1. Rogers, M., Sullivan, P. and Welker, J. M. 2011. Experimental increases in snow depth delays the seasonality but enhances the magnitudes of vegetation traits and trace gas exchanges in the High Arctic of NW Greenland.  Arctic, Antarctic and Alpine Research 43: 95-106.

2. Tape, K. D., Hallinger, M., Reuss, R. and Welker, J. M. 2011. Landscape Heterogeneity of Shrub Expansion in Arctic Alaska: Patterns and processes controlling vegetation change.  Global Change Biology (submitted).

3. Werner, C., Welker, J. M., et al. 2011. Linking carbon and water cycles using stable isotopes across scales: Progress and Challenges. Biogeosciences Discussions 8: 2659-2719. (on line journal)

4. von Biela, V.R., Zimmerman, C.E., Cohn, B.R., and Welker, J.M. 2011. Evidence of multiple carbon sources and prey communities in young-of-the-year Arctic cisco (Coregonus autumnalis) using d¹³C, d¹⁵N and diet analyses. Polar Biology (submitted).

5. Wilgenberg, S. L., Hobson, K. A., Brewster, K, and Welker, J. M. 2011. Addresing uncertainity in assessing dispersal in threatended migratory species using stable hydrogen (dD) analysis of feathers. Conservation Biology (submitted)

6. Nowinski, N, Taneva, L., Trumbore, S., and Welker, J. M. 2010. Decomposition of old organic matter as a result of a deeper active layer in a snow manipulation experiment. Oecologia 163: 785-792.

11. Czimczik, C., and Welker, J. M. 2010. Age and sources of soil respiration from High Arctic tundra in NW Greenland. Arctic, Antarctic and Alpine Research 42: 342:350.

12. Stevenson^, B. A., Kelly, E., McDonald, E., Busacca. A., and Welker, J. M. 2010. Oxygen isotope ratios in Holocene carbonates across a climatic gradient eastern Washington State, USA: Evidence for seasonal effects on pedogenic mineral isotopic composition. The Holocene 20: 575-583.


13. Vachon, R. W., J. M. Welker, J. W. C. White, and B. H. Vaughn (2010), Monthly precipitation isoscapes (δ¹⁸O) of the United States: Connections with surface temperatures, moisture source conditions, and air mass trajectories, J. Geophys. Res., 115, D21126, doi:10.1029/2010JD014105.

14. Vachon, R. W., Welker, J. M., White, J. W., and B. H. Vaughn. 2010. Moisture source temperatures and precipitation d¹⁸O-temperature relationships across the US. Water Resources Research 46: W07523

15. Liu, Z,. Bowen, G., Welker, J. M. 2010. Precipitation isotope (d¹⁸O) gradients depict modern atmospheric circulation over the conterminous United States. J. Geophys. Research 115: D22120, doi:10.1029/2010JD014175.

16. Springer, G. S., Rowe, H. D., Hardt, B., Edwards, R. L., Welker, J. M., Cheng, H. 2010. A tropical origin for seasonality and the abrupt Mid to Late Holocene climatic transition in eastern North America based on a 7000 year d¹⁸O record in stalagmite calcite. Holocene (submitted).

17. Vachon, R, W., and Welker, J. M. 2010. New insights into the isotope thermometer gleaned from a dissection of the Rayleigh Distillation Model (under peer review).

18. Craine, J., A. Elmore, M. Aidar, R.Amundson, M.Bustamante, C. Coetsee T. Dawson, H. Hawkins, E. Hobbie, A. Kahmen, K. Koba, M. Mack, M. Makarov, K. McLauchlan, A. Michelsen, G. Nardoto, L. Pardo, J. Peñuelas, P. Reich, E. Schuur, W. Stock, R. Tateno, P. Templer, R.Virginia, J. M. Welker, I. Wright. 2009. Global patterns of foliar nitrogen isotopes and their relationships with nitrogen availability. New Phytologist 183: 980-992.

19. Sjostrom, D. and Welker, J. M. 2009. Storm-track trajectories control the isotope geochemistry of precipitation in the Eastern US. Exploration Geology-Isobalance Special Issue 102:103-112

20. Still, C. J., Riley, W.J., Biraud, S.C., Noone, D.C., Buenning, N.H., Randerson J.T., Torn, M.S., Welker, J. M., White, J.W.C., Vachon, R., Farquhar, G.D., and Berry, J.A. 2009. The influence of clouds and diffuse radiation on ecosystem-atmosphere CO₂ and CO¹⁸O exchanges. Biogeosciences 7: 210-217.

21. Sullivan, P.F. and Welker, J. M. 2007. Variation in leaf physiology of Salix arctica within and across ecosystems in the High Arctic: test of a dual isotope conceptual model. Oecologia 151: 372-386.

22. Vachon, R., White, J. W., Welker, J. M., Gutman, S. 2007. Seasonality of precipitation affects the annual isotopic (d¹⁸O) values across the United States:  a sensitivity study. Geophysical Research Letters 34 L21707.

23. McGuire, K.J., McDonnell, J.J., Weiler, M., McGlynn, B.L., Kendall, C., Welker, J. M., Seibert, J. 2005. The role of topography on catchment-scale water residence time.  Water Resource Research 41: 1-14.

24. Kohn, M. and Welker, J. M. 2005. Precipitation d¹⁸O-temperature relations: a reexamination.  Earth and Planetary Sciences Letters 231: 87-96.

25. Dutton, A. L., Wilkinson, B.H., Welker, J. M., and K. C Lohmann. 2005. Comparison of River Water and Precipitation d¹⁸O Across the 48 Contiguous United States. Hydrological Processes 19: 3551-3572.

26. Welker, J. M., Fahnestock, J. T., G. Henry, K. O’dea, R. Chimner. 2004. CO₂ exchange in the Canadian High Arctic: Response to long-term warming. Global Change Biology 10: 1981-1995.

27. Welker, J. M., Jonsdottir. I. and Fahenstock, J. T.  2003. Isotopic (d¹³C and d¹⁵N) characteristics of Carex plants and populations along the Eurasian Coastal Arctic.  Polar Biology 27: 29-37.

28. Bowling, D. R., McDowell, N. G., Welker, J. M., Bond, B. J., Law, B. E., Ehleringer, J. R. 2003. Oxygen isotope content of CO₂ in nocturnal ecosystem respiration. 1. Observations in forests along a precipitation transect in Oregon, U. S. A. Global Biogeochemical Cycles 17: 4, 1120.

29. Bowling, D. R., McDowell, N. G., Welker, J. M., Bond, B. J., Law, B. E., Ehleringer, J. R. 2003. Oxygen isotope content of CO₂ in nocturnal ecosystem respiration. 2. Short-term dynamics of foliar and soil component fluxes in an old-growth ponderosa pine forests. Global Biogeochemical Cycles 17, 4, 1124.

30. Larson, R. M., Todd, L. C., Kelly, E. F., and Welker, J. M. 2001. Carbon isotopic analysis of bison denition. Great Plains Research 11: 25-64.

31. Welker, J. M. 2000. Isotopic (d¹⁸O) characteristics of weekly precipitation collected across the United States: An initial analysis with application to water source studies. Hydrological Processes 14: 1449-1464.

32. Harvey, F. E. and Welker, J. M. 2000. Stable isotopic composition of precipitation in the semi-arid north-central portion of the US Great Plains. J. of Hydrology 238: 90-109.

33. Dodd, M. B., Lauenroth, W. K., and Welker, J. M. 1998. Differential water resource use by herbaceous and woody plants in a shortgrass steppe community. Oecologia 117: 504-512.

34. Welker, J. M., Heaton, T.H.E., Sprio, B. and Callaghan, T.V. 1995. Indirect effects of winter climate on the d¹³C and the dD characteristics of annual growth segments in the long-lived, arctic clonal plant Cassiope tetragona.  Palaeoclimate Research 15: 105-120.

35. Welker, J. M., Gordon, D. R., and Rice, K. J. 1991. Capture and allocation of nitrogen by Quercus douglasii seedlings in competition with annual and perennial grasses. Oecologia 87:459-466.

36. Welker, J. M., Rykiel, E. J., Briske, D. D. and Goeschl, J. D. 1985. Carbon import among vegetative tillers within two bunchgrasses: Assessment with carbon-11 labeling. Oecologia 67:209-212.