GSTDTAP  > 气候变化
DOI10.1029/2018GL080981
Spatiotemporal Variability in the Climate Growth Response of High Elevation Bristlecone Pine in the White Mountains of California
Bunn, Andrew G.1; Salzer, Matthew W.2; Anchukaitis, Kevin J.2,3; Bruening, Jamis M.1,4; Hughes, Malcolm K.2
2018-12-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2018
卷号45期号:24页码:13312-13321
文章类型Article
语种英语
国家USA
英文摘要

Tree-ring chronologies from bristlecone pine (Pinus longaeva) are a unique proxy used to understand climate variability over the middle to late Holocene. The annual rings from trees growing toward the species' lower elevational range are sensitive to precipitation variability. Interpretation of the ring-width signal at the upper forest border has been more difficult. We evaluate differences in climate induced by topography (topoclimate) to better understand the dual signals of temperature and moisture. We unmix signals from trees growing at and near the upper forest border based on the seasonal mean temperature (SMT) experienced by each tree. We find that trees growing in exposures with SMT <7.5 degrees C are limited by temperature, while trees with SMT > 7.5 degrees C are limited by moisture. We demonstrate this independently through analysis of growth in the frequency and time domains and using a process model of xylogenesis. Furthermore, we identify increasing moisture sensitivity in trees formerly limited by temperature.


Plain Language Summary Tree rings from ancient bristlecone pines are a remarkable proxy for climate, extending back thousands of years. However, interpreting this record has been difficult because some trees record information on both past temperature and past soil moisture variability. These dual growth responses can be hard to separate. We show that differentiating trees based on relatively small differences in location, determined by their topographical setting and therefore the "local climate" individual trees have experienced, can help unravel these mixed signals and provide a better basis for understanding growth and past climate. We find that even near the alpine treeline, only trees in the coldest settings show ring-width growth that is sensitive to temperature. However, we also show that recent warming might have weakened this temperature response by causing bristlecone pine to switch to a moisture-sensitive growth response.


英文关键词paleoclimate divergence dendroclimatology topoclimate treeline
领域气候变化
收录类别SCI-E
WOS记录号WOS:000456404600016
WOS关键词TREE-RING GROWTH ; UNITED-STATES ; ALTITUDINAL TREELINE ; CAMBIAL PHENOLOGY ; WOOD FORMATION ; TEMPERATURE ; PATTERNS ; GRADIENT ; FORESTS ; MODEL
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
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/26734
专题气候变化
作者单位1.Western Washington Univ, Dept Environm Sci, Bellingham, WA 98225 USA;
2.Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USA;
3.Univ Arizona, Sch Geog & Dev, Tucson, AZ USA;
4.Univ Maryland, Dept Geog Sci, College Pk, MD 20742 USA
推荐引用方式
GB/T 7714
Bunn, Andrew G.,Salzer, Matthew W.,Anchukaitis, Kevin J.,et al. Spatiotemporal Variability in the Climate Growth Response of High Elevation Bristlecone Pine in the White Mountains of California[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(24):13312-13321.
APA Bunn, Andrew G.,Salzer, Matthew W.,Anchukaitis, Kevin J.,Bruening, Jamis M.,&Hughes, Malcolm K..(2018).Spatiotemporal Variability in the Climate Growth Response of High Elevation Bristlecone Pine in the White Mountains of California.GEOPHYSICAL RESEARCH LETTERS,45(24),13312-13321.
MLA Bunn, Andrew G.,et al."Spatiotemporal Variability in the Climate Growth Response of High Elevation Bristlecone Pine in the White Mountains of California".GEOPHYSICAL RESEARCH LETTERS 45.24(2018):13312-13321.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Bunn, Andrew G.]的文章
[Salzer, Matthew W.]的文章
[Anchukaitis, Kevin J.]的文章
百度学术
百度学术中相似的文章
[Bunn, Andrew G.]的文章
[Salzer, Matthew W.]的文章
[Anchukaitis, Kevin J.]的文章
必应学术
必应学术中相似的文章
[Bunn, Andrew G.]的文章
[Salzer, Matthew W.]的文章
[Anchukaitis, Kevin J.]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

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。