontal and vertical resolutions of 0.10 and 0.06 m were obtained. It was possible to detect events of erosion and deposition volumes of the order of 2 m3, with a volumetric error of ~50 %, in rills and gullies in the initial stage denominated R and GS-I, respectively. Events of the order of 100 m3, with a volumetric error around 14 % were found for advanced gullies, a segment denominated GS-II. In the three studied erosion situations, the deposition volume increased with the accumulated rainfall. The segments R and GS-I presented an inverse relationship between erosion volume and accumulated rainfall during the studied period. This behaviour can be explained by the dynamics of the deposition and erosion volumes during the erosion process. In the GS-II segment, erosion and deposition volumes were proportional and a direct relation with the cumulative rainfall over the studied period and a low percentage of volumetric error were found.

AB - The use of Unmanned Aerial Vehicles (UAVs) and Structure from Motion (SfM) techniques can contribute to increase the accessibility, accuracy, and resolution of Digital Elevation Models (DEMs) used for soil erosion monitoring. This study aimed to evaluate the use of four DEMs obtained over a year to monitor erosion processes in an erosion-degraded area, with occurrence of rill and gully erosions, and its correlation with accumulated rainfall during the studied period. The DEMs of Geomorphic Change Detection (GCD) of horizontal and vertical resolutions of 0.10 and 0.06 m were obtained. It was possible to detect events of erosion and deposition volumes of the order of 2 m3, with a volumetric error of ~50 %, in rills and gullies in the initial stage denominated R and GS-I, respectively. Events of the order of 100 m3, with a volumetric error around 14 % were found for advanced gullies, a segment denominated GS-II. In the three studied erosion situations, the deposition volume increased with the accumulated rainfall. The segments R and GS-I presented an inverse relationship between erosion volume and accumulated rainfall during the studied period. This behaviour can be explained by the dynamics of the deposition and erosion volumes during the erosion process. In the GS-II segment, erosion and deposition volumes were proportional and a direct relation with the cumulative rainfall over the studied period and a low percentage of volumetric error were found.

KW - Gully

KW - UAV

KW - digital elevation model

KW - structure-from-motion

M3 - Journal article

VL - 43

JO - Revista Brasileira de Ciência do Solo

JF - Revista Brasileira de Ciência do Solo

SN - 0100-0683

ER -