Online Links:
Online Links:
Sta 4579 Output data format Column 1, salt water depth, meter (0.000) Column 2, water temperature (standard ITS-90), deg C (0.0000) Column 3, salinity, practical salinity units (PSU) (0.0000) Column 4, water density, sigma-t, kilograms per cubic meter (0.0000) Column 5, fluorescence, milligrams per cubic meter (0.0000) Column 6, turbidity, nephelometric turbidity units (NTU) (0.0000) Column 7, if data flagged, indicates error in data collection -0.196 21.2059 0.0000 -2.0511 -0.0449 -0.0084 0.000e+00 -0.198 21.2044 0.0000 -2.0508 -0.0403 0.1717 0.000e+00 -0.198 21.2032 0.0000 -2.0505 0.0299 0.0221 0.000e+00 -0.199 21.2022 0.0000 -2.0503 0.0116 0.0500 0.000e+00 -0.199 21.1997 0.0000 -2.0498 -0.0052 0.0545 0.000e+00 -0.199 21.1985 0.0000 -2.0495 -0.0090 -0.0076 0.000e+00 -0.199 21.1982 0.0000 -2.0494 -0.0006 0.0099 0.000e+00If visible in the sample above, the presence of the ">" character is for formatting the metadata only. That character does not actually occur in the data.
SBE19plusV2, serial number 01906617 manufactured by Sea-Bird Electronics, Inc.
Firmware version: 2.2c Firmware date: 7 December 2009 Manufactured date: 29 July 2010 Software version: 2.3.0Internal sensors:
main temperature, serial number 01906617 main conductivity, serial number 01906617 main pressure, type, strain, serial number 3161799External sensors from WET Labs:
ECO-FLNTURT CHL, serial number FLNTURT-1798; WET Labs fluorometer, ECO-AFL/FL ECO-FLNTURT TURB, serial number FLNTURT-1798; WET Labs turbidity meter, ECO-NTUConfiguration:
Instrument battery operated; not connected to a conducting cable Profile mode: sampling rate 4 per second, averaged to provide each data point CTD deployed on the USGS SEABed Observation and Sampling System (SEABOSS)Data archive:
All data; downcast, drift, and upcastThe temperature (degrees C) sensor has the following specifications:
measurement range -5 to +35 degrees C; initial accuracy +-0.005; resolution 0.0001;The conductivity (S/m) has the following specifications:
measurement range 0 to 9 S/m; initial accuracy +- 0.0005; resolution varies: 0.00005 (most oceanic water; resolves 0.4 ppm in salinity) 0.00007 (high salinity water; resolves 0.4 ppm in salinity) 0.00001 (fresh water; resolves 0.1 ppm in salinity)
The strain gauge pressure:
measurement range 0 to full scale range: 20/100/350/600/1000/2000/3500/7000; initial accuracy +- 0.1% of full scale range; resolution 0.002% of full scale range.
The turbidity sensor:
wavelength 700 nm; sensitivity 0.01 NTU, rant 0-25 NTUFluorescence sensor:
Chlorophyll-a 470 nm EX/695 nm EM; sensitivity 0.2 micro-g/l; range 0-125 micro-g/l ChlPerson who carried out this activity:
Online Links:
Access_Constraints | None. |
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Use_Constraints | Not to be used for navigation. |
Data format: | The zip file contains the CTD cast data and the associated FGDC CSDGM metadata. in format TEXT Size: 1 |
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Network links: |
https://cmgds.marine.usgs.gov/data/field-activity-data/2017-030-FA/data/chemistry/2017-030-FA_CTD.zip https://doi.org/10.5066/P94GOZ7C https://cmgds.marine.usgs.gov/data/field-activity-data/2017-030-FA/ |