| DOI: | 10.1002/2014GL059266
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| 论文题名: | Observed changes in false springs over the contiguous United States |
| 作者: | Peterson A.G.; Abatzoglou J.T.
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| 刊名: | Geophysical Research Letters
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| ISSN: | 0094-10252
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| EISSN: | 1944-9983
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| 出版年: | 2014
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| 卷: | 41, 期:6 | | 起始页码: | 2156
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| 结束页码: | 2162
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| 语种: | 英语
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| 英文关键词: | biosphere-atmosphere interaction
; climate change
; false springs
; phenology
; sensitivity analysis
; spring freeze
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| Scopus关键词: | Earth sciences
; Geophysics
; Sensitivity analysis
; Agricultural system
; Biosphere-atmosphere interactions
; Climate warming
; phenology
; Potential benefits
; Spatiotemporal patterns
; Vegetation growth
; Western United States
; Climate change
; atmosphere-biosphere interaction
; climate change
; freezing
; frost
; phenology
; regional climate
; sensitivity analysis
; spatiotemporal analysis
; warming
; United States
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| 英文摘要: | Climate warming fosters an earlier spring green-up that may bring potential benefits to agricultural systems. However, advances in green-up timing may leave early stage vegetation growth vulnerable to cold damage when hard freezes follow green-up resulting in a false spring. Spatiotemporal patterns of green-up dates, last spring freezes, and false springs were examined across the contiguous United States from 1920 to 2013. Results indicate widespread earlier green-up and last spring freeze dates over the period. Observed changes in these dates were asymmetric with the last spring freeze date advancing to earlier in the year relative to green-up date. Although regionally variable, these changes resulted in a reduction in false springs, notably over the past 20 years, except across the intermountain western United States where the advance in green-up timing outpaced that of the last spring freeze. A sensitivity experiment shows that observed decreases in false springs are consistent with a warming climate. © 2014. American Geophysical Union. All Rights Reserved. |
| URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896589359&doi=10.1002%2f2014GL059266&partnerID=40&md5=6740c734bb316513778a0f59f3a338ef
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| Citation statistics: |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/7516
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| Appears in Collections: | 气候减缓与适应
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作者单位: | Department of Geography, University of Idaho, Moscow, ID, United States
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| Recommended Citation: | |
Peterson A.G.,Abatzoglou J.T.. Observed changes in false springs over the contiguous United States[J]. Geophysical Research Letters,2014-01-01,41(6).
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