Icebergs - Capabilities and Requirements (from IGOS Cryosphere Theme Report)
|
Parameter
|
C T O |
Measurement Range |
Measurement Accuracy |
Resolution |
Comment / Principal Driver |
||||||
|
Spatial |
Temporal |
||||||||||
|
L |
H |
U |
V |
U |
V |
U |
V |
U |
|||
|
Limit of iceberg area |
C |
NA |
NA |
km |
10 |
km |
10 |
km |
1 |
day |
SAR, SLAR airborne reconnaissance |
|
T |
NA |
NA |
km |
10 |
km |
10 |
km |
2 |
hour |
same |
|
|
O |
NA |
NA |
km |
10 |
km |
10 |
km |
2 |
hour |
same |
|
|
Concentration of icebergs |
C |
0 |
100 |
% |
10 |
% |
1 |
deg |
1 |
day |
same |
|
T |
0 |
100 |
% |
<10 |
% |
1 |
deg |
1 |
day |
same |
|
|
O |
0 |
100 |
% |
<5 |
% |
1 |
deg |
1 |
day |
same |
|
|
Iceberg position |
C |
NA |
NA |
|
10 |
% |
1 |
km |
1 |
day |
same |
|
T |
NA |
NA |
|
<10 |
% |
1 |
km |
1 |
day |
same |
|
|
O |
NA |
NA |
|
<5 |
% |
1 |
km |
2 |
hour |
same |
|
|
Iceberg Size |
C |
0.01 |
100 |
km |
30 |
% |
.01 |
km |
1 |
day |
same |
|
T |
.001 |
100 |
km |
30 |
% |
.01 |
km |
1 |
day |
same |
|
|
O |
.001 |
100 |
km |
30 |
% |
.001 |
km |
1 |
hour |
same |
|
|
Iceberg Draft |
C |
1 |
1000 |
m |
30 |
% |
10 |
m |
1 |
day |
shipborne, modelling |
|
T |
1 |
1000 |
m |
30 |
% |
1 |
m |
1 |
day |
altimeter (for large bergs) |
|
|
O |
1 |
1000 |
m |
30 |
% |
1 |
m |
2 |
hour |
altimeter |
|
|
Iceberg Mass |
C |
0 |
NA |
kg |
30 |
% |
15 |
km |
1 |
day |
shipborne, modelling |
|
T |
0 |
NA |
kg |
30 |
% |
15 |
km |
1 |
day |
altimeter (for large bergs) |
|
|
O |
0 |
NA |
kg |
30 |
% |
10 |
km |
2 |
hour |
altimeter |
|
|
Iceberg Velocity |
C |
0 |
30 |
km day-1 |
10 |
% |
1 |
km day-1 |
1 |
day |
SAR, SLAR, scatterometer visible/IR |
|
T |
0 |
30 |
km day-1 |
10 |
% |
1 |
km day-1 |
1 |
day |
SAR, SLAR, scatterometer visible/IR |
|
|
O |
0 |
30 |
km day-1 |
10 |
% |
0.5 |
km day-1 |
2 |
hour |
SAR, SLAR, scatterometervisible/IR |
|
Codes are as follows: C = Current Capability, T = Threshold Requirement (Minimum necessary), O= Objective Requirement (Target), L = Low end of measurement range, U = Unit, H = High end of measurement range, V = Value, cl = climate, op = operational.