Filtros de búsqueda

Lista de obras de Takuji Nakamura

A Multi-Instrument Measurement of a Mesospheric Front-Like at the Equator Structure

article published in 2006

A case study of ionospheric storm effects during long-lasting southward IMF Bz -driven geomagnetic storm

scholarly article

A concentric gravity wave structure in the mesospheric airglow images

artículo científico publicado en 2007

A mechanism to explain the variations of tropopause and tropopause inversion layer in the Arctic region during a sudden stratospheric warming in 2009

article

A meteor head echo analysis algorithm for the lower VHF band

scholarly article by J. Kero et al published 2 April 2012 in Annales Geophysicae

A scanning Raman lidar for observing the spatio-temporal distribution of water vapor

scholarly article by Masanori Yabuki et al published December 2016 in Journal of Atmospheric and Solar-Terrestrial Physics

A scheme for forecasting severe space weather

A sporadic sodium layer event detected with five-directional lidar and simultaneous wind, electron density, and electric field observation at Tromsø, Norway

scholarly article

A thermospheric Na layer event observed up to 140 km over Syowa Station (69.0°S, 39.6°E) in Antarctica

scholarly article

Adaptive Beamforming Technique for Accurate Vertical Wind Measurements with Multichannel MST Radar

Air Shower Detection by Bistatic Radar

Airglow OH emission height inferred from the OH temperature and meteor trail diffusion coefficient

article by H. Takahashi et al published January 2005 in Advances in Space Research

An improvement of wind velocity estimation from radar Doppler spectra in the upper mesosphere

An intense gravity wave near the mesopause region observed by a Fabry-Perot interferometer and an airglow imager

scholarly article

An intercomparison between the GSWM, UARS, and ground based radar observations: a case-study in January 1993

Atmospheric density and pressure inferred from the meteor diffusion coefficient and airglow O2b temperature in the MLT region

Atmospheric gravity waves excited by a fireball meteor: Observations and modeling

scholarly article

Atmospheric gravity waves identified by ground-based observations of the intensity and rotational temperature of OH airglow

Atmospheric wind effects on the gravity wave propagation observed at 22.7° S-Brazil

article

Balloon-borne observations of lower stratospheric water vapor at Syowa Station, Antarctica in 2013

Breaking of small-scale gravity wave and transition to turbulence observed in OH airglow

scholarly article

C2.1 coupling processes in the MLT region

CME front and severe space weather

scholarly article

Characteristics of Mesosphere Echoes over Antarctica Obtained Using PANSY and MF Radars

Characteristics of equatorial gravity waves derived from mesospheric airglow imaging observations

Characteristics of mesospheric gravity waves over Antarctica observed by Antarctic Gravity Wave Instrument Network imagers using 3‐D spectral analyses

scholarly article by Takashi S. Matsuda et al published September 2017 in Journal of Geophysical Research: Atmospheres

Characteristics of ripple structures revealed in OH airglow images

scholarly article

Climatological lower thermosphere winds as seen by ground-based and space-based instruments

Combined Raman lidar for the measurement of atmospheric temperature, water vapor, particle extinction coefficient, and particle backscatter coefficient

artículo científico publicado en 2002

Combined temperature lidar for measurements in the troposphere, stratosphere, and mesosphere

artículo científico publicado en 2004

Comparative observations of short-period gravity waves (10-100 min) in the mesosphere in 1989 by Saskatoon MF radar (52°N), Canada and the MU radar (35°N), Japan

article

Comparative study of interannual changes of the mean winds and gravity wave activity in the middle atmosphere over Japan, Central Europe and Canada

article

Comparison of OH rotational temperatures measured by the spectral airglow temperature imager (SATI) and by a tilting-filter photometer

Comparison of diurnal tide in models and ground-based observations during the 2005 equinox CAWSES tidal campaign

article published in 2012

Comparison of the mesospheric gravity waves observed with the MU Radar (35°N) and the Adelaide MF Radar (35°S)

scholarly article by Takuji Nakamura et al published 7 May 1993 in Geophysical Research Letters

Comparison of wind measurements between Yamagawa MF Radar and the MU Radar

scholarly article

Comparison of winds measured by MU radar and Fabry–Perot interferometer and effect of OI5577 airglow height variations

article by Junsuke Fujii et al published April 2004 in Journal of Atmospheric and Solar-Terrestrial Physics

Concentric gravity waves in the mesosphere generated by deep convective plumes in the lower atmosphere near Fort Collins, Colorado

artículo científico publicado en 2009

Coordinated observations of the mesopause region with radar and optical techniques

Corrigendum to “Comparison of diurnal tide in models and ground-based observations during the 2005 Equinox CAWSES tidal campaign”

scholarly article published in Journal of Atmospheric and Solar-Terrestrial Physics

Coupling of solar wind, magnetosphere, ionosphere and upper atmosphere

Decrease in sodium density observed during auroral particle precipitation over Tromsø, Norway

scholarly article

Development of airglow temperature photometers with cooled-CCD detectors

article

Development of an external interferometer for meteor wind observation attached to the MU radar

article

Diurnal variations of the planetary boundary layer observed with anL-band clear-air doppler radar

Dominant vertical scales of gravity waves in the middle atmosphere observed with the MU radar and rocketsondes

scholarly article by Y Murayama et al published March 1992 in Journal of Atmospheric and Solar-Terrestrial Physics

Effects of radar beam width and scatterer anisotropy on multiple-frequency range imaging using VHF atmospheric radar

Equatorial Atmosphere Radar (EAR): System description and first results

article by Shoichiro Fukao et al published June 2003 in Radio Science

Equatorial GPS ionospheric scintillations over Kototabang, Indonesia and their relation to atmospheric waves from below

scholarly article by Tadahiko Ogawa et al published April 2009 in Earth, Planets and Space

Estimation of Humidity Profiles by Combining Co-Located VHF and UHF Wind-Profiling Radar Observation

Features of a mesospheric inertio-gravity wave observed with the MU radar

First mesospheric wind images using the Michelson interferometer for airglow dynamics imaging

artículo científico publicado en 2016

Foil chaff ejection systems for rocket-borne measurement of neutral winds in the mesosphere and lower thermosphere

article by Yoshiko Koizumi et al published July 2004 in Review of Scientific Instruments

Formation of polar ionospheric tongue of ionization during minor geomagnetic disturbed conditions

Frequency spectra of mesospheric wind fluctuations observed with the MU radar

scholarly article

Geographical and Seasonal Variability of Mesospheric Bores Observed from the International Space Station

artículo científico publicado en 2019

Global-scale tidal structure in the mesosphere and lower thermosphere during the PSMOS campaign of June–August 1999 and comparisons with the global-scale wave model

article

Gravity wave characteristics in the mesopause region revealed from OH airglow imager observations over Northern Colorado

artículo científico publicado en 2014

Gravity wave intensity and momentum fluxes in the mesosphere over Shigaraki, Japan (35°N, 136°E) during 1986-1997

Gravity wave momentum flux in the upper mesosphere derived from OH airglow imaging measurements

Ground-based observations of nitric oxide in the mesosphere and lower thermosphere over Antarctica in 2012-2013

Height and time characteristics of seasonal and diurnal variations in PMWE based on 1 year observations by the PANSY radar (69.0°S, 39.6°E)

article by Takanori Nishiyama et al published 3 April 2015 in Geophysical Research Letters

High-resolution wind profiling using combined spatial and frequency domain interferometry

Historical space weather monitoring of prolonged aurora activities in Japan and in China

article

Horizontal structure of wind velocity field around the mesopause region derived from meteor radar observations

Implications of meteor observations by the MU Radar

scholarly article

Inertia-gravity wave in the polar mesopause region inferred from successive images of a meteor train

Interannual variability of mesospheric mean winds observed with the MU radar

Interferometric meteor radar phase calibration using meteor echoes

Intraseasonal oscillations of the zonal wind near the mesopause observed with medium-frequency and meteor radars in the tropics

scholarly article by Fusako Isoda published in November 2004

Lidar Observations of Sporadic Fe and Na Layers in the Mesopause Region over Equator

Long-Period wind oscillations in the mesosphere and lower thermosphere at Yamagawa (32°N,131°E), Pontianak (0°N,109°E) and Christmas Island (2°N,157°W)

article by Fusako Isoda et al published May 2002 in Journal of Atmospheric and Solar-Terrestrial Physics

Long-term observations of the wind field in the Antarctic and Arctic mesosphere and lower-thermosphere at conjugate latitudes

article published in 2011

Long-term variations of atmospheric wave activity in the mesosphere and lower thermosphere region over the equatorial Pacific

Longitudinal variability in intraseasonal oscillation in the tropical mesosphere and lower thermosphere region

scholarly article

LowerEregion field-aligned irregularities studied using the Equatorial Atmosphere Radar and meteor radar in Indonesia

scholarly article

Lunar tidal winds in the upper atmosphere over Jakarta

scholarly article

MF radar observations of mean winds over Yamagawa (31.2°N, 130.6°E) and Wakkanai (45.4°N, 141.7°E)

article published in 2000

MU Radar and Lidar Observations of Clear-Air Turbulence underneath Cirrus

article published in 2010

MU head echo observations of the 2010 Geminids: radiant, orbit, and meteor flux observing biases

article

MU radar head echo observations of the 2011 October Draconids

artículo científico publicado en 2012

MU radar head echo observations of the 2012 October Draconid outburst

artículo científico publicado en 2015

Mean winds at 60–90 km observed with the MU radar (35°N)

Mean winds observed by the Kyoto meteor radar in 1983–1985

Mesopause region temperature and wind measurements with pseudorandom modulation continuous-wave (PMCW) lidar at 589 nm: Erratum

scholarly article published in Applied Optics

Mesopause-region temperature and wind measurements with pseudorandom modulation continuous-wave (PMCW) lidar at 589 nm.

artículo científico publicado en 2011

Mesosphere/lower thermosphere prevailing wind model

article published in 2004

Mesospheric bore formation from large-scale gravity wave perturbations observed by collocated all-sky OH imager and sodium lidar

scholarly article by Jia Yue et al published January 2010 in Journal of Atmospheric and Solar-Terrestrial Physics

Mesospheric concentric gravity waves generated by multiple convective storms over the North American Great Plain

article by Sharon Vadas et al published 14 April 2012 in Journal of Geophysical Research

Meteor Orbit Determinations with Multistatic Receivers Using the MU Radar

Meteor luminosity at 160 km altitude from TV observations for bright Leonid meteors

scholarly article

Meteor studies in the framework of the JEM-EUSO program

Meteor wind observations with the MU radar

Middle and upper atmosphere radar observations of ionospheric density gradients produced by gravity wave packets

artículo científico publicado en 1994

Multi-point observation of short-period mesospheric gravity waves over Japan during the FRONT Campaign

scholarly article

Multiple beam observations of mid-latitude ionospheric disturbances by the MU radar

Observation of local tidal variability and instability, along with dissipation of diurnal tidal harmonics in the mesopause region over Fort Collins, Colorado (41°N, 105°W)

artículo científico publicado en 2009

Observations of atmospheric waves in the tropical Pacific with radars and radiosondes

Peculiarities of interannual changes in the mean wind and gravity wave characteristics in the mesosphere over Shigaraki, Japan

scholarly article

Persistent longitudinal variations in 8 years of CIPS/AIM polar mesospheric clouds

Program of the Antarctic Syowa MST/IS radar (PANSY)

scholarly article by Kaoru Sato et al published October 2014 in Journal of Atmospheric and Solar-Terrestrial Physics

Radar observations of the diurnal tide in the tropical mesosphere-lower thermosphere region: Longitudinal variabilities

Rayleigh/Raman lidar observations of gravity wave activity from 15 to 70 km altitude over Syowa (69°S, 40°E), the Antarctic

Recent upgrades of the rotational vibrational-rotational Raman lidar of RASC, Kyoto University, Japan: first results

Reply [to “Comments on ‘Middle and upper atmosphere radar observations of ionospheric density gradients produced by gravity wave packets’ by W. L. Oliver et al.”]

scholarly article

Reverse ray tracing of the mesospheric gravity waves observed at 23°S (Brazil) and 7°S (Indonesia) in airglow imagers

article

Rotational vibrational-rotational Raman lidar: design and performance of the RASC Raman lidar at Shigaraki, Japan (34.8 degrees N, 136.1 degrees E)

Seasonal and interannual variability of mesospheric echoes observed with the Middle and Upper Atmosphere Radar during 1986-1995

scholarly article

Seasonal and local time variability of ripples from airglow imager observations in US and Japan

Seasonal variability of vertical eddy diffusivity in the middle atmosphere: 1. Three-year observations by the middle and upper atmosphere radar

artículo científico publicado en 1994

Seasonal variation of gravity waves with various temporal and horizontal scales in the MLT region observed with radar and airglow imaging

Seasonal variation of nocturnal temperature and sodium density in the mesopause region observed by a resonance scatter lidar over Uji, Japan

scholarly article

Seasonal variations of 3.0∼3.8-day ultra-fast Kelvin waves observed with a meteor wind radar and radiosonde in Indonesia

scholarly article by S. Yoshida et al published July 1999 in Earth, Planets and Space

Semidiurnal tides from the extended Canadian Middle Atmosphere Model (CMAM) and comparisons with TIMED Doppler interferometer (TIDI) and meteor radar observations

article

Simultaneous Observations of Thin Humidity Gradients in the Lower Troposphere with a Raman Lidar and the Very High-Frequency Middle- and Upper-Atmosphere Radar

Simultaneous PMC and PMSE observations with a ground-based lidar and SuperDARN HF radar at Syowa Station, Antarctica

scholarly article by H. Suzuki et al published 24 October 2013 in Annales Geophysicae

Simultaneous airglow, lidar, and radar measurements of mesospheric gravity waves over Japan

scholarly article

Simultaneous measurements of airglow oh emissionand meteor wind by a scanning photometer and the muradar

article published in 1998

Simultaneous mesosphere-lower thermosphere and thermosphericFregion observations using middle and upper atmosphere radar

scholarly article

Simultaneous observation of dual-site airglow imagers and a sodium temperature-wind lidar, and effect of atmospheric stability on the airglow structure

article published in 2005

Simultaneous observation of gravity waves at PMC altitude from AIM/CIPS experiment and PANSY radar over Syowa (69°S, 39°E)

scholarly article by Brentha Thurairajah et al published November 2017 in Journal of Atmospheric and Solar-Terrestrial Physics

Simultaneous observations of meteors with the radar and TV systems

Sixteen year variation of horizontal phase velocity and propagation direction of mesospheric and thermospheric waves in airglow images at Shigaraki, Japan

artículo científico publicado en 2017

Special issue “International CAWSES-II Symposium”

Statistical investigation of Na layer response to geomagnetic activity using resonance scattering measurements by Odin/OSIRIS

scholarly article

Studies of gravity wave propagation in the mesosphere observed by MU radar

scholarly article by H. Y. Lue et al published 15 May 2013 in Annales Geophysicae

TARA: Forward-scattered radar detection of UHECR at the telescope array

TV Observation of the Leonid Meteor Shower in 2002: First Observation of a Faint Meteor Storm

article by Yasunori Fujiwara et al published 25 December 2003 in Publications of the Astronomical Society of Japan

Temperature fluctuations near the mesopause inferred from meteor observations with the middle and upper atmosphere radar

The 2009-2010 MU radar head echo observation programme for sporadic and shower meteors: radiant densities and diurnal rates

artículo científico publicado en 2012

The JEM-EUSO mission: An introduction

The Meteoroid Input Function and predictions of mid-latitude meteor observations by the MU radar

The effects of particle size distributions on cross-spectral phase measurements in spatial interferometry

The increase in OH rotational temperature during an active aurora event

The lowest mesopause temperature in 1996 and 1997 at 23°S

The wave2000 campaign: overview and preliminary results

Three years of concentric gravity wave variability in the mesopause as observed by IMAP/VISI

scholarly article

Upper Atmosphere Observations by Resonance Scatter Lidars

Validation of HRDI MLT winds with meteor radars

Variability of gravity wave occurrence frequency and propagation direction in the upper mesosphere observed by the OH imager in Northern Colorado

scholarly article by Xiankang Dou et al published April 2010 in Journal of Atmospheric and Solar-Terrestrial Physics

Variations of OH rotational temperature over Syowa Station in the austral winter of 2008

article

Variations of global gravity waves derived from 14 years of SABER temperature observations

Variations of nitric oxide in the mesosphere and lower thermosphere over Antarctica associated with a magnetic storm in April 2012

article by Yasuko Isono et al published 1 April 2014 in Geophysical Research Letters

Variations of the gravity wave characteristics with height, season and latitude revealed by comparative observations

scholarly article by T. Tsuda et al published April 1994 in Journal of Atmospheric and Solar-Terrestrial Physics

Vertical Wind Disturbances during a Strong Wind Event Observed by the PANSY Radar at Syowa Station, Antarctica

Vertical propagation of a mesoscale gravity wave from the lower to the upper atmosphere

scholarly article by Shin Suzuki et al published May 2013 in Journal of Atmospheric and Solar-Terrestrial Physics

Waves in airglow structures experiment 2004: Overview and preliminary results

Weighted imaging Doppler interferometry

Wind observations in the MLT region over Southern Japan, by using foil chaff technique, Yamagawa MF radar and the NW radar