Cape Verde Ocean Observatory tropical eastern North Atlantic Latitude:   17.6000     Longitude:   -24.3000 Associated Investigators: Arne Kortzinger , Cordula Zenk ,   Bjorn Fiedler   Related Web Sites: [CVOO Web Site]   CVOO stands for Cape Verde Ocean Observatory. Observation is fundamental to understanding global climate change. Atmospheric change impacts marine ecosystems, and the atmosphere is influenced by ocean physical and biogeochemical processes. Many impacts/feedbacks are focused in the Tropics. CVOO is part of the Cape Verde Observatory (17.6 N 24.3 W) which consists of operational atmosphere and ocean monitoring sites for various climate-relevant environmental parameters in the tropical Eastern North Atlantic Ocean. The entire region, as many tropical areas, is data poor but plays a key role in air-sea interaction. The ocean site measures temperature, salinity, biological parameters, nutrients, dissolved carbon and oxygen, and include an oceanographic long-term mooring for in-situ observations. Cape Verdean research vessel Islandia is equipped with state of the art instruments to collect samples for marine parameters. Novel observational platforms such as gliders or profiling floats are used within the framework of various field studies at CVOO. Collected data is set into context of observations at the atmospheric site (CVAO) which measures meteorological parameters, greenhouse and short-lived gases, and aerosols. Linked data between both observatories provides highly valuable information about processes at the ocean-atmosphere interface.