Requirement #1162 

Values

For variable: Geomagnetic field

In application: 1.3 Ionosphere, Thermosphere and Geomagnetic Field Forecasting and Monitoring

Application-dependent Technical Priority: 1.0

Goal Breakthrough Threshold Priority
Uncertainty 0.1 nanoTesla (nT) 0.3 nanoTesla (nT) 1 nanoTesla (nT) 0.5
Layer/s Quality
Coverage Quality
Stability/decade (if applicable)
Horizontal Resolution 100 km 200 km 500 km 0.5
Vertical Resolution
Observing Cycle 1 sec 60 sec 15 min 0.5
Timeliness 60 sec 10 min 60 min 0.5

 

Validated: 12/7/25 Source: New source to be determined
General Comment: Requirements for data to be used in the updates of the International Geomagnetic Reference Field Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data
Application Area Comment: Values discussed with ET-SWX. Submitted by Kirsti Kauristie AA 1.3 POC. Horizontal Coverage Comment:
Observation Comment: Absolute magnetic field observations by geomagnetic observatories fulfilling the standards of INTERMAGNET. Performance Comment: Performance requirements to be updated according to the requirements of INTERMAGNET.
Specifications
  • Domain: Terrestrial
    • Subdomain: Solid Earth and magnetic field
      • Variable: Geomagnetic field
        • Applicable (vertical) layers:
          • Land surface
        • Horizontal Coverage: Global land