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Jooyoung Park
Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul 02841, Korea

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Journal article
Published: 13 April 2020 in Sustainability
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The Hawaiian Islands form a holarchic system with at least five nested layers (holons) at increasing spatial scales: from a single enterprise to cities, to individual islands, to the archipelago (the group of islands), and to the global resource base that connects them all. Each holonic layer operates individually but is also linked to holons at lower and higher levels by material input and output flows. An integrated study of the holarchic system allows us to explore the value of applying this concept to industrial ecology. We present examples from a multi-level material flow analysis combining a large quantity of material and energy flow data for Hawaii from the five holarchic levels. Our analysis demonstrates how a holarchic approach to the study of selected interacting systems can reveal features and linkages of their metabolism not otherwise apparent and can provide a novel basis for discovering material, energy, and societal connections.

ACS Style

Marian R. Chertow; Thomas E. Graedel; Koichi S. Kanaoka; Jooyoung Park. The Hawaiian Islands: Conceptualizing an Industrial Ecology Holarchic System. Sustainability 2020, 12, 3104 .

AMA Style

Marian R. Chertow, Thomas E. Graedel, Koichi S. Kanaoka, Jooyoung Park. The Hawaiian Islands: Conceptualizing an Industrial Ecology Holarchic System. Sustainability. 2020; 12 (8):3104.

Chicago/Turabian Style

Marian R. Chertow; Thomas E. Graedel; Koichi S. Kanaoka; Jooyoung Park. 2020. "The Hawaiian Islands: Conceptualizing an Industrial Ecology Holarchic System." Sustainability 12, no. 8: 3104.

Journal article
Published: 10 January 2020 in Resources, Conservation and Recycling
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As climatic and societal changes increase the prominence of water insecurity, sustainable urban water management focusing on water efficiency and reuse is an increasingly significant issue in Korea and elsewhere. This study uses the urban water metabolism framework to examine patterns of water flows in urbanized areas and evaluate water management performance in three Korean regions: Seoul (a metropolitan city), Ulsan (an industrial city), and Jeju (an urbanized agricultural province). Constructed water metabolism models showed distinct water use patterns and performance across each region in 2015. Seoul largely relied on surface water, while the residential sector’s dominant use of water implies high greywater use and wastewater recycling potential. Ulsan relied on abstracting river water, with lower water availability of the river making Ulsan’s water system less self-sustaining and more vulnerable to climatic risks than Seoul’s. Facing higher water use intensity due to high industrial demand, Ulsan actively promotes industrial wastewater recycling. Jeju showed the highest water use intensity because of the presence of intensive agricultural activities. Nonetheless, Jeju sourced 76% of its water from internal sources, with its water system considered to be the most self-sustaining. These results suggest that the water metabolism framework helps facilitate more holistic understandings and evaluations of the water performance of cities.

ACS Style

Seongpil Jeong; Jooyoung Park. Evaluating urban water management using a water metabolism framework: A comparative analysis of three regions in Korea. Resources, Conservation and Recycling 2020, 155, 104597 .

AMA Style

Seongpil Jeong, Jooyoung Park. Evaluating urban water management using a water metabolism framework: A comparative analysis of three regions in Korea. Resources, Conservation and Recycling. 2020; 155 ():104597.

Chicago/Turabian Style

Seongpil Jeong; Jooyoung Park. 2020. "Evaluating urban water management using a water metabolism framework: A comparative analysis of three regions in Korea." Resources, Conservation and Recycling 155, no. : 104597.

Journal article
Published: 10 July 2019 in Sustainability
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Al2O3/SiNx stack passivation layers are among the most popular layers used for commercial silicon solar cells. In particular, aluminum oxide has a high negative charge, while the SiNx film is known to supply hydrogen as well as impart antireflective properties. Although there are many experimental results that show that the passivation characteristics are lowered by using the stack passivation layer, the cause of the passivation is not yet understood. In this study, we investigated the passivation characteristics of Al2O3/SiNx stack layers. To identify the hydrogenation effect, we analyzed the hydrogen migration with atom probe tomography by comparing the pre-annealing and post-annealing treatments. For chemical passivation, capacitance-voltage measurements were used to confirm the negative fixed charge density due to heat treatment. Moreover, the field-effect passivation was understood by confirming changes in the Al2O3 structure using electron energy-loss spectroscopy.

ACS Style

Ji Yeon Hyun; Soohyun Bae; Yoon Chung Nam; DongKyun Kang; Sang-Won Lee; Donghwan Kim; Jooyoung Park; Yoonmook Kang; Hae-Seok Lee. Surface Passivation of Boron Emitters on n-Type Silicon Solar Cells. Sustainability 2019, 11, 3784 .

AMA Style

Ji Yeon Hyun, Soohyun Bae, Yoon Chung Nam, DongKyun Kang, Sang-Won Lee, Donghwan Kim, Jooyoung Park, Yoonmook Kang, Hae-Seok Lee. Surface Passivation of Boron Emitters on n-Type Silicon Solar Cells. Sustainability. 2019; 11 (14):3784.

Chicago/Turabian Style

Ji Yeon Hyun; Soohyun Bae; Yoon Chung Nam; DongKyun Kang; Sang-Won Lee; Donghwan Kim; Jooyoung Park; Yoonmook Kang; Hae-Seok Lee. 2019. "Surface Passivation of Boron Emitters on n-Type Silicon Solar Cells." Sustainability 11, no. 14: 3784.

Journal article
Published: 11 October 2018 in Sustainability
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Industrial symbiosis refers to a collaborative strategy of exchanging physical resources and sharing services among industrial actors, which enhances the resource efficiency and reduces the environmental impacts of industrial operations within the network. Although it can contribute to sustainable development in emerging economies, few studies have examined the dynamics of industrial symbiosis in such regions. We initiated a capacity-building pilot program for industrial symbiosis in Colombia and formulated 20 industrial symbiosis projects with 36 companies. Based on our experience over the first year, we conducted an exploratory case study of the mechanisms that facilitate the development of industrial symbiosis. Specifically, we analyzed the nature of this facilitation and how its activities influence the key determining factors of industrial symbiosis in technical, economic, organizational, social, and institutional categories. Our facilitation approach focused on identifying opportunities and building capacity for industrial symbiosis innovation by influencing mainly the organizational and social factors. The facilitation approach requires further adjustments and experimentation to expand industrial symbiosis and to ensure the eventual implementation of these projects. This study contributes to the understanding of management perspectives of industrial symbiosis development in the context of an emerging economy.

ACS Style

Jooyoung Park; Juanita Duque-Hernández; Nohora Díaz-Posada. Facilitating Business Collaborations for Industrial Symbiosis: The Pilot Experience of the Sustainable Industrial Network Program in Colombia. Sustainability 2018, 10, 3637 .

AMA Style

Jooyoung Park, Juanita Duque-Hernández, Nohora Díaz-Posada. Facilitating Business Collaborations for Industrial Symbiosis: The Pilot Experience of the Sustainable Industrial Network Program in Colombia. Sustainability. 2018; 10 (10):3637.

Chicago/Turabian Style

Jooyoung Park; Juanita Duque-Hernández; Nohora Díaz-Posada. 2018. "Facilitating Business Collaborations for Industrial Symbiosis: The Pilot Experience of the Sustainable Industrial Network Program in Colombia." Sustainability 10, no. 10: 3637.