التفاصيل البيبلوغرافية
| العنوان: |
An improved inlet for precisely measuring the atmospheric Ar/N2 ratio. |
| المؤلفون: |
Blaine, T. W., Keeling, R. F., Paplawsky, W. J. |
| المصدر: |
Atmospheric Chemistry & Physics; 2006, Vol. 6 Issue 6, p1181-1184, 4p |
| مصطلحات موضوعية: |
ATMOSPHERE, HEAT exchangers, THERMALS (Meteorology), AIR, CHEMICAL engineering equipment |
| مستخلص: |
The atmospheric Ar/N2 ratio is expected to be useful as a tracer of air-sea heat exchange, but this application has been hindered in part due to sampling artifacts. Here we show that the variability in δ(Ar/N2) due to thermal fractionation at the inlet can be on the order of 40-80 per meg, and we introduce the use of an aspirated solar shield that successfully minimizes such fractionation. The data collected using this new inlet have a mean diurnal cycle of 1.0 per meg or less, suggesting that any residual thermal fractionation effect is reduced to this level. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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