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Abbravation: Annales Geophysicae

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Copernicus GmbH

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0992-7689

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Observations of longlived solar wind streams duri

Authors: Woan G
Publish Date: 1995/03/31
Volume: 13, Issue: 3, Pages: 227-236
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Abstract

Abstract Interplanetary scintillation IPS can be used to identify changes in solar wind parameters over a wide range in heliographic latitude and elongation and constrain models of its largescale structure velocity and density This paper reviews the scintillation density mapping method specifically and presents over three years of data taken between March 1990 and September 1993 with the 36 hectare array in Cambridge A novel form of synoptic plot that is particularly sensitive to corotating structures is introduced and lowdensity streams are identified by their unequivocal signatures within it Stable corotating structures are evident throughout even during the active phase of the solar cycle and specific periods are examined Density measurements inferred from scintillation are compared with IMP8 data for the same period and are shown to be in good agreement giving further support to the scintillation/density relationship determined by Tappin 1986

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Other Papers In This Journal:
  1. Equatorial ionospheric response to isolated auroral substorms over a solar cycle (1980−85): evidence of longitudinal anomaly
  2. The relationship between VHF radar auroral backscatter amplitude and Doppler velocity: a statistical study
  3. Long-period fading in atmospherics during severe meteorological activity and associated solar geophysical phenomena at low latitudes
  4. A statistical analysis for pattern recognition of small cloud particles sampled with a PMS-2DC probe
  5. Inversion, error analysis, and validation of GPS/MET occultation data
  6. Electron cyclotron waves in the presence of parallel electric fields in the Earth's auroral plasma
  7. Methods of detection and estimation errors in ST radar studies
  8. Simultaneous observations of the 2-day wave at London (43°N, 81°W) and Saskatoon (52°N, 107°W) near 91 km altitude during the two years of 1993 and 1994
  9. Low frequency waves in plasmas with spatially varying electron temperature
  10. A generation mechanism for chorus emission
  11. MUREX: a land-surface field experiment to study the annual cycle of the energy and water budgets
  12. On the prediction of solar activity using different neural network models
  13. ELF wave generation in the ionosphere using pulse modulated HF heating: initial tests of a technique for increasing ELF wave generation efficiency
  14. Comparison of F-region electron density observations by satellite radio tomography and incoherent scatter methods
  15. An overview of a heavy rain event in southeastern Iberia: the role of large-scale meteorological conditions
  16. Cooling rate of thermal electrons by electron impact excitation of fine structure levels of atomic oxygen
  17. The structure and origin of magnetic clouds in the solar wind
  18. Outflowing ionospheric oxygen-ion motion in a reconfigurating magnetosphere
  19. Long duration Pc 5 compressional pulsations inside the Earth's magnetotail lobes
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