Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1038/NGEO2957 |
Regionally strong feedbacks between the atmosphere and terrestrial biosphere | |
Green, Julia K.1; Konings, Alexandra G.1,2; Alemohammad, Seyed Hamed1,3; Berry, Joseph4; Entekhabi, Dara3,5; Kolassa, Jana6,7; Lee, Jung-Eun8; Gentine, Pierre1,9 | |
2017-06-01 | |
发表期刊 | NATURE GEOSCIENCE |
ISSN | 1752-0894 |
EISSN | 1752-0908 |
出版年 | 2017 |
卷号 | 10期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The terrestrial biosphere and atmosphere interact through a series of feedback loops. Variability in terrestrial vegetation growth and phenology can modulate fluxes of water and energy to the atmosphere, and thus affect the climatic conditions that in turn regulate vegetation dynamics. Here we analyse satellite observations of solar-induced fluorescence, precipitation, and radiation using a multivariate statistical technique. We find that biosphere-atmosphere feedbacks are globally widespread and regionally strong: they explain up to 30% of precipitation and surface radiation variance in regions where feedbacks occur. Substantial biosphere-precipitation feedbacks are often found in regions that are transitional between energy and water limitation, such as semi-arid or monsoonal regions. Substantial biosphere-radiation feedbacks are often present in several moderately wet regions and in the Mediterranean, where precipitation and radiation increase vegetation growth. Enhancement of latent and sensible heat transfer from vegetation accompanies this growth, which increases boundary layer height and convection, affecting cloudiness, and consequently incident surface radiation. Enhanced evapotranspiration can increase moist convection, leading to increased precipitation. Earth system models underestimate these precipitation and radiation feedbacks mainly because they underestimate the biosphere response to radiation and water availability. We conclude that biosphere-atmosphere feedbacks cluster in specific climatic regions that help determine the net CO2 balance of the biosphere. |
领域 | 地球科学 ; 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000402579200008 |
WOS关键词 | INDUCED CHLOROPHYLL FLUORESCENCE ; SOIL-MOISTURE ; INTERANNUAL VARIABILITY ; SEMIARID ECOSYSTEMS ; PRECIPITATION ; CLIMATE ; PHOTOSYNTHESIS ; RETRIEVAL ; CAUSALITY ; SPACE |
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/34872 |
专题 | 地球科学 气候变化 |
作者单位 | 1.Columbia Univ, Dept Earth & Environm Engn, New York, NY 10027 USA; 2.Stanford Univ, Dept Earth Syst Sci, Stanford, CA 94305 USA; 3.MIT, Dept Civil & Environm Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA; 4.Carnegie Inst Sci, Dept Global Ecol, Stanford, CA 94305 USA; 5.MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA; 6.Univ Space Res Assoc, Columbia, MD 21046 USA; 7.NASA, Global Modeling & Assimilat Off, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA; 8.Brown Univ, Dept Earth Environm & Planetary Sci, Providence, RI 02912 USA; 9.Columbia Univ, Earth Inst, New York, NY 10027 USA |
推荐引用方式 GB/T 7714 | Green, Julia K.,Konings, Alexandra G.,Alemohammad, Seyed Hamed,et al. Regionally strong feedbacks between the atmosphere and terrestrial biosphere[J]. NATURE GEOSCIENCE,2017,10(6). |
APA | Green, Julia K..,Konings, Alexandra G..,Alemohammad, Seyed Hamed.,Berry, Joseph.,Entekhabi, Dara.,...&Gentine, Pierre.(2017).Regionally strong feedbacks between the atmosphere and terrestrial biosphere.NATURE GEOSCIENCE,10(6). |
MLA | Green, Julia K.,et al."Regionally strong feedbacks between the atmosphere and terrestrial biosphere".NATURE GEOSCIENCE 10.6(2017). |
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