Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements of gross beta activity
Pollen and spores from a deep-sea core located west of the Niger Delta record an uninterrupted area of lowland rain forest in West Africa from Guinea to Cameroon during the last Interglacial and the e
We analyze sedimentary charcoal records to show that the changes in fire regime over the past 21,000 yrs are predictable from changes in regional climates. Analyses of paleo- fire data show that fire