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NODC Accession 0115765 includes chemical, meteorological, physical and underway - surface data collected from CAPE HATTERAS in the Gulf of Mexico from 2009-01-09 to 2010-03-21 and retrieved during cruise 32KZ20090109, 32KZ20090420, 32KZ20090719 and 32KZ20100311. These data include BAROMETRIC PRESSURE, CARBON DIOXIDE - AIR, Partial pressure (or fugacity) of carbon dioxide, SALINITY and SEA SURFACE TEMPERATURE. The instruments used to collect these data include Carbon dioxide (CO2) gas analyzer and Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement. These data were collected by Wei-Jun Cai of University of Delaware; College of Earth, Ocean, and Environment; School of Marine Science and Policy as part of the Coastal_Cape Hatteras_GM_0901, Coastal_Cape_Hatteras_GM_0904, Coastal_Cape_Hatteras_GM_0907 and Coastal_Cape_Hatteras_GM_1003 data set. The Global Coastal Carbon Data Project data includes the bottle (discrete) and surface (underway) carbon-related measurements from coastal research cruises, the data from time series cruises and coastal moorings. The coastal regions data are very important for the understanding of carbon cycle on the continental margins.