A numerical data base for VAX and personal computers for the storage, reconstruction and display of global thermospheric and ionospheric models

Batten, Simon; Rees, D.; Fuller‐Rowell, T. J.

doi:10.1016/0032-0633(87)90023-7

Cited by 9 publications

(3 citation statements)

References 14 publications

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“…A single 24‐hour run typically generates ~10 7 values which need to be stored, and it is inconvenient to transport these numbers between institutions. Batten et al [1987] describe a high energy Fourier filtering technique to reduce the UCL model output by a factor of 150 which results in wind velocity and temperature errors of only ~2%. A summary of the UCL model output is available in this form as the CIRA theoretical thermosphere model [ Rees and Fuller‐Rowell , 1988a].…”

Section: Thermospheric Modelingmentioning

confidence: 99%

Dynamics of the Earth's Thermosphere: A Review

Crowley

1991

Reviews of Geophysics

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Section: Thermospheric Modelingmentioning

confidence: 99%

Dynamics of the Earth's Thermosphere: A Review

Crowley

1991

Reviews of Geophysics

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“…In order to minimize ionospheric error and other measurement noises, the approach developed by Gorbunov [48], which combining the ionospheric correction and high altitude initialization together, is applied on bending angles of GNSS two frequencies to provide optimal bending angle profiles. In the data processing of FY-3C, the Mass-Spectrometer-Incoherent-Scatter (MSIS) model is used to provide background bending angle profiles for the noise reduction [49].…”

Section: Fy-3c Ro Datamentioning

confidence: 99%

An Evaluation of Fengyun-3C Radio Occultation Atmospheric Profiles Over 2015–2018

et al. 2020

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Fengyun-3C (FY-3C) is the first Chinese satellite that is capable of using the Radio Occultation (RO) technique to retrieve atmospheric profiles. This research evaluates the quality of FY-3C RO profiles including refractivity, temperature, and specific humidity by comparing with corresponding information from the European Centre for Medium-Range Weather Forecasts (ECMWF) Interim Reanalysis (ERA-Interim) data over the period of 2015–2018. The evaluation is carried out by calculating and analyzing mean systematic differences between FY-3C and ERA-Interim profiles and corresponding standard deviations over a selected spatial and temporal domain. Results show that the FY-3C RO profiles are overall with good agreements with the ERA-Interim data. Global mean refractivity systematic differences are within ±0.2% from 5 to 30 km altitude range with relative standard deviations of less than 2%. Global temperature mean systematic differences vary within ±0.2 K from a 10- to 20-km altitude range with standard deviations of less than 2 K. Global mean specific humidity differences are found to be within ±0.2 g/kg from 2 to 20 km with standard deviations of less than 1 g/kg. FY-3C profiles show visible latitudinal and altitudinal variations, while the seasonal variations are minor. Sampling errors of refractivity and temperature are also found to be larger at higher latitudinal regions due to RO events being less sampled in the polar region.

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“…On this night (12 March 2008) there were three SABER profiles at time 23:30 IST, in the selected spatial grid mentioned above. The MSISE-00 (Batten et al, 1987) temperature profile corresponding to this night for 6 • N, 80 • E at 20:00 IST is shown as solid red lines. We note that the observed temperature shows large deviations from the MSISE expectations.…”

Section: Observationmentioning

confidence: 99%

The occurrence altitudes of middle atmospheric temperature inversions and mesopause over low-latitude Indian sector

Sivakandan¹,

Kapasi²,

Taori³

2014

Ann. Geophys.

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Abstract.We study the occurrence characteristics of mesospheric inversion layers (MILs) in the 60-105 km altitude region over the low-latitude Indian sector. We note that lower inversions in the mesospheric temperatures occur in the 70-75 km altitude regions while the upper inversions occur in 90-95 km altitude regions. The mesopause altitude is mostly noted to be ∼ 98 km with the night-time mesopause (particularly in the year 2002) showing a small peak in the mesopause occurrence at ∼ 75 km altitude. We note higher occurrence rate of MILs during high solar activity year compared to low solar activity year. It is also observed that night time MILs show a systematic seasonal variability, with higher occurrence of single and double temperature inversions during equinoxes.

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A numerical data base for VAX and personal computers for the storage, reconstruction and display of global thermospheric and ionospheric models

Cited by 9 publications

References 14 publications

Dynamics of the Earth's Thermosphere: A Review

Dynamics of the Earth's Thermosphere: A Review

An Evaluation of Fengyun-3C Radio Occultation Atmospheric Profiles Over 2015–2018

The occurrence altitudes of middle atmospheric temperature inversions and mesopause over low-latitude Indian sector

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