Deployment: AT21-04

2012-07-13 - 2012-07-29 Amazon River plume; NE coast of South America Platform:R/V Atlantis (vessel)

Description

ANACONDAS: Amazon iNfluence on the Atlantic: CarbOn export from Nitrogen fixation by DiAtom Symbioses
ROCA: River Ocean Continuum of the Amazon

WHOI cruise planning synopsis

Original data are available from the NSF R2R data catalog

Cruise Track over Salinity Climatology (Image from Dr. Ajit Subramaniam)

DatasetLatest Version DateCurrent State
Cruise Tracks from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume, NE coast of South America from 2010-2012 (ANACONDAS project)2013-02-19Final no updates expected
Size-fractionated zooplankton biomass in upper 150m or 500m from R/V Atlantis, R/V Knorr, and R/V Melville cruises AT21-04, KN197-08, and MV1110 in the Amazon River plume; NE coast of South America from 2010-20122017-03-02Final no updates expected
Size-fractionated zooplankton gut fluorescence for determination of grazing from R/V Atlantis, R/V Knorr, R/V Melville AT21-04, KN197-08, MV1110 in the Amazon River plume; NE coast of South America from 2010-2012 (ANACONDAS project)2013-12-26Preliminary and in progress
Abundance of zooplankton identified by major taxa from R/V Atlantis, R/V Knorr, R/V Melville AT21-04, KN197-08, MV1110 in the Amazon River plume; NE coast of South America from 2010-2012 (ANACONDAS project)2013-12-26Preliminary and in progress
Vertical distribution and density of N2 fixing cyanobacteria from R/V Atlantis, R/V Knorr, R/V Melville AT21-04, KN197-08, MV1110 in the Amazon River plume; NE coast of South America from 2010-2012 (ANACONDAS project)2014-01-02Preliminary and in progress
Phytoplankton: Microphytoplankton Station Counts from R/V Atlantis, R/V Knorr, R/V Melville AT21-04, KN197-08, MV1110 in the Amazon River plume; NE coast of South America from 2010-2012 (ANACONDAS project)2014-01-02Preliminary and in progress
Phytoplankton: Microphytoplankton Underway Counts from R/V Atlantis, R/V Knorr, R/V Melville AT21-04, KN197-08, MV1110 in the Amazon River plume; NE coast of South America from 2010-2012 (ANACONDAS project)2014-01-02Preliminary and in progress
Phytoplankton: Synechococcus Station Counts from R/V Atlantis, R/V Knorr, R/V Melville AT21-04, KN197-08, MV1110 in the Amazon River plume; NE coast of South America from 2010-2012 (ANACONDAS project)Preliminary and in progress
Pore water analysis obtained from multi cores from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume, NE coast of South America, 2010-2012 (ANACONDAS project)2014-02-06Preliminary and in progress
Solid phase analysis of sediments obtained from multi cores from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume, 2010-2012 (ANACONDAS project)2014-02-06Preliminary and in progress
Upper water column Ammonium measurements from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume, 2010-2012 (ANACONDAS project)2013-03-28Preliminary and in progress
Nitrogen fixation rates derived from acetylene reduction assays from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume, 2010-2012 (ANACONDAS project)2014-02-12Preliminary and in progress
CN - CN Fixation Rates from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume from 2010-2012 (ANACONDAS project)2014-02-12Preliminary and in progress
NOx - Low level Nitrate and Nitrite samples from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume from 2010-2012 (ANACONDAS project)2014-02-12Preliminary and in progress
PO4 - Low level Phosphate samples from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume from 2010-2012 (ANACONDAS project)2014-02-12Preliminary and in progress
Underway Advanced Laser Fluorometry (ALF) data from R/V Knorr, R/V Melville, R/V Atlantis KN197-08, MV1110, AT21-04 in the Amazon River plume from 2010-2012 (ANACONDAS project)2014-10-10Preliminary and in progress
Cruise Event Log from R/V Atlantis cruise AT21-04 in the Amazon River plume, NE coast of South America in July of 2012 (ANACONDAS project)2018-05-04Preliminary and in progress
CTD Averaged Bottle Data from R/V Atlantis cruise AT21-04 in the Amazon River plume, NE coast of South America in July of 2012 (ANACONDAS project)2018-07-30Preliminary and in progress
2019-03-13Preliminary and in progress
Underway data matched to nutrient concentrations and to stable isotope measurements of particulate nitrogen and carbon collected during R/V Atlantis cruise AT21-04 to the NE coast of South America in July of 20122019-03-13Under revision
Surface pCO2, bottle-corrected Chl a, and shipboard wind speed from cruises conducted during 2010, 2011, and 2012 off the Northeast coast of Brazil in the Amazon River Plume as part of the ANACONDAS project2021-04-20Final no updates expected

People

Chief Scientist: Patricia L. Yager
University of Georgia

Synonyms

• AN12

• ANACONDAS

• ROCA

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Funded by the U.S. National Science Foundation