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EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER

GUAN Zhi ZHAO Kai SONG Dong-sheng

GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. 中国地理科学, 2006, 16(1): 83-86.
引用本文: GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. 中国地理科学, 2006, 16(1): 83-86.
GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. Chinese Geographical Science, 2006, 16(1): 83-86.
Citation: GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. Chinese Geographical Science, 2006, 16(1): 83-86.

EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER

基金项目: null
详细信息
    作者简介:

    GUAN Zhi(1978- ),female,a native of Changchun of Jilin Province,Ph.D.candidate,specialized in GPS Bistatic Radar Remote Sensing.E-mail:ccguanz@neigae.ac.cn.

  • 中图分类号: TP79

EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER

Funds: null
计量
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  • 被引次数: 0
出版历程
  • 收稿日期:  2005-09-27
  • 刊出日期:  2006-03-20

EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER

    基金项目:  null
    作者简介:

    GUAN Zhi(1978- ),female,a native of Changchun of Jilin Province,Ph.D.candidate,specialized in GPS Bistatic Radar Remote Sensing.E-mail:ccguanz@neigae.ac.cn.

  • 中图分类号: TP79

摘要: An experiment of measuring soil moisture was carried out by using dual-frequency microwave radiometer designed by the authors. The measured data were analyzed by using statistical regression method and the empirical regression model of retrieving soil moisture in L-band and C-band was developed. The soil moisture in a rainfall event was retrieved using the experiential regression model, which is consistent well with the field sampling value. The results show that when soil moisture is lower than 75%, the brightness temperature is linear with soil moisture. However, when soil moisture is higher than 75%, the brightness temperature is not linear with soil moisture, so it is difficult for microwave radiometer to measure the changes of soil moisture. The experiment verifies the effectiveness and feasibility of microwave remote sensing soil moisture. Although this method for linear regression based on the data measured with the radiometer is simple, and has strong adaptability, generally it has only local application value, and lacks universal applicability for different areas and different conditions.

English Abstract

GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. 中国地理科学, 2006, 16(1): 83-86.
引用本文: GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. 中国地理科学, 2006, 16(1): 83-86.
GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. Chinese Geographical Science, 2006, 16(1): 83-86.
Citation: GUAN Zhi, ZHAO Kai, SONG Dong-sheng. EXPERIMENTAL STUDY ON SOIL MOISTURE USING DUAL-FREQUENCY MICROWAVE RADIOMETER[J]. Chinese Geographical Science, 2006, 16(1): 83-86.

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