Trend analysis for evaluating the consistency of Terra MODIS and SPOT VGT NDVI time series products in China
文献类型：期刊论文
| 作者 | An, Youzhi1; Gao, Wei1; Gao, Zhiqiang1; Liu, Chaoshun1; Shi, Runhe1 |
| 刊名 | FRONTIERS OF EARTH SCIENCE
 |
| 出版日期 | 2015 |
| 卷号 | 9期号:1页码:38-39 |
| 关键词 | Terra MODIS NDVI SPOT VGT NDVI trend analysis correlation analysis |
| 通讯作者 | Gao, ZQ (reprint author), Colorado State Univ, Nat Resource Ecol Lab, Ft Collins, CO 80523 USA. |
| 英文摘要 | The Normalized Difference Vegetation Index (NDVI) is an important vegetation greenness indicator. Compared to the AVHRR GIMMS NDVI data, the availability of two datasets with 1 km spatial resolution, i.e., Terra MODIS (MOD13A3) monthly composite and SPOT Vegetation (VGT) 10-day composite NDVI, extends the application dimensions at spatial and temporal scales. An overlapping period of 12 years between the datasets now makes it possible to investigate the consistency of the two datasets. Linear regression trend analysis was performed to compare the two datasets in this study. The results show greater consistency in regression slopes in the semi-arid regions of northern China. Alternatively, the results show only slight changes in the Terra MODIS NDVI regression slope in most areas of southern China whereas the SPOT VGT NDVI shows positive changes over a large area. The corresponding regression slope values between Terra MODIS and SPOT VGT NDVI datasets from the linear fit had a fair agreement in the spatial dimension. However, larger positive and negative differences were observed at the junction of the three regions (East China, Central China, and North China). These differences can be partially explained by the positive standard deviation differences distributed over a large area at the junction of these three regions. This study demonstrated that Terra MODIS and SPOT VGT NDVI have a relatively robust basis for characterizing vegetation changes in annual NDVI in most of the semi-arid and arid regions in northern China. |
| 研究领域[WOS] | Geosciences, Multidisciplinary |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000349441200011 |
| 源URL | [http://ir.ceode.ac.cn/handle/183411/38535]  |
| 专题 | 遥感与数字地球研究所_SCI/EI期刊论文_期刊论文 |
| 作者单位 | 1.[An, Youzhi 2.Gao, Wei 3.Liu, Chaoshun 4.Shi, Runhe] E China Normal Univ, Key Lab Geog Informat Sci, Minist Educ, Joint Lab Environm Remote Sensing & Data Assimila, Shanghai 200062, Peoples R China 5.[An, Youzhi 6.Gao, Wei 7.Liu, Chaoshun 8.Shi, Runhe] Chinese Acad Sci, CEODE, Shanghai 200062, Peoples R China 9.[Gao, Wei 10.Gao, Zhiqiang] Colorado State Univ, Nat Resource Ecol Lab, Ft Collins, CO 80523 USA |
| 推荐引用方式 GB/T 7714 | An, Youzhi,Gao, Wei,Gao, Zhiqiang,et al. Trend analysis for evaluating the consistency of Terra MODIS and SPOT VGT NDVI time series products in China[J]. FRONTIERS OF EARTH SCIENCE,2015,9(1):38-39. |
| APA | An, Youzhi,Gao, Wei,Gao, Zhiqiang,Liu, Chaoshun,&Shi, Runhe.(2015).Trend analysis for evaluating the consistency of Terra MODIS and SPOT VGT NDVI time series products in China.FRONTIERS OF EARTH SCIENCE,9(1),38-39. |
| MLA | An, Youzhi,et al."Trend analysis for evaluating the consistency of Terra MODIS and SPOT VGT NDVI time series products in China".FRONTIERS OF EARTH SCIENCE 9.1(2015):38-39. |
入库方式： OAI收割
来源：遥感与数字地球研究所
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