Application of the Universal Soil Loss Equation (USLE) and GIS to simulate and analyze soil erosion changes in Nam Dong District, Thua Thien Hue Province, during the period from 2013 to 2023
Vol. 133 No. 3C (2024), Original Article
Vol. 133 No. 3C (2024)

Application of the Universal Soil Loss Equation (USLE) and GIS to simulate and analyze soil erosion changes in Nam Dong District, Thua Thien Hue Province, during the period from 2013 to 2023

Original Article
https://doi.org/10.26459/hueunijard.v133i3C.7602
Published 2024-09-30
Pham Gia Tung
International School – Hue University, 1 Dien Bien Phu St., Hue, Vietnam
https://orcid.org/0000-0001-6377-2639
Nguyen Hoang Khanh Linh
International School – Hue University, 1 Dien Bien Phu St., Hue, Vietnam
Nguyen Thu Hang
International School – Hue University, 1 Dien Bien Phu St., Hue, Vietnam
Nguyen Quang Tan
International School – Hue University, 1 Dien Bien Phu St., Hue, Vietnam
Tran Thi Minh Chau
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Nguyen Bich Ngoc
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Nguyen Thuy Phuong
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Pham Van Hien
Hoang Huy Co., Ltd, 275 Le Loi St., Ward 5, Tuy Hoa, Phu Yen, Vietnam

Keywords

huyện Nam Đông
sử dụng đất nông nghiệp
xói mòn đất
USLE agricultural land use
Nam Dong district
soil erosion
USLE

Abstract

This research was conducted in Nam Dong district explore the changes in soil erosion in agricultural land areas from 2013 to 2023 using the Universal Soil Loss Equation and GIS techniques. There are three soil erosion maps for the years 2013, 2018, and 2023 were created based on the USLE formular and the available spatial database. The highest soil erosion rate was found in 2023, while the lowest soil erosion rate was occurred in 2018. Differences in rainfall and coverage coefficients between the years are causes of these variations. Additionally, the result showed that production forest land has the highest soil erosion rate due to the topographical factors because almost this land use type is located in the areas where the slope is over 15°, followed by land for perennial crops, unused land, and land for annual crops.

https://doi.org/10.26459/hueunijard.v133i3C.7602

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