Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean Peninsula

Climate change has inherent multidisciplinary characteristics, and predicting the future of a single field of work has a limit. Therefore, this study proposes a water-centric nexus approach for the agriculture and forest sectors for improving the response to climate change in the Korean Peninsula. T...

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Main Author: Chul-Hee Lim
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/11/8/1657
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author Chul-Hee Lim
author_facet Chul-Hee Lim
author_sort Chul-Hee Lim
collection DOAJ
description Climate change has inherent multidisciplinary characteristics, and predicting the future of a single field of work has a limit. Therefore, this study proposes a water-centric nexus approach for the agriculture and forest sectors for improving the response to climate change in the Korean Peninsula. Two spatial models, i.e., Environmental Policy Integrated Climate and Integrated Valuation of Ecosystem Services and Tradeoffs, were used to assess the extent of changes in agricultural water demand, forest water supply, and their balance at the watershed level in the current and future climatic conditions. Climate changed has increased the agricultural water demand and forest water supply significantly in all future scenarios and periods. Comparing the results with RCP8.5 2070s and the baseline, the agricultural water demand and forest water supply increased by 35% and 28%, respectively. Water balance assessment at the main watershed level in the Korean Peninsula revealed that although most scenarios of the future water supply increases offset the demand growth, a risk to water balance exists in case of a low forest ratio or smaller watershed. For instance, the western plains, which are the granary regions of South and North Korea, indicate a higher risk than other areas. These results show that the land-use balance can be an essential factor in a water-centric adaptation to climate change. Ultimately, the water-centric nexus approach can make synergies by overcoming increasing water demands attributable to climate change.
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spelling doaj.art-f9291a35438f4ee88a5c28e3223c977c2023-11-22T06:27:08ZengMDPI AGAgronomy2073-43952021-08-01118165710.3390/agronomy11081657Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean PeninsulaChul-Hee Lim0College of General Education, Kookmin University, 77 Jeongneungro, Seongbukgu, Seoul 02707, KoreaClimate change has inherent multidisciplinary characteristics, and predicting the future of a single field of work has a limit. Therefore, this study proposes a water-centric nexus approach for the agriculture and forest sectors for improving the response to climate change in the Korean Peninsula. Two spatial models, i.e., Environmental Policy Integrated Climate and Integrated Valuation of Ecosystem Services and Tradeoffs, were used to assess the extent of changes in agricultural water demand, forest water supply, and their balance at the watershed level in the current and future climatic conditions. Climate changed has increased the agricultural water demand and forest water supply significantly in all future scenarios and periods. Comparing the results with RCP8.5 2070s and the baseline, the agricultural water demand and forest water supply increased by 35% and 28%, respectively. Water balance assessment at the main watershed level in the Korean Peninsula revealed that although most scenarios of the future water supply increases offset the demand growth, a risk to water balance exists in case of a low forest ratio or smaller watershed. For instance, the western plains, which are the granary regions of South and North Korea, indicate a higher risk than other areas. These results show that the land-use balance can be an essential factor in a water-centric adaptation to climate change. Ultimately, the water-centric nexus approach can make synergies by overcoming increasing water demands attributable to climate change.https://www.mdpi.com/2073-4395/11/8/1657water-centric nexusclimate change adaptationagricultural water demandforest water supplywatershed
spellingShingle Chul-Hee Lim
Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean Peninsula
Agronomy
water-centric nexus
climate change adaptation
agricultural water demand
forest water supply
watershed
title Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean Peninsula
title_full Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean Peninsula
title_fullStr Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean Peninsula
title_full_unstemmed Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean Peninsula
title_short Water-Centric Nexus Approach for the Agriculture and Forest Sectors in Response to Climate Change in the Korean Peninsula
title_sort water centric nexus approach for the agriculture and forest sectors in response to climate change in the korean peninsula
topic water-centric nexus
climate change adaptation
agricultural water demand
forest water supply
watershed
url https://www.mdpi.com/2073-4395/11/8/1657
work_keys_str_mv AT chulheelim watercentricnexusapproachfortheagricultureandforestsectorsinresponsetoclimatechangeinthekoreanpeninsula