Mineral dust in East Antarctica: Assessing the contribution from remote and local dust sources from the last glacial maximum to present-day

2012 ◽  
Vol 279-280 ◽  
pp. 114
Author(s):  
Barbara Delmonte
Keyword(s):  
Last Glacial Maximum ◽  
Mineral Dust ◽  
Glacial Maximum ◽  
East Antarctica ◽  
Last Glacial ◽  
Dust Sources ◽  
Local Dust ◽  
The Last Glacial Maximum ◽  
The Last Glacial

Comparing modeled and observed changes in mineral dust transport and deposition to Antarctica between the Last Glacial Maximum and current climates

2011 ◽  
Vol 38 (9-10) ◽  
pp. 1731-1755 ◽  
Author(s):  
Samuel Albani ◽  
Natalie M. Mahowald ◽  
Barbara Delmonte ◽  
Valter Maggi ◽  
Gisela Winckler
Keyword(s):  
Last Glacial Maximum ◽  
Mineral Dust ◽  
Glacial Maximum ◽  
Dust Transport ◽  
Last Glacial ◽  
The Last Glacial Maximum ◽  
The Last Glacial

Bunger Hills, East Antarctica: Ice free at the Last Glacial Maximum

Geology ◽  
2001 ◽  
Vol 29 (12) ◽  
pp. 1103 ◽  
Author(s):  
D.B. Gore ◽  
E.J. Rhodes ◽  
P.C. Augustinus ◽  
M.R. Leishman ◽  
E.A. Colhoun ◽  
...  
Keyword(s):  
Last Glacial Maximum ◽  
Glacial Maximum ◽  
East Antarctica ◽  
Last Glacial ◽  
The Last Glacial Maximum ◽  
The Last Glacial

Mineral aerosols: a comparison of the last glacial maximum and preindustrial Holocene

2000 ◽  
Vol 37 (5) ◽  
pp. 751-767 ◽  
Author(s):  
M C Reader ◽  
I Fung ◽  
N McFarlane
Keyword(s):  
Last Glacial Maximum ◽  
Mineral Dust ◽  
Ice Cores ◽  
Glacial Maximum ◽  
Dust Aerosol ◽  
Climate Modelling ◽  
Polar Ice ◽  
Last Glacial ◽  
The Last Glacial Maximum ◽  
The Last Glacial

A passive mineral dust aerosol model based on source strengths deduced from polar ice core dust concentrations is introduced into the Canadian Centre for Climate Modelling and Analysis (CCCma) second-generation atmospheric general circulation model (GCMII) and used to compare features of the fine particle mineral dust aerosol in a last glacial maximum (LGM) simulation to those of a preindustrial Holocene (MOD) dust simulation. The resulting dust optical thickness is 8-16 times greater over most of the globe during the LGM. The model displays several seasonal characteristics observed in present-day satellite observations of dust, such as the summer maximum over the Arabian Sea and the seasonal north-south shift of the Sahara-Sahel plume. Both of these features are also present in the LGM simulation, though there are some noticeable differences in seasonal variation of dust between the last glacial maximum and the preindustrial Holocene. Since the simulated dust lifetimes are very similar for the MOD and LGM climates, it seems that increased LGM dust lifetime is not the major reason for the observed increase in dust concentration in polar ice cores during the LGM relative to the present.

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