raw.wcann: Raw West Coast Annual Raw data set for the West Coast Annual...
In rBatt/trawlData: Read and Clean Data from Bottom Trawl Surveys

Raw West Coast Annual

Raw data set for the West Coast Annual bottom trawl survey

raw.wcann

A dim = 217514 x 19 data.table data.frame:

[,1]	Trawl Id	integer64	cleans up to `haulid`, a unique identifier for the haul; vessel ID - cruise ID - haul number
[,2]	Species	character	cleans up to `spp`, species scientific name; Genus species
[,3]	Haul Weight (kg)	numeric	cleans up to `weight`, the weight (mass) of all items in the net (may be extrapolated)
[,4]	Individual Average Weight (kg)	numeric	insert_description_here
[,5]	Survey	character	insert_description_here
[,6]	Survey Cycle	character	cleans up to `year`, year of haul
[,7]	Vessel	character	cleans up to `vessel`, vessel ID
[,8]	Cruise Leg	integer	insert_description_here
[,9]	Trawl Performance	character	insert_description_here
[,10]	Trawl Date	character	cleans up to `date`, date of the tow
[,11]	Trawl Start Time	character	cleans up to `datetime`, the day and time of the haul
[,12]	Best Latitude (dd)	numeric	cleans up to `lat`, latitude of the haul
[,13]	Best Longitude (dd)	numeric	cleans up to `lon`, longitude of the haul, in western hemisphere degrees (for lon > 0, do lon-360)
[,14]	Best Position Type	character	insert_description_here
[,15]	Best Depth (m)	numeric	cleans up to `depth`, the maximum depth of the water at the location of the haul
[,16]	Best Depth Type	character	insert_description_here
[,17]	Trawl Duration (min)	numeric	cleans up to `towduration`, the duration (time) for the tow
[,18]	Area Swept by the Net (hectares)	numeric	insert_description_here
[,19]	Temperature At the Gear (degs C)	numeric	cleans up to `btemp`, water temperature at the bottom at the location of the haul