15 http://www.osi-saf.org 
31 /41 
Contributing 
Networks speci 
fied in the 
GCOS Imple 
mentation Plan 
ECVs 
Number of 
Stations or 
Platforms 
currently 
operating 
Number of 
Stations or 
Platforms 
operating in 
accordance 
with the 
GCMPs 
Number of 
Stations or 
Platforms 
expected to 
be operating 
in 2010 
Number of 
Stations or 
Platforms 
providing 
data to the 
Internation 
al Data Cen 
tres 
Number of 
Stations or 
Platforms 
with com 
plete his 
torical 
record 
available 
in Interna 
tional Data 
Centres 
Global tropical 
moored buoy 
network 
All feasible 
surface and 
subsurface 
ECVs 
None 
None 
None 
None 
None 
Argo network 
Temperature, 
Salinity, 
Current 
120 
120 
250 
120 
257 
Sustained and 
repeated ship- 
based hydrog 
raphy network 
All feasible 
ECVs Includ 
ing those that 
depend on 
obtaining 
water sam 
ples 
5 sections 
with 50 sta 
tions each 
5 sections with 
50 stations 
each 
5 sections 
with 50 sta 
tions each 
5 sections 
with 50 sta 
tions each 
5 sections 
with 50 
stations 
each 
Carbon invento 
ry survey lines 
Temperature, 
Salinity, 
Ocean Trac 
ers, Blogeo- 
chemlstry 
variables 
3 sections 
with 50 sta 
tions 
3 sections with 
50 stations 
3 sections 
with 50 sta 
tions 
3 sections 
with 50 sta 
tions 
3 sections 
with 50 
stations 
3.3 Satellite observations 
Table 4: Global Products requiring Satellite Observations - Oceans 
ECVs / 
Global Products requiring Satellite Observations 
Fundamental Climate Data Records required for 
Product Generation 
(from past, current and future missions) 
Sea Ice 
Sea -Ice concentration 
Microwave and visible Imagery. EUMETSAT: AVHRR 
on METOP contributes; data availability until 2018 and 
beyond; see also webpages of the Ocean and Sea Ice 
SAF 15 . TerraSAR-X and Sentinel-1 (launch 2011) 
provide SAR Imagery for this purpose.