The returned mat file has a structure called venusdata. All the information is returned in the structure as follows:
Click here for the extraction program “venusExtract.m”…
An example of the returned matlab structure:
venusdata =
searchby: ‘INSTRUMENT’ (can be by instrument or water property)
starttime: ’2008-02-27T00:00:00.000Z’ (search start date/time)
endtime: ’2008-09-27T23:00:00.000Z’ (search end date/time)
deviceinfo: [1x1 struct] (all device information)
locationinfo: [1x1 struct] (all location information)
data: [1x1 struct] (all data)
waterpropertynames: {‘Conductivity’} (names of water properties in data)
The Device Information:
venusdata.deviceinfo =
devicedates: {’2008-02-27T00:00:00.000Z’ ’2008-09-27T00:00:00.000Z’} (Active device dates)
devicecode: {‘SBECTD16p4997′} (VENUS device code)
devicename: {‘Seabird CTD 16 plus 4997′}
sampleperiod: [7.3347e+005 7.3368e+005 6.9444e-004] (sample date from in matlab time, sample date to in matlab time, sample rate in matlab time)
The Location Information:
venusdata.locationinfo =
region: ‘Saanich Inlet’ (VENUS region)
nodelocation: ‘Central Node’ (VENUS node location)
sitedates: {’2008-02-27T00:00:00.000Z’ ’2008-09-27T00:00:00.000Z’} (Active site dates)
sites: {‘VIP-07′} (All sites queried during search)
latitude: 48.6512 (All site latitudes queried during search)
latitudeunits: ‘decimal degrees N’
longitude: 123.4861 (All site latitudes queried during search)
longitudeunits: ‘decimal degrees W’
depth: 96 (Mean depth of site)
depthunits: ‘m’
The Data:
venusdata.data =
matlabtime: [305380x1 double] (data timestamp)
Conductivity: [305380x1 double] (data)
Conductivity_units: ‘S/m’
Conductivity_QC_flag: [305380x1 double] (date quality control)
