World Magnetic Model (WMM) | National Centers for …
The World Magnetic Model (WMM) is the standard model for navigation, attitude, and heading referencing systems using the geomagnetic field. Additional WMM uses include civilian applications, including navigation and heading systems.
Magnetic anomaly map of North America | U.S. Geological Survey - USGS.gov
The North American magnetic anomaly map derived from the digital database provides a comprehensive magnetic view of continental-scale trends not available in individual data sets, helps link widely separated areas of outcrop, and unifies disparate geologic studies.
Earth Magnetic Anomaly Grid (EMAG) 2 | National Centers for ...
2024年7月19日 · These maps increase knowledge of subsurface structure and composition of the Earth's crust. Global magnetic anomaly grids are used for resource exploration, navigation where GPS is unavailable (submarine, directional drilling, …
World Digital Magnetic Anomaly Map - Geomag
2010年8月20日 · The World Digital Magnetic Anomaly Map (WDMAM) project is an international effort to integrate all available near-surface and satellite magnetic anomaly data. Teams of researchers were invited by IAGA and CWGM to produce candidate maps …
CrowdMag | National Centers for Environmental Information (NCEI)
Contributing data to CrowdMag is incredibly easy. Install the CrowdMag app, and use it to measure magnetic data along your path during walks, runs, or other outdoor activities. Data ("Magtivities") can be used to create a map of the magnetic field in your area.
Geomagnetic Field Models at NGDC | NCEI - National Oceanic and ...
Models of Earth's main magnetic field, including the International Geomagnetic Reference Field (IGRF) and World Magnetic Model (WMM).
Digital data grids for the magnetic anomaly map of North America
The North American magnetic anomaly map derived from the digital database provides a comprehensive magnetic view of continental-scale trends not available in individual data sets, helps link widely separated areas of outcrop, and unifies disparate geologic studies.
Wdmam
The WDMAM (World Digital Magnetic Anomaly Map) is an international scientific project under the auspices of IAGA (International Association of Geomagnetism and Aeronomy) and CGMW (Commission for the Geological Map of the World), aiming to compile and make available magnetic anomalies caused by the Earth lithosphere, on continental and oceanic ...
IGRF Geomagnetic Model Map Spreadsheet tool - National …
IAGA image spreadsheet application to display and download IGRF magnetic field maps and data from 1900 - 2020. The application allows the user to select the number of rows (years) and columns (magnetic elements) to display.
Magnetic anomaly map of North America - USGS Publications …
The North American magnetic anomaly map derived from the digital database provides a comprehensive magnetic view of continental-scale trends not available in individual data sets, helps link widely separated areas of outcrop, and unifies disparate geologic studies.