Skip to content

Latest commit

 

History

History
490 lines (326 loc) · 24.8 KB

iea43_wra_data_model-properties-measurement-location-measurement-location-properties-measurement-point-measurement-point.md

File metadata and controls

490 lines (326 loc) · 24.8 KB

items Type

object (Measurement Point)

items Properties

Property Type Required Nullable Defined by
name string Required cannot be null IEA Wind Resource Assessment - Data Model
measurement_type_id string Required cannot be null IEA Wind Resource Assessment - Data Model
height_m number Required can be null IEA Wind Resource Assessment - Data Model
height_reference_id Not specified Optional cannot be null IEA Wind Resource Assessment - Data Model
notes string Optional can be null IEA Wind Resource Assessment - Data Model
update_at string Optional can be null IEA Wind Resource Assessment - Data Model
logger_measurement_config array Required cannot be null IEA Wind Resource Assessment - Data Model
sensor array Optional cannot be null IEA Wind Resource Assessment - Data Model
mounting_arrangement array Optional can be null IEA Wind Resource Assessment - Data Model
interference_structures array Optional can be null IEA Wind Resource Assessment - Data Model

name

The name the measurement point is commonly referred to. This is the name that is used to refer to the data in an analysis and reporting.

name

name Type

string (Name)

measurement_type_id

The type of measurement been made. See more information in the examples.

measurement_type_id

measurement_type_id Type

string (Measurement Type)

measurement_type_id Constraints

enum: the value of this property must be equal to one of the following values:

Value Explanation
"wind_speed"
"wind_direction"
"air_temperature"
"temperature"
"air_pressure"
"air_density"
"relative_humidity"
"voltage"
"current"
"resistance"
"power"
"energy"
"vertical_wind_speed"
"wind_speed_turbulence"
"precipitation"
"ice_detection"
"global_horizontal_irradiance"
"direct_normal_irradiance"
"diffuse_horizontal_irradiance"
"global_tilted_irradiance"
"global_normal_irradiance"
"albedo"
"soiling_loss_index"
"illuminance"
"fog"
"gps_coordinates"
"status"
"flag"
"counter"
"availability"
"quality"
"carrier_to_noise_ratio"
"doppler_spectral_broadening"
"orientation"
"compass_direction"
"true_north_offset"
"tilt"
"tilt_x"
"tilt_y"
"tilt_z"
"u"
"v"
"w"
"elevation"
"altitude"
"azimuth"
"timestamp"
"other"

measurement_type_id Examples

"wind_speed  (the horizontal component of wind speed)"
"wind_direction  (the direction form which the wind is coming from)"
"air_temperature  (outdoor ambient temperature of the air)"
"temperature  (the temperature of a body or indoor ambient air temperature)"
"air_pressure (outdoor pressure of the air)"
"air_density (the density of air)"
"relative_humidity (outdoor relative humidity of the air"
"voltage (electrical voltage, typically the logger battery voltage)"
"current (electrical current, typically the logger battery current)"
"resistance (electrical resistance, the raw or basic measurement from many different sensors)"
"power (the amount of energy transferred or converted per unit of time)"
"energy (in physics, is the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.)"
"vertical_wind_speed (the vertical component of wind speed)"
"wind_speed_turbulence (the turbulence of the wind speed)"
"precipitation (water which falls to the ground from the atmosphere in forms of rain, snow, sleet, ice pellets, dew, frost, and hail)"
"ice_detection (detection of ice build up on surfaces)"
"global_horizontal_irradiance (the total power or instantaneous rate of energy from the sun received by a horizontal surface on Earth)"
"direct_normal_irradiance (the direct line of sight power or instantaneous rate of energy from the sun, excluding diffuse irradiance, received by a surface on Earth perpendicular to the sun)"
"diffuse_horizontal_irradiance (the power or instantaneous rate of energy from light scattered by the atmosphere, excluding direct irradiance, received by a horizontal surface on Earth)"
"global_tilted_irradiance (the total power or instantaneous rate of energy from the sun received by a surface on Earth with defined tilt and azimuth, fixed or sun-tracking)"
"global_normal_irradiance (the total power or instantaneous rate of energy from the sun received by a surface on Earth perpendicular to the sun)"
"albedo (or reflected solar radiation from the earth's surface, is defined as the ratio between the reflected energy and the incident energy over a unit area)"
"soiling_loss_index (an index of lost energy between clean and dirty PV modules, https://www.campbellsci.com/cr-pvs1 )"
"illuminance (measure of visible light falling onto a per unit area, typically measured in lux)"
"fog (is a visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface)"
"gps_coordinates (latitude and/or longitude as measured by a gps)"
"status (a status flag or other to describe the status of a sensor or object)"
"counter (a simple counter)"
"availability (the availability of a sensor or the presence of something in a measurement typically measured as %, e.g. '40m Data Availability (%)' or 'Proportion Of Packets with Fog (%)'. This is currently a generic catch-all for all 'availability' like metrics and may be resolved into more specific definitions in future revisions.)"
"quality (a measure of the quality of a measurement)"
"carrier_to_noise_ratio (a measure of signal strength as measured by lidar devices, http://data.windenergy.dtu.dk/ontologies/view/IEATask32Glossary/en/page/parameters.carrier_to_noise_ratio )"
"doppler_spectral_broadening (as measured by lidar devices)"
"orientation (the direction something points or faces relative to north or other specified positions)"
"compass_direction (the direction as measured by a compass, therefore referenced to magnetic north)"
"true_north_offset (the offset something points or faces relative to true north, e.g. from a solar compass such as a Geovane)"
"tilt_x (the tilt of an object relative to the x-axis)"
"tilt_y (the tilt of an object relative to the y-axis)"
"tilt_z (the tilt of an object relative to the z-axis)"
"u (the U component vector, relating to wind it is positive for a west to east flow (eastward wind), however, it can be used for other vectors. If so, please use the notes property to define it.)"
"v (the V component vector, relating to wind it is positive for a south to north flow (northward wind), however, it can be used for other vectors. If so, please use the notes property to define it.)"
"w (the W component vector, if using this for wind please use the 'vertical_wind_speed' measurement type. Please use the notes property to define how this component is utilised."
"elevation (the height the surface of the earth is above mean sea level)"
"altitude (the height above mean sea level or is the angle between the sun and the observer's local horizon, also sometimes referred to as elevation)"
"azimuth (is the angle of the sun around the horizon, in the northern hemisphere this is usually measured from north and increasing eastward whereas in the southern hemisphere it can be measured from the south and increasing westward)"
"timestamp (the timestamp of when a measurement value was recorded)"
"other"

height_m

The height (in meters) typically above ground level that the measurement is taking place. If you do not yet know the height please use null.

height_m

height_m Type

number (Height [m])

height_reference_id

The height reference frame that is used to measure the item height. E.g. onshore this is ground level i.e. the item is 0.5 m above ground level. Offshore is a bit different as it can be 20 m above mean sea level or 20 m above lowest astronomical tide.

height_reference_id

height_reference_id Type

unknown (Height Reference)

height_reference_id Constraints

enum: the value of this property must be equal to one of the following values:

Value Explanation
"ground_level"
"mean_sea_level"
"lowest_astronomical_tide"
"other"

height_reference_id Default Value

The default value is:

"ground_level"

notes

Notes relating to these properties.

notes

notes Type

string (Notes)

notes Examples

"I can write anything I want here."

update_at

The date these properties were last updated.

update_at

update_at Type

string (Date of Update)

update_at Constraints

date time: the string must be a date time string, according to RFC 3339, section 5.6

update_at Examples

"2020-07-28T20:49:13"

logger_measurement_config

The measurement configuration that is programmed into the logging device.

logger_measurement_config

logger_measurement_config Type

object[] (Logger Measurement Configuration)

logger_measurement_config Constraints

unique items: all items in this array must be unique. Duplicates are not allowed.

sensor

This represents information about the sensor taking the measurements.

sensor

sensor Type

object[] (Sensor)

sensor Constraints

unique items: all items in this array must be unique. Duplicates are not allowed.

mounting_arrangement

This describes how the sensor is mounted onto the met mast.

mounting_arrangement

mounting_arrangement Type

object[] (Mounting Arrangement)

mounting_arrangement Constraints

unique items: all items in this array must be unique. Duplicates are not allowed.

interference_structures

interference_structures

interference_structures Type

object[] (Interference Structures)

interference_structures Constraints

unique items: all items in this array must be unique. Duplicates are not allowed.