Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL083990 |
Observational Evidence for Two Modes of Coupling Between Sea Surface Temperatures, Tropospheric Temperature Profile, and Shortwave Cloud Radiative Effect in the Tropics | |
Fueglistaler, S.1,2 | |
2019-08-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:16页码:9890-9898 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Tropical average shortwave cloud radiative effect (SWCRE) anomalies observed by CERES/EBAF v4 are explained by observed average sea surface temperature ((SST) over bar) and the difference between the warmest 30% where deep convection occurs and (SST) over bar (SST#). Observed tropospheric temperatures show variations in boundary layer capping strength over time consistent with the evolution of SST#. The CERES/EBAF v4 data confirm that associated cloud fraction changes over the colder waters dominate SWCRE. This observational evidence for the "pattern effect" noted in General Circulation Model simulations suggests that SST# captures much of this effect. The observed sensitivities (dSWCRE/d (SST) over bar approximate to 1.8W.m(-2).K-1, dSWCRE/dSST(# )approximate to -4.8W.m(-2).K-1) largely reflect El Nino-Southern Oscillation. As El Nino develops, (SST) over bar increases and SST# decreases (both increasing SWCRE). Only after the El Nino peak, SST# increases and SWCRE decreases. SST# is also relevant for the tropical temperature trend profile controversy and the discrepancy between observed and modeled equatorial Pacific SST trends. Causality and implications for future climates are discussed. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000490966700064 |
WOS关键词 | TRENDS ; COVER ; PRECIPITATION ; VARIABILITY ; CIRCULATION ; FEEDBACKS ; SPREAD ; ENSO |
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/186274 |
专题 | 气候变化 |
作者单位 | 1.Princeton Univ, Dept Geosci, Guyot Hall, Princeton, NJ 08544 USA; 2.Princeton Univ, Program Atmospher & Ocean Sci, Sayre Hall, Princeton, NJ 08544 USA |
推荐引用方式 GB/T 7714 | Fueglistaler, S.. Observational Evidence for Two Modes of Coupling Between Sea Surface Temperatures, Tropospheric Temperature Profile, and Shortwave Cloud Radiative Effect in the Tropics[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(16):9890-9898. |
APA | Fueglistaler, S..(2019).Observational Evidence for Two Modes of Coupling Between Sea Surface Temperatures, Tropospheric Temperature Profile, and Shortwave Cloud Radiative Effect in the Tropics.GEOPHYSICAL RESEARCH LETTERS,46(16),9890-9898. |
MLA | Fueglistaler, S.."Observational Evidence for Two Modes of Coupling Between Sea Surface Temperatures, Tropospheric Temperature Profile, and Shortwave Cloud Radiative Effect in the Tropics".GEOPHYSICAL RESEARCH LETTERS 46.16(2019):9890-9898. |
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