Dataset: CTD_CH0112
Deployment: CH0112

CTD data from 39 stations from CH0112 cruise.

Principal Investigator:

George McManus (University of Connecticut, UConn - Avery Point)

Co-Principal Investigator:

BCO-DMO Data Manager:

Shannon Rauch (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

Diversity and dynamics of planktonic ciliates - what can next-generation sequencing technologies tell us? (CiliateSequencing)

Current State:

Final no updates expected

Version:

07 June 2013

Version Date:

2013-06-07

Data URL:

https://osprey.bco-dmo.org/dataset-deployment/455997/data

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Description

Temperature, conductivity, fluorescence, and oxygen measured by CTD are reported for 39 stations sampled during July 2012 on the CH0112 cruise (R/V Cape Hatteras).

Methods & Sampling

Dataset acquisition description

23 stations were sampled along a transect from Narragansett, RI to the shelf break. 16 stations were sampled on the way back.

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Header information from CTD files:
Sea-Bird SBE 9 Data File:
Software Version Seasave V 7.20a
Temperature SN = 0967
Conductivity SN = 0626
Number of Bytes Per Scan = 41
Number of Voltage Words = 4
Number of Scans Averaged by the Deck Unit = 1
Append System Time to Every Scan
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Data Processing Description

Dataset Processing Description

CTD processing: SeaSoft (V 7.20a) was used to convert from hexadecimal raw data, then a low pass filter was made on T and C data, using SeaSoft to synchronize instrument time constants. loopedit was used in SeaSoft to smooth out loops in the CTD path as it went down.

NOTE: Fluorescence values should be interpreted as "arbitrary units" because calibrations have not been applied.

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-1129734	NSF Division of Ocean Sciences
OCE-1130033	NSF Division of Ocean Sciences

Instruments

CTD Sea-Bird 9

Supplied Description:

Instrument Type

Generic Name: CTD Sea-Bird 9

Acronym: CTD SBE 9

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/130/

Generic Description:

The Sea-Bird SBE 9 is a type of CTD instrument package. The SBE 9 is the Underwater Unit and is most often combined with the SBE 11 Deck Unit (for real-time readout using conductive wire) when deployed from a research vessel. The combination of the SBE 9 and SBE 11 is called a SBE 911. The SBE 9 uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 and SBE 4). The SBE 9 CTD can be configured with auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorometer, altimeter, etc.). Note that in most cases, it is more accurate to specify SBE 911 than SBE 9 since it is likely a SBE 11 deck unit was used. more information from Sea-Bird Electronics

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
sta	Station ID number.	unitless	sta
lat_start	Latitude at start of CTD cast. North = positive.	decimal degrees	lat_start
lon_start	Longitude at start of CTD cast. West = negative.	decimal degrees	lon_start
month_start	2-digit month at start of cast.	mm (01 to 12)	month_start
day_start	2-digit day of month at start of cast.	dd (01 to 31)	day_start
year	4-digit year in YYYY format.	unitless	year
time_start	Time at start of cast (UTC).	HHMM.mm	time_start
ISO_DateTime_UTC	Date/time (UTC) at start of cast formatted to ISO 8601 standard.	YYYY-MM-DDTHH:MM:SS[.xx]Z	ISO_DateTime_UTC
press	Pressure	decibars	press
depth	Depth	meters	depth
cond	Conductivity in Siemens per meter.	S/m	cond
temp	Temperature (degrees Celsius) from primary sensor.	degrees C	temp
temp2	Temperature (degrees Celsius) from secondary sensor.	degrees C	temp2
fluor	Chlorophyll fluorescence (micrograms per liter) measured by Chelsea Aqua 3 sensor. Fluorescence values should be interpreted as "arbitrary units" because calibrations have not been applied.	ug/L	fluor
O2	Oxygen (milligrams per liter) measured by SBE 43 sensor.	mg/L	O2_mg_L
scan	CTD scan number.	integer	scan

Database

Contribute Data

Dataset: CTD_CH0112
Deployment: CH0112

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: CTD_CH0112Deployment: CH0112

Dataset acquisition description

Dataset Processing Description

Dataset: CTD_CH0112
Deployment: CH0112