Abstract
The International Atomic Energy Agency (IAEA), in collaboration with the World Meteorological Organization (WMO) is conducting a world-wide survey of the isotope composition of precipitation. At present, around 60 stations are providing information on the stable isotope composition of precipitation over the South American continent. During the recent years, several national monitoring networks have been initiated (Argentina, Brazil, Chile, Ecuador, Peru). They provide a valuable contribution to the global IAEA/WMO database. The paper is focussed on spatial and temporal variability of the stable isotope composition of precipitation, observed over the South American continent. The relationship between isotopic signature of precipitation and climatically relevant parameters, such as surface air temperature or amount of precipitation is discussed in some detail.
Published Version
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