Rovibrational excitation of nitric oxide in the reaction of oxygen with metastable atomic nitrogen

Rawlins, W. T.; Fraser, Mark E.; Miller, Steven M.

doi:10.1021/j100340a016

Cited by 65 publications

(47 citation statements)

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“…After scaling of the``hot'' population and subtraction from``cold'' part, Rawlins and co-workers have removed signi®cant deviation on levels v 1Y 2 in``cold'' population and obtained k 1 6X25 for O 1 D branch (Figs. 9 and 10 in Rawlins et al, 1989). The ®nal conclusions of Rawlins et al (1989) are in signi®cant disaccord with the results of Kennealy et al (1978), and Green et al (1984) showing much higher vibrational excitation of NO on levels v 1±3.…”

Section: Nov Nosupporting

confidence: 63%

“…9 and 10 in Rawlins et al, 1989). The ®nal conclusions of Rawlins et al (1989) are in signi®cant disaccord with the results of Kennealy et al (1978), and Green et al (1984) showing much higher vibrational excitation of NO on levels v 1±3.…”

Section: Nov Nosupporting

confidence: 63%

“…Similar estimations were obtained in Green et al (1984). Rawlins et al (1989) have used the technique which has been employed in Kennealy et al (1978). The principal dierence between their investigation and an earlier study is the more detailed analysis of the contribution of N 2 P O 2 reaction in the observed NOv distribution.…”

Section: Nov Nomentioning

confidence: 69%

“…The branching ratios of the reactions (2a,2b) were measured in Kennealy et al (1978), Green et al (1984) and Rawlins et al (1989). The experimentally observed NOv distributions were examined with the aid of surprisal theory (Bernstein and Levine, 1975;Nesbet, 1981) based on information theory.…”

Section: Nov Nomentioning

confidence: 99%

“…It is interesting to note that they obtained the parameter k 1 after sucient correction of`c old'' distribution for lower vibrational levels ( Fig. 8 in Rawlins et al, 1989). It was assumed as an upper bound that essentially all the v 1 population in the``cold'' part is due to thermalized high rotationally excited NO.…”

Section: Nov Nomentioning

confidence: 99%

See 4 more Smart Citations

Estimation of atomic oxygen concentrations from measured intensities of infrared nitric oxide radiation

Kirillov

Aladjev

1998

Ann. Geophys.

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Section: Nov Nosupporting

confidence: 63%

Section: Nov Nosupporting

confidence: 63%

Section: Nov Nomentioning

confidence: 69%

Section: Nov Nomentioning

confidence: 99%

Section: Nov Nomentioning

confidence: 99%

See 3 more Smart Citations

Estimation of atomic oxygen concentrations from measured intensities of infrared nitric oxide radiation

Kirillov

Aladjev

1998

Ann. Geophys.

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Contribution of chemical processes to infrared emissions from nitric oxide in the thermosphere

Venkataramani¹,

Yonker²,

Bailey³

2016

JGR Space Physics

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Infrared emissions from nitric oxide (NO) are the dominant source of radiative cooling between 120 and 200 km and play an important role in determining the energy budget of the Earth's upper atmosphere. The emission arises as a consequence of producing vibrationally excited NO, either by collisions with energetic atomic oxygen or via the reaction of atomic nitrogen with molecular oxygen. The latter process is a potentially important source of cooling, as it can excite the higher vibrational levels (v ≥ 2) of nitric oxide, resulting in the emission of multiple photons. This chemiluminescent emission has been modeled by calculating the level populations of NO(v ≤ 10) considering production from the reaction of N(2D) and N(4S) with O2, along with interlevel cascade due to radiative deexcitation and collisional quenching. We integrate this model into the NCAR TIE‐GCM (Thermosphere‐Ionosphere‐Electrodynamics General Circulation Model) to calculate the contribution of chemiluminescence to infrared emissions from NO in the thermosphere. For day 80 of 2003, it is shown that chemiluminescence accounts for 15–30% of the total column emissions from NO in the sunlit thermosphere between ±50° latitude. More than 60% of the chemiluminescence is produced from v ≥ 3, indicating that these vibrational levels are an important source of thermospheric cooling. Model calculations of the first overtone emission (Δv = 2) are shown to be in agreement with measurements by the Cryogenic Infrared Radiance Instrumentation for Shuttle (CIRRIS‐1A) experiment. A computationally inexpensive parameterization which calculates the chemiluminescence from v ≤ 10 within 5% of the full calculation is also presented.

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ChemInform Abstract: Rovibrational Excitation of Nitric Oxide in the Reaction of O2 with Metastable Atomic Nitrogen.

Rawlins¹,

Fraser²,

Miller³

1989

ChemInform

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ChemInform Abstract Using the technique of low-pressure IR chemiluminescence the vibrational and rotational excitation of NO(X 2π), formed in the reactions of N(2D,2P) with O2 near 100 K, is investigated. Spectral data analysis is indicative of several concurrent processes and surprisal analysis of the data show that all the possible reaction pathways for producing NO(X 2π), some of which lead to formation of metastable atomic oxygen, occur with significant probability. The results are discussed in terms of their implications for the detailed collisional dynamics of the reactions and their relevance to the study of upper atmospheric auroral chemistry.

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Rovibrational excitation of nitric oxide in the reaction of oxygen with metastable atomic nitrogen

Cited by 65 publications

References 4 publications

Estimation of atomic oxygen concentrations from measured intensities of infrared nitric oxide radiation

Estimation of atomic oxygen concentrations from measured intensities of infrared nitric oxide radiation

Contribution of chemical processes to infrared emissions from nitric oxide in the thermosphere

ChemInform Abstract: Rovibrational Excitation of Nitric Oxide in the Reaction of O2 with Metastable Atomic Nitrogen.

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