CARIACO Project Cruise Report Technical Memorandum CARIACO CRUISE Cruise number: CAR73_1 Cruise dates: 11 dic, 2001 Geographical location: Cariaco Basin, SE Caribbean Sea Station location: CARIACO time series station occupied at 10.48 N, 64.67 W Scope of the Program: This is a monthly hydrographic program conducted as part of the CARIACO (CArbon Retention In A Colored Ocean) program. Data collected and instruments used: - Physical/chemical characteristics of the water: -CTD (SBE 25) -Discrete oxygen observations -Discrete salinity observations -Nutrients -Bio-optics: (11 dic, 2001) - PRR-600 (Profiling Reflectance Radiometer) profiling radiometry: 7 bands Ed, Es (412, 443, 490, 532, 555, 665, 683 nm) 7 bands Lu (412, 443, 490, 532, 555, 665, 683 nm) - Above-water radiometry (Spectrascan 380-780 nm, 4 nm resolution) Upwelling radiance Downwelling irradiance Remote Sensing Reflectance - c-beam attenuation coefficient at 660 nm (transmissometer profile) - particulate absorption coefficient (ap) -Biology: - primary productivity - pigments (chlorophyll a, phaeopigments) - Particulate Organic Carbon / Particulate Organic Nitrogen - Bacterias -Phytoplankton taxonomy -Chlorophyll CARIACO Project Cruise Report Technical Memorandum