CARIACO


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Experiment:CARIACO
PIs*: Hu, Chuanmin | Muller-Karger, Frank
Start Time:1995-11-08 00:00:00
End Time:2017-01-12 16:30:11
North:11.300
South:10.472
East:-64.630
West:-64.800
Data Types: above_water, cast, pigment, scan
Parameters: ad ag allo alpha-beta-car anth ap aph beta-beta-car beta-eta-car bottle but-fuco c chl chl_a chl_a_allom chl_a_prime chl_b chl_c chl_c1 chl_c1c2 chl_c2 chl_c3 chlide_a cnw diadino diato dp dv_chl_a dv_chl_b ed epar es eu fuco gyro hex-fuco kd kl lsky lt ltt lu lut lw mpf mv_chl_a mv_chl_b neo npf par perid phaeo phide_a phytin_a ppc ppc_tcar ppc_tpg ppf pras pressure psc psc_tcar psc_tpg psp psp_tpg r rrs sal stimf tacc tacc_tchla tcar tchl tchl_tcar tchla_tpg tot_chl_a tot_chl_b tot_chl_c tpg viola void volfilt wt zea
*Listed alphabetically

DOI

10.5067/SeaBASS/CARIACO/DATA001

Description

Since November 1995, the CARIACO Ocean Time Series program has been studying the relationship between surface biogeochemical processes and the vertical fluxes of carbon and nutrients in a continental margin setting influenced by seasonal upwelling. This tectonic depression, located on the continental shelf of Venezuela, shows marked seasonal and interannual variation in hydrography and primary production induced in part by the regular migration of the Intertropical Convergence Zone (ITCZ). Between December and May, the Cariaco Basin experiences dry, upwelling-favorable weather. This leads to primary production of ~1.4 gC m-2 d-1 (upper 100 m). From June to November is the rainy season, winds are weaker and upwelling is reduced; primary production falls to half the rate observed during upwelling. The ultimate goal of CARIACO is to understand how meteorological and upper ocean hydrographic conditions affect primary production, dissolved inorganic carbon, CO2 fugacity, bacterial productivity and respiration, and vertical particle fluxes, and how variation in these parameters are reflected in the basin's sedimentary record, which is well known for storing high-frequency global climate signals.

URL

http://www.imars.usf.edu/CAR/index.html

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