Mean winds at the cloud top of Venus obtained from two-wavelength UV imaging by Akatsuki
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- Material Type
- 記事
- Author/Editor
- Takeshi HorinouchiToru KouyamaYeon Joo Lee
- Publication, Distribution, etc.
- Publication Date
- 2018-01-15
- Publication Date (W3CDTF)
- 2018-01-15
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 70(10)
- Volume
- 70(10)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-017-0775-3
- Persistent ID (NDL)
- info:ndljp/pid/11067466
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2018-04-12T16:47:48+09:00
- Date Captured (W3CDTF)
- 2018-04-12
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11067456
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Related Material (URI)
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCiNii Articles
- Bibliographic ID (NDL)
- 11067466
- NAID
- 40018782397
- Summary, etc.
- The ultraviolet imager (UVI) has been developed for the Akatsuki spacecraft (Venus Climate Orbiter mission). The UVI takes ultraviolet (UV) images of the solar radiation reflected by the Venusian clouds with narrow bandpass filters centered at the 283 and 365 nm wavelengths. There are absorption bands of SO2 and unknown absorbers in these wavelength regions. The UV images provide the spatial distribution of SO2 and the unknown absorber around cloud top altitudes. The images also allow us to understand the cloud top morphologies and haze properties. Nominal sequential images with 2-h intervals are used to understand the dynamics of the Venusian atmosphere by estimating the wind vectors at the cloud top altitude, as well as the mass transportation of UV absorbers. The UVI is equipped with off-axial catadioptric optics, two bandpass filters, a diffuser installed in a filter wheel moving with a step motor, and a high sensitivity charge-coupled device with UV coating. The UVI images have spatial resolutions ranging from 200 m to 86 km at sub-spacecraft points. The UVI has been kept in good condition during the extended interplanetary cruise by carefully designed operations that have maintained its temperature maintenance and avoided solar radiation damage. The images have signal-to-noise ratios of over 100 after onboard desmear processing.
- DOI
- 10.1186/s40623-017-0775-3
- Access Restrictions
- インターネット公開
- Rights (production)
- © The Author(s) 2018.This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
- Related Material
- Mean winds at the cloud top of Venus obtained from two-wavelength UV imaging by Akatsuki
- Related Material (URI)
- Is Referenced By
- How waves and turbulence maintain the super-rotation of Venus' atmosphereStationary Features at the Cloud Top of Venus Observed by Ultraviolet Imager Onboard AkatsukiPlanetary‐Scale Variations in Winds and UV Brightness at the Venusian Cloud Top: Periodicity and Temporal EvolutionThermal Tides in the Upper Cloud Layer of Venus as Deduced From the Emission Angle Dependence of the Brightness Temperature by Akatsuki/LIRCold Collar Reproduced by a Venus GCM With the Akatsuki Horizontal Wind AssimilationPeriodic Variation of Mesoscale Ultraviolet Contrast at the Cloud Top of VenusMorphology and Dynamics of Venus's Middle Clouds With Akatsuki/IR1Atmospheric response to high-resolution topographical and radiative forcings in a general circulation model of Venus: Time-mean structures of waves and variancesSuperrotation in Planetary AtmospheresHorizontal structures of bow-shaped mountain wave trains seen in thermal infrared images of venusian clouds taken by Akatsuki LIRPlanetary‐Scale Waves Seen in Thermal Infrared Images of Venusian Cloud TopSpatial and Temporal Variability of the 365‐nm Albedo of Venus Observed by the Camera on Board Venus ExpressGravity Wave Packets in the Venusian Atmosphere Observed by Radio Occultation Experiments: Comparison With Saturation TheoryLong‐Term Variation of the Quasi‐Five‐Day Wave in the Top Layer of Venus CloudsA Sensitivity Study of the Thermal Tides in the Venusian Atmosphere: Structures and Dynamical Effects on the SuperrotationRotational/divergent flow and energy conversion of thermal tides in a Venus general circulation modelFormation and Quasi‐Periodic Variation of Equatorial Jet Caused by Planetary‐Scale Waves in the Venusian Lower Cloud LayerLocal Time Dependence of the Thermal Structure in the Venusian Equatorial Upper Atmosphere: Comparison of Akatsuki Radio Occultation Measurements and GCM ResultsNightside Winds at the Lower Clouds of Venus with Akatsuki/IR2: Longitudinal, Local Time, and Decadal Variations from Comparison with Previous MeasurementsBrightness modulations of our nearest terrestrial planet Venus reveal atmospheric super-rotation rather than surface featuresInstrumental requirements for the study of Venus’ cloud top using the UV imaging spectrometer VeSUVA GCM Study on the 4‐Day and 5‐Day Waves in the Venus AtmosphereEvaluation of new radio occultation observations among small satellites at Venus by data assimilationThe nightside cloud-top circulation of the atmosphere of VenusCorrelation of Venusian Mesoscale Cloud Morphology Between Images Acquired at Various WavelengthsAmateur Observers Witness the Return of Venus’ Cloud DiscontinuityTwelve-Year Cycle in the Cloud Top Winds Derived from VMC/Venus Express and UVI/Akatsuki ImagingReflectivity of Venus’s Dayside Disk During the 2020 Observation Campaign: Outcomes and Future PerspectivesVenus cloud discontinuity in 2022The first assimilation of Akatsuki single-layer winds and its validation with Venusian atmospheric waves excited by solar heatingPrincipal components of short-term variability in the ultraviolet albedo of VenusSolar-locked and geographical atmospheric structures inferred from a Venus general circulation model with radiative transferLong-term Variations of Venus’s 365 nm Albedo Observed by Venus Express, Akatsuki, MESSENGER, and the Hubble Space TelescopeEvaluation of a method to retrieve temperature and wind velocity profiles of the Venusian nightside mesosphere from mid-infrared CO2 absorption line observed by heterodyne spectroscopyUltraviolet imager on Venus orbiter Akatsuki and its initial resultsSpecial issue “Akatsuki at Venus : the first year of scientific operation”Influence of the cloud-level neutral layer on the vertical propagation of topographically generated gravity waves on Venus
- References
- Overview of Akatsuki data products: definition of data levels, method and accuracy of geometric correctionImage velocimetry for clouds with relaxation labeling based on deformation consistencyEquatorial jet in the lower to middle cloud layer of Venus revealed by AkatsukiPreliminary characterization of the upper haze by SPICAV/SOIR solar occultation in UV to mid‐IR onboard Venus ExpressVertical structure of the Venus cloud top from the VeRa and VIRTIS observations onboard Venus ExpressThe relationship between mesoscale circulation and cloud morphology at the upper cloud level of Venus from VMC/Venus ExpressZonally non‐uniform distribution of equatorial gravity waves in an atmospheric general circulation modelMorphology of the cloud tops as observed by the Venus Express Monitoring CameraThe Roles of Equatorial Trapped Waves and Internal Inertia–Gravity Waves in Driving the Quasi-Biennial Oscillation. Part II: Three-Dimensional Distribution of Wave ForcingStructure and circulation of the Venus atmosphereCloud morphology and motions from Pioneer Venus imagesVenus's winds and temperatures during the MESSENGER's flyby: An approximation to a three‐dimensional instantaneous state of the atmosphereHigh Resolution Cloud Feature Tracking on Venus by GalileoThe quasi‐biennial oscillationVenus: Cloud level circulation during 1982 as determined from pioneer cloud photopolarimeter imagesA reanalysis of Venus winds at two cloud levels from Galileo SSI imagesOptical extinction due to aerosols in the upper haze of Venus: Four years of SOIR/VEX observations from 2006 to 2010Venus cloud top winds from tracking UV features in Venus Monitoring Camera imagesAutomated cloud tracking system for the Akatsuki Venus Climate Orbiter dataLong‐term variation in the cloud‐tracked zonal velocities at the cloud top of Venus deduced from Venus Express VMC imagesImproved automatic estimation of winds at the cloud top of Venus using superposition of cross-correlation surfacesVENUS CLOUD MORPHOLOGY AND MOTIONS FROM GROUND-BASED IMAGES AT THE TIME OF THE AKATSUKI ORBIT INSERTION<sup>∗</sup>Circulation of the atmosphere from the surface to 100 kmZonal mean circulation at the cloud level on Venus: Spring and fall 1979 OCPP observationsDynamical properties of the Venus mesosphere from the radio-occultation experiment VeRa onboard Venus ExpressInfluence of Venus topography on the zonal wind and UV albedo at cloud top level: The role of stationary gravity wavesVertical profiling of SO2 and SO above Venus’ clouds by SPICAV/SOIR solar occultationsSulfur dioxide in the Venus atmosphere: I. Vertical distribution and variabilityThe abundance and vertical distribution of the unknown ultraviolet absorber in the venusian atmosphere from analysis of Venus Monitoring Camera imagesCloud level winds from the Venus Express Monitoring Camera imagingVenus mesospheric sulfur dioxide measurement retrieved from SOIR on board Venus ExpressAerosol properties in the upper haze of Venus from SPICAV IR dataPlanetary-Scale Waves and the Cyclic Nature of Cloud Top Dynamics on VenusScattering Properties of the Venusian Clouds Observed by the UV Imager on board AkatsukiSix years of Venus winds at the upper cloud level from UV, visible and near infrared observations from VIRTIS on Venus ExpressHorizontal structure of planetary-scale waves at the cloud top of Venus deduced from Galileo SSI images with an improved cloud-tracking techniqueCloud Motions on Venus: Global Structure and OrganizationDistribution and source of the UV absorption in Venus' atmosphereOptical properties of the Venus upper clouds from the data obtained by Venus Monitoring Camera on-board the Venus ExpressMorphology and movements of polarizations features on Venus as seen in the pioneer Orbiter Cloud Photopolarimeter dataCloud-Tracked Winds from<i>Pioneer Venus</i>OCPP ImagesVenus: Cloud level circulation during 1982 as determined from Pioneer cloud photopolarimeter imagesVariable winds on Venus mapped in three dimensionsVenus atmospheric circulation: Observations and implications of the thermal structureGlory on Venus cloud tops and the unknown UV absorberInst. of Space and Astronautical Science, Japan Aerospace Exploration AgencyUltraviolet imager on Venus orbiter Akatsuki and its initial resultsAKATSUKI returns to Venus
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース科学研究費助成事業データベース科学研究費助成事業データベースJapan Link Center学術機関リポジトリデータベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 11067466
- NAID
- 120006489890