A record of the geomagnetic field on the ground sometimes shows smooth daily variations
on the order of a few tens of nano teslas. These daily variations, commonly known as Sq, are …

Introduction to Geomagnetic Fields is a textbook for advanced undergraduate and graduate
students of geophysics. It explains the natural magnetic fields in and surrounding the Earth …

We present new transfer functions (TFs) that can handle external electromagnetic (EM)
sources of complex geometry. These TFs relate global expansion coefficients describing the …

Abstract Space weather manifests in power networks as quasi‐DC currents flowing in and
out of the power system through the grounded neutrals of high‐voltage transformers …

Infrastructures such as pipelines and power networks at low‐middle latitude regions have
historically been considered relatively immune to geomagnetically induced currents (GICs) …

In this paper, we report the 3-D electrical conductivity distribution beneath the Australian
continent in the depth range 410–1600 km, which we have imaged by inverting C-response …

Long, steel pipelines used to transport essential resources such as gas and oil are
potentially vulnerable to space weather. In order to inhibit corrosion, the pipelines are …

An exploratory 3-D model of the electrical conductivity structure of the Australian continent is
presented. The model is derived from the inversion of vertical magnetic-field transfer …

摘要近来很多学者报道强地震前地磁日变化异常现象. 本文利用地面地磁观测台站分析了2008
年5 月12 日汶川犕L= 8 地震前约37 天的地磁场的日变化特征, 探讨了地震前地下电磁感应磁场 …

Abstract Fluctuations in Solar Wind (SW) and Interplanetary Magnetic Field (IMF)
significantly affect the Geomagnetic Field (GF) measurements particularly during extreme …