12 . 13 Biomarker - Based Inferences of Past Climate : The Alkenone pCO 2 Proxy
نویسنده
چکیده
12.13.
منابع مشابه
The alkenone-CO2 proxy and ancient atmospheric carbon dioxide.
Cenozoic climates have varied across a variety of time-scales, including slow, unidirectional change over tens of millions of years, as well as severe, geologically abrupt shifts in Earth's climatic state. Establishing the history of atmospheric carbon dioxide is critical in prioritizing the factors responsible for past climatic events, and integral in positioning future climate change within a...
متن کاملEstimate of climate sensitivity from carbonate microfossils
Introduction Conclusions References Tables Figures Back Close Full Screen / Esc This discussion paper is/has been under review for the journal Climate of the Past (CP). Please refer to the corresponding final paper in CP if available. Abstract Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Abstract Climate sensitivity is a crucial parameter in global temperature...
متن کاملUniversity ’ s repository of research publications and other research outputs High - resolution alkenone palaeobarometry indicates relatively stable pCO
14 Temperature reconstructions indicate that the Pliocene was ~ 3 °C warmer globally 15 than today, and several recent reconstructions of Pliocene atmospheric CO2 indicate 16 that it was above pre-industrial levels and similar to those likely to be seen this 17 century. However, many of these reconstructions have been of relatively low temporal 18 resolution, meaning that these records may have...
متن کاملBacterial influence on alkenones in live microalgae.
The microalga Emiliania huxleyi produces alkenone lipids that are important proxies for estimating past sea surface temperatures. Field calibrations of this proxy are robust but highly variable results are obtained in culture. Here, we present results suggesting that algal-bacterial interactions may be responsible for some of this variability. Co-cultures of E. huxleyi and the bacterium Phaeoba...
متن کاملNote Bacterial Influence on Alkenones in Live Microalgae
The microalga Emiliania huxleyi produces alkenone lipids that are important proxies for estimating past sea surface temperatures. Field calibrations of this proxy are robust but highly variable results are obtained in culture. Here, we present results suggesting that algal-bacterial interactions may be responsible for some of this variability. Co-cultures of E. huxleyi and the bacterium Phaeoba...
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تاریخ انتشار 2013