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CARIACO Ocean Time Series program, Cariaco Basin, Venezuela

Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/seabass/cariaco/data001

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.

Description

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.

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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.

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Catalogue records · 3

Topics

Inferred from text
Oceanography 69%
Provenance · 2 source records, 26 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC1633360177-OB_DAAC14 d agoJSON v1
NASA Data Portala7b375b2-0169-4ad9-a053-9cfa8710810311 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
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concepts[field].local:field:chemistrymapping · data nasa govconnector:data_nasa_gov@1.0.0
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concepts[field].local:field:ocean-atmosphericmapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[field].local:field:physicsmapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/ocean-chemistrysource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/ocean-opticssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/ocean-temperaturesource · NASA CMRconnector:nasa_cmr@1.0.0
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concepts[platform].gcmd_platform:water-based-platformssource · NASA CMRconnector:nasa_cmr@1.0.0
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