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Xiaomei Xu
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Modifying a sealed tube zinc reduction method for preparation of AMS graphite targets: reducing background and attaining high precision
X Xu, SE Trumbore, S Zheng, JR Southon, KE McDuffee, M Luttgen, ...
Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2007
4142007
Seasonal dynamics and age of stemwood nonstructural carbohydrates in temperate forest trees
AD Richardson, MS Carbone, TF Keenan, CI Czimczik, DY Hollinger, ...
New Phytologist 197 (3), 850-861, 2013
4062013
Age, allocation and availability of nonstructural carbon in mature red maple trees
MS Carbone, CI Czimczik, TF Keenan, PF Murakami, N Pederson, ...
New Phytologist 200 (4), 1145-1155, 2013
2132013
Isotopic measurements of atmospheric methane in Los Angeles, California, USA: Influence of “fugitive” fossil fuel emissions
A Townsend‐Small, SC Tyler, DE Pataki, X Xu, LE Christensen
Journal of Geophysical Research: Atmospheres 117 (D7), 2012
1482012
Recent (< 4 year old) leaf litter is not a major source of microbial carbon in a temperate forest mineral soil
C Kramer, S Trumbore, M Fröberg, LMC Dozal, D Zhang, X Xu, ...
Soil Biology and Biochemistry 42 (7), 1028-1037, 2010
1472010
The Keck Carbon Cycle AMS laboratory, University of California, Irvine: initial operation and a background surprise
J Southon, G Santos, K Druffel-Rodriguez, E Druffel, S Trumbore, X Xu, ...
Radiocarbon 46 (1), 41-49, 2004
1462004
Long-term controls on soil organic carbon with depth and time: A case study from the Cowlitz River Chronosequence, WA USA
CR Lawrence, JW Harden, X Xu, MS Schulz, SE Trumbore
Geoderma 247, 73-87, 2015
1382015
Distribution and mixing of old and new nonstructural carbon in two temperate trees
AD Richardson, MS Carbone, BA Huggett, ME Furze, CI Czimczik, ...
New Phytologist 206 (2), 590-597, 2015
1382015
The effect of fire and permafrost interactions on soil carbon accumulation in an upland black spruce ecosystem of interior Alaska: Implications for post‐thaw carbon loss
JA O'DONNELL, JW Harden, AD McGUIRE, MZ Kanevskiy, MT Jorgenson, ...
Global Change Biology 17 (3), 1461-1474, 2011
1372011
Diurnal tracking of anthropogenic CO2 emissions in the Los Angeles basin megacity during spring 2010
S Newman, S Jeong, ML Fischer, X Xu, CL Haman, B Lefer, S Alvarez, ...
Atmospheric Chemistry and Physics 13 (8), 4359-4372, 2013
1312013
Regional patterns of radiocarbon and fossil fuel‐derived CO2 in surface air across North America
DY Hsueh, NY Krakauer, JT Randerson, X Xu, SE Trumbore, JR Southon
Geophysical Research Letters 34 (2), 2007
1282007
Benthic fluxes and pore water studies from sediments of the central equatorial north Pacific: Nutrient diagenesis
WM Berelson, DE Hammond, D O'neill, XM Xu, C Chin, J Zukin
Geochimica et Cosmochimica Acta 54 (11), 3001-3012, 1990
1281990
Preservation of terrestrial organic carbon in marine sediments offshore Taiwan: mountain building and atmospheric carbon dioxide sequestration
SJ Kao, RG Hilton, K Selvaraj, M Dai, F Zehetner, JC Huang, SC Hsu, ...
Earth Surface Dynamics 2 (1), 127-139, 2014
1162014
High Arctic wetting reduces permafrost carbon feedbacks to climate warming
M Lupascu, JM Welker, U Seibt, K Maseyk, X Xu, CI Czimczik
Nature Climate Change 4 (1), 51-55, 2014
1002014
Asian summer monsoonal variations during the Holocene revealed by Huguangyan maar lake sediment record
X Wu, Z Zhang, X Xu, J Shen
Palaeogeography, Palaeoclimatology, Palaeoecology 323, 13-21, 2012
1002012
Blank assessment for ultra-small radiocarbon samples: chemical extraction and separation versus AMS
GM Santos, JR Southon, NJ Drenzek, LA Ziolkowski, E Druffel, X Xu, ...
Radiocarbon 52 (3), 1322-1335, 2010
982010
Small thaw ponds: an unaccounted source of methane in the Canadian High Arctic
K Negandhi, I Laurion, MJ Whiticar, PE Galand, X Xu, C Lovejoy
PLoS One 8 (11), e78204, 2013
932013
Greenhouse gas emissions from diverse Arctic Alaskan lakes are dominated by young carbon
CD Elder, X Xu, J Walker, JL Schnell, KM Hinkel, A Townsend-Small, ...
Nature Climate Change 8 (2), 166-171, 2018
902018
Estimating US fossil fuel CO2 emissions from measurements of 14C in atmospheric CO2
S Basu, SJ Lehman, JB Miller, AE Andrews, C Sweeney, KR Gurney, X Xu, ...
Proceedings of the National Academy of Sciences 117 (24), 13300-13307, 2020
872020
A comparison of tracer methods for quantifying CO2 sources in an urban region
S Djuricin, DE Pataki, X Xu
Journal of Geophysical Research: Atmospheres 115 (D11), 2010
822010
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