300
Diekmann et al.
Harmonic Spectrum
Period (ka)
100
41
23
100
41
23
100
41
23
%-Chl
0.50 - r - - - - - - - - - , - r - - - - - - - - - - , - , - - - - - - - - ,
Q)
Kao/ Chl Ratio
u
%-Kao
c
' "
.~
Tcrit. : 0.065
>
0.065
0.071
T crit.: 0.065
0.25
T).:
0.286
'iU
E
0
z
0.00
Cross Spectrum (vs. _/) 18 0 SPECMAP, Imbrie et al. 1984)
1.00 -r-=----=-------, -,----------,
>u
c
~
Q)
0.50
.c
0
()
0.00
a
0.0500 0
0.0500
0
Frequency (cycles ka- 1)
Phase Spectrum (vs. _0 18 0 SPECMAF/ lce Volume, Imbrie et al. 1984)
Minimal Ice
Volume
T),:
100-ka Period
C=========~J./~
+9 ka
~
41-ka Period
Cl
=
Cl
23-ka Period
Cl
-
-5 ka
Oka
+5 ka
0.187
00500
95
0.085
kO
0.65
Max.'%NADW
(Raymo at al. 1990)
Max. Kao/Chl
Ratio (PS2495)
Max. %-Kao
(PS2495)
Min. %-Chl.
(PS2495)
Max. KaotChl
Ratio (PS2082)