Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/S1002-0160(17)60478-8 |
Information extraction and dynamic evaluation of soil salinization with a remote sensing method in a typical county on the Huang-Huai-Hai Plain of China | |
Zhang, Xiaoguang; Huang, Biao; Liu, Feng | |
通讯作者 | Huang, B |
来源期刊 | PEDOSPHERE
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ISSN | 1002-0160 |
EISSN | 2210-5107 |
出版年 | 2020 |
卷号 | 30期号:4页码:496-507 |
英文摘要 | Monitoring the dynamics of soil salinization is of great importance for agricultural production. This study selected Yucheng County, a typical county on the Huang-Huai-Hai Plain (HHHP) of China, as the study area and evaluated the spatial and temporal variation of soil salinization. Three methods, consisting of principal component analysis (PCA) transformation, tasseled cap (TC) transformation, and optimal band combination (OBC), were used to extract information from an early Landsat multispectral scanner (MSS) image from 1984, and their advantages were compared. In addition, OBC was used on a thematic mapper (TM) image from 2009. An iteratively self-organizing data analysis algorithm was used together with prior knowledge of likely classifications to interpret the MSS and TM images for data classification. Finally, a transfer matrix method was used to assess the spatial and temporal variability of soil salinization and analyze the driving factors of soil salinization. Compared to PCA transformation and OBC, TC transformation was a more effective method for extracting soil salinization information from the MSS sensor. The results indicate that a soil area of approximately 298 km(2) was affected by salinity in 1984 in Yucheng County, of which 5.40%, 11.96%, and 12.75% were classified as being subject to slight, moderate, and severe salinization, respectively. In 2009, the saline area was reduced to only 146 km(2), of which 10.70% and 3.75% were characterized by slight to moderate salinization and no severe salinization, respectively. The saline land decreased at an average rate of 6 km(2) per year. This decrease was probably a result of lower groundwater depth, increased organic fertilizer or crop straw in soil, changed land use type, and increased vegetation coverage. |
英文关键词 | Landsat multispectral scanner optimal band combination principal component analysis soil salinity tasseled cap thematic mapper |
类型 | Article |
语种 | 英语 |
收录类别 | SCI-E |
WOS记录号 | WOS:000532816900007 |
WOS关键词 | SALT ACCUMULATION ; SALINITY ; COMBINATION ; INDICATORS ; VEGETATION ; SPECTRA ; OASIS |
WOS类目 | Soil Science |
WOS研究方向 | Agriculture |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/324449 |
作者单位 | [Zhang, Xiaoguang; Liu, Feng] Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China; [Huang, Biao] Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Peoples R China; [Zhang, Xiaoguang] Qingdao Agr Univ, Coll Resource & Environm, Qingdao 266109, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Xiaoguang,Huang, Biao,Liu, Feng. Information extraction and dynamic evaluation of soil salinization with a remote sensing method in a typical county on the Huang-Huai-Hai Plain of China[J],2020,30(4):496-507. |
APA | Zhang, Xiaoguang,Huang, Biao,&Liu, Feng.(2020).Information extraction and dynamic evaluation of soil salinization with a remote sensing method in a typical county on the Huang-Huai-Hai Plain of China.PEDOSPHERE,30(4),496-507. |
MLA | Zhang, Xiaoguang,et al."Information extraction and dynamic evaluation of soil salinization with a remote sensing method in a typical county on the Huang-Huai-Hai Plain of China".PEDOSPHERE 30.4(2020):496-507. |
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