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2021 Vol.63, Issue 6 Preview Page
Analysis of Land Cover Change from Paddy to Upland for the Reservoir Irrigation Districts

토지피복지도를 이용한 저수지 수혜구역 농경지 면적 및 변화 추이 분석

Chaelyn Kwona
,
Jinseok Parkb
,
Seongju Jangc
,
Hyungjin Shind
,
Inhong Songe†
권 채린a
,
박 진석b
,
장 성주c
,
신 형진d
,
송 인홍e†
aUndergraduate Student, Department of Rural Systems Engineering, Seoul National University
bPh.D. Student, Department of Rural Systems Engineering, Seoul National University
cM.S. Student, Department of Rural Systems Engineering, Seoul National University
dAssociate Researcher, Rural Research Institute, Korea Rural Community Corporation
eAssociate Professor, Department of Rural Systems Engineering, Global Smart Farm Convergence Major, Research Institute of Agriculture and Life Sciences, Seoul National University
a서울대학교 농촌시스템공학과 본과생
b서울대학교 농촌시스템공학과 박사과정 학생
c서울대학교 농촌시스템공학과 석사과정
d한국농어촌공사 농촌연구원 부연구원
e서울대학교 농업생명과학연구소 글로벌스마트팜융합전공 농촌시스템공학과 부교수
† Corresponding author Tel.: +82-2-880-4581, Fax: +82-2-873-2087 E-mail: inhongs@snu.ac.kr
2021. pp. 27-37
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Abstract

Conversion of rice paddy field to upland has been accelerated as the central government incentivizes more profitable upland crop cultivation. The objective of this study was to investigate the current status and conversion trend from paddy to upland for the reservoir irrigation districts. Total 605 of reservoir irrigation districts whose beneficiary area is greater than 200 ha were selected for paddy-to-upland conversion analysis using the land cover maps provided by the EGIS of the Ministry of Environment. The land cover data of 2019 was used to analyze up-to-date upland conversion status and its correlation with city proximity, while land cover change between 2007 and 2019 was used for paddy-to-upland conversion trend analysis. Overall 14.8% of the entire study reservoir irrigation area was converted to upland cultivation including greenhouse and orchard areas. Approximately the portion of paddy area was reduced by 17.8% on average, while upland area was increased by 4.9% over the 12 years from 2007 to 2019. This conversion from paddy to upland cultivation was more pronounced in the Gyoenggi and Gyeongsang regions compared to other the Jeolla and Chungcheong provinces. The increase of upland area was also more notable in proximity of the major city. This study findings may assist to identify some hot reservoir districts of the rapid conversion to upland cultivation and thus plan to transition toward upland irrigation system.

Keywords
Land cover change
reservoir irrigation area
paddy
upland
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Information
  • Publisher :The Korean Society of Agricultural Engineers
  • Publisher(Ko) :한국농공학회
  • Journal Title :Journal of Korean Society of Agricultural Engineers
  • Journal Title(Ko) :한국농공학회논문집
  • Volume : 63
  • No :6
  • Pages :27-37
  • Received Date : 2021-08-24
  • Revised Date : 2021-10-21
  • Accepted Date : 2021-10-26
  • DOI :https://doi.org/10.5389/KSAE.2021.63.6.027
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