Atmospheric Electricity and the Waterfalls of Yosemite Valley

Pierce, E. T.; Whitson, A. L.

doi:10.1175/1520-0469(1965)022<0314:aeatwo>2.0.co;2

Cited by 20 publications

(7 citation statements)

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“…The radioactive ionization component depends on different meteorological parameters and can exceed the cosmic rays component by an order of magnitude (Hoppel et al, 1986). It decreases rapidly with increasing height, and at 1 km it is already significantly less than the contribution owed to cosmic rays (Pierce and Whitson, 1965).…”

Section: The Tropospherementioning

confidence: 99%

The electrical environment of the Earth’s atmosphere: A review

Singh

Kamra

2004

Space Sci Rev

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The study of the electrical environment of the Earth's atmosphere has rapidly advanced during the past century. Great strides have been made towards the understanding of lightning and thunderstorms and in relating them to the global electric circuit. The electromagnetic fields and currents connect different parts of the Earth's environment, and any type of perturbation in one region affects another region. Starting from the traditional views in which the electrodynamics of one region has been studied in isolation from the neighboring regions, the modern theory of the global electrical circuit has been discussed briefly. Interconnection and electrodynamic coupling of various regions of the Earth's environment can be easily studied by using the global electric circuit model. Deficiencies in the model and the possibility of improvement in it have been suggested. Application of the global electric circuit model to the understanding of the Earth's changes of climate has been indicated.

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Section: The Tropospherementioning

confidence: 99%

The electrical environment of the Earth’s atmosphere: A review

Singh

Kamra

2004

Space Sci Rev

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“…the Apollo 12 rocket of course, but also for 747 and other aircraft on several occasions. Almost all instances of triggered lightning occur, incidentally, when a long electrical conductor lies within an environment where the ambient electric field is on the order of several kilovolts per meter (Pierce, 1972). I have said that we lack much basic data on lightning and thunderstorm phenomenology.…”

Section: Themementioning

confidence: 99%

“…There is little really new! My colleagues and I (Pierce and Whitson, 1965) reinvestigated waterfall electricity in Yosemite Valley (Fig. 14).…”

Section: Themementioning

confidence: 99%

“…Following this period as one of the Phantoms of Yosemite, I re-examined Lenard's paper and realized that many of his laboratory techniques-notably the production of sprays of various properties-occurred during the operation of a shower in a modern bathroom. So bathroom electrification was investigated (Pierce and Whitson, 1967) and some notoriety was thereby gained. More to the point, mathematical equations were derived representing the growth and decay of the electrical space charge within the closed environment of the bathroom.…”

Section: Themementioning

confidence: 99%

“…It proved possible to predict the electrical environment within a supertanker from a combination of Lenard's work, the waterfall, and bathroom experiments (Pierce, 1970). Figure 16 gives the results for the growth and decay of space charge.…”

Section: Themementioning

confidence: 99%

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Atmospheric Electricity-Some Themes

Pierce

1974

Bull. Amer. Meteor. Soc.

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Trends in atmospheric electricity are illustrated by means of four themes. These are that there is a constant and healthy change in the emphasis of research investigations; that practical applications of any research need to be kept in mind; that-even so-research of no obvious utility at its commencement can still suddenly become of immense importance; and that it is perhaps time for a new Thunderstorm Project. A plea is made for a greater emphasis on "national" rather than "international" research. 2. Theme 1 My first theme is that there is a constant and healthy change in the emphasis of atmospheric electrical investi-FIG. 1. Global circuit of atmospheric electricity.

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