Datasets > Line data > United States > 2010-2014

Magnetic Field - Secular Variation of the Inclination Component for the Epoch 2010.0

National Atlas of the United States · 2010 Full Details

Full Details

Title
Magnetic Field - Secular Variation of the Inclination Component for the Epoch 2010.0
Description
This shapefile shows lines of equal annual change (secular variation) in the inclination of the Earth's magnetic field, derived from the International Geomagnetic Reference Field (IGRF) for the epoch 2010.0. Magnetic inclination is the angle between the magnetic field vector and the horizontal plane. The change is measured in arc minutes per year. This layer is part of the 1997-2014 edition National Atlas of the United States., These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the U.S. Geological Survey in the use of these data., This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Creator
National Geophysical Data Center
Publisher
National Atlas of the United States
Subject
Geomagnetism, Geoscientific Information
Temporal Coverage
2010
Date Issued
2011
Rights
This item is in the public domain. There are no restrictions on use.
Rights Holder
This work is in the Public Domain, meaning that it is not subject to copyright.
Access Rights
Public
Format
Shapefile
Language
English
Date Added
October 01, 2025

Location

Cite and Reference

  • Citation
    National Geophysical Data Center (2011). Magnetic Field - Secular Variation of the Inclination Component for the Epoch 2010.0. National Atlas of the United States. (dataset)
  • BTAA Geoportal Link

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