Measurement of middle atmospheric ozone density profile by rocket-borne radiometer onboard KSR-II

Kim, Jhoon; Lee, Soo Jin; Lee, Jae Deuk; Cho, Gwang Rae; Won, Young-Shin; Cho, Hi Ku

doi:10.1016/s0273-1177(01)80014-4

Cited by 6 publications

(6 citation statements)

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“…The detector is an upgraded and modified version of the previous ones. 10) A total of 16 analog channels was assigned for radiometry and all channels have a rate of 200 samples/s. The obtained preliminary ozone density profile is shown in Fig.…”

Section: Flight Test Resultsmentioning

confidence: 99%

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Flight Tests of the KSR-III: The Enhanced Onboard Electronics System

Hwang

Lee

Kim

et al. 2004

Trans. Japan Soc. Aero. S Sci.

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The third-generation Korean sounding rocket, KSR-III, was successfully launched on Nov. 28, 2002 from the western coastal area of the Korean Peninsula. The previous KSR-I and -II series had employed a solid propulsion system whereas the KSR-III utilizes Korea's first liquid propulsion system. The prime objective of the mission was to evaluate the performance of the liquid propulsion system. The onboard electronics system of the KSR-III is an enhanced version of the ones used in the previous series. The system has extended data channels and has adopted a distributed data processing system using the RS-485 bus network. The rocket has various sensors to measure physical characteristics such as temperature, pressure, strain, acceleration, etc., and has scientific instruments including an ozone detector and two magnetometers. The flight data is transmitted to the ground station in real time by the onboard telemetry system. The onboard electronics system of the KSR-III mainly consists of telemetry, an RF subsystem, a tele-command system, a power supply system, and scientific payloads. Herein, we present an overview of the enhanced electronics system of the KSR-III and representative flight test results analyses including scientific data are discussed.

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Section: Flight Test Resultsmentioning

confidence: 99%

“…Using UV radiometers, the ozone density profiles were obtained over the Korean Peninsula. [5][6][7][8][9][10] X-ray and ionospheric electron measurement were also carried out by instruments onboard the KSR-II. 11,12) The KSR-III is the first Korean rocket which employs a liquid propulsion system.…”

Section: Introductionmentioning

confidence: 99%

Flight Tests of the KSR-III: The Enhanced Onboard Electronics System

Hwang

Lee

Kim

et al. 2004

Trans. Japan Soc. Aero. S Sci.

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“…KSR (Korea Sounding Rocket) series, first launched in June 4, 1993 obtained several sounding data on ozone concentration profiles in the middle atmosphere over the Korean Peninsula (Kim et al, 1997(Kim et al, , 2001. In Nov. 28, 2002, KSR-III was launched from the west coast of the Korean peninsula to obtain a vertical profile of O 3 number density in the stratosphere.…”

Section: Measurementsmentioning

confidence: 99%

“…Numerous measurements of O 3 , either its total amount or vertical profiles have been obtained from various platforms such as ground-based, balloons, satellites, and sounding rockets. The well-known rocket-borne instrument was ROCOZ (Rocket Ozonesonde) radiometer Krueger (1984), while different type of UV radiometers were onboard the rockets by KARI (Korea Aerospace Research Institute) (Kim et al, 2001) and ISAS (Institute of Space and Astronautical Science), Japan (Watanabe et al, 1992). The satellite-based observations have been very popular due to its continuous global coverage, and recent well-known missions for O 3 measurements include TOMS(Total Ozone Mapping Spectrometer), GOME (Global Ozone Monitoring Experiment), SAGE (Stratospheric Aerosol and Gas Experiment), POAM (Polar Ozone and Aerosol Measurement), HALOE (HALogen Occultation Experiment), GOMOS (Global Ozone Monitoring by Occultation of Stars), and MSX/UVISI (Midcourse Space Experiment/Ultraviolet and Visible Imagers and Spectrographic Imagers).…”

Section: Introductionmentioning

confidence: 99%

Vertical O 3 profiling and error analysis by UV radiometer onboard KSR-III

et al. 2004

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Ozone density profile over the Korean peninsula was obtained by UV radiometer onboard the KSR-III (Korea Sounding Rocket-III) launched in Nov. 2002 and compared with other observations from satellites and ozonesonde. Due to altitude limitations in this first test flight of the newly-developed system, the apogee of the rocket was still in the stratosphere. Most of the previous algorithm for the optical absorption technique assumed to have measurements out of the ozone layer but our situation provided an opportunity to consider an algorithm to retrieve the vertical profiles of O 3 number density for the rocket flight whose apogee is still in the ozone layer. In measurements by using optical instruments, various error sources exist in characterizing optical properties of detectors and atmospheric parameters. The magnitude of errors are analyzed and estimated in various rocket soundings but their quantitative effects of error sources due to each parameter in the retrieval have not been investigated in detail yet. In this paper, the quantitative error effects on the retrieval algorithm are investigated with respect to the altitudes. It is worthwhile to investigate this error sources for the current sounding as well as to reevaluate the previous rocket sounding data. Among retrieval parameters, the most influential error sources are found to be the absorption cross section and the filter response function. +0.65 nm shift in filter response function or -0.55 nm shift errors in absorption cross section are found to result in 5% deviation on the total number density. Whereas the total number density profiles are not so sensitive to the Rayleigh scattering or the slant air column density assumed. The stray light effect of the interference filter was also investigated.

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“…We limit our scope to radiation transport through lower ionospheric regions, in which case photoabsorption due to ozone is negligible. Overall, O 2 is considered as the main absorber of radiation in the UV as N 2 is transparent to radiation with wavelengths longer than ∼100 nm (e.g., Meier, 1991; Zheleznyak et al., 1982), and ozone is only effective at stratospheric altitudes (e.g., Kim et al., 2001; Roth et al., 2007). We note that ozone contributes to absorption of photons with maximum wavelength of ∼320 nm (e.g., Meier, 1991).…”

Section: Introductionmentioning

confidence: 99%

A Framework for Efficient Calculation of Photoionization and Photodetachment Rates With Application to the Lower Ionosphere

Janalizadeh

Pasko

2020

JGR Space Physics

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A framework is developed to model photoionization of metals deposited in the lower ionosphere as a result of meteoric ablation and photodetachment of electrons from negative ions of the Earth's ionosphere due to sources of emission other than solar radiation. A wide range of the electromagnetic spectrum including cases of negligible, moderate, and significant absorption of radiation is considered. We limit our scope to the radiation transport through lower ionospheric regions, in case when molecular oxygen, O2, is considered as the main absorber of radiation as photoabsorption due to ozone is only effective at stratospheric altitudes and molecular nitrogen, N2, is transparent to radiation with wavelengths longer than ∼100 nm. We model photon transport in an exponential atmosphere and derive efficient differential representations of the problem in case of negligible photoabsorption and constant pressure approximations. Photoabsorption asymmetry in the atmosphere is demonstrated in case of photons with absorption scales comparable to the scale height of the atmosphere. The application of the model to photoionization in the lower ionosphere is demonstrated by considering photoionization of meteoric species due to photons of the Lyman‐Birge‐Hopfield (LBH) band system of N2 observed in the aurora and in the lightning‐induced transient luminous events. Furthermore, we model detachment of electrons from negative ions of the ionosphere due to the first positive and the second positive band systems of N2, and the first negative band system of N 2+, also observed in the sources mentioned above.

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Measurement of middle atmospheric ozone density profile by rocket-borne radiometer onboard KSR-II

Cited by 6 publications

References 5 publications

Flight Tests of the KSR-III: The Enhanced Onboard Electronics System

Flight Tests of the KSR-III: The Enhanced Onboard Electronics System

Vertical O 3 profiling and error analysis by UV radiometer onboard KSR-III

A Framework for Efficient Calculation of Photoionization and Photodetachment Rates With Application to the Lower Ionosphere

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