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Development and Assessment of Watershed Management Indicators Using the Budyko Framework Parameter

1
Department of Rural Systems Engineering, Seoul National University, Seoul 08826, Korea
2
Graduate School of International Agricultural Technology & Institutes of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, Korea
3
Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
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Department of Agricultural and Biological Engineering & Tropical Research and Education Center, University of Florida, Homestead, FL 33031, USA
5
Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, Institutes of Green Bio Science and Technology, Seoul National University, Seoul 08826, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Andrzej Wałęga
Sustainability 2021, 13(7), 3864; https://0-doi-org.brum.beds.ac.uk/10.3390/su13073864
Received: 20 February 2021 / Revised: 26 March 2021 / Accepted: 26 March 2021 / Published: 31 March 2021
(This article belongs to the Special Issue Advanced Hydrological Modeling in Agricultural Engineering)
This study aims to introduce the Budyko curve’s parameter (w) as a watershed quality indicator and establish criteria. Basin-specific (w) was calculated in 183 watersheds based on land use in 2013. Weather data and runoff data were used, and runoff data were calculated using Hydrological Simulation Program-Fortran (HSPF). An estimation model was developed to estimate the w of the unmeasured watershed, and the R2 of the developed model was 0.917, showing that the modeled value was reliable. A cluster analysis between basin-specific w and impervious area ratio in 2013 was performed to classify watershed quality. w was classified into four grades according to the dendrogram and impervious cover model. Watershed quality in 1975 and 2013 was evaluated using the developed indicators and criteria. The quality grades of 30 watersheds deteriorated, and the deteriorated watershed increased built-up and decreased forest and grass. To evaluate the indicators’ applicability, the low impact development (LID) method was applied to HSPF to confirm the indicator and criteria changes. It showed that the watershed to which LID was applied has improved indicator and reduced grade. The indicator developed in this study is expected to be useful for watershed quality assessment and analysis of improvement effects according to watershed management. View Full-Text
Keywords: watershed management; hydrological indicator; budyko framework; watershed quality watershed management; hydrological indicator; budyko framework; watershed quality
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MDPI and ACS Style

Kim, K.; Kim, H.; Lee, H.; Jun, S.-M.; Hwang, S.; Song, J.-H.; Kang, M.-S. Development and Assessment of Watershed Management Indicators Using the Budyko Framework Parameter. Sustainability 2021, 13, 3864. https://0-doi-org.brum.beds.ac.uk/10.3390/su13073864

AMA Style

Kim K, Kim H, Lee H, Jun S-M, Hwang S, Song J-H, Kang M-S. Development and Assessment of Watershed Management Indicators Using the Budyko Framework Parameter. Sustainability. 2021; 13(7):3864. https://0-doi-org.brum.beds.ac.uk/10.3390/su13073864

Chicago/Turabian Style

Kim, Kyeung, Hakkwan Kim, Hyunji Lee, Sang-Min Jun, Soonho Hwang, Jung-Hun Song, and Moon-Seong Kang. 2021. "Development and Assessment of Watershed Management Indicators Using the Budyko Framework Parameter" Sustainability 13, no. 7: 3864. https://0-doi-org.brum.beds.ac.uk/10.3390/su13073864

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