A New Non-Inserted and Portable FDR Instrument for Measuring Surface Soil Water Content
文献类型：期刊论文
| 作者 | Qiao, Yunfeng1,2,3; Zhang, Qiuying4; Li, Fadong1,2,3; Liu, Shanbao1,2,3; Li, Qi4; Du, Kun1,2,3; Zhang, Hao5; Li, Bo5 |
| 刊名 | WATER
 |
| 出版日期 | 2021-10-01 |
| 卷号 | 13期号:19页码:8 |
| 关键词 | adjustable high frequency oscillation frequency domain reflection non-inserted portable instrument soil water content |
| DOI | 10.3390/w13192712 |
| 通讯作者 | Du, Kun(duk.17b@igsnrr.ac.cn) |
| 英文摘要 | Soil water content (SWC) is a vital parameter for understanding crop growth and the soil nutrient water cycle. Monitoring SWC without inserting sensors into the soil, which can break the soil structure, has previously been a significant challenge for scientists. In this study, we developed a non-inserted portable frequency domain reflection (NIP-FDR) instrument to monitor SWC continuously and automatically. The working technique of this instrument was based on the improved adjustable high-frequency oscillation method originating from the frequency domain reflection principle. Compared to the control SWC measurement instrument, the difference in SWC at 0-10 cm, 10-20 cm, and 20-30 cm depth was within 1%, 3%, and 15%, respectively, and the mean variation of SWC was less than 5% in the indoor measurements. In the field verification experiment conducted in the summer of 2020, the mean error of SWC measurements at a depth of 0-20 cm was 5%, while we failed to compare SWC at a depth of 20-30 cm due to low variability in the SWC measurement at this depth during the summer measurement period. This pioneer NIP-FDR was able to effectively monitor surface SWC, especially at depths of 0-20 cm. |
| WOS关键词 | MOISTURE ; RESPIRATION ; MAIZE |
| 资助项目 | National Natural Science Foundation of China[42007155] ; National Natural Science Foundation of China[U2006212] ; National Key Research and Development Program of China[2016YFC0500101] |
| WOS研究方向 | Environmental Sciences & Ecology ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:000765824000001 |
| 出版者 | MDPI |
| 资助机构 | National Natural Science Foundation of China ; National Key Research and Development Program of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/172316]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Du, Kun |
| 作者单位 | 1.Shandong Yucheng Agroecosyst Natl Observat & Res, Minist Sci & Technol, Yucheng 251200, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China 3.Univ Chinese Acad Sci, Coll Resource & Environm, Beijing 100049, Peoples R China 4.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China 5.Oriental Sense Wisdom Zhejiang Technol Co Ltd, Insentek, Hangzhou 311200, Peoples R China |
| 推荐引用方式 GB/T 7714 | Qiao, Yunfeng,Zhang, Qiuying,Li, Fadong,et al. A New Non-Inserted and Portable FDR Instrument for Measuring Surface Soil Water Content[J]. WATER,2021,13(19):8. |
| APA | Qiao, Yunfeng.,Zhang, Qiuying.,Li, Fadong.,Liu, Shanbao.,Li, Qi.,...&Li, Bo.(2021).A New Non-Inserted and Portable FDR Instrument for Measuring Surface Soil Water Content.WATER,13(19),8. |
| MLA | Qiao, Yunfeng,et al."A New Non-Inserted and Portable FDR Instrument for Measuring Surface Soil Water Content".WATER 13.19(2021):8. |
入库方式： OAI收割
来源：地理科学与资源研究所
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