Variations of the tropical O(1S) nightglow as observed with the Arecibo Observatory photometer and WINDII on UARS

Liu, Guiping; Shepherd, G. G.; Tepley, C. A.

doi:10.1016/j.jastp.2008.03.001

Cited by 6 publications

(5 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…We have December 1992, and February 1993 at midnight conditions. We also find the magnitudes of the emission rates of ISUAL and WINDII data are close Wang et al, 2002;Liu et al, 2008b). We notice that the global measurement reveals a symmetric distribution with respect to the equator with the NH and SH peaks, appearing as mirror images of each other as shown in Fig.…”

Section: Derivation Of O Atom Density Based On Msis Modelsupporting

confidence: 66%

The emission of oxygen green line and density of O atom determined by using ISUAL and SABER measurements

Gao

Nee

2012

Ann. Geophys.

View full text Add to dashboard Cite

Abstract. Emissions of the 557.7 nm green line airglow observed by the ISUAL (Imager of Sprites and Upper Atmospheric Lightning) instrument on board the FORMOSAT-2 satellite in May and November 2008 are studied here to derive the density distributions of the atomic oxygen by using atmospheric parameters from MSISE-00 model and TIMED (Thermosphere Ionosphere Mesosphere Energetics and Dynamics)/SABER (Sounding of the Atmosphere using Broadband Emission Radiometry) measurements. The May observations were made in 10 days from a fixed orbit of longitude (100 • E) with the results showing emission rate and O atom density both peaked at heights of about 90 km over 10 • to 20 • latitudes in the Northern Hemisphere (NH). In the Southern Hemisphere (SH), the emission rate and density of O atom are both low compared with those in NH. In November, the observations were made as the satellite traveled over all 14 orbits around the earth, covering all longitudes and latitudes of 25 • S-45 • N. Strong peaks of emission rates and O atoms are found at heights of about 95 km in the mid-latitudes in both hemispheres. In the equator, the airglow layer has a weaker emission rate but with higher altitude compared with those of mid-latitudes. In the lower and upper mesosphere at heights below 85 km and above 105 km, there are more O atoms in the equatorial regions than in the mid-latitudes. And there is a good correlation between the O atom and the temperature structure. A comparison with O atom distribution derived from OH airglow observed by TIMED/SABER at about the same time shows similar results.

show abstract

Section: Derivation Of O Atom Density Based On Msis Modelsupporting

confidence: 66%

The emission of oxygen green line and density of O atom determined by using ISUAL and SABER measurements

Gao

Nee

2012

Ann. Geophys.

View full text Add to dashboard Cite

show abstract

“…Deutsch and Hernandez (2003) observed that the emission rate increases with solar activity being higher during the decreasing phase of the solar activity, but this relationship varies slightly with different solar cycles. Liu et al (2008b) also showed that the WINDII and the Arecibo datasets were consistent with the solar flux variation. Liu and Shepherd (2008) investigated the solar cycle impact on the green line emission rate specifically, and found that the latter was related linearly to the solar F 10.7 cm flux, which is a good proxy for solar UV irradiance.…”

Section: Introductionmentioning

confidence: 54%

“…In addition to these long term periods, the oxygen emission rate is also influenced by the 11-year solar cycle (Deutsch and Hernandez, 2003;Liu et al, 2008b;Liu and Shepherd, 2008). Deutsch and Hernandez (2003) observed that the emission rate increases with solar activity being higher during the decreasing phase of the solar activity, but this relationship varies slightly with different solar cycles.…”

Section: Introductionmentioning

confidence: 99%

Effects of solar cycle variations on oxygen green line emission rate over Kiso, Japan

2011

View full text Add to dashboard Cite

A sixteen year long dataset of mesospheric OI 557.7 nm green line nightglow emission rate, measured over Kiso (35.79 • N, 137.63• E), Japan using ground-based photometers is spectrally investigated using the HilbertHuang Transform (HHT). The spectrograms reveal the presence of semi-annual, annual and quasi-biennial oscillations in consonance with the results obtained from wavelet analysis in an earlier study. In addition, due to the use of the HHT, we have been able to investigate the very low frequency solar cycle variation in the emission rate. It is found that there is a signi cant solar cycle effect on the oxygen green line emission rate. The mean amplitude of variation is approximately 20% and it is also found that it is maximum at midnight. A correlation study between the means of the emission rate and the solar radio ux at 10.7 cm also shows that the effect of solar activity on the oxygen green line emission rate is maximum at midnight.

show abstract

“…Kulkarni (1976) presented a few nights of OI 557.7 nm emission from Thumba (8 • 33 N), India, wherein the minimum intensity was observed between 23:00 h and 02:00 h followed by an increase thereafter. Recently, Liu et al (2008b) observed the nocturnal behaviour of this emission feature to exhibit minimum and maximum, and found the emission to be larger in the early morning hours than in the early night. Several other investigators have reported this type of nocturnal variation of OI 557.7 nm intensity (Takahashi et al, 1977(Takahashi et al, , 1989(Takahashi et al, , 1998Petitdidier and Teitelbaum, 1979;Oznovich et al, 1995;Shepherd and McLandress, 1995;Zhang et al, 1998;Wiens et al, 1999;Buriti et al, 2001).…”

Section: Nocturnal Behaviour Of Oi 5577 Nm Emissionmentioning

confidence: 98%

Observations of OI 557.7 nm nightglow at Kolhapur (17° N), India

Parihar¹,

Gurubaran

Mukherjee

2011

Ann. Geophys.

View full text Add to dashboard Cite

The nocturnal behaviour of OI 557.7 nm intensity and a comparative study with simultaneous OH Meinel band temperature measurements has been presented. OI 557.7 nm intensity and OH temperature variations covary on many occasions. It was found that an 8 h tide characterizes the variation of intensity and temperature on most nights, and especially during the month of January. This is the first report of prolonged measurements of OI 557.7 nm emission from India.

show abstract

Variations of the tropical O(1S) nightglow as observed with the Arecibo Observatory photometer and WINDII on UARS

Cited by 6 publications

References 35 publications

The emission of oxygen green line and density of O atom determined by using ISUAL and SABER measurements

The emission of oxygen green line and density of O atom determined by using ISUAL and SABER measurements

Effects of solar cycle variations on oxygen green line emission rate over Kiso, Japan

Observations of OI 557.7 nm nightglow at Kolhapur (17° N), India

Contact Info

Product

Resources

About