KMS Institute of Mountain Hazards and Environment,CAS
| Using leaf area index (LAI) to assess vegetation response to drought in Yunnan province of China | |
| Kwangchol KIM; WANG Ming-cheng; Sailesh RANJITKAR; LIU Su-hong; XU Jian-chu; Robert J. ZOMER | |
| Corresponding Author | Sailesh RANJITKAR ; XU Jian-chu |
| 2017-09 | |
| Source Publication | Journal of Mountain Science
 |
| ISSN | 1672-6316 |
| Volume | 14Issue:9Pages:1863-1872 |
| Subtype | 期刊论文 |
| Abstract | Climatic extremes such as drought have becoming a severe climate-related problem in many regions all over the world that can induce anomalies in vegetation condition. Growth and CO2uptake by plants are constrained to a large extent by drought. Therefore, it is important to understand the spatial and temporal responses of vegetation to drought across the various land cover types and different regions. Leaf area index (LAI) derived from Global Land Surface Satellite (GLASS) data was used to evaluate the response of vegetation to drought occurrence across Yunnan Province, China (2001-2010). The meteorological drought was assessed based on Standardized Precipitation Index (SPI) values. Pearson's correlation coefficients between LAI and SPI were examined across several timescales within six sub-regions of the Yunnan. Further, the drought-prone area was identified based on LAI anomaly values. Lag and cumulative effects of lack of precipitation on vegetation were evident, with significant correlations found using 3-, 6-, 9- and 12-month timescale. We found 9-month timescale has higher correlations compared to another timescale. Approximately 29.4% of Yunnan's areawas classified as drought-prone area, based on the LAI anomaly values. Most of this drought-prone area was distributed in the mountainous region of Yunnan. From the research, it is evident that GLASS LAI can be effectively used as an indicator for assessing drought conditions and it provide valuable information for drought risk defense and preparedness. |
| Keyword | Modis Leaf Area Index Distribution Standardized Precipitation Index (Spi) Drought Yunnan |
| DOI | https://doi.org/10.1007/s11629-016-3971-x |
| Indexed By | SCI |
| Language | 英语 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imde.ac.cn/handle/131551/19081 |
| Collection | Journal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.9 |
| Recommended Citation GB/T 7714 | Kwangchol KIM,WANG Ming-cheng,Sailesh RANJITKAR,et al. Using leaf area index (LAI) to assess vegetation response to drought in Yunnan province of China[J]. Journal of Mountain Science,2017,14(9):1863-1872. |
| APA | Kwangchol KIM,WANG Ming-cheng,Sailesh RANJITKAR,LIU Su-hong,XU Jian-chu,&Robert J. ZOMER.(2017).Using leaf area index (LAI) to assess vegetation response to drought in Yunnan province of China.Journal of Mountain Science,14(9),1863-1872. |
| MLA | Kwangchol KIM,et al."Using leaf area index (LAI) to assess vegetation response to drought in Yunnan province of China".Journal of Mountain Science 14.9(2017):1863-1872. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 16.pdf（3569KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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