Search Results - "Masarie, K.A."

ObsPack: a framework for the preparation, delivery, and attribution of atmospheric greenhouse gas measurements by Masarie, K. A, Peters, W, Jacobson, A. R, Tans, P. P

“…Observation Package (ObsPack) is a framework designed to bring together atmospheric greenhouse gas observations from a variety of sampling platforms, prepare…”
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Is the amplitude of the methane seasonal cycle changing? by Dlugokencky, E.J., Masarie, K.A., Tans, P.P., Conway, T.J., Xiong, X.

“…Twelve years of atmospheric CH 4 data from a globally distributed set of sampling sites ranging in latitude from 82°N to 90°S are analyzed to determine if a…”
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Atmospheric carbon dioxide and its stable isotope ratios, methane, carbon monoxide, nitrous oxide and hydrogen from Shetland Isles by Francey, R.J., Steele, L.P., Langenfelds, R.L., Allison, C.E., Cooper, L.N., Dunse, B.L., Bell, B.G., Murray, T.D., Tait, H.S., Thompson, L., Masarie, K.A.

“…Since November 1992, 0.5 l glass flasks have been filled approximately monthly with dry marine air from Shetland Isles, Scotland (60.2°N, 1.2°W) and…”
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Impact of CO2 measurement bias on CarbonTracker surface flux estimates by Masarie, K. A., Pétron, G., Andrews, A., Bruhwiler, L., Conway, T. J., Jacobson, A. R., Miller, J. B., Tans, P. P., Worthy, D. E., Peters, W.

“…For over 20 years, atmospheric measurements of CO2 dry air mole fractions have been used to derive estimates of CO2 surface fluxes. Historically, only a few…”
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Biosphere model simulations of interannual variability in terrestrial 13C/12C exchange by van der Velde, I. R., Miller, J. B., Schaefer, K., Masarie, K. A., Denning, S., White, J. W. C., Tans, P. P., Krol, M. C., Peters, W.

“…Previous studies suggest that a large part of the variability in the atmospheric ratio of 13CO2/12CO2originates from carbon exchange with the terrestrial…”
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Recent Changes in Atmospheric Carbon Monoxide by Novelli, Paul C., Masarie, Ken A., Tans, Pieter P., Lang, Patricia M.

“…Measurements of carbon monoxide (CO) in air samples collected from 27 locations between 71°N and 41°S show that atmospheric levels of this gas have decreased…”
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Noise in DC SQUIDS with Nb/Al-oxide/Nb Josephson junctions by Cromar, M.W., Beall, J.A., Go, D., Masarie, K.A., Ono, R.H., Simon, R.W.

“…The authors have developed a process which incorporates very-high-quality Nb/Al-oxide/Nb Josephson junctions. The junctions had low subgap conductance,…”
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