Regional vegetation dynamics and its response to climate change—a case study in the Tao River Basin in Northwestern China
Bibliographic Data
| ID | 15545704 |
|---|---|
| Authors | Changbin Li (0000-0001-9239-3304, Lanzhou University, corresponding author), Jiaguo Qi (0000-0002-8183-0297, Zhejiang University), Linshan Yang (0000-0002-6862-4106, Lanzhou University), Shuaibing Wang (0000-0001-7936-3581, Lanzhou University), Wenjin Yang (Lanzhou University), Gaofeng Zhu (0000-0002-3533-9106, Lanzhou University), Songbing Zou (Chinese Academy of Sciences), Feng Zhang (0000-0002-7444-1103, Lanzhou University) |
| Year | 2014 |
| Volume | 9 |
| Issue | 12 |
| Pages | 125003-125003 |
| Publication date | 2014-12-01 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Environmental Research Letters (JOURNAL) |
| Journal identifiers | ISSN: 1748-9326 • E-ISSN: 1748-9326 |
| Publisher | IOP Publishing (PUBLISHER • GB) |
| DOI | 10.1088/1748-9326/9/12/125003 |
| OpenAlex | W2147651008 |
| Language | EN |
| Citations received | 5 |
| References cited | 46 |
The 30-year normalized-difference vegetation index (NDVI) time series from AVHRR/MODIS satellite sensors was used in this study to assess the regional vegetation dynamic changes in the Tao River Basin, which cuts across the Eastern Tibetan Plateau (ETP) and the Southwestern Loess Plateau (SLP). First, principal component and correlation analyses were carried out to determine the key climatic variables driving ecological change in the region. Then, regression models were tested to correlate NDVI with the selected climatic variables to determine their predictive power. Finally, Sen's slope method was used to determine how terrestrial vegetation has responded to regional climate change in the region. The results indicated an average winter season NDVI value of 0.14 in the ETP but only 0.04 in the SLP. Primarily driven by increasing temperature, vegetation growth has generally been enhanced since 1981; spring NDVI increased by 0.03 every 10 years in the ETP and 0.02 in the SLP. Further, results from trend analyses suggest vegetation growth in the ETP shifted to earlier-start and earlier-end dates, however in the SLP, the growing season has been extended with an earlier-start and later-end date. The precipitation threshold for vegetation germination, measured by the cumulative spring rainfall, was found to be 44 mm for both the ETP and SLP
Climate change · Climatology · Geography · Growing season · Loess plateau · Meteorology · Normalized Difference Vegetation Index · Physical geography · Plateau (mathematics · Precipitation · Structural basin · Vegetation (pathology · Ecology and Vegetation Dynamics Studies · Environmental Science · Plant Water Relations and Carbon Dynamics · Remote Sensing in Agriculture · Ecology · Geology · Soil Science
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| Citations per year | 0.38 |
|---|---|
| Citation span | 2013 - 2022 (10) |
| Highly cited | No |