지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
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The objective of this study is to evaluate the applicability of Communication, Ocean, and Meteorological Satellite (COMS)Geostationary Ocean Color Imager (GOCI) vegetation indices on a quantitative analysis. For evaluation, the vegetation indices suchas RVI, NDVI and SAVI were extracted by using COMS GOCI and Terra Moderate Resolution Imaging Spectroradiometer (MODIS)imageries. The 4,000 points using simple random sampling (SRS) method were randomly extracted from land areas except ocean tocompare the vegetation indices from two images. The results of linear regression showed that the regression coefficients of RVI,NDVI, and SAVI between COMS GOCI and Terra MODIS were 0.66～0.82, 0.71～0.83, and 0.71～0.83, respectively. Especially,the regression coefficients of RVI (r＝0.85), NDVI (r＝0.91) and SAVI (r＝0.91) were strongly related from September 2011 toJanuary 2012. Thus, COMS GOCI can be substituted for particular periods and it needs to verify additionally.
목차
등록된 정보가 없습니다.
참고문헌 (20)
참고문헌 신청
Gitelson, A. A. / 1998 / MODIS NDVI optimization to fit the AVHRR data series spectral consi-derations / Remote Sensing of Environment 66 : 343 ~ 350
Goetz, S. J. / 1997 / Multi-sensor analysis of NDVI, surface temperature and biophysical variables at a mixed grassland site / International Journal of Remote Sensing 18 : 71
Guyot, G. / 1994 / Effect of radiometric corrections on NDVI determined from SPOT HRV and Landsat TM data / Remote Sensing of Environment 49 : 169 ~ 180
Hird, J. N. / 2009 / Noise reduction of NDVI time series : An empirical comparison of selected techniques / Remote Sensing of Environment 113 : 248 ~ 258
Huete, A. R. / 1988 / A Soil Adjusted Vegetation Index (SAVI) / Remote Sensing of Environment 25 (3) : 295 ~ 309
Goetz, S. J. / 1997 / Multi-sensor analysis of NDVI, surface temperature and biophysical variables at a mixed grassland site / International Journal of Remote Sensing 18 : 71
Guyot, G. / 1994 / Effect of radiometric corrections on NDVI determined from SPOT HRV and Landsat TM data / Remote Sensing of Environment 49 : 169 ~ 180
Hird, J. N. / 2009 / Noise reduction of NDVI time series : An empirical comparison of selected techniques / Remote Sensing of Environment 113 : 248 ~ 258
Huete, A. R. / 1988 / A Soil Adjusted Vegetation Index (SAVI) / Remote Sensing of Environment 25 (3) : 295 ~ 309
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