| Detection of soil temperature and its relationship with moisture content |
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| DOI：10.7606/j.issn.1000-7601.2013.03.15 |
| Key Words: thermal infrared imager soil temperature soil water content correlation analysis |
| Author Name | Affiliation | | LIU Fe | College of Mechanical and Electronic Engineering,Northwest A&F University, Yangling, Shaanxi 712100, China | | CHEN Jun | College of Mechanical and Electronic Engineering,Northwest A&F University, Yangling, Shaanxi 712100, China | | MU Junying | College of Mechanical and Electronic Engineering,Northwest A&F University, Yangling, Shaanxi 712100, China | | WU Pengtao | College of Mechanical and Electronic Engineering,Northwest A&F University, Yangling, Shaanxi 712100, China | | HAN Wenting | Institute of Water Saving Agrieulture in Area Regions of China, Northuest A&F University, Yangling, Shannxi 712100, China |
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| Abstract: |
| In attempt to remotely monitor soil moisture and explore relationship of soil temperature and soil moisture
content, the IRI1011 thermal infrared imager was used to measure soil temperature at different depth ineluding0~5 cm、
0~10 cm、0~15 cm、0~20 cm in a small area range in this paper. Relationship between soil temperature and soil mois-
ture content was further analyzed. Results showed that correlation coefficient R2 between average
soil moisture content and temperature in depth from 0 to 20 cm was 0.658. Soil temperature was measured at different times of the day, and results showed that, at noon, correlation coefficient R2 between moisture content of surface soil and temperature was 0.794, under the condition that there was no obvious changes in exteral environment. |
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