scholarly journals Sources and sinks of CO 2 and CH 4 in siliciclastic subterranean estuaries

2019 ◽  
Vol 64 (4) ◽  
pp. 1500-1514 ◽  
Author(s):  
Andrea J. Pain ◽  
Jonathan B. Martin ◽  
Caitlin R. Young
Keyword(s):  
Sources And Sinks ◽  
Subterranean Estuaries

Quantifying sources and sinks of trace gases using space-borne measurements: current and future science

2008 ◽  
Vol 366 (1885) ◽  
pp. 4509-4528 ◽  
Author(s):  
Paul I Palmer
Keyword(s):  
Trace Gases ◽  
Lower Troposphere ◽  
Biological Interactions ◽  
Satellite Measurements ◽  
Sources And Sinks ◽  
The Past ◽  
Fundamental Understanding ◽  
Earth’S Climate ◽  
New Generation

We have been observing the Earth's upper atmosphere from space for several decades, but only over the past decade has the necessary technology begun to match our desire to observe surface air pollutants and climate-relevant trace gases in the lower troposphere, where we live and breathe. A new generation of Earth-observing satellites, capable of probing the lower troposphere, are already orbiting hundreds of kilometres above the Earth's surface with several more ready for launch or in the planning stages. Consequently, this is one of the most exciting times for the Earth system scientists who study the countless current-day physical, chemical and biological interactions between the Earth's land, ocean and atmosphere. First, I briefly review the theory behind measuring the atmosphere from space, and how these data can be used to infer surface sources and sinks of trace gases. I then present some of the science highlights associated with these data and how they can be used to improve fundamental understanding of the Earth's climate system. I conclude the paper by discussing the future role of satellite measurements of tropospheric trace gases in mitigating surface air pollution and carbon trading.

Unifying sources and sinks in ecology and Earth sciences

2012 ◽  
Vol 88 (2) ◽  
pp. 365-379 ◽  
Author(s):  
Michel Loreau ◽  
Tanguy Daufresne ◽  
Andrew Gonzalez ◽  
Dominique Gravel ◽  
Frédéric Guichard ◽  
...  
Keyword(s):  
Earth Sciences ◽  
Sources And Sinks

Transcription rates in DNA brushes

Soft Matter ◽  
2015 ◽  
Vol 11 (15) ◽  
pp. 3017-3021 ◽  
Author(s):  
Tetsuya Yamamoto ◽  
S. A. Safran
Keyword(s):  
Diffusion Equation ◽  
Sources And Sinks ◽  
Unidirectional Motion

We theoretically predict the rate of transcription (TX) in DNA brushes by introducing the concept of TX dipoles that takes into account the unidirectional motion of enzymes (RNAP) along DNA during transcription as correlated pairs of sources and sinks in the relevant diffusion equation.

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