Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL091496 |
Where are Global Vegetation Greening and Browning Trends Significant? | |
José; Corté; s; Miguel D. Mahecha; Markus Reichstein; Ranga B. Myneni; Chi Chen; Alexander Brenning | |
2021-02-02 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | Global greening trends have been widely reported based on long‐term remote‐sensing data of terrestrial ecosystems. Typically, a hypothesis test is performed for each grid cell; this leads to multiple hypothesis testing and false positive trend detection. We reanalyze global greening and account for this issue with a novel statistical method that allows robust inference on greening regions. Based on leaf area index (LAI) data, our methods reduce the detected greening from 35.2% to 15.3% of the terrestrial land surface; this reduction is most notable in non‐woody vegetation. Our results confirm several greening regions (China, India, Europe, Sahel, North America, Brazil, and Siberia), that are also supported by independent data products. We also report evidence for an increasing seasonal amplitude in LAI north of 35°N. Considering the widespread use of spatially replicated trend tests in global change research, we recommend adopting the proposed multiple testing procedure to control false positive outcomes. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/313789 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | José,Corté,s,et al. Where are Global Vegetation Greening and Browning Trends Significant?[J]. Geophysical Research Letters,2021. |
APA | José.,Corté.,s.,Miguel D. Mahecha.,Markus Reichstein.,...&Alexander Brenning.(2021).Where are Global Vegetation Greening and Browning Trends Significant?.Geophysical Research Letters. |
MLA | José,et al."Where are Global Vegetation Greening and Browning Trends Significant?".Geophysical Research Letters (2021). |
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