# Field Descriptions

So you never get left wondering again

latitude
Latitude

Latitude in decimal degrees. WGS84 preferred but not enforced.

longitude
(decimal degrees)
Longitude

Longitude in decimal degrees. WGS84 preferred but not enforced.

bottom_water_temp
Bottom Water Temperature
Temperature at the bottom of the water column.
cruise
Name Of Cruise
For oceanic measurements - the name of the cruise on which the measurements were taken.
elevation
Elevation
Site elevation
province
Geological Province
seafloor_age
Sea Floor Age
Age of the sea floor
seamount_distance
Distance To Seamount
Distance in Km to the nearest seamount.
sediment_thickness
($$m$$)
Sediment Thickness

The sediment thickness at the site reported by the original reference.

sediment_thickness_type
Type Of Sediment Thickness
How sediment thickness was determined.
site_name
Site Name
The name given to the site.
surface_temp
Surface Temperature
Temperature at the surface. Can be either a top of hole temperature or bottom of water temperature for oceanic measurements
well_depth
($$m$$)
Well Depth

Total depth of the hole in metres.

year_drilled
Year Drilled
basin
Basin

Basin name from the CGG Robertson Basin and Plays - Basin Outlines shapefile

continent
Continent

As calculated using the ESRI World Continents shapefile.

country
Country

As calculated using the World Borders shapefile.

political
Political Region

As calculated using the Flanders Marine Institute (2018)Marine and Land Zones. DOI: 10.14284/403

sea
Sea/Ocean

As calculated using the Flanders Marine Institute (2018)Oceans and Seas shapefile. DOI: 10.14284/323

average_conductivity
Average Thermal Conductivity

Reported thermal conductivity to accompany the heat flow estimate.

comment
Comment
Information supplied with the measurement either by the original author/researcher or the compiler.
conductivity_method
Thermal Conductivity Method
Method used to measure or derive thermal conductivity.
conductivity_uncertainty
Thermal Conductivity Uncertainty
Uncertainty of the reported thermal conductivity.
depth_max
($$m$$)
Lower Depth

For land-based measurements this represents the lower (or maximum) depth of the given measurement interval. For marine measurement it represents the penetration depth.

depth_min
($$m$$)
Upper Depth

For land-based measurements this represents the upper (or minimum) depth of the given measurement interval.

global_flag
Global Flag
Measurement is suitable for use in global modelling.
($$^\circ C /Km$$)

The corrected thermal gradient value over the specified interval.

($$^\circ C /Km$$)
Corrected Uncertainty

The uncertainty on the corrected thermal gradient value.

($$^\circ C /Km$$)

The uncorrected thermal gradient value over the specified interval.

($$^\circ C /Km$$)
Uncorrected Uncertainty

The uncertainty on the uncorrected thermal gradient value.

heat_flow_corrected
($$mW m^{-2}$$)
Corrected Heat Flow

The corrected heat flow value over the specified interval.

heat_flow_corrected_uncertainty
($$mW m^{-2}$$)
Corrected Heat Flow Uncertainty

The uncertainty on the corrected heat flow value.

heat_flow_uncorrected
($$mW m^{-2}$$)
Uncorrected Heat Flow

The uncorrected heat flow value over the specified interval.

heat_flow_uncorrected_uncertainty
($$mW m^{-2}$$)
Uncorrected Heat Flow Uncertainty

The uncertainty on the corrected heat flow value.

heat_generation
Average Heat Generation
Average heat generation to accompany the heat flow estimate.
heat_generation_method
Heat Generation Method
Method used to measure or derive heat generation.
heat_generation_uncertainty
Heat Generation Uncertainty
Uncertainty of the reported heat generation.
number_of_conductivities
Number Of Conductivity Measurements
Number of thermal conductivities from which the reported thermal conductivity was derived.
number_of_heat_gen
Number Of Heat Generation Measurements
Number of heat generation values from which the average heat generation was derived.
number_of_temperatures
Number Of Temperatures
Number of temperatures used to determine the estimate.
reference
Reference
The publication or other reference from which the measurement was reported.
reliability
Heat Flow Reliability
Heat flow reliability code
site
Site
source
Source
temp_method
Temperature Method
The method used to obtain temperature values.
tilt
Probe Tilt
Angle between vertical and the orientation of the probe.
bottom_water_variation
($$mW m^{-2}$$)
BWV Correction

The reported bottom water variation correction applied to the uncorrected heat flow value to obtain a corrected estimate.

bottom_water_variation_flag
BWV Flag

A boolean flag indicating if heat flow has been corrected for bottom water variation regardless of whether a number was reported.

climate
($$mW m^{-2}$$)
Climate Correction

The reported climate correction applied to the uncorrected heat flow value to obtain a corrected estimate.

climate_flag
Climate Flag

A boolean flag indicating if a climate correction has been applied regardless of whether a number was reported.

compaction
($$mW m^{-2}$$)
Compaction Correction

The reported compaction correction applied to the uncorrected heat flow value to obtain a corrected estimate.

compaction_flag
Compaction Flag

A boolean flag indicating if a compaction correction has been applied regardless of whether a number was reported.

fluid
($$mW m^{-2}$$)
Fluid Correction

The reported fluid correction applied to the uncorrected heat flow value to obtain a corrected estimate.

fluid_flag
Fluid Flag

A boolean flag indicating if a correction has been made for fluid regardless of whether a number was reported.

other
($$mW m^{-2}$$)
Other Correction

The reported value of any other correction applied to the uncorrected heat flow value to obtain a corrected estimate.

other_flag
Other Correction Flag

A boolean flag indicating if heat flow has been corrected by some other means regardless of whether a number was reported.

other_type
Other Correction Type

If any other correction other than those named here has been applied to the heat flow value, the type of correction should be specified here.

refraction
($$mW m^{-2}$$)
Refraction Correction

The reported refraction correction applied to the uncorrected heat flow value to obtain a corrected estimate.

refraction_flag
Refraction Flag

A boolean flag indicating if heat flow has been corrected for refraction effects regardless of whether a number was reported.

sed_erosion
($$mW m^{-2}$$)
Sedimentation Erosion Correction

The reported sedimentation eroision correction applied to the uncorrected heat flow value to obtain a corrected estimate.

sed_erosion_flag
Sedimentation Flag

A boolean flag indicating if heat flow has been corrected for sedimentation eroision effects regardless of whether a number was reported.

topographic
($$mW m^{-2}$$)
Topographic Correction

The reported fluid topographic correction applied to the uncorrected heat flow value to obtain a corrected estimate.

topographic_flag
Topographic Flag

A boolean flag indicating if heat flow has been corrected for topographic effects regardless of whether a number was reported.

circ_time
Circulation Time
Circulation time in hours.
comment
Comment
Information supplied with the measurement either by the original author/researcher or the compiler.
correction
Correction
Applied temperature correction type.
depth
Depth
The depth at which the measurement was taken (if applicable).
formation
Formation Name
The name of the sampled geological formation.
lag_time
Lag Time

lag time [hrs]

log_id
Log Specific Id
This is required for multiple logs to be stored on the same site.
method
Method
The method used to obtain the reported value.
operator
Operator
The operator collecting the measurements
reference
Reference
The publication or other reference from which the measurement was reported.
site
Site
source
Source
source_id
Source Id
This is the ID for the measurement used by the original source
temperature
Temperature
The reported temperature in at the given depth.
uncertainty
Uncertainty
Uncertainty on the reported temperature.
year_logged
Year Logged
conductivity
($$W m^{-1} K^{-1}$$)
Thermal Conductivity

The reported thermal conductivity in of the sample.

comment
Comment
Information supplied with the measurement either by the original author/researcher or the compiler.
depth
Depth
The depth at which the measurement was taken (if applicable).
formation
Formation Name
The name of the sampled geological formation.
log_id
Log Specific Id
This is required for multiple logs to be stored on the same site.
method
Method
The method used to obtain the reported value.
operator
Operator
The operator collecting the measurements
orientation
Orientation
The angle relative to the foliation or bedding where 0 is along foliation and 90 is perpendicular to foliation. Values can be a floating point number anywhere between 0 and 90.
reference
Reference
The publication or other reference from which the measurement was reported.
rock_type
Rock Type
The reported rock type.
sample_diameter
Sample Diameter
Diameter of the sample.
sample_length
Sample Length
Length of the sample.
sample_name
Sample Name
The reported name of the sample if applicable.
sample_thickness
Sample Thickness
Thickness of the sample.
sample_width
Sample Width
Width of the sample.
source
Source
source_id
Source Id
This is the ID for the measurement used by the original source
uncertainty
($$W m^{-1} K^{-1}$$)
Thermal Conductivity Uncertainty

The uncertainty on the reported value.

year_logged
Year Logged
comment
Comment
Information supplied with the measurement either by the original author/researcher or the compiler.
depth
Depth
The depth at which the measurement was taken (if applicable).
formation
Formation Name
The name of the sampled geological formation.
heat_generation
Heat Generation
The reported value of the sample.
k_pc
K (Wt%)
log_id
Log Specific Id
This is required for multiple logs to be stored on the same site.
method
Method
The method used to obtain the reported value.
operator
Operator
The operator collecting the measurements
reference
Reference
The publication or other reference from which the measurement was reported.
rock_type
Rock Type
The reported rock type.
sample_name
Sample Name
The reported name of the sample if applicable.
site
Site
source
Source
source_id
Source Id
This is the ID for the measurement used by the original source
th_ppm
Th (Ppm)
u_ppm
U (Ppm)
uncertainty
Uncertainty
The uncertainty on the reported value.
year_logged
Year Logged
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