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  1. Add a drop of sample onto the blue prism surface and close the prism lid.
  2. Look through the eyepiece towards a source of light.
  3. Read the number at the boundary between blue and white as the value for salinity.

Data Available in LIMS

Expanded SALINTY Report:

ANALYSISTABLENAMEABOUT TEXT
SALINITYSAMPLEExpExp: expedition number
SALINITYSAMPLESiteSite: site number
SALINITYSAMPLEHoleHole: hole number
SALINITYSAMPLECoreCore: core number
SALINITYSAMPLETypeType: type indicates the coring tool used to recover the core (typical types are F, H, R, X).
SALINITYSAMPLESectSect: section number
SALINITYSAMPLEA/WA/W: archive (A) or working (W) section half.
SALINITYSAMPLEtext_idText_ID: automatically generated database identifier for a sample, also carried on the printed labels. This identifier is guaranteed to be unique across all samples.
SALINITYSAMPLEsample_numberSample Number: automatically generated database identifier for a sample. This is the primary key of the SAMPLE table.
SALINITYSAMPLElabel_idLabel identifier: automatically generated, human readable name for a sample that is printed on labels. This name is not guaranteed unique across all samples.
SALINITYSAMPLEsample_nameSample name: short name that may be specified for a sample. You can use an advanced filter to narrow your search by this parameter.
SALINITYSAMPLEx_sample_stateSample state: Single-character identifier always set to "W" for samples; standards can vary.
SALINITYSAMPLEx_projectProject: similar in scope to the expedition number, the difference being that the project is the current cruise, whereas expedition could refer to material/results obtained on previous cruises
SALINITYSAMPLEx_capt_locCaptured location: "captured location," this field is usually null and is unnecessary because any sample captured on the JR has a sample_number ending in 1, and GCR ending in 2
SALINITYSAMPLElocationLocation: location that sample was taken; this field is usually null and is unnecessary because any sample captured on the JR has a sample_number ending in 1, and GCR ending in 2
SALINITYSAMPLEx_sampling_toolSampling tool: sampling tool used to take the sample (e.g., syringe, spatula)
SALINITYSAMPLEchanged_byChanged by: username of account used to make a change to a sample record
SALINITYSAMPLEchanged_onChanged on: date/time stamp for change made to a sample record
SALINITYSAMPLEsample_typeSample type: type of sample from a predefined list (e.g., HOLE, CORE, LIQ)
SALINITYSAMPLEx_offsetOffset (m): top offset of sample from top of parent sample, expressed in meters.
SALINITYSAMPLEx_offset_cmOffset (cm): top offset of sample from top of parent sample, expressed in centimeters. This is a calculated field (offset, converted to cm)
SALINITYSAMPLEx_bottom_offset_cmBottom offset (cm): bottom offset of sample from top of parent sample, expressed in centimeters. This is a calculated field (offset + length, converted to cm)
SALINITYSAMPLEx_diameterDiameter (cm): diameter of sample, usually applied only to CORE, SECT, SHLF, and WRND samples; however this field is null on both Exp. 390 and 393, so it is no longer populated by Sample Master
SALINITYSAMPLEx_orig_lenOriginal length (m): field for the original length of a sample; not always (or reliably) populated
SALINITYSAMPLEx_lengthLength (m): field for the length of a sample [as entered upon creation]
SALINITYSAMPLEx_length_cmLength (cm): field for the length of a sample. This is a calculated field (length, converted to cm).
SALINITYSAMPLEstatusStatus: single-character code for the current status of a sample (e.g., active, canceled)
SALINITYSAMPLEold_statusOld status: single-character code for the previous status of a sample; used by the LIME program to restore a canceled sample
SALINITYSAMPLEoriginal_sampleOriginal sample: field tying a sample below the CORE level to its parent HOLE sample
SALINITYSAMPLEparent_sampleParent sample: the sample from which this sample was taken (e.g., for PWDR samples, this might be a SHLF or possibly another PWDR)
SALINITYSAMPLEstandardStandard: T/F field to differentiate between samples (standard=F) and QAQC standards (standard=T)
SALINITYSAMPLElogin_byLogin by: username of account used to create the sample (can be the LIMS itself [e.g., SHLFs created when a SECT is created])
SALINITYSAMPLElogin_dateLogin date: creation date of the sample
SALINITYSAMPLElegacyLegacy flag: T/F indicator for when a sample is from a previous expedition and is locked/uneditable on this expedition
SALINITYTESTtest changed_onTEST changed on: date/time stamp for a change to a test record.
SALINITYTESTtest statusTEST status: single-character code for the current status of a test (e.g., active, in process, canceled)
SALINITYTESTtest old_statusTEST old status: single-character code for the previous status of a test; used by the LIME program to restore a canceled test
SALINITYTESTtest test_numberTEST test number: automatically generated database identifier for a test record. This is the primary key of the TEST table.
SALINITYTESTtest date_receivedTEST date received: date/time stamp for the creation of the test record.
SALINITYTESTtest instrumentTEST instrument [instrument group]: field that describes the instrument group (most often this applies to loggers with multiple sensors); often obscure (e.g., user_input)
SALINITYTESTtest analysisTEST analysis: analysis code associated with this test (foreign key to the ANALYSIS table)
SALINITYTESTtest x_projectTEST project: similar in scope to the expedition number, the difference being that the project is the current cruise, whereas expedition could refer to material/results obtained on previous cruises
SALINITYTESTtest sample_numberTEST sample number: the sample_number of the sample to which this test record is attached; a foreign key to the SAMPLE table
SALINITYCALCULATEDTop depth CSF-A (m)Top depth CSF-A (m): position of observation expressed relative to the top of the hole.
SALINITYCALCULATEDBottom depth CSF-A (m)Bottom depth CSF-A (m): position of observation expressed relative to the top of the hole.
SALINITYCALCULATEDTop depth CSF-B (m)Top depth [other] (m): position of observation expressed relative to the top of the hole. The location is presented in a scale selected by the science party or the report user.
SALINITYCALCULATEDBottom depth CSF-B (m)Bottom depth [other] (m): position of observation expressed relative to the top of the hole. The location is presented in a scale selected by the science party or the report user.
SALINITYRESULTinstrument_usedRESULT instrument used: indication of whether the manual/optical or digital salinometer was used
SALINITYRESULTsalinityRESULT salinity (unitless): salinity number of the interstitial water sample (roughly parts-per-thousand salinity, but in the unitless PSU scale)
SALINITYRESULTssup_asman_idRESULT spreadsheet uploader ASMAN_ID: serial number for the ASMAN link for the spreadsheet uploader file
SALINITYRESULTssup_filenameRESULT spreadsheet uploader filename: file name for the spreadsheet uploader file
SALINITYSAMPLEsample descriptionSAMPLE comment: contents of the SAMPLE.description field, usually shown on reports as "Sample comments"
SALINITYTESTtest test_commentTEST comment: contents of the TEST.comment field, usually shown on reports as "Test comments"
SALINITYRESULTresult commentsRESULT comment: contents of a result parameter with name = "comment," usually shown on reports as "Result comments"



Archived Versions

Salinity User Guide: 29th September 2022