South Atlantic Crossing (SACROSS), Cruise No. M133, 15.12.2016 - 13.01.2017, Cape Town (South Africa) - Stanley (Falklands).

Visbeck, Martin , Siccha, Michael , Handmann, Patricia, Falk, Christine, Hahn, Tobias, Trassierra, Jaqueline and Campen, Hanna (2017) South Atlantic Crossing (SACROSS), Cruise No. M133, 15.12.2016 - 13.01.2017, Cape Town (South Africa) - Stanley (Falklands). Open Access . METEOR-Berichte, M133 . DFG-Senatskommission für Ozeanographie, Bremen, Germany, 71 pp. DOI 10.2312/cr_m133.

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The cruise M133 SACROSS (South Atlantic Crossing) was a multidisciplinary ocean survey of the South Atlantic gyre roughly along 34.5°S. This transect is covered by the international SAMOC moored array and also the path of the internationally agreed AX18 XBT line. Most of the measurements were based on using underway methods including near-surface water sampling for the determination of SST, and SSS as well as shipboard ADCP current observations. Moreover, an underway CTD allowed to sample the upper 300-400 m every hour. Chemical analysis of surface waters as well as atmospheric parameter were of scientific interest to both compare different regions with each other but also to document long term trends. At the western and eastern boundary current regime full water column water mass properties were measured. Upper ocean 10-700m plankton assemblages allow improving the calibration of sediment proxies. Water samples for later lab-based biodiversity analysis were taken. A number of smaller student projects were carried out as part of a global ocean learning and capacity building effort.
Finally, continuous swath bathymetry mapping was made, and a number of floats and drifters were launched in support of the global ocean observing system arrays. The cruise was very successful, all objectives were reached, and the measurements were carried out as planned.

Document Type: Report (Cruise Report)
Keywords: RV Meteor, M133, Cruise report, Fahrtbericht,
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-CH Chemical Oceanography
OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-PO Physical Oceanography
DOI etc.: 10.2312/cr_m133
ISSN: 2195-8475
Projects: SACROSS
Date Deposited: 03 Jul 2019 11:08
Last Modified: 03 Jul 2019 11:08

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