Estimating and mapping of soil organic matter content in a typical river basin of the Qinghai-Tibet Plateau
文献类型：期刊论文
| 作者 | Yu, Qing1,2; Lu, Hongwei1; Feng, Wei1,2; Yao, Tianci1,2 |
| 刊名 | GEOCARTO INTERNATIONAL
 |
| 出版日期 | 2021-01-09 |
| 页码 | 20 |
| ISSN号 | 1010-6049 |
| 关键词 | Soil organic matter land parameters spatial mapping reflectance spectroscopy content estimation |
| DOI | 10.1080/10106049.2021.1871667 |
| 通讯作者 | Lu, Hongwei(luhw@igsnrr.ac.cn) |
| 英文摘要 | Spectroscopy is a fast, non-destructive, and cheap method, which has been widely used in the estimation of soil organic matter (SOM) concentration. This study presented a methodology to estimate and map SOM content by crop canopy reflectance spectra combining with land parameters in the Yarlung Zangbo River (YZR) basin. The reflectance spectra of the oat canopy were collected in the field, and then were processed by savitzky-golay filtering (S-G), continuous removal (CR), and first derivative of reflectivity (FDR). The principal components were extracted from the processed spectral data. Land parameters such as elevation, slope, NDVI, and land surface temperature (LST) were selected to establish 18 models to estimate SOM content. The results showed that the estimation accuracy of SOM content could be improved by combining crop canopy reflectance spectra with land parameters. FDR-BPNN model with land parameters had the best estimation effect (R-2 = 0.973, MAE = 0.847 g.kg(-1)). |
| 资助项目 | Strategic Priority Research Program of the Chinese Academy of Sciences[XDA20040301] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK1003] ; National Key Research and Development Program of China[2019YFC0507801] |
| WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology |
| 语种 | 英语 |
| 出版者 | TAYLOR & FRANCIS LTD |
| WOS记录号 | WOS:000608887600001 |
| 资助机构 | Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Program of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/136856]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Lu, Hongwei |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yu, Qing,Lu, Hongwei,Feng, Wei,et al. Estimating and mapping of soil organic matter content in a typical river basin of the Qinghai-Tibet Plateau[J]. GEOCARTO INTERNATIONAL,2021:20. |
| APA | Yu, Qing,Lu, Hongwei,Feng, Wei,&Yao, Tianci.(2021).Estimating and mapping of soil organic matter content in a typical river basin of the Qinghai-Tibet Plateau.GEOCARTO INTERNATIONAL,20. |
| MLA | Yu, Qing,et al."Estimating and mapping of soil organic matter content in a typical river basin of the Qinghai-Tibet Plateau".GEOCARTO INTERNATIONAL (2021):20. |
入库方式： OAI收割
来源：地理科学与资源研究所
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