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NO AA 
National Oceanic and Atmospheric Administration, USA 
NSDIC 
National Snow and Ice Data Center 
PASODOBLE 
Promote Air Quality Services integrating Observations - 
Development Of Basic Localised Information for Europe 
PROMOTE 
PROtocol MOnitoring for the GEMS Service ElemenT AtmospherE 
QA/SAC 
Quality Assurance / Science Assessment Centre (within GAW) 
RA 
Regional Association (WMO) 
SAF 
EUMETSAT Satellite Application Facility 
SAR 
Synthetic Aperture Radar 
SCIAMACHY 
Scanning Imaging Absorption Spectrometer for Atmospheric Cartog 
raphy 
SOOP 
Ship of Opportunity Programme 
TerraSAR 
German radar satellite 
UBA 
Umweltbundesamt (Federal Environmental Agency) 
UFS 
Umweltforschungsstation Schneefernerhaus (Environmental Rese 
arch Station Schneefernerhaus) 
UNEP 
United Nations Environment Programme 
UNESCO 
United Nations Educational, Scientific and Cultural Organization 
UNFCCC 
United Nations Framework Convention on Climate Change 
UTC 
Coordinated Universal Time 
VOS 
Voluntary Observing Ships 
VOSCIim 
Voluntary Observing Ship Climate Project 
WCP 
World Climate Programme (WMO) 
WCRP 
World Climate Research Programme 
WDC-RSAT 
ICSU/ WMO World Data Centre for Remote Sensing of the Atmos 
phere 
WGMS 
World Glacier Monitoring Service 
WMO 
World Meteorological Organization 
WOCE 
World Ocean Circulation Experiment 
WRMC 
World Radiation Monitoring Centre 
WWW 
World Weather Watch (of WMO) 
XBT 
Expendable Bathythermograph 
ZMAW 
Zentrum für Marine und Atmosphärische Wissenschaften (Centre for 
Marine and Atmospheric Sciences), University of Hamburg