Parameter Tree:
EARTH SCIENCE > PALEOCLIMATE > ICE CORE RECORDS > IONS

Definition:
Pertaining to the measurement of various electrostatically charged
compounds found in ice cores. Ions can be analyzed to infer human, biological,
and volcanic activity, as well as ocean water conditions.


Reference:
GISP2 ice core (Greenland) and Climate Change:
http://www.gisp2.sr.unh.edu/GISP2/MoreInfo/Ice_Cores_Past.html