Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL093678 |
Wetter summers mitigated temperature stress on Rocky Mountain forests during the last interglacial warm period | |
M. Berkelhammer; N. Insel; I. Stefanescu | |
2021-08-29 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | Recent droughts have highlighted concerns of how rising summer temperatures will increase tree mortality rates across the western United States. We analyzed subfossil wood samples from Colorado dating to the last interglacial to assess the response of two common conifers to a previous warm period. The trees experienced comparable growth rates and water use efficiency during the interglacial relative to modern despite evidence from model simulations of a 30% increase in evaporative demand during the peak of the growing season. High-resolution isotopic analysis of the wood samples show an enrichment in the late season cellulosic O relative to modern samples, which we find was associated with increased reliance on summer rain. The data are consistent with model simulations showing the interglacial was associated with wetter summers across the western US. We propose enhanced summer rain during this period compensated for drought stress imposed by higher evaporative demand. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/336570 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | M. Berkelhammer,N. Insel,I. Stefanescu. Wetter summers mitigated temperature stress on Rocky Mountain forests during the last interglacial warm period[J]. Geophysical Research Letters,2021. |
APA | M. Berkelhammer,N. Insel,&I. Stefanescu.(2021).Wetter summers mitigated temperature stress on Rocky Mountain forests during the last interglacial warm period.Geophysical Research Letters. |
MLA | M. Berkelhammer,et al."Wetter summers mitigated temperature stress on Rocky Mountain forests during the last interglacial warm period".Geophysical Research Letters (2021). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论