Rapid Variations of the Earth's Potential Gradient
β Scribed by APPLETON, E. V.; WATT, R. A. WATSON; HERD, J. F.
- Book ID
- 109480255
- Publisher
- Nature Publishing Group
- Year
- 1924
- Tongue
- English
- Weight
- 216 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/113237b0
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## Abstract A wellβknown method of determining the atmospheric airβearth current consists of collecting and measuring the current flowing into an insulated receiver at ground level. A difficulty encountered, however, is that any variation of the potential gradient produces a displacement of the bou
## Abstract Measurements made with 2 field mills, 100 m apart, along the direction of the surface wind, have been used to obtain information about the charges responsible for variations in the potential gradient over periods of the order of minutes. In general these variations are caused by the hor