지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.8
- 수록면
- 237 - 244 (8page)
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Radar remote sensing is appropriate for monitoring rice because the areas where this crop is cultivated are often cloudy and rainy. Especially, Synthetic Aperture Radar (SAR) can acquire remote sensing information with a high temporal resolution in tropical and subtropical regions due to its all-weather capability. This paper analyzes the relationships between backscattering coefficients of rice measured by RADARSAT-2 SAR and growth parameters during a rice growth period. We examined the temporal variations of backscattering coefficients with full polarization. Backscattering coefficients for all polarizations increased until Day Of Year (DOY 222) and then decreased along with Leaf Area Index (LAI), fresh weight, and Vegetation Water Content (VWC). Vertical transmit and Vertical receive polarization (VV)-polarization backscattering coefficients were higher than Horizontal transmit and Horizontal receive polarization (HH)-polarization backscattering coefficients in early rice growth stage and HH-polarization backscattering coefficients were higher than VV-polarization backscattering coefficients after effective tillering stage (DOY 186). Correlation analysis between backscattering coefficients and rice growth parameters revealed that HH-polarization was highly correlated with LAI, fresh weight, and VWC. Based on the observed relationships between backscattering coefficients and variables of cultivation, prediction equations were developed using the HH-polarization backscattering coefficients.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (13)
참고문헌 신청
1. [학술지(정기간행물)] - Bouvet, A. / 2009 / Monitoring of the rice cropping system in the Mekong Delta using ENVISAT/ASAR dual polarization data / IEEE Trans. Geosci. Remote Sens 47 : 517 ~ 526
2. [학술지(정기간행물)] - Bouvet, A. / 2011 / Use of ENVISAT/ASAR wide-swath data for timely rice fields mapping in the Mekong River Delta / Remote Sens. Environ 115 (4) : 1090 ~ 1101
3. [학술지(정기간행물)] - Chakraborty, M. / 2005 / Rice crop parameter retrieval using multi-temporal, multi-incidence angle Radarsat SAR data / ISPRS J Photogramm Remote Sens 59 (5) : 310 ~ 322
4. [학술지(정기간행물)] - Chen, J. / 2007 / Application of ENVISAT ASAR data in mapping rice crop growth in Southern China / IEEE Geosci. Remote Sens. Lett 4 : 431 ~ 435
5. [학술지(정기간행물)] - Gao, B. C. / 1995 / Retrieval of equivalent water thickness and information related to biochemical components of vegetation canopies from AVIRIS data / Remote Sens. Environ 52 : 155 ~ 162
2. [학술지(정기간행물)] - Bouvet, A. / 2011 / Use of ENVISAT/ASAR wide-swath data for timely rice fields mapping in the Mekong River Delta / Remote Sens. Environ 115 (4) : 1090 ~ 1101
3. [학술지(정기간행물)] - Chakraborty, M. / 2005 / Rice crop parameter retrieval using multi-temporal, multi-incidence angle Radarsat SAR data / ISPRS J Photogramm Remote Sens 59 (5) : 310 ~ 322
4. [학술지(정기간행물)] - Chen, J. / 2007 / Application of ENVISAT ASAR data in mapping rice crop growth in Southern China / IEEE Geosci. Remote Sens. Lett 4 : 431 ~ 435
5. [학술지(정기간행물)] - Gao, B. C. / 1995 / Retrieval of equivalent water thickness and information related to biochemical components of vegetation canopies from AVIRIS data / Remote Sens. Environ 52 : 155 ~ 162
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UCI(KEPA) : I410-ECN-0101-2014-520-002466106