Search Results - "PUMPHREY, Hugh C"
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1
Solar occultation satellite data and derived meteorological products: Sampling issues and comparisons with Aura Microwave Limb Sounder
Published in Journal of Geophysical Research - Atmospheres (27-12-2007)“…Derived Meteorological Products (DMPs, including potential temperature, potential vorticity (PV), equivalent latitude (EqL), horizontal winds and tropopause…”
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2
Australian New Year's PyroCb Impact on Stratospheric Composition
Published in Geophysical research letters (28-12-2020)“…Following the Australian New Year's pyrocumulonimbus complex between 29 December 2019 and 4 January 2020, the Aura Microwave Limb Sounder (MLS) observed a…”
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3
Microwave Limb Sounder (MLS) observations of biomass burning products in the stratosphere from Canadian forest fires in August 2017
Published in Atmospheric chemistry and physics (15-11-2021)“…Forest fires in British Columbia in August 2017 caused a pyrocumulonimbus event that injected a polluted air mass into the lower stratosphere. The Microwave…”
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4
A minor sudden stratospheric warming with a major impact: Transport and polar processing in the 2014/2015 Arctic winter
Published in Geophysical research letters (28-09-2015)“…Stratospheric transport and polar processing during the 2014/2015 Arctic winter were strongly influenced by a minor sudden stratospheric warming (SSW) in early…”
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5
Validation of a new prototype water vapor retrieval for the UARS Microwave Limb Sounder
Published in Journal of Geophysical Research (27-04-1999)“…The UARS Microwave Limb Sounder (MLS) measured water vapor in the middle atmosphere between September 1991 and April 1993. The current version of the data,…”
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6
The impact of the mixing properties within the Antarctic stratospheric vortex on ozone loss in spring
Published in Journal of Geophysical Research (16-02-2001)“…Calculations of equivalent length from an artificial advected tracer provide new insight into the isentropic transport processes occurring within the Antarctic…”
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7
MLS measurements of stratospheric hydrogen cyanide during the 2015–2016 El Niño event
Published in Atmospheric chemistry and physics (19-01-2018)“…It is known from ground-based measurements made during the 1982–1983 and 1997–1998 El Niño events that atmospheric hydrogen cyanide (HCN) tends to be higher…”
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8
Recovery and validation of Odin/SMR long-term measurements of mesospheric carbon monoxide
Published in Atmospheric measurement techniques (25-09-2020)“…The Sub-Millimetre Radiometer (SMR) on board the Odin satellite performs limb sounding measurements of the middle atmosphere to detect molecular emission from…”
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9
Aura Microwave Limb Sounder observations of the polar middle atmosphere: Dynamics and transport of CO and H2O
Published in Journal of Geophysical Research: Atmospheres (16-03-2011)“…The vertical structure and evolution of the wintertime annular modes are studied using 6 years of geopotential height, carbon monoxide (CO), and water vapor…”
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10
Intraseasonal variations of water vapor in the tropical upper troposphere and tropopause region
Published in Journal of Geophysical Research, Washington, DC (16-07-2000)“…We show the signature of the tropical intraseasonal oscillation (TIO) in upper tropospheric moisture and dynamical fields, roughly between 200 and 100 hPa…”
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11
Simulation study for measurement of horizontal wind profiles in the polar stratosphere and mesosphere using ground-based observations of ozone and carbon monoxide lines in the 230–250 GHz region
Published in Atmospheric measurement techniques (01-07-2016)“…Meteorological and atmospheric models are being extended up to 80 km altitude but there are very few observing techniques that can measure…”
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12
Onset, extent, and duration of dehydration in the southern hemisphere polar vortex
Published in Journal of Geophysical Research (16-10-2001)“…Satellite observations of water vapor and aerosol extinction along with temperature trajectory calculations are analyzed for the Southern Hemisphere winter of…”
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13
Lower stratospheric water vapor measured by UARS MLS
Published in Geophysical research letters (15-06-2000)“…We present zonal mean time series of water vapor in the lower stratosphere as measured by UARS MLS. The data are taken from a development version known as…”
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14
An all-sky survey at 230 GHz by MLS on Aura
Published in Advances in space research (02-02-2009)“…The Microwave Limb Sounder (MLS) instrument is a small satellite-borne radio telescope. Its purpose is to make limb-scanning measurements of atmospheric…”
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15
Retrieval of Tangent Pressures From EOS-MLS Radiances Using a Neural Network for Use in an Assimilation Scheme
Published in IEEE transactions on geoscience and remote sensing (01-05-2007)“…Limb sounding instruments provide high vertical resolution data on the temperature and composition of the atmosphere. Their data are, therefore, valuable for…”
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16
Influence of the Madden-Julian Oscillation on upper tropospheric humidity
Published in Journal of Geophysical Research - Atmospheres (16-12-2002)“…Variations of upper tropospheric humidity (UTH) and cold cloud in the tropics reveal coherent changes that propagate eastward from the Indian Ocean into the…”
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17
Water vapour and ozone in the mesosphere as measured by UARS MLS
Published in Geophysical research letters (01-06-1997)“…Until recently, measurements of water vapour in the upper mesosphere were scarce. Instruments on the UARS platform have made the first global measurements of…”
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18
Nonlinear retrievals of water vapour from the UARS Microwave Limb Sounder (MLS)
Published in Advances in space research (01-01-1998)“…The Microwave Limb Sounder (MLS) on the Upper Atmosphere Research Satellite (UARS) measures water vapour concentration in the stratosphere and mesosphere. The…”
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19
Design of sparse arrays in one, two, and three dimensions
Published in The Journal of the Acoustical Society of America (01-03-1993)“…In order to detect the direction from which plane waves are arriving, it is common to use an array of microphones, or other sensors, which are uniformly spaced…”
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20
Underwater sound produced by individual drop impacts and rainfall
Published in The Journal of the Acoustical Society of America (01-04-1989)“…An experimental study of the underwater sound produced by water drop impacts on the surface is described. It is found that sound may be produced in two ways:…”
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