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2026 Vol.13, Issue 1 Preview Page

Original Article

Carbon Storage Characteristics of Urban Park Trees in an Estuarine New Town: A Case Study of the Busan Nakdong River Estuary Eco-Delta City

하구역 신도시에 조성된 도시공원의 수목 탄소저장량 특성 연구 -부산 낙동강 하구역 에코델타시티를 사례로-

Yu Jin Kim1
,
Gwon-Soo Bahn2*
김 유진1
,
반 권수2*
1Master Course, Department of Urban Planning and Landscape Architecture, Dong-A University, Busan 49315, Korea
2Professor, Department of Urban Planning and Landscape Architecture, Dong-A University, Busan 49315, Korea
1동아대학교 대학원 도시계획조경학과 석사과정
2동아대학교 디자인환경대학 조경학과 교수
*Corresponding Author
31 March 2026. pp. 60-74
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Abstract

This study quantified tree carbon storage in two newly established urban parks located in the Nakdong River estuary within Busan Eco-Delta City and examined how park type and initial planting structure influence early-stage carbon storage. The study sites were Waterfront Park No. 4 and Neighborhood Park No. 5, both developed since 2023 and representing approximately one to two years after establishment. A complete inventory survey was conducted for all overstory trees, recording species, evergreen or deciduous type, transplanting status, and diameter at breast height. Carbon storage was primarily estimated using allometric equations provided by the National Institute of Forest Science, incorporating basic wood density, biomass expansion factors, an urban conversion factor, a root-to-shoot ratio, and a carbon fraction to derive total carbon storage including aboveground and belowground biomass. Carbon storage was also estimated using the i-Tree Eco model based on the same dataset to provide complementary interpretation. Transplanted trees were excluded from the final analysis, and shrubs, herbaceous vegetation, and soil carbon were outside the study scope. The National Institute of Forest Science approach estimated total carbon storage of 30.60 tons of carbon for Waterfront Park No. 4 and 24.67 tons of carbon for Neighborhood Park No. 5, with carbon storage density of 3.35 and 9.02 tons of carbon per hectare, respectively. Results indicate that early-stage estuarine new-town parks can exhibit meaningful carbon storage, but carbon storage density is strongly influenced by park type and initial diameter distribution, highlighting the importance of context-specific planting and management strategies for long-term climate mitigation.

Keywords
Carbon storage
Estuarine new town
i-Tree Eco
Planting structure
Urban park

본 연구는 낙동강 하구역에 위치한 부산 에코델타시티 내 조성 초기 도시공원 2개소를 대상으로 교목층 수목의 탄소저장량을 정량화하고, 공원 유형과 초기 식재 구조가 탄소저장에 미치는 영향을 분석하였다. 대상지는 2023년 이후 조성된 제4호 수변공원과 제5호 근린공원으로, 조성 후 약 1–2년 이내의 초기 도시공원에 해당한다. 두 공원의 교목 전체를 대상으로 수종, 성상, 규격 등을 조사 후, 탄소저장량은 국립산림과학원의 상대생장식을 적용하여 지상부와 지하부를 포함한 총 탄소저장량을 산정하였으며 i-Tree Eco 모형을 적용하여 결과 해석을 보완하였다. 분석 결과, 수변공원은 30.60 ton C, 근린공원은 24.67 ton C로 산정되었고, 단위면적당 탄소저장량은 각각 3.35 및 9.02 ton C ha-1로 나타났다. 단위면적당 수목의 탄소저장량은 선행 연구에서 분석된 도시공원 대비 70% 이하의 수준으로 하구역이라는 입지적 환경 조건, 공원 유형과 조성 초기 직경 분포에 따른 영향으로 판단되며, 장기적 기후완화 기능 강화를 위해 입지 환경의 적합성, 탄소흡수능력이 우수한 수종 선정 및 맥락을 고려한 식재 및 관리 전략이 필요함을 시사한다.

키워드
탄소저장
하구역 신도시
i-Tree Eco
식재구조
도시공원
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Information
  • Publisher :Korean Society of Ecology and Infrastructure Engineering
  • Publisher(Ko) :응용생태공학회
  • Journal Title :Ecology and Resilient Infrastructure
  • Journal Title(Ko) :응용생태공학회 논문집
  • Volume : 13
  • No :1
  • Pages :60-74
  • Received Date : 2026-02-22
  • Revised Date : 2026-03-12
  • Accepted Date : 2026-03-12
  • DOI :https://doi.org/10.17820/eri.2026.13.1.060
Journal Informaiton Ecology and Resilient Infrastructure Ecology and Resilient Infrastructure
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