The researchers are also planning to use more complex and realistic computer models to delve deeper into the potential changes in the global silica cycle since the last glacial maximum
. These might include more accurate representations of ocean currents, recycling of silica in the water column, and potential changes to the marine algal community.
Portage, Michigan lies upon deposits of glacial outwash from the Last Glacial Maximum
, and drift from earlier glacial advances.
Key words: ecological niche modelling, Last Glacial Maximum
, Last Interglacial, phylogeography, Pleistocene, Trochilidae
During the Last Glacial Maximum
(LGM), most Andean glaciers moved down slope and reached their lowermost positions at about 3000 m in the eastern Andes of Colombia, Ecuador and northern Peru (Rodbell 1994).
Anyway, several models have suggested that the sea level dropped by about 100 m during the last glacial maximum
Earth and environmental scientists explore some of the ways that climate warming since the Last Glacial Maximum
, some 20,000 years ago, has triggered geological events, primarily because of the shift in weight on the lithosphere as stationary glaciers melt and become moving oceans.
"This is a key observation, as large cats have suffered severe range contractions since the last glacial maximum
, whereas wolves and bears have ranges that remain similar to their Pleistocene ranges," he said.
"The early onset of pottery making meant that food preparation intensified during the last glacial maximum
," says Harvard University archaeologist and study coauthor Ofer Bar-Yosef.
Dr Pala said: "The end of the Last Glacial Maximum
(Ice Age) allowed people to recolonise the parts of Europe that had been deserted and this expansion allowed increase of human populations.
At the last glacial maximum
, the lower sea levels once again connected Asia and North America, and this time a new character was added to the cast.
Consequently, these molluscs predate the last glacial maximum
and date from a previous flooding episode in the Arabian Gulf, most likely the last interglacial eustatic sea level high at 120 ka.
THE CLIMATE OF THE LAST GLACIAL MAXIMUM
: EQUILIBRIUM STRENGTH OF THE THC