AMS - Accelerator Mass Spectrometry 
AO - Arctic Oscillation 
ATM - Division of ATMospheric Sciences 
BE - Biocomplexity in the Environment 
BIO - Directorate for Biosciences 
BP - before present 
CCM-1 - Community Climate Model-1 
CCSP - Climate Change Science Program 
CSBE - Center for Synthesis in Biologi… 
DDIG - Doctoral Dissertation Improveme… 
DEB - Division of Environmental Biolog… 
DSDP - Deep Sea Drilling Project 
EAR - Division of Earth Sciences 
EPA - Environmental Protection Agency 
ERE - Environmental Research and Educa… 
EROC - Ecological Rates of Change 
ESH - Earth Systems History Program 
ESPRI - Earth Surface Processes Resear… 
GE - Geology and Paleontology Program 
GEG - Geobiology and Environmental Geo… 
GEO - Directorate for Geosciences 
GEON - Geosciences Network 
GLD - Geomorphology and Land Use Dynam… 
GPD - Global Pollen Database 
GTER - Geologic Time Ecological Resear… 
IGERT - Integrative Graduate Education… 
IODP - Integrated Ocean Drilling Progr… 
ITDMS - Isotope Dilution Mass Spectrom… 
LTER - Long-Term Ecological Research 
MESH - Marine Aspects of Earth Systems…