Cooperative Institute for Research in Environmental Sciences (CIRES)
Enhanced Magnetic Model (EMM)
standardmodel standardHistoricalIndustry: Aerospace
Use EMM 2017 for data from 2000–2022, and EMM2017 Mesh for 2017–2022.
- Category
- Data & Digital Tools
- Affiliations
- CIRES; NOAA Boulder (host)
Description
A magnetic model compiled from satellite, marine, aeromagnetic and ground surveys. EMM2017 includes ESA Swarm satellite data and a crustal field from EMAG2-v3 at 2-arcminute resolution (degree and order 790), is valid 2000–2022, and comes with spherical-harmonic and 3D-mesh software.
Official page
https://www.ncei.noaa.gov/products/enhanced-magnetic-model
Open official page (opens in a new tab)Access
- Access summary
- download
- Download or access
- For 2000-2017, please download the spherical harmonic version above.
Contact
- General contact
- geomag.models@noaa.gov
Details
- Keywords
- magnetic survey data, swarm satellites, crustal field modeling, magnetic anomaly grid, 3d mesh interpolation, spherical harmonics
- Location
- Boulder, Colorado
- Standard id
- EMM2017
- Associated entity
- National Centers for Environmental Information (NCEI)
- Specifications
- High CPU requirements (use the faster Mesh software for large number of points), very low RAM requirement (7.5 MB). | Low CPU requirements, high (6 GB) RAM requirement.