The Production of Nitrogen Atoms on Mars and their Escape

Jane L. Fox; A. Dalgarno

doi:10.1016/0032-0633(80)90102-6,

The Production of Nitrogen Atoms on Mars and their Escape

Jane L. Fox, A. Dalgarno

Wright State University

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Abstract

Quantitative calculations of the escape rate of nitrogen by photodissociation and photoionization, by photoelectron impact processes, by chemical reactions and by dissociative recombination are reported. It is shown that the predicted present escape rate of 2.0 × 10 ⁵ atoms cm ⁻² S ⁻¹ is consistent with the measured ¹⁵ N/ ¹⁴ N isotope ratio. A minimum of 4.0 × 10 ²² cm ⁻² S ⁻¹ is obtained for the initial reservoir of N ₂ . The production rates of N( ⁴ S) and N( ² D) atoms in the atmosphere are obtained and the altitude profile of N( ² D) is calculated.

Original language	American English
Journal	Planetary and Space Science
Volume	28
DOIs	https://doi.org/10.1016/0032-0633(80)90102-6,
State	Published - Jan 1 1980

Disciplines

Astrophysics and Astronomy
Physical Sciences and Mathematics
Physics

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10.1016/0032-0633(80)90102-6,License: Unspecified

Cite this

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title = "The Production of Nitrogen Atoms on Mars and their Escape",

abstract = " Quantitative calculations of the escape rate of nitrogen by photodissociation and photoionization, by photoelectron impact processes, by chemical reactions and by dissociative recombination are reported. It is shown that the predicted present escape rate of 2.0 × 10 5 atoms cm −2 S −1 is consistent with the measured 15 N/ 14 N isotope ratio. A minimum of 4.0 × 10 22 cm −2 S −1 is obtained for the initial reservoir of N 2 . The production rates of N( 4 S) and N( 2 D) atoms in the atmosphere are obtained and the altitude profile of N( 2 D) is calculated.",

author = "Fox, {Jane L.} and A. Dalgarno",

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AU - Dalgarno, A.

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N2 - Quantitative calculations of the escape rate of nitrogen by photodissociation and photoionization, by photoelectron impact processes, by chemical reactions and by dissociative recombination are reported. It is shown that the predicted present escape rate of 2.0 × 10 5 atoms cm −2 S −1 is consistent with the measured 15 N/ 14 N isotope ratio. A minimum of 4.0 × 10 22 cm −2 S −1 is obtained for the initial reservoir of N 2 . The production rates of N( 4 S) and N( 2 D) atoms in the atmosphere are obtained and the altitude profile of N( 2 D) is calculated.

AB - Quantitative calculations of the escape rate of nitrogen by photodissociation and photoionization, by photoelectron impact processes, by chemical reactions and by dissociative recombination are reported. It is shown that the predicted present escape rate of 2.0 × 10 5 atoms cm −2 S −1 is consistent with the measured 15 N/ 14 N isotope ratio. A minimum of 4.0 × 10 22 cm −2 S −1 is obtained for the initial reservoir of N 2 . The production rates of N( 4 S) and N( 2 D) atoms in the atmosphere are obtained and the altitude profile of N( 2 D) is calculated.

UR - https://corescholar.libraries.wright.edu/physics/279

U2 - 10.1016/0032-0633(80)90102-6,

DO - 10.1016/0032-0633(80)90102-6,

M3 - Article

VL - 28

JO - Planetary and Space Science

JF - Planetary and Space Science

ER -

The Production of Nitrogen Atoms on Mars and their Escape

Abstract

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