The Biogeosphere-Atmosphere Stable Isotope Network (BASIN) facilitates research using stable isotopes to study ecosystem processes in the hydrological cycle at various scales, particularly in response to environmental and land use change and impacts on the global carbon cycle.
BASIN is a Research Coordination Network funded by the National Science Foundation, NSF (see proposal). It is an international effort to bring together ecologist, hydrologists, and atmospheric scientists to share new data, synthesize information, and exchange methodologies for characterizing the isotopic composition of ecosystem components (e.g., precipitation, soil moisture, water vapor, river water, plant and soil organic matter, respiration, photosynthesis, transpiration).
BASIN complements FLUXNET, the international network of meteorological tower sites measuring the net ecosystem CO2 exchange (NEE) and evapotranspiration (ET) in different ecosystems. By combining NEE and ET with stable isotope measurements, we can better partition the components of NEE and ET fluxes within an ecosystem, and gain insights on the processes controlling sources and sinks on large scales.
BASIN hosts meetings, workshops, discussions, and a web-based database for scientists from all disciplines interested in carbon and water cycle research.


  • Meeting Summary "Routine application of novel stable isotope spectroscopy instruments", December 12, 2010,
    Berkeley, CA webpage
  • The Roles of Stable Isotopes in Water Cycle Research, March 29-31, 2011, Keystone, Colorado, USA website
  • International Symposium on Isotopes in Hydrology, Marine Ecosystems, and Climate Change Studies, March 27-April 1, 2011, Monaco website
  • Sessions announced for AGU Fall Meeting, December 13-17, 2010, abstracts accepted July 21-Sept 2 Meetings
  • Recent paper: Moisture source temperatures and precipitation d18O-temperature relationships across the United States; Vachon RW, JM Welker, JWC White and BH Vaughn, Water Resources Research 46, W07523, doi:10.1029/2009WR008558, 2010 link
  • Recent paper: Discrepancies between isotope ratio infrared spectroscopy and isotope ratio mass spectrometry for the stable isotope analysis of plant and soil waters: West AG, GR Goldsmith, PD Brooks and TE Dawson, Rapid Communications in Mass Spectrometry 24(14): 1948-1954. pdf


  • Postdoctoral Research Associate - Purdue University, May 2, 2011
  • Teaching and Research Fellow in Biogeochemistry - Sydney, Australia, March 1, 2011
  • Postdoctoral Research Fellow in Terrestrial Biogeochemistry - UCLA, Dec 6, 2010
  • Postdoctoral Research Fellow in Terrestrial Biogeochemistry - Bioemco Grignon, Paris, France, Dec 6, 2010
  • PhD Research Assistantship - University of Utah Nov 10, 2010
  • Professional Research Assistant/Scientific Programmer - University of Colorado Oct 29, 2010
  • PhD Student - University of Colorado Oct 29, 2010
  • Wyoming Excellence Chair in Atmosphere-Biosphere Interaction - University of Wyoming Oct 25, 2010
  • Assistant Research Scientist - Stable Isotope Biogeochemistry - University of Maryland Oct 12, 2010
  • PhD positions - ecosystem-atmosphere water and carbon exchange in U.S. western ecosystems - San Diego State University/UC Davis Sept 16, 2010
  • Senior R&D Engineer - Picarro Inc. Sept 13, 2010
  • Post-Doctoral Researcher: Stable Isotope Biogeochemistry - UC Davis July 27, 2010
  • Research Scientist - Stable Isotope Lab Manager - University of Wyoming July 21, 2010
  • Research Associate-Chemist - Dauphin Island Sea Lab, University of Alabama July 1, 2010
  • Postdoctoral Research - Oxygen Isotopes and Tree Canopy Temperatures University of Pennsylvania May 5, 2010
  • MORE...


  • Isoscapes: Understanding movement, pattern, and process on Earth through isotope mapping. 2010. West, J.B.; Bowen, G.J.; Dawson, T.E.; Tu, K.P. (Eds.) website

  • Stable Isotopes as Indicators  of Ecological Change. 2007. Dawson, T.E. and Seigwolf, R.T.W. (Eds.) website


  • The Role of Stable Isotopes in Water Cycle Research, March 29-April 1, 2011, Colorado, USA website
  • 2010 AGU Fall Meeting, December 13-17, abstracts submissions July 21-Sept 2 see Meetings
  • MORE...



This material is based upon work supported by the National Science Foundation under Grant No. 0541849
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation


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