Fróðskaparrit - 01.01.2009, Síða 168

166
CHEMICAL SEDIMENT VARIABLES FROM THE FAROE AREA:
ORGANIC CONTENT, NITROGEN, PHOSPHORUS, ZINC, AND COPPER
3 .a Nitrogen
ó O) ^ 1
0-19m 20-39m 40-59m 60-82m
3.c Phosphorus/LOI
0,04 •&0.02 0,00 * i I 1 ■
0-19m 20-39m 40-59m 60-82m
3.e Zinc
60 I40 20 A f 1
0-19m 20-39m 40-59m 60-82m
3g Copper
80 51 60 E 40 20 iiíi
0-19m 20-39m 40-59m 60-82m
3.b 0,15 0,10 -§0,05 0,00 -0,05 Nitrogen/LOI
■ 1 lJ 1 P *
0-19m 20-39m 40-59m 60-82m

3 d Phosphorus
1,0 ^0,5 flíl f i
0-19m 20-39m 40-59m 60-82m

3-/ 2,5 2 „1,5 O) ’ ~0) 1 E 0,5 0 -0,5 Zinc/LOI
Q Q J I í
0-19m 20-39m 40-59m 60-82m

3 M 4,0 3,0 o)2,0 CT) E 1,0 0,0 Copper/LOI
i i I 1 Q
-1,U 0-19m 20-39m 40-59m 60-82m
Figure 3. Sediment values (± standard deviation) in relation to depth intervals (Table 1). Left side shows absolute
values and right side figures show the values related to the organic content of the sample.
12.0. When copper values are compared to
sediment types, the sand-type has a lower
mean value than the other sediment types,
34 mg/kg compared to 66, 60, 61 and 54
mg/kg dry matter (Fig 4.g and 4.h).
Previously reported data
From the literature, we have found eight re-