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UNIVERSITY OF CALIFORNIA, IRVINE A ... - IceCube Berkeley

UNIVERSITY OF CALIFORNIA, IRVINE A ... - IceCube Berkeley

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scattering coefficient [m -1 ]<br />

1<br />

0.1<br />

bubbles<br />

dominate<br />

South Pole<br />

800 1000 1200 1400 1600 1800 2000 2200<br />

A<br />

depth [m]<br />

B C<br />

λ = 532 nm<br />

£§£ ¢¡¤£ <br />

¤£¥ £ <br />

<br />

<br />

<br />

dust concentration [ng/g]<br />

2500<br />

2000<br />

1500<br />

1000<br />

500<br />

£ ¦¥ ¡ ¦¥¦ ¡¨§ <br />

LGM<br />

A<br />

<br />

B C<br />

Vostok<br />

D<br />

0<br />

0 20 40 60 80 100 120 140 [kyr]<br />

0 1200 1600 2000 2300 2500 2650 2730 [m]<br />

corresponding depth if in South Pole ice<br />

¨ <br />

§ ¨ <br />

<br />

§ ¨ <br />

<br />

¥ ¢ <br />

<br />

<br />

<br />

D

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