Project
2025 West Coast Groundfish Bottom Trawl Survey and Indices of Abundance
Dataset
West Coast Groundfish Bottom Trawl Survey Data
Dataset Description
This data set contains information on date, time, vessel, trawl identification (i.e. unique number), trawl performance, location, depth, area swept, trawl duration, temperature, species, haul weight, average individual weight, sex, length, length method, fish age and age structure.
Data contact
Beth Horness
InPort Dataset Reference
18418
Table
Trawl Haul Characteristics
Table description
Operation details including dates, times, location, depths, tempuratures, etc
InPort Entity Reference
36439
Web Service End Point
https://www.nwfsc.noaa.gov/data/api/v1/source/trawl.operation_haul_fact/selection.json
Metadata Service End Point
https://www.nwfsc.noaa.gov/data/api/v1/source/trawl.operation_haul_fact/variables
Web Application
https://www.nwfsc.noaa.gov/data/map
Source URL
https://www.webapps.nwfsc.noaa.gov/apex/f?p=parr:trawl_haul_characteristics:0
Preferred Citation
Please see external data source for proper citation information.
Actual Station Design Dim$Transect Station Longitude Dd (NUMBER)
high precision value of transect station longitude measured in decimal degrees
Record Number (TEXT)
An indication of the total number of records in the data. Added to help indicate how much data should be expected when accessing or downloading, so end users know if they got all the data.
Operation Dim$Return Port Whid (NUMBER)
port reference for return port
Accessed Date (TEXT)
The date on which this data was accessed or downloaded. Added when data is delivered to record when the data was downloaded.
Distance Hb2end M Der (NUMBER)
Estimate of the distance traveled by the trawl net during the period following the start of net haulback (start of haulback to net liftoff period) in meters. Expected to be estimated from a hierarchy of methods favoring the use of gear positions derived by the ITI or from its bearing and horizontal range traces, including input from some form of gyrocompass
Source Url (TEXT)
The human interface access point for this data table.
Performance (TEXT)
performance of the operation
Preferred Citation (TEXT)
The preferred citation for this data table.
Actual Station Design Dim$Upper Right Latitude Whid (NUMBER)
upper right latitude warehouse identifier for a design type of grid
Nonspecific Organics Weight Kg (NUMBER)
Total non-specific organics weight in kilograms
Gear Start Longitude Dim$Longitude Minute Units (NUMBER)
numeric representation of longitude that makes up the minute unit only
Vessel Start Latitude Dim$Latitude Second Units (NUMBER)
numeric representation of latitude that makes up the second unit only
Actual Station Design Dim$Upper Right Longitude Whid (NUMBER)
upper right longitude warehouse identifier for a design type of grid
Gear Depth M Der (NUMBER)
Single point estimate for depth at the gear in meters for a haul. The standard up through present has been the mean over the center 80 percent of the tow duration from the best depth sensor trace within the haul
Sampling End Time Dim$Hour (NUMBER)
standard representation of the hour
O2 At Gear Ml Per L Der (NUMBER)
Single point estimate for oxygen concentration in milliliters/Liter at the gear for a haul. The standard up through present has been the mean over the center 80 percent of the tow duration of the best oxygen concentration sensor trace within the haul
Sampling Start Hhmmss (TEXT)
concatenation of military hour, minute, second, example 230415 equates to 23:04:15
Gear Start Latitude Dim$Latitude In Degree Minute Second (TEXT)
string representation of latitude in degrees, minutes, and seconds for example 45°25'01"
Gear End Latitude Dd (NUMBER)
Latitude at the gear when sampling ceases (net liftoff for trawling).
Target Station Design Dim$Stn Invalid For Trawl Date Whid (NUMBER)
station design invalidation date warehouse identifier
Operation Dim$Scientist 1 Person Whid (NUMBER)
person reference for the first scientist
Mean Seafloor Dep Boundary (TEXT)
depth boundry indicator identifying ifp boundary marks
Actual Station Design Dim$Variance Depth M2 (NUMBER)
high precision value of variance depth mesured in squared meters
Target Station Design Dim$Variance Depth M2 (NUMBER)
high precision value of variance depth mesured in squared meters
Vessel Start Latitude Whid (NUMBER)
Warehouse identifier for vessel start latitude
Target Station Design Dim$Min Depth Whid (NUMBER)
minimum depth warehouse identifier
Gear End Latitude Dim$Latitude In Degrees (NUMBER)
numeric representation of latitude in degrees
Salinity At Gear Psu Der (NUMBER)
Single point estimate for salinity in degrees C at the gear for a haul. The standard up through present has been the mean over the center 80 percent of the tow duration of the best salinity sensor trace within the haul. This CTD sensor trace is ordinarily subjected to a skew filter followed by a weighted mean algorithm rather than a simple descriptive mean calculation
Target Station Design Dim$Transect Station Longitude Dd (NUMBER)
high precision value of transect station longitude measured in decimal degrees
Station Ul Lon Dd (NUMBER)
high precision value of upper left longitude of design type grid measured in decimal degrees
Actual Station Design Dim$Lower Right Latitude Whid (NUMBER)
lower right latitude warehouse identifier for a design type of grid
Actual Station Design Dim$Max Latitude Dd (NUMBER)
high precision value of maximum latitude measured in decimal degrees
Target Station Design Dim$Max Latitude Whid (NUMBER)
maximum latitude warehouse identifier for a design type of transect
Vessel End Longitude Dim$Longitude Minute Units (NUMBER)
numeric representation of longitude that makes up the minute unit only
Actual Station Design Dim$Upper Right Latitude Dd (NUMBER)
high precision value of upper right latitude of design type grid measured in decimal degrees
Pass (NUMBER)
pass number of the survey
Sampling End Time Dim$Period (TEXT)
period of time
Actual Station Design Dim$Reason Station Invalid (TEXT)
reason station was invalidated, multiple reasons are comma separated
Gear Start Longitude Dim$Longitude Compass Direction (TEXT)
longitude compass direction
Vessel Start Latitude Dd (NUMBER)
Latitude at the vessel when sampling commences (net touchdown for trawling).
Date Whid (NUMBER)
warehouse identifier for date
Actual Station Design Dim$Area Hectares (NUMBER)
station area measured in hectares
Gear End Longitude Dim$Longitude In Degrees (NUMBER)
numeric representation of longitude in decimal degrees
Actual Station Design Dim$Upper Left Latitude Whid (NUMBER)
upper left latitude warehouse identifier for a design type of grid
Midtow Position Type (TEXT)
Method used for deriving the haul latitude/longitude single point
Target Station Design Dim$Min Latitude Whid (NUMBER)
minimum latitude warehouse identifier for a design type of transect
Centroid Id (NUMBER)
eight character code representing a unique identifier for a grid cell that is composed of a truncated latitude and longitude central to the cell. For example, 46252413 represents latitude 46 degrees 25 minutes and longitude -124 degrees and 13 minutes. The grid cells are small enough that 8 characters captures uniqueness. Note that these are NOT technically or mathematically centroids of the polygons.
Vessel End Longitude Dim$Longitude Degree Units (NUMBER)
numeric representation of longitude that makes up the degree unit only
Gear End Longitude Dim$Longitude Minute Units (NUMBER)
numeric representation of longitude that makes up the minute unit only
Operation Dim$Field Operation Seg Id (NUMBER)
operation segment id reference to the field operational segment table
Vessel End Latitude Dim$Latitude Second Units (NUMBER)
numeric representation of latitude that makes up the second unit only
Latitude Dim$Latitude Degree Units (NUMBER)
numeric representation of latitude that makes up the degree unit only
Depth M (NUMBER)
depth low precision measurement in meters to the tenth of a meter (except for special fathom boundaries)
Target Station Design Dim$Upper Right Longitude Whid (NUMBER)
upper right longitude warehouse identifier for a design type of grid
Target Station Design Dim$Mean Depth Whid (NUMBER)
mean depth warehouse identifier
Target Station Design Dim$Station Design Type (TEXT)
type of design underlying the survey station set: Transect or Grid to date
Gear Start Latitude Dim$Latitude Degree Units (NUMBER)
numeric representation of latitude that makes up the degree unit only
Station Ur Lat Dd (NUMBER)
high precision value of upper right latitude of design type grid measured in decimal degrees
Gear End Longitude Dim$Longitude Second Units (NUMBER)
numeric representation of longitude that makes up the second unit only
Haul Longitude Dim$Longitude Minute Units (NUMBER)
numeric representation of longitude that makes up the minute unit only
Haul Latitude Dim$Latitude Second Units (NUMBER)
numeric representation of latitude that makes up the second unit only
Station Ll Lat Dd (NUMBER)
high precision value of lower left latitude of design type grid measured in decimal degrees
Gear Start Longitude Dim$Longitude In Degrees (NUMBER)
numeric representation of longitude in decimal degrees
Actual Station Design Dim$Upper Left Longitude Dd (NUMBER)
high precision value of upper left longitude of design type grid measured in decimal degrees
Station Lr Lon Dd (NUMBER)
high precision value of lower right longitude of design type grid measured in decimal degrees
Sampling End Time Dim$Second (NUMBER)
number of seconds in the minute
Haul Longitude Dim$Record Type (TEXT)
longitude record type or reason record is unavailable
Vessel End Longitude Dim$Record Type (TEXT)
longitude record type or reason record is unavailable
Latitude Dim$Latitude Compass Direction (TEXT)
latitude compass direction
Gear End Latitude Dim$Latitude Degree Units (NUMBER)
numeric representation of latitude that makes up the degree unit only
Gear End Latitude Dim$Latitude In Degree Minute Second (TEXT)
string representation of latitude in degrees, minutes, and seconds for example 45°25'01"
Vessel End Latitude Dd (NUMBER)
Longitude at the vessel when sampling commences (net touchdown for trawling).
Program (TEXT)
type of fram program
Station Code (TEXT)
unique identifier for a station definition
Target Station Design Dim$Max Depth Whid (NUMBER)
maximum depth warehouse identifier
Depth Ftm (NUMBER)
depth low precision measurement in fathoms converted from meters measured to the tenth of a meter except for special fathom boundaries
Vessel End Longitude Dim$Longitude In Degrees (NUMBER)
numeric representation of longitude in decimal degrees
Operation Dim$State Registration Number (TEXT)
state registration number for the vessel
Temperature At Surface C Der (NUMBER)
Single point estimate for surface temperature in degrees C for a haul. This has been collected in various ways over the course of the survey. It is likely that the PI-associated temperature sensor would be the most reliable; other sources would have to be evaluated for survey cycles preceding the introduction of this sensor unit. It is ordinarily expected that the depth represented by the temperature estimate be provided in association with the temperature estimate itself
Net Width M Der (NUMBER)
Single point estimate for spread at the net wings in in meters for a haul. The standard up through present has been the mean over the center 80 percent of the tow duration of the best wingspread trace within the haul
Operation Dim$Operation Start Time Whid (NUMBER)
start time reference for the operation
Vessel End Longitude Dim$Longitude Compass Direction (TEXT)
longitude compass direction
Vessel Start Latitude Dim$Latitude Minute Units (NUMBER)
numeric representation of latitude that makes up the minute unit only
Latitude Dim$Record Type (TEXT)
latitude record type or reason record is unavailable
Actual Station Design Dim$Station Design Type (TEXT)
type of design underlying the survey station set: Transect or Grid to date
Max Depth M (NUMBER)
high precision value of maximum depth measured in meters
Actual Station Design Dim$Transect Latitude Whid (NUMBER)
latitude warehouse identifier for a design type of transect
Operation Dim$Observer Program (TEXT)
description of the observer program
Vessel Start Longitude Dim$Record Type (TEXT)
longitude record type or reason record is unavailable
Date Dim$Year (NUMBER)
numeric representation of year
Actual Station Design Dim$Centroid Id (NUMBER)
eight character code representing a unique identifier for a grid cell that is composed of a truncated latitude and longitude central to the cell. For example, 46252413 represents latitude 46 degrees 25 minutes and longitude -124 degrees and 13 minutes. The grid cells are small enough that 8 characters captures uniqueness. Note that these are NOT technically or mathematically centroids of the polygons.
Operation Dim$Coast Guard Number (TEXT)
Coast Guard documentation number of vessel
Area Swept Ha Der (NUMBER)
Product of the net width and fished distance (touchdown to liftoff distance) in hectares
Target Station Design Dim$Mean Depth M (NUMBER)
high precision value of mean depth measured in meters
Target Station Design Dim$Record Type (TEXT)
station design record or reason record is unavailable
Date Yyyymmdd (TEXT)
text representation of year month day
Haul Latitude Dim$Latitude In Degree Minute Second (TEXT)
string representation of latitude in degrees, minutes, and seconds for example 45°25'01"
Haul Latitude Dim$Latitude Compass Direction (TEXT)
latitude compass direction
Sampling End Timestamp (TEXT)
Date and time that sampling stopped; almost exclusively the net liftoff time.
Gear Start Latitude Whid (NUMBER)
Warehouse identifier for gear start latitude
Vessel End Latitude Dim$Record Type (TEXT)
latitude record type or reason record is unavailable
Gear End Longitude Dim$Longitude Compass Direction (TEXT)
longitude compass direction
Temperature At Gear C Der (NUMBER)
Single point estimate for temperature in degrees C at the gear for a haul. The standard up through present has been the mean over the center 80 percent of the tow duration of the best temperature sensor trace within the haul
Vessel End Longitude Dim$Longitude In Degree Minute Second (TEXT)
string representation of longitude in degrees, minutes, and seconds for example 45°25'01"
Longitude Dim$Record Type (TEXT)
longitude record type or reason record is unavailable
Vessel Start Latitude Dim$Latitude In Degree Minute Second (TEXT)
string representation of latitude in degrees, minutes, and seconds for example 45°25'01"
Target Station Design Dim$Upper Right Latitude Whid (NUMBER)
upper right latitude warehouse identifier for a design type of grid
Sampling Start Time Dim$Record Type (TEXT)
time record or reason record is unavailable
Operation Dim$Departure Date Whid (NUMBER)
date reference that vessel departed for the defined leg or trip
Date Dim$Month Abbrev (TEXT)
three character representation of month in capital letters
Vessel End Longitude Whid (NUMBER)
Warehouse identifier for vessel end longitude
Vessel Start Latitude Dim$Record Type (TEXT)
latitude record type or reason record is unavailable
Vessel Start Longitude Dim$Longitude In Degree Minute Second (TEXT)
string representation of longitude in degrees, minutes, and seconds for example 45°25'01"
Vessel Start Longitude Dd (NUMBER)
Latitude at the vessel when sampling ceases (net liftoff for trawling).
Longitude Dd (NUMBER)
numeric representation of longitude in decimal degrees
Station Ur Lon Dd (NUMBER)
high precision value of upper right longitude of design type grid measured in decimal degrees
Operation Dim$Operation End Date Whid (NUMBER)
end date reference for the operation
Tow End Timestamp (TEXT)
operation end date timestamp
Operation Dim$Scientist 3 Person Whid (NUMBER)
person reference for the third scientist
Vessel Start Latitude Dim$Latitude In Degrees (NUMBER)
numeric representation of latitude in degrees
Actual Station Design Dim$Max Depth Whid (NUMBER)
maximum depth warehouse identifier
Longitude Dim$Longitude In Degree Minute Second (TEXT)
string representation of longitude in degrees, minutes, and seconds for example 45°25'01"
Operation Dim$Return Date Whid (NUMBER)
date reference that vessel returned for the defined leg or trip
Latitude Dim$Named Parallel (TEXT)
name of parallel, boundary, or commonly used geograpical location
Haul Longitude Dim$Longitude Compass Direction (TEXT)
longitude compass direction
Year (NUMBER)
operation year
Target Station Design Dim$Transect Latitude Whid (NUMBER)
latitude warehouse identifier for a design type of transect
Latitude Hi Prec Dd (NUMBER)
The latitude portion of a derived single point position for a haul in decimal degrees. Expected to be used generally for making spatial decisions about a haul or mapping it as a single point
Target Station Design Dim$Upper Left Latitude Whid (NUMBER)
upper left latitude warehouse identifier for a design type of grid
Operation Dim$Operation End Time Whid (NUMBER)
end time reference for the operation
Min Depth M (NUMBER)
high precision value of minimum depth measured in meters
Year Stn Invalid (NUMBER)
Survey year the station became invalid for trawl
Target Station Design Dim$Upper Left Longitude Whid (NUMBER)
upper left longitude warehouse identifier for a design type of grid
Station Ul Lat Dd (NUMBER)
high precision value of upper left latitude of design type grid measured in decimal degrees
Fluorescence At Surface Mg Per M3 Der (NUMBER)
Single point fluorescence estimate for a haul in micrograms of chlorophyll per liter. This estimate has not been computed to date; it is unknow what the best estimator would be, but likely a simple mean would be appropriate
Vessel Start Longitude Dim$Longitude Compass Direction (TEXT)
longitude compass direction
Seafloor Depth Whid (NUMBER)
warehouse identifier for seafloor depth
Vessel (TEXT)
name of the vessel used for the operation
Leg (NUMBER)
leg number of the survey
Gear Start Latitude Dim$Latitude Minute Units (NUMBER)
numeric representation of latitude that makes up the minute unit only
Vessel End Longitude Dim$Longitude Second Units (NUMBER)
numeric representation of longitude that makes up the second unit only
Actual Station Design Dim$Transect Latitude Dd (NUMBER)
high precision value of transect latitude measured in decimal degrees
Net Liftoff Time (TEXT)
military time representation of the time
Depth Hi Prec M (NUMBER)
Single point estimate for seafloor depth representing the overall seafloor depth in meters for the haul. The standard up through present has been the single point estimate of gear depth summed with the single point estimate of net height in meters
Target Station Design Dim$Transect Station Longitude Whid (NUMBER)
longitude on transect warehouse identifier for a design type of transect
Actual Station Design Dim$Station Grid Dd (TEXT)
collection of vertices of grid points of a grid design measured in decimal degrees
Vessel Start Longitude Dim$Longitude Degree Units (NUMBER)
numeric representation of longitude that makes up the degree unit only
Date Dim$Record Type (TEXT)
date, month, or year record or reason record is unavailable
Actual Station Design Dim$Lower Left Latitude Dd (NUMBER)
high precision value of lower left latitude of design type grid measured in decimal degrees
Operation Dim$Captain Person Whid (NUMBER)
person reference for the vessel captain
Target Station Design Dim$Lower Left Latitude Whid (NUMBER)
lower left latitude warehouse identifier for a design type of grid
Sample Duration Hr Der (NUMBER)
Difference in hours between the net liftoff and touchdown times
Longitude Dim$Longitude In Degrees (NUMBER)
numeric representation of longitude in decimal degrees
Vessel Start Longitude Dim$Longitude Second Units (NUMBER)
numeric representation of longitude that makes up the second unit only
Date Dim$Full Date (TEXT)
full date value
Operation Dim$Ifq Account Number (TEXT)
unique number assigned to user accounts in the Vessel Accounting Database
Gear Start Longitude Dim$Record Type (TEXT)
longitude record type or reason record is unavailable
Vessel End Latitude Whid (NUMBER)
Warehouse identifier for vessel end latitude
Station Ll Lon Dd (NUMBER)
high precision value of lower left longitude of design type grid measured in decimal degrees
Target Station Design Dim$Area Hectares (NUMBER)
station area measured in hectares
Gear End Latitude Dim$Named Parallel (TEXT)
name of parallel, boundary, or commonly used geograpical location
Gear End Latitude Dim$Record Type (TEXT)
latitude record type or reason record is unavailable
Vessel Start Latitude Dim$Named Parallel (TEXT)
name of parallel, boundary, or commonly used geograpical location
Gear End Latitude Dim$Latitude Compass Direction (TEXT)
latitude compass direction
Target Station Design Dim$Active Polygon Dd (TEXT)
collection of vertices of the usuable area inside a station grid measured in decimal degrees
Actual Station Design Dim$Active Polygon Dd (TEXT)
collection of vertices of the usuable area inside a station grid measured in decimal degrees
Gear Start Longitude Dd (NUMBER)
Longitude at the gear when sampling commences (net touchdown for trawling).
Actual Station Design Dim$Lower Right Longitude Whid (NUMBER)
lower right longitude warehouse identifier for a design type of grid
Distance Start2hb M Der (NUMBER)
Estimate of the distance traveled by the trawl net during the period preceeding the start of net haulback (net touchdown to start of haulback period) in meters. Expected to be estimated from a hierarchy of methods favoring the use of gear positions derived by the ITI or from its bearing and horizontal range traces
Target Station Design Dim$Transect Latitude Dd (NUMBER)
high precision value of transect latitude measured in decimal degrees
Target Station Design Dim$Lower Right Latitude Whid (NUMBER)
lower right latitude warehouse identifier for a design type of grid
Longitude Dim$Longitude Minute Units (NUMBER)
numeric representation of longitude that makes up the minute unit only
Sampling Start Time Dim$Second (NUMBER)
number of seconds in the minute
Actual Station Design Dim$Station Invalid Survey Year (NUMBER)
Survey year the station became invalid for trawl
Sampling Start Time Whid (NUMBER)
warehouse identifier for the sampling start time
Target Station Design Dim$Lower Right Longitude Whid (NUMBER)
lower right longitude warehouse identifier for a design type of grid
Vessel Start Latitude Dim$Latitude Degree Units (NUMBER)
numeric representation of latitude that makes up the degree unit only
Mean Seafloor Dep Position Type (TEXT)
Method used for deriving the seafloor depth single point
Target Station Design Whid (NUMBER)
warehouse identifier for target station design
Vessel End Latitude Dim$Named Parallel (TEXT)
name of parallel, boundary, or commonly used geograpical location
Longitude Dim$Longitude Second Units (NUMBER)
numeric representation of longitude that makes up the second unit only
Actual Station Design Dim$Transect Station Longitude Whid (NUMBER)
longitude on transect warehouse identifier for a design type of transect
Actual Station Design Dim$Station Code (TEXT)
unique identifier for a station definition
Latitude Dd (NUMBER)
numeric representation of latitude in degrees
Actual Station Design Dim$Station Design Name (TEXT)
name of the design for a collection of stations
Operation Dim$Departure Port Whid (NUMBER)
port reference for the departure port
Haul Longitude Dim$Longitude Degree Units (NUMBER)
numeric representation of longitude that makes up the degree unit only
Vessel End Latitude Dim$Latitude Compass Direction (TEXT)
latitude compass direction
Vertebrate Weight Kg (NUMBER)
Total catch vertebrate weight in kilograms
Vessel Start Longitude Whid (NUMBER)
Warehouse identifier for vessel start longitude
Haul Latitude Dim$Record Type (TEXT)
latitude record type or reason record is unavailable
Actual Station Design Dim$Upper Left Latitude Dd (NUMBER)
high precision value of upper left latitude of design type grid measured in decimal degrees
Turbidity Ntu Der (NUMBER)
Single point turbidity estimate for a haul in ntu (nephelometric turbidity units). This estimate has not been computed to date; it is unknow what the best estimator would be
Target Station Design Dim$Lower Left Longitude Whid (NUMBER)
lower left longitude warehouse identifier for a design type of grid
Operation Dim$Scientist 2 Person Whid (NUMBER)
person reference for the second scientist
Actual Station Design Dim$Upper Right Longitude Dd (NUMBER)
high precision value of upper right longitude of design type grid measured in decimal degrees
Actual Station Design Dim$Lower Left Longitude Dd (NUMBER)
high precision value of lower left longitude of design type grid measured in decimal degrees
Net Touchdown Time (TEXT)
military time representation of the time
Longitude Dim$Longitude Degree Units (NUMBER)
numeric representation of longitude that makes up the degree unit only
Operation Dim$Vessel Id (NUMBER)
field database vessel id number
Sampling Start Time Dim$Period (TEXT)
period of time
Gear Start Latitude Dd (NUMBER)
Latitude at the gear when sampling commences (net touchdown for trawling).
Gear End Longitude Dim$Longitude Degree Units (NUMBER)
numeric representation of longitude that makes up the degree unit only
Gear End Longitude Dd (NUMBER)
Longitude at the gear when sampling ceases (net liftoff for trawling).
Gear Start Latitude Dim$Latitude Compass Direction (TEXT)
latitude compass direction
Haul Latitude Whid (NUMBER)
warehouse identifier for haul latitude
Invertebrate Weight Kg (NUMBER)
Total catch invertebrate weight in kilograms
Trawl Id (NUMBER)
identifier for a sampling operation
Operation Dim$Operation Start Date Whid (NUMBER)
start date reference for the operation
Target Station Design Dim$Min Latitude Dd (NUMBER)
high precision value of minimum latitude measured in decimal degrees
Gear Start Latitude Dim$Record Type (TEXT)
latitude record type or reason record is unavailable
Gear Start Longitude Dim$Longitude Degree Units (NUMBER)
numeric representation of longitude that makes up the degree unit only
Gear Start Latitude Dim$Latitude Second Units (NUMBER)
numeric representation of latitude that makes up the second unit only
Gear Start Longitude Dim$Longitude Second Units (NUMBER)
numeric representation of longitude that makes up the second unit only
Haul Latitude Dim$Latitude Degree Units (NUMBER)
numeric representation of latitude that makes up the degree unit only
Vessel End Latitude Dim$Latitude In Degrees (NUMBER)
numeric representation of latitude in degrees
Sampling Start Time Dim$Hour (NUMBER)
standard representation of the hour
Actual Station Design Dim$Mean Depth M (NUMBER)
high precision value of mean depth measured in meters
Gear End Longitude Dim$Longitude In Degree Minute Second (TEXT)
string representation of longitude in degrees, minutes, and seconds for example 45°25'01"
Actual Station Design Dim$Max Depth M (NUMBER)
high precision value of maximum depth measured in meters
Gear End Longitude Dim$Record Type (TEXT)
longitude record type or reason record is unavailable
Latitude Dim$Latitude Minute Units (NUMBER)
numeric representation of latitude that makes up the minute unit only
Tow Start Timestamp (TEXT)
operation start date timestamp
Actual Station Design Dim$Mean Depth Whid (NUMBER)
mean depth warehouse identifier
Distance Start2end M Der (NUMBER)
Estimate of the distance traveled by the trawl net during the period it was fully in contact with the seafloor (net touchdown to liftoff period) in meters. Expected to be estimated from a hierarchy of methods favoring the use of gear positions derived by the ITI or from its bearing and horizontal range traces
Station Lr Lat Dd (NUMBER)
high precision value of lower right latitude of design type grid measured in decimal degrees
Actual Station Design Dim$Min Latitude Dd (NUMBER)
high precision value of minimum latitude measured in decimal degrees
Target Station Design Dim$Max Latitude Dd (NUMBER)
high precision value of maximum latitude measured in decimal degrees
Sampling End Time Whid (NUMBER)
warehouse identifier for the sampling end time
Longitude Hi Prec Dd (NUMBER)
The longitude portion of a derived single point position for a haul in decimal degrees. Expected to be used generally for making spatial decisions about a haul or mapping it as a single point
Operation Dim$Record Type (TEXT)
operation record or reason record is unavailable
Sampling End Hhmmss (TEXT)
concatenation of military hour, minute, second, example 230415 equates to 23:04:15
Date Dim$Month Name (TEXT)
text representation of month
Sampling Start Timestamp (TEXT)
Date and time that sampling began; almost exclusively the net touchdown time.
Operation Dim$Fpc Person Whid (NUMBER)
person reference for the FPC
Operation Dim Whid (NUMBER)
warehouse identifier for operation
Target Station Design Dim$Station Grid Dd (TEXT)
collection of vertices of grid points of a grid design measured in decimal degrees
Sampling End Time Dim$Record Type (TEXT)
time record or reason record is unavailable
Vessel Start Longitude Dim$Longitude In Degrees (NUMBER)
numeric representation of longitude in decimal degrees
Vessel Start Longitude Dim$Longitude Minute Units (NUMBER)
numeric representation of longitude that makes up the minute unit only
Tow (NUMBER)
operation number of the survey
Actual Station Design Dim$Stn Invalid For Trawl Date Whid (NUMBER)
station design invalidation date warehouse identifier
Vessel End Latitude Dim$Latitude Degree Units (NUMBER)
numeric representation of latitude that makes up the degree unit only
Haul Longitude Dim$Longitude Second Units (NUMBER)
numeric representation of longitude that makes up the second unit only
Actual Station Design Dim$Max Latitude Whid (NUMBER)
maximum latitude warehouse identifier for a design type of transect
Vessel Start Latitude Dim$Latitude Compass Direction (TEXT)
latitude compass direction
Gear Start Longitude Dim$Longitude In Degree Minute Second (TEXT)
string representation of longitude in degrees, minutes, and seconds for example 45°25'01"
Longitude Dim$Longitude Compass Direction (TEXT)
longitude compass direction
Date Dim$Day Of Month (NUMBER)
numeric representation of the day in month
Latitude Dim$Latitude In Degrees (NUMBER)
numeric representation of latitude in degrees
Sampling Start Time Dim$Minute (NUMBER)
number of minutes in the hour
Latitude Dim$Latitude In Degree Minute Second (TEXT)
string representation of latitude in degrees, minutes, and seconds for example 45°25'01"
Gear Start Latitude Dim$Named Parallel (TEXT)
name of parallel, boundary, or commonly used geograpical location
Seafloor Depth Dim$Record Type (TEXT)
depth record or reason record is unavailable
Actual Station Design Dim$Lower Left Longitude Whid (NUMBER)
lower left longitude warehouse identifier for a design type of grid
Project (TEXT)
project name
Sampling Start Time Dim$Military Hour (NUMBER)
military representation of the hour
Reason Stn Invalid (TEXT)
reason station was invalidated, multiple reasons are comma separated
Gear End Latitude Whid (NUMBER)
Warehouse identifier for gear end latitude
Actual Station Design Dim$Lower Right Latitude Dd (NUMBER)
high precision value of lower right latitude of design type grid measured in decimal degrees
Midtow Lat Named Parallel (TEXT)
name of parallel, boundary, or commonly used geograpical location
Haul Longitude Whid (NUMBER)
warehouse identifier for haul longitude
Sampling End Time Dim$Minute (NUMBER)
number of minutes in the hour
Vessel End Latitude Dim$Latitude In Degree Minute Second (TEXT)
string representation of latitude in degrees, minutes, and seconds for example 45°25'01"
Actual Station Design Dim$Lower Right Longitude Dd (NUMBER)
high precision value of lower right longitude of design type grid measured in decimal degrees
Actual Station Design Dim$Min Depth M (NUMBER)
high precision value of minimum depth measured in meters
Gear End Latitude Dim$Latitude Second Units (NUMBER)
numeric representation of latitude that makes up the second unit only
Gear End Longitude Whid (NUMBER)
Warehouse identifier for gear end longitude
Actual Station Design Dim$Lower Left Latitude Whid (NUMBER)
lower left latitude warehouse identifier for a design type of grid
Net Height M Der (NUMBER)
Single point estimate for net height at the net wings in in meters for a haul. The standard up through present has been the mean over the center 80 percent of the tow duration of the best height trace within the haul. It should be noted that the candidate traces for this estimate are the ITI headrope to footrope height and the PI headrope to bottom height sensor traces
Operation Dim$Scientist 4 Person Whid (NUMBER)
person reference for the fourth scientist
Actual Station Design Dim$Min Depth Whid (NUMBER)
minimum depth warehouse identifier
Sampling End Time Dim$Military Hour (NUMBER)
military representation of the hour
Actual Station Design Dim$Min Latitude Whid (NUMBER)
minimum latitude warehouse identifier for a design type of transect
Vessel End Longitude Dd (NUMBER)
Longitude at the vessel when sampling ceases (net touchdown for trawling).
Actual Station Design Whid (NUMBER)
warehouse identifier for station design
Operation Dim$Operation Type (TEXT)
type of operation
Haul Latitude Dim$Latitude Minute Units (NUMBER)
numeric representation of latitude that makes up the minute unit only
Actual Station Design Dim$Record Type (TEXT)
station design record or reason record is unavailable
Actual Station Design Dim$Upper Left Longitude Whid (NUMBER)
upper left longitude warehouse identifier for a design type of grid
Gear End Latitude Dim$Latitude Minute Units (NUMBER)
numeric representation of latitude that makes up the minute unit only
Haul Longitude Dim$Longitude In Degree Minute Second (TEXT)
string representation of longitude in degrees, minutes, and seconds for example 45°25'01"
Date Dim$Month Of Year (NUMBER)
numeric representation of month of year
Vessel End Latitude Dim$Latitude Minute Units (NUMBER)
numeric representation of latitude that makes up the minute unit only
Door Width M Der (NUMBER)
Single point estimate for spread at the doors in meters for a haul. The standard up through present has been the mean over the center 80 percent of the tow duration of the best (only, to date) doorspread trace within the haul
Operation Dim$Limited Entry Permit Number (TEXT)
federal limited entry groundfish permit issued to fish in waters off of Washington, Oregon, and California
Operation Dim$Trip Id (NUMBER)
trip identifier number
Target Station Design Dim$Station Design Name (TEXT)
name of the design for a collection of stations
Gear Start Longitude Whid (NUMBER)
Warehouse identifier for gear start longitude
Latitude Dim$Latitude Second Units (NUMBER)
numeric representation of latitude that makes up the second unit only
Gear Start Latitude Dim$Latitude In Degrees (NUMBER)
numeric representation of latitude in degrees

Data

This is an externally stored table and the data is not available here.

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