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
이 논문의 연구 히스토리 (3)
2014
Estimation of Soil Moisture Content in Corn Field Using Microwave Scatterometer Data
Yihyun Kim
,
Sukyoung Hong
,
Kyoungdo Lee
외 2명
한국토양비료학회지
2014.08
학술저널
Estimation of Soil Moisture Content in Corn Field Using L-, C-, X-Band Scatterometer Data
Yihyun Kim
,
Sukyoung Hong
,
Kyoungdo Lee
외 1명
한국토양비료학회 학술발표회 초록집
2014.06
학술대회자료
Estimation of Corn Growth by Radar Scatterometer Data
Yihyun Kim
,
Sukyoung Hong
,
Kyoungdo Lee
외 2명
한국토양비료학회지
2014.04
학술저널
- 이 논문의 후속연구가 궁금하신가요?
- 연관 학술논문 또는 학술발표를 통해 보다 발전된 연구결과를 확인하실 수 있습니다.
- 이 논문의 연구 히스토리 확인하기
초록· 키워드
오류제보하기
Ground-based polarimetric scatterometers have been effective tools to monitor the growth of crop with multi-polarization and frequencies and various incident angles. An important advantage of these systems that can be exploited is temporal observation of a specific crop target. Polarimetric backscatter data at L-, C- and X-bands were acquired every 10 minutes. We analyzed the relationships between L-, C- and X-band signatures, biophysical measurements over the whole corn growth period. The Vertical transmit and Vertical receive polarization (VV) backscattering coefficients for all bands were greater than those of the Horizontal transmit and Horizontal receive polarization (HH) until early-July, and then thereafter HH-polarization was greater than VV-polarization or Horizontal transmit and Vertical receive polarization (HV) until the harvesting stage (Day Of Year, DOY 240). The results of correlation analysis between the backscattering coefficients for all bands and corn growth data showed that L-band HH-polarization (L-HH) was the most suited for monitoring the fresh weight (r=0.95***), dry weight (r=0.95***), leaf area index (r=0.86**), and vegetation water content (r=0.93***). Retrieval equations were developed for estimating corn growth parameters using L-HH. The results indicated that L-HH could be used for estimating the vegetation biophysical parameters considered here with high accuracy. Those results can be useful in determining frequency and polarization of satellite Synthetic Aperture Radar stem and in designing a future ground-based microwave system for a long-term monitoring of corn.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (18)
참고문헌 신청
1. [학술지(정기간행물)] - Brakke, T.W. / 1981 / Microwave response to canopy moisture, leaf area index, and dry weight of wheat, corn and sorghum / Remote Sens. Environ 11 : 207 ~ 220
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)] - Chen, C. / 2006 / A neural network integrated approach for rice crop monitoring / Int. J. Remote Sens 27 : 1367 ~ 1393
4. [학술지(정기간행물)] - Denmead, O.T. / 1960 / The effects of soil moisture stress at different stages of growth on the development and yield of corn / Agron. J 52 (5) : 272 ~ 274
5. [학술지(정기간행물)] - Inoue, Y. / 2002 / Season-long daily measurements of multi-frequency (Ka, Ku, X, C, and L) and full-polarization backscatter signatures over paddy rice field and their relationship with biological variables / Remote Sens. Environ 81 : 194 ~ 204
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)] - Chen, C. / 2006 / A neural network integrated approach for rice crop monitoring / Int. J. Remote Sens 27 : 1367 ~ 1393
4. [학술지(정기간행물)] - Denmead, O.T. / 1960 / The effects of soil moisture stress at different stages of growth on the development and yield of corn / Agron. J 52 (5) : 272 ~ 274
5. [학술지(정기간행물)] - Inoue, Y. / 2002 / Season-long daily measurements of multi-frequency (Ka, Ku, X, C, and L) and full-polarization backscatter signatures over paddy rice field and their relationship with biological variables / Remote Sens. Environ 81 : 194 ~ 204
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UCI(KEPA) : I410-ECN-0101-2015-520-001448299