[PDF] Top 20 Observed and predicted characteristics of equatorial F1 layer during solar minimum
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Observed and predicted characteristics of equatorial F1 layer during solar minimum
... the equatorial F1 layer during solar ...The observed characteristics of F1 layer by the Jicamarca digisonde are compared with the model ...for ... See full document
10
Equatorial vertical plasma drifts and the measured and IRI model predicted F2 layer parameters above Ouagadougou during solar minimum
... 2 layer peak parameters at equatorial and mid- latitudes is essentially latitude difference, which seems to be connected to the geomagnetic field ...the equatorial region, where recombination loss ... See full document
17
E layer dominated ionosphere observed by EISCAT/ESR radars during solar minimum
... were observed more often in winter and earlier spring than other seasons, especially in the auroral ...events observed by the two radars is remarkable, being 30 min on average at Tromsø but about a half of ... See full document
9
Equatorial plasma bubbles and L-band scintillations in Africa during solar minimum
... the observed seasonal climatology of the EPBs as well as GPS scintillations in equatorial Africa is adequately explained by geometric arguments, ...the solar terminator and local geomagnetic field, ... See full document
8
GPS TEC, scintillation and cycle slips observed at high latitudes during solar minimum
... At only 3 ◦ lower CGM latitude in Resolute Bay, CADI echo statistics further supports the modeling results. This is not surprising because the steeper the density gradients or the patch-to-background ratios, the more ... See full document
10
A comparison of the equatorial spread F derived by the International Reference Ionosphere and the S4 index observed by FORMOSAT 3/COSMIC during the solar minimum period of 2007–2009
... National Space Organization, Hsin-Chu City 30078, Taiwan 4 Plasma and Space Science Center, No. 1, University Road, Tainan City 701, Taiwan (Received June 3, 2010; Revised September 3, 2011; Accepted October 25, 2011; ... See full document
5
On the seasonal variations of the threshold height for the occurrence of equatorial spread F during solar minimum and maximum years
... In the whole study, one of the important factors with re- gard to the RT instability, namely the seed perturbations, has been assumed to be omnipresent, which need not necessar- ily be true. It is generally believed that ... See full document
7
Empirical model of equatorial electrojet based on ground based magnetometer data during solar minimum in fall
... obtained in this study is more precise, as the EEJ was successfully calculated after the Sq effect and uncertainty due to latitudinal variation of observation data have been removed. A better comparison can be made with ... See full document
8
Keywords: Solar minimum, Spread-F, Postmidnight plasma irregularities, equatorial
... predominant on the F-layer vertical drift and the occurrence of the plasma irregularities, 419. while it is not important during solar minimum[r] ... See full document
46
Occurrence of blanketing E slayer (E(sb) over the equatorial region during the peculiar minimum of solar cycle 24
... the equatorial observation station, ...activity during 2007 and 2009 can be assessed from Mie observations to get an ap- proximation of meteor influx during this ...occurrence during summer in ... See full document
10
Quiet-condition variations in the scale height at F2-layer peak at Jicamarca during solar minimum and maximum
... foF2 during April 1999–March ...Hm during solar minimum and the corresponding median values during solar ...for solar maximum is obviously larger than that observed ... See full document
10
On the Dependence of F2 Layer Critical Frequency on F10.7 Solar Flux at an Equatorial Station
... was observed for larger part of the day and poor correlation (r < ...was observed for few hours of the nighttime except during December solstice (December and ...is observed during ... See full document
7
Intrinsic parameters of periodic waves observed in the OI6300 airglow layer over the Brazilian equatorial region
... W) during almost one solar ...the observed periods ranged from 10 to 35 ...was during the winter months, and this occurrence had a direct correlation with the solar ... See full document
9
Comparison of equatorial GPS-TEC observations over an African station and an American station during the minimum and ascending phases of solar cycle 24
... Pucallpa, during 2009, the IRI-2007-derived TEC and GPS-TEC matched reasonably well for March and Septem- ber equinoxes, and June ...values during the Decem- ber solstice. Discrepancies were generally ... See full document
12
Ion-neutral Coupling During Deep Solar Minimum
... made during solar maximum, while all the other observations in our paper are for solar minimum ...in observed plasma density exceeds the model prediction, but it indicates that these ... See full document
9
Oxygen abundance in coronal streamers during solar minimum
... the equatorial streamer belt of the solar corona during the recent period of activity ...performed during 1996 with the Ultraviolet Coronagraph Spectrometer (SOHO) in the ultra- violet ...the ... See full document
11
Solar cycle dependent characteristics of the equatorial blanketing E layers and associated irregularities
... magnetic equatorial location of Trivandrum during the summer solstitial months due to the solar activ- ity ...observations during this period show that the ionogram traces corresponding to E ... See full document
17
Comparison of Ionosphere at Middle Latitude Zone during Solar Maximum and Solar Minimum
... ionosphere layer since Total Electron Contents (TEC) flowing throughout ionosphere layer interrupt these ...the characteristics of ionosphere as the temporal analysis during the equinox period ... See full document
7
Climatology of intermediate descending layers (or 150 km echoes) over the equatorial and low latitude regions of Brazil during the deep solar minimum of 2009
... day. During the interval in which the IL was present, a downward phase propagation in residual values of 1MHz can be observed, as denoted by the dashed black lines mainly from 17:00 and 18:30 UT, thus ... See full document
20
Effect of Magnetic activity on scintillation at Equatorial Region during Low Solar Activity
... and during the post-midnight period when the electric field is westward and the F-layer height is falling, the ring current may create a short-lived eastward electric ...scintillations during ... See full document
9
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