Tropical Atmospheres 0 To 90 Km

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Tropical Atmospheres 0 To 90 Km

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Author : Allen E. Cole
language : en
Publisher:
Release Date : 1975

Tropical Atmospheres 0 To 90 Km written by Allen E. Cole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Atmospheric density categories.

Mean monthly atmospheric models are presented which depict the periodic variations in the vertical distributions of temperature, pressure, and density, surface to 90 km, at the equator and 15 deg N. The models are internally consistent and in agreement with available radiosonde and rocket observations of the thermodynamic properties of the tropical atmosphere. In the tropics the combined amplitudes of the annual and semiannual oscillations of density at altitudes between 25 and 80 km are approximately the same magnitude as the diurnal variations. Observed data show that the phase (time of maximum) of the annual temperature and density oscillations between 25 and 90 km is nearly identical at 8 deg S, 9 deg N, and 17 deg N, indicating that the meteorological equator for thermodynamic properties of the atmosphere is 8 to 10 deg south of the geographical equator. (Author).

Tropical Atmospheres 0 To 90 Km

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Author : Allen E. Cole
language : en
Publisher:
Release Date : 1975

Tropical Atmospheres 0 To 90 Km written by Allen E. Cole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Atmosphere categories.

Mean monthly atmospheric models are presented which depict the periodic variations in the vertical distributions of temperature, pressure, and density, surface to 90 km, at the equator and 15 deg N. The models are internally consistent and in agreement with available radiosonde and rocket observations of the thermodynamic properties of the tropical atmosphere. In the tropics the combined amplitudes of the annual and semiannual oscillations of density at altitudes between 25 and 80 km are approximately the same magnitude as the diurnal variations. Observed data show that the phase (time of maximum) of the annual temperature and density oscillations between 25 and 90 km is nearly identical at 8 deg S, 9 deg N, and 17 deg N, indicating that the meteorological equator for thermodynamic properties of the atmosphere is 8 to 10 deg south of the geographical equator. (Author)

Arctic And Subarctic Atmospheres 0 To 90 Km

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Author : Allen E. Cole
language : en
Publisher:
Release Date : 1977

Arctic And Subarctic Atmospheres 0 To 90 Km written by Allen E. Cole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Atmosphere, Upper categories.

Sets of mean monthly reference atmospheres that describe seasonal changes in the vertical distributions of temperature, density, and pressure at altitudes up to 90 km are presented for latitudes 60 deg N and 75 deg N. Also provided are specialized atmospheric models that reflect longitudinal differences in the vertical structure of temperature and density at these latitudes. Estimates of the seasonal, day-to-day, diurnal, and spatial variations are given with special emphasis placed on density. (Author).

Monthly Midlatitude Atmospheres Surface To 90 Km

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Author : Arthur J. Kantor
language : en
Publisher:
Release Date : 1976

Monthly Midlatitude Atmospheres Surface To 90 Km written by Arthur J. Kantor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Atmosphere, Upper categories.

Sets of mean monthly Reference Atmospheres that reflect the seasonal changes in the vertical distributions of temperature, pressure, and density at altitudes up to 90 km are presented for latitudes 30 deg N and 45 deg N. Estimates of the magnitude of the diurnal, day-to-day, and spatial variability of temperature and density are included for altitudes above 20 km. Special attention is given to the distribution of atmospheric density since density is the atmospheric property of most concern to aerospace designers and engineers. This report is part of a comprehensive effort to develop sets of mean monthly atmospheric models, surface to 90 km, for 15 deg intervals of latitude from pole to equator. The research is being performed to help satisfy the many requests that have been received from Air Force engineers and designers for information on the time and space variability of atmospheric density and temperature at altitude up to 90 km. (Author).

Monthly 90 N Atmospheres And High Latitude Warm And Cold Winter Stratosphere Mesosphere

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Author : Arthur J. Kantor
language : en
Publisher:
Release Date : 1977

Monthly 90 N Atmospheres And High Latitude Warm And Cold Winter Stratosphere Mesosphere written by Arthur J. Kantor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Atmosphere, Upper categories.

A set of 12 mean monthly reference atmospheres, which describes the seasonal changes in the distribution of the thermodynamic properties of the atmosphere, is provided for the North Pole for altitudes up to 55 km. Additional atmospheric models for arctic and subarctic regions are presented to describe the large variations that occur in the vertical distributions of atmospheric temperature, density, and pressure during typical warmings and coolings of the winter stratosphere and mesosphere.

Air Force Reference Atmospheres

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Author : Allen E. Cole
language : en
Publisher:
Release Date : 1978

Air Force Reference Atmospheres written by Allen E. Cole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Atmospheric density categories.

Sets of mean monthly reference atmospheres that describe seasonal changes in the vertical distributions of temperature, density, and pressure up to 90 km are presented for 15 intervals of latitude between the equator and pole. Specialized atmospheres are included that portray longitudinal variations in monthly median values of temperature, density, and pressure during winter months. Other models illustrate the magnitude of the changes in the vertical distributions of these atmospheric properties during winter warmings and coolings of the stratosphere and mesosphere in arctic and subarctic regions. Estimates of the day-to-day variations around the monthly median values of temperature and density are provided for each set of models. (Author).

Time And Space Variation Of Density In The Tropics

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Author : Arthur J. Kantor
language : en
Publisher:
Release Date : 1979

Time And Space Variation Of Density In The Tropics written by Arthur J. Kantor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Atmospheric density categories.

A preliminary analysis of the time and space variability of atmospheric density over tropical regions was developed and is presented herein. Emphasis is placed on horizontal distances out to 200 nmi (370 km) and on time periods of from 1 to 12 hr. Estimated rms differences to 200 nmi and the rms variability of density with time are provided for altitudes up to 60 km.

Measurements Of Atmospheric Density At Kwajalein Atoll 18 May 1977

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Author : C. R. Philbrick
language : en
Publisher:
Release Date : 1978

Measurements Of Atmospheric Density At Kwajalein Atoll 18 May 1977 written by C. R. Philbrick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Accelerometers categories.

A triaxial piezoelectric accelerometer has been used to measure atmospheric drag acceleration on a falling sphere to determined atmospheric density. The technique allows determination of atmospheric density between 50 and 150 km, with an accuracy better than 5 percent and with an altitude resolution of about 200 m. Comparisons have been made with radar determined drag acceleration measurements, with rocketsonde measurements, and with passive Robin sphere density measurements during the same period. (Author).

Tropical Ocean Atmosphere Newsletter

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Author :
language : en
Publisher:
Release Date : 1980

Tropical Ocean Atmosphere Newsletter written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Marine meteorology categories.

Variability Of Atmospheric Density In The Middle Atmosphere

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Author : Arthur J. Kantor
language : en
Publisher:
Release Date : 1983

Variability Of Atmospheric Density In The Middle Atmosphere written by Arthur J. Kantor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Atmospheric density categories.

An analysis of the time and space variability of density in the middle atmosphere has been developed in this report, affording a means to determine density changes that occur over distances out to 200 nmi and time periods of 1 to 72 hr. Spatial variations - The rms differences between densities at locations 50, 100, and 200 nmi apart are provided in Tables 4, 8 and 11 for low- and middle- latitude stations at altitudes from 20 through 60 km. These rms values are estimates of the day-to-day variability around the mean density gradients given in Table 5 for low latitudes and Tables 9 and 12 for middle latitudes. Time variations - The rms variability of density for time periods from 1 to 12 hr in tropical regions is given in Table 13 for altitudes up to 60 km. Estimates were derived using autocorrelation theory and an analysis of the diurnal variation of density, which is the dominant periodic cycle at low latitudes. Analyses of available density observations at several midlatitude locations for altitudes between 30 and 60 km provide reasonable estimates of the magnitude (and changes with season and latitude) of the variability of density with time for periods up to 72 hr. Variations of density at these latitudes are relatively small during summer and do not increase significantly with time. Rms variations remain between 1-1/2 and 4 percent for all periods up to 72 hr.