安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Geomagnetic field: Elements | Springer Nature Link
Geomagnetic Field: Measurement; Geomagnetic Field, Main: Theory; Geomagnetic Field Analysis; Geomagnetism: Historical Introduction; Spherical Harmonic Analysis
- Introduction to Geomagnetism | U. S. Geological Survey
The geomagnetic field is used to explore the dynamics of Earth’s interior and its surrounding space environment, and geomagnetic data are used for geophysical mapping, mineral exploration, risk mitigation, and other practical applications
- More Information About Geomagnetic Fields | NCEI
The geomagnetic field measured at any point on the Earth's surface is a combination of several magnetic fields generated by various sources These fields are superimposed on and interact with each other
- Magnetic components - NRCan
All other elements are measured in nanotesla (nT; 1 nT = 10 -9 Tesla) The seven elements are related through the following simple expressions Declination (D) D = tan -1 ( Y X ) Inclination (I) I = tan -1 ( Z H ) Horizontal (H) H = X 2 + Y 2 North (X) X = H cos ( D ) East (Y) Y = H sin ( D ) Intensity (F) F = X 2 + Y 2 + Z 2
- Geomagnetism - an overview | ScienceDirect Topics
Each geomagnetic field observation contains contributions from several sources: the strongest one from the geodynamo process in Earth's outer core, from magnetized rocks in the lithosphere, and from a variety of electrical current systems flowing within the magnetosphere
- What are the geomagnetic components - intermagnet. org
The seven elements are related through the following simple expressions Declination (D) D = tan -1 ( Y X ) Inclination (I) I = tan -1 ( Z H ) Horizontal (H) H = X 2 + Y 2 North (X) X = H
- The International Geomagnetic Reference Field
The geomagnetic field vector B is fully described by an appropriate set of 3 elements selected from the 7 possible elements (Figure 3) The orthogonal set is the northerly intensity X, the easterly intensity Y and the vertical intensity Z (positive downwards)
- An Overview of the Earths Magnetic Field - British Geological Survey
A geomagnetic observatory is a location where absolute vector observations of the Earth's magnetic field are recorded accurately and continuously, with a time resolution of one minute or less, over a long period of time
|
|
|