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Resource Layer Attribute Heading Keys and Descriptions

The following lists describe each resouce's attribute headers in more detail.

Tide layer attribute heading key and descriptions

Attribute Heading: Description: Unit

FID: Internal ArcGIS ID: N/A

Shape: Internal ArcGIS polygon geometry storage: N/A

ID: Renewable Atlas Tidal Cell ID: Integer

Distance: Distance of the model cell to closest landfall: Kilometres

Lat_1: Latitude of the model cell centre: Decimal degrees relative to WGS 84

Long_: Longitude of the model cell centre: Decimal degrees relative to WGS 84

Depth: Average depth of the model cell: Metres relative to Mean Sea Level

Data_Depth: Depth that the tidal data was extracted from the numerical model: Metres relative to Mean Sea Level (MSL)

MEAN_S_RNG: Range of a Mean Spring Tide computed from the two principle semi-diurnal tidal harmonics: Metres

MEAN_N_RNG: Range of a Mean Neap Tide. Computed from the two principle semi-diurnal tidal harmonics: Metres

MEAN_SP_PC: Peak currents speed of a Mean Spring tide: Metres per second (m/s)

MEAN_NP_PC: Peak currents speed of a Mean Neap tide: Metres per second (m/s)

AV_POW: Average power obtainable per square metre (vertical cross section) over a complete annual tidal cycle and for the complete tidal curve (not just the peak current speeds): Kilowatts per square metre (kW/m2) of vertical water column

AV_NE_POW: Power obtainable per square metre (vertical cross section) at peak current flow during an average neap tide: Kilowatts per square metre (kW/m2) of vertical water column

AV_SP_POW: Power obtainable per square metre (vertical cross section) at peak current flow during an average spring tide: Kilowatts per square metre (kW/m2) of vertical water column

Wave layer attribute heading key and descriptions

Timescales

An = Annual
SP = Spring
SU = Summer
AU = Autumn
WI = Winter

JA = January
FB = February
MR = March
AP = April
MY = May
JN = June
JL = July
AG = August
SE = September
OC = October
NV = November
DC = December

Parameters

mean_hs or HSM = Mean Significant Wave Height recorded in metres

mn_P_OD or WPM_OD = Mean Wave Power (Full Wave Field) calculated in kilowatts per metre (kW/m) per horizontal metre of wave crest using the energy period calculation (TE)

Additional Fields (Attribute Heading: Description: Unit)

FID: Internal ArcGIS ID: N/A

Shape: Internal ArcGIS polygon geometry storage: N/A

ID: Renewable Atlas Tidal Cell ID: Integer

Base: Source Met Office model for the cell data: Either ‘UK ‘or ‘Global’

Model_ID: Met Office model Cell ID: Integer

MinDist: Distance of the model cell to closest landfall: Kilometres

Lat: Latitude of the model cell centre: Decimal degrees relative to WGS 84

Long_: Longitude of the model cell centre: Decimal degrees relative to WGS 84

Ave_Depth: Average depth of the model cell: Metres relative to Mean Sea Level

Wind layer attribute heading key and descriptions

Timescales

An = Annual
SP = Spring
SU = Summer
AU = Autumn
WI = Winter

JA = January
FB = February
MR = March
AP = April
MY = May
JN = June
JL = July
AG = August
SE = September
OC = October
NV = November
DC = December

Heights

80 = 80 metres above sea surface
100 = 100 metres above sea surface

Parameters

WS = Mean Wind Speed recorded in metres per second (m/s)

PD = Mean Wind Power Density calculated per square metre of rotor swept area

Additional Fields (Attribute Heading: Description: Unit)

FID: Internal ArcGIS ID: N/A

Shape: Internal ArcGIS polygon geometry storage: N/A

ID: Renewable Atlas Tidal Cell ID: Integer

Base: Source Met Office model for the cell data: Either ‘UK ‘or ‘Global’

Model_ID: Met Office model Cell ID: Integer

MinDist: Distance of the model cell to closest landfall: Kilometres

Lat: Latitude of the model cell centre: Decimal degrees relative to WGS 84

Long_: Longitude of the model cell centre: Decimal degrees relative to WGS 84

Ave_Depth: Average depth of the model cell: Metres relative to Mean Sea Level