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논문 기본 정보

자료유형
학술저널
저자정보
박진우 (국립산림과학원) 나현섭 (한국임업진흥원) 임종수 (국립산림과학원)
저널정보
한국기후변화학회 한국기후변화학회지 Journal of Climate Change Research Vol.8 No.4
발행연도
2017.12
수록면
329 - 337 (9page)
DOI
10.15531/ksccr.2017.8.4.329

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초록· 키워드

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In this study, land-use changes from 1990 to 2010 in Jeju Island by different approaches were produced and compared to suggest a more efficient approach. In a sample-based method, land-use changes were analyzed with different sampling intensities of 2 ㎞ and 4 ㎞ grids, which were distributed by the fifth National Forest Inventory (NFI5), and their uncertainty was assessed. When comparing the uncertainty for different sampling intensities, the one with the grid of 2 ㎞ provided more precise information; ranged from 6.6 to 31.3% of the relative standard error for remaining land-use categories for 20 years. On the other hand, land-cover maps by a wall-to-wall approach were produced by using time-series Landsat imageries. Forest land increased from 34,194 ㏊ to 44,154 ㏊ for 20 years, where about 69% of total forest land were remained as forest land and 19% and 8% within forest lands were converted to grassland and cropland, respectively. In the case of grassland, only about 40% of which were remained as grassland and most of the area were converted to forest land and cropland. When comparing land-cover area by land-use categories with land-use statistics, forest areas were underestimated while areas of cropland and grassland were overestimated. In order to analyze land use change, it is necessary to establish a clear and consistent definition on the six land use classification.

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ABSTRACT
1. 서론
2. 연구 자료 및 방법
3. 결과 및 고찰
4. 결론
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