| Changes in the Tree-Ring Width-Derived Cumulative Normalized Difference Vegetation Index over Northeast China during 1825 to 2013 CE | |
| Liu, Ruoshi1; Song, Yi2; Liu, Yu1,2,3,4,5; Li, Xuxiang1; Song, Huiming2; Sun, Changfeng2; Li, Qiang2; Cai, Qiufang2; Ren, Meng2,6; Wang, Lu7 | |
| Corresponding Author | Liu, Yu(liuyu@loess.llqg.ac.cn) |
| 2021-02-01 | |
| Source Publication | FORESTS
 |
| Volume | 12Issue:2Pages:17 |
| Abstract | Vegetation coverage is very important in terrestrial ecosystems and climate systems. However, the observational record of the normalized difference vegetation index (NDVI), which started in the 1980s when satellites became widely used, is too short to investigate the history of variation in vegetation coverage beyond the modern observation period. Here, we present a 189 y vegetation coverage series based on a total of 349 Mongolian pine (Pinus sylvestris var. mongolica Litv) cores from seven locations from the central-western Da Hinggan Mountains (CW-DHM), northeastern China. We found a significant relationship between tree-ring width and the regional cumulative normalized difference vegetation index (CNDVI). The correlation between the ring-width chronology and the regional June-July CNDVI (CNDVIJJ) was significant, with r = 0.68 (n = 32, p < 0.001) and an explained variance of 45.8% (44.0% after the adjustment for the loss of the degree of freedom). On this basis, we designed a transfer function to reconstruct the CNDVIJJ for the CW-DHM region from 1825 to 2013 CE (Common Era). During the last 189 years, there were 28 years with high CNDVIJJ values, and another 28 years with low values. We also observed CNDVIJJ fluctuations at the inter-annual and decadal time scales, including eight low value periods and nine high value periods. Based on our analysis, the variation in CNDVI is associated with climatic factors, such as temperature, precipitation and the Palmer Drought Severity Index (PDSI), which combines both temperature and precipitation. From 1950 to 2002 CE, the CNDVI showed a noticeable decreasing trend in the CW-DHM region, whereas after 2003 CE, the CNDVI exhibited an apparent increase, which has also been observed in southern Central Siberia, eastern Mongolia and northeastern and eastern China, indicating that the CNDVI change in the CW-DHM is related to climate change in the local region and in some parts of Asia. |
| Keyword | northeast China tree-ring width remote sensing cumulative normalized difference vegetation index (CNDVI) reconstruction climate variability |
| DOI | 10.3390/f12020241 |
| Indexed By | SCI ; SCI |
| Language | 英语 |
| Funding Project | CAS Research Program[QYZDJ-SSW-DQC021] ; CAS Research Program[XDB40000000] ; National Natural Science Foundation of China[NSFC 41630531] ; National Natural Science Foundation of China[41873021] ; Youth Innovation Promotion Association of CAS[2017451] ; West Light Foundation of CAS ; Key Project of IEECAS ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, CAS[SKLLQG1916] |
| WOS Research Area | Forestry |
| Funding Organization | CAS Research Program ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS ; West Light Foundation of CAS ; Key Project of IEECAS ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, CAS |
| WOS Subject | Forestry |
| WOS ID | WOS:000622522500001 |
| Publisher | MDPI |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ieecas.cn/handle/361006/16072 |
| Collection | 现代环境研究室 第四纪科学与全球变化卓越创新中心 |
| Corresponding Author | Liu, Yu |
| Affiliation | 1.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China 5.Qingdao Natl Lab Marine Sci & Technol, Qingdao 266237, Peoples R China 6.Xian Inst Innovat Earth Environm Res, Xian 710061, Peoples R China 7.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China |
| Recommended Citation GB/T 7714 | Liu, Ruoshi,Song, Yi,Liu, Yu,et al. Changes in the Tree-Ring Width-Derived Cumulative Normalized Difference Vegetation Index over Northeast China during 1825 to 2013 CE[J]. FORESTS,2021,12(2):17. |
| APA | Liu, Ruoshi.,Song, Yi.,Liu, Yu.,Li, Xuxiang.,Song, Huiming.,...&Wang, Lu.(2021).Changes in the Tree-Ring Width-Derived Cumulative Normalized Difference Vegetation Index over Northeast China during 1825 to 2013 CE.FORESTS,12(2),17. |
| MLA | Liu, Ruoshi,et al."Changes in the Tree-Ring Width-Derived Cumulative Normalized Difference Vegetation Index over Northeast China during 1825 to 2013 CE".FORESTS 12.2(2021):17. |
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