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SALINITY, HYDROSTATIC PRESSURE, SIGMA-THETA, FLUORESCENCE and other profile data collected in the Gulf of Guinea, Mediterranean Sea - Western Basin and others on the ALBATROSS IV, ENDEAVOR and other platforms cruises AL9306, AL9403II and others as part of

Shrnutí

Co poskytovatel nabízí?
ongoing release of a series of related datasets

Databázová licence
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Licence na obsah
Creative Commons CCZero

Způsob ověření
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Datum vydání
26 September 2015
Datum poslední změny
26 September 2015
Četnost aktualizací
asNeeded
Vydavatel
National Oceanic and Atmospheric Administration, Department of Commerce
Název
SALINITY, HYDROSTATIC PRESSURE, SIGMA-THETA, FLUORESCENCE and other profile data collected in the Gulf of Guinea, Mediterranean Sea - Western Basin and others on the ALBATROSS IV, ENDEAVOR and other platforms cruises AL9306, AL9403II and others as part of the GB project from 1993-05-22 to 1997-05-17 (NODC Accession 0107210)
Identifier
salinity-hydrostatic-pressure-sigma-theta-fluorescence-and-other-profile-data-collected-in-the-
Landing Page
http://catalog.data.gov/dataset/salinity-hydrostatic-pressure-sigma-theta-fluorescence-and-other-profile-data-collected-in-the-
Časové rozpětí
22 May 1993 — 17 May 1997
Language
eng

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Popis

NODC Accession 0107210 includes profile, biological and physical data collected aboard the ALBATROSS IV, ENDEAVOR, OCEANUS and SEWARD JOHNSON during cruises AL9306, AL9403II, EN268, OC301, OC303, SJ9503, SJ9505 and SJ9507 in the Gulf of Guinea, Mediterranean Sea - Western Basin, North Atlantic Ocean, North Pacific Ocean and Tyrrhenian Sea from 1993-05-22 to 1997-05-17. These data include SALINITY, HYDROSTATIC PRESSURE, SIGMA-THETA, FLUORESCENCE, Potential temperature (theta) and TRANSMISSIVITY. The instruments used to collect these data include CTD. These data were collected by Greg Lough and James P. Manning of National Marine Fisheries Service and Steve M. Bollens of Washington State University as part of GB. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NODC on 2013-04-26. The following is the text of the abstract provided by BCO-DMO: The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The particular MOCNESS system from which these CTD data came is one of three net systems. The MOCNESS-.25 carries nine rectangular nets (1/4-m2), usually with 64 micrometer mesh. In all three MOCNESS systems, the underwater unit sends a data frame, comprised of temperature, depth, conductivity, net-frame angle, flow count, time, number of open net, and net opening/closing, to the deck unit in a compressed hexadecimal format every 2 seconds and from the deck unit to a microcomputer every 4 seconds. Temperature (to approximately 0.01 deg C) and conductivity are measured with SEABIRD sensors. Normally, a modified T.S.K.-flowmeter is used. Both the temperature and conductivity sensors and the flowmeter are mounted on top of the frame so that they face horizontally when the frame is at a towing angle of 45deg. Calculations of salinity (to approximately 0.01 o/oo S), potential temperature (theta), potential density (sigma), the oblique and vertical velocities of the net, and the approximate volume filtered by each net are made after each string of data has been received by the computer. (Wiebe et al., 1985) In addition, data were collected from four other sensors attached to the frame: the Transmissometer, the Fluorometer, the Downwelling light sensor, and the Oxygen sensor. A SeaBird underwater pump was also included in the sensor suite. It should be noted that whenever the data are of questionable value, 50.000 is written in the particular data field. Unless otherwise indicated, these data have not been post-processed. For additional information, contact the chief scientist (http://globec.whoi.edu/jg/serv/globec/gb/inventory.html0?project,name_prin) for the cruise or the U.S. GLOBEC Data Management Office (http://globec.whoi.edu/globec-dir/contact_dmo.html) (DMO). Note: Some variables have been eliminated from the display but are nevertheless available. These variables include: oxycurrent, oxytemp, tempco, and echo. References Fofonoff and Millard, 1983, UNESCO technical papers in Marine Sciences, #44. Tucker, G.H., 1951. Relation of fishes and other organisms to the scattering of underwater sound. Journal of Marine Research, 10: 215-238. Wiebe, P.H., K.H. Burt, S. H. Boyd, A.W. Morton, 1976. The multiple opening/closing net and environmental sensing system for sampling zooplankton. Journal of Marine Research, 34(3): 313-326. Wiebe, P.H., A.W. Morton, A.M. Bradley, R.H. Backus, J.E. Craddock, V. Barber, T.J. Cowles and G.R. Flierl, 1985. New developments in the MOCNESS, an apparatus for sampling zooplankton and micronekton. Marine Biology, 87: 313-323. updated September 30, 2008. mda


Obecné informace


Právní informace

Tuto datovou sadu vytvořila vláda Spojených států, což znamená, že je považována za veřejné dílo. Americké autorské právo ale přiznává otevřený přístup pouze americkým občanům, takže předpokládáme, že pro zbytek světa jsou data v souladu s americkou politikou otevřených dat licencována pod CC Zero.
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