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NODC Accession 0110791 includes biological, chemical, discrete sample, meteorological, physical, profile and underway - surface data collected from ROGER REVELLE in the Bay of Bengal and Indian Ocean from 2007-03-22 to 2007-05-01 and retrieved during cruise 33RR20070322 and CLIVAR I09N_2007. These data include AIR TEMPERATURE, ALKALINITY, BAROMETRIC PRESSURE, CARBON DIOXIDE - AIR, CARBON DIOXIDE - PARTIAL PRESSURE - DIFFERENCE, CHLOROFLUOROCARBON-11 (CFC-11), CHLOROFLUOROCARBON-113 (CFC-113), CHLOROFLUOROCARBON-12 (CFC-12), DISSOLVED INORGANIC CARBON, DISSOLVED ORGANIC CARBON, DISSOLVED OXYGEN, FLUORESCENCE, HYDROSTATIC PRESSURE, NITRATE, NITRITE, NITROGEN - COMBINED, PHOSPHATE, Partial pressure (or fugacity) of carbon dioxide, Potential temperature (theta), SALINITY, SEA SURFACE TEMPERATURE, SILICATE, WATER TEMPERATURE, WIND DIRECTION and WIND SPEED. The instruments used to collect these data include Alkalinity titrator, Barometric pressure sensor, CTD, Carbon dioxide (CO2) gas analyzer, Coulometer for DIC measurement, Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement, Spectrophotometer for pH measrement, bottle and thermosalinographs. These data were collected by Frank J. Millero of Rosenstiel School of Marine and Atmospheric Science, Dr. Rik H. Wanninkhof of US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory and Richard A. Feely and Christopher Sabine of US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory as part of the CLIVAR I09N_2007 and CLIVAR I09N_2007 Underway data data set. The International CLIVAR Global Ocean Carbon and Repeat Hydrography Program carries out a systematic and global re-occupation of select WOCE/JGOFS hydrographic sections to quantify changes in storage and transport of heat, fresh water, carbon dioxide (CO2), and related parameters.