Biodiversity and Wetting of Climate Alleviate Vegetation Vulnerability Under Compound Drought-Hot Extremes

Zhang，Gengxi1; Zhang，Shuyu2; Wang，Huimin1; Gan，Thian Yew3,4; Fang，Hongyuan1; Su，Xiaoling5; Song，Songbai5; Feng，Kai6; Jiang，Tianliang7; Huang，Jinbai1; Xu，Pengcheng1; Fu，Xiaolei1

2024-05-28

10.1029/2024GL108396

Geophysical Research Letters   影响因子和分区

0094-8276

1944-8007

Global warming has intensified the intensity of compound drought-hot extremes (CDHEs), posing more severe impacts on human societies and ecosystems than individual extremes. The vulnerability of global terrestrial ecosystems under CDHEs, along with its key influencing factors, remains poorly understood. Based on multiple remote sensing data, we construct a Vine Copula model to appraise vegetation vulnerability under CDHEs, and attribute it to climatic and biotic factors for five different vegetation types. High vulnerability is detected in central and southern regions of North America, eastern and southern regions of South America, Southern Africa, northern and western Europe, and northern and eastern Australia. The drier the climate, the higher will be the vulnerability. Furthermore, biodiversity and biomass are key biotic factors influencing the vulnerability of various vegetation types, such that ecosystems with richer biodiversity and higher biomass have lower vulnerability to CDHEs. The findings deepen understanding of terrestrial ecosystem response to CDHEs.

compound extremes drought machine learning vegetation vulnerability

SCI ; EI

英语

其他

GEOSCIENCES

2-s2.0-85193712764

Scopus

1.College of Hydraulic Science and Engineering,Yangzhou University,Yangzhou,China
2.School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,China
3.Department of Civil and Environmental Engineering,University of Alberta,Edmonton,Canada
4.Department of Civil,Environmental and Architectural Engineering,University of Colorado-Boulder,Boulder,United States
5.College of Water Resources and Architectural Engineering,Northwest A & F University,Yangling,China
6.College of Water Conservancy,North China University of Water Resources and Electric Power,Zhengzhou,China
7.China Institute of Water Resources and Hydropower Research,Beijing,China

Zhang，Gengxi,Zhang，Shuyu,Wang，Huimin,et al. Biodiversity and Wetting of Climate Alleviate Vegetation Vulnerability Under Compound Drought-Hot Extremes[J]. Geophysical Research Letters,2024,51(10).

Zhang，Gengxi.,Zhang，Shuyu.,Wang，Huimin.,Gan，Thian Yew.,Fang，Hongyuan.,...&Fu，Xiaolei.(2024).Biodiversity and Wetting of Climate Alleviate Vegetation Vulnerability Under Compound Drought-Hot Extremes.Geophysical Research Letters,51(10).

Zhang，Gengxi,et al."Biodiversity and Wetting of Climate Alleviate Vegetation Vulnerability Under Compound Drought-Hot Extremes".Geophysical Research Letters 51.10(2024).