[PDF] Top 20 An interpretation of the fo F2 and hm F2 long-term trends in the framework of the geomagnetic control concept
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An interpretation of the fo F2 and hm F2 long-term trends in the framework of the geomagnetic control concept
... hmF2 long-term trends are interpreted in the scope of the geomagnetic control concept based on the contemporary F2-layer storm ...The F2-layer parameter ... See full document
16
Geomagnetic control of the <i>fo</i>F2 long-term trends
... decreasing geomagnetic activity are revealed for the ®rst ...foF2 trends in the post-midnight-early-morning LT sector and strong neg- ative trends during daytime hours are found on the sub-auroral ... See full document
14
The method of determination of the long-term trends in the F2 region independent of geomagnetic activity
... station geomagnetic latitude 8, decreasing with a decrease in ...the concept that the trends observed are related to the changes in geomagnetic activity during the recent ...the ... See full document
11
Long-term hm F2 trends in the Eurasian longitudinal sector from the ground-based ionosonde observations
... the geomagnetic control con- cept by Mikhailov and Marin (2000), the 1996 belongs to the period of decreasing geomagnetic activity (1990-91 is a turning point), therefore one should expect negative ... See full document
12
Long-term trends of fo E and geomagnetic activity variations
... foE trends and geomagnetic activity long-term ...foF2 trends, the periods of increas- ing geomagnetic activity correspond to negative foE trends, while these trends ... See full document
10
Ionospheric F1 layer long-term trends and the geomagnetic control concept
... the geomagnetic con- trol of the ionospheric trends in the whole ...the F2-region, this geomagnetic control is provided via neutral composition and temperature ...very ... See full document
11
Latitudinal variation of fo F2 hysteresis of solar cycles 20, 21 and 22 and its application to the analysis of long-term trends
... a geomagnetic control for each of the solar cycles here analyzed (20 to 22), and also during cy- cle 19 (shown by Rao and Rao, ...1969). Geomagnetic distur- bances are accompanied by large changes in ... See full document
5
ANGEO - Geomagnetic control of the foF2 long-term trends
... decreasing geomagnetic activity are revealed for the ®rst ...foF2 trends in the post-midnight-early-morning LT sector and strong neg- ative trends during daytime hours are found on the sub-auroral ... See full document
13
F2-layer parameters long-term trends at the Argentine Islands and Port Stanley stations
... Negative trends of the critical frequency foF2 are found for both ...the trends are close to those at the corresponding (close geomagnetic latitude) stations of the northern hemisphere, as considered ... See full document
10
F2-layer parameters long-term trends at the Argentine Islands and Port Stanley stations
... Negative trends of the critical frequency foF2 are found for both ...the trends are close to those at the corresponding (close geomagnetic latitude) stations of the northern hemisphere, as considered ... See full document
9
Ionospheric long-term trends: can the geomagnetic control and the greenhouse hypotheses be reconciled?
... ionospheric F2-layer parameter long-term trends are considered from the geomagnetic control concept and the greenhouse hypothesis points of ...that long-term ... See full document
10
Ionospheric long-term trends: can the geomagnetic control and the greenhouse hypotheses be reconciled?
... ionospheric F2-layer parameter long-term trends are considered from the geomagnetic control concept and the greenhouse hypothesis points of ...that long-term ... See full document
9
Long-term trends of fo F2 independent of geomagnetic activity
... relative trends (without getting rid of the geo- magnetic activity effects) of the same type as considered by Danilov and Mikhailov (1999, 2001) and Mikhailov and Marin (2000, 2001), calculated using the R12 and ... See full document
10
Long-term trends in fo F2: their estimating and origin
... and geomagnetic activity (if we omit data quality ...by long-term trend for the dataset analyzed in this ...and geomagnetic activities is ...for long-term variabil- ity the ... See full document
6
A revised approach to the fo F2 long-term trends analysis
... of geomagnetic activity effects from the foF2 ...the geomagnetic ac- tivity effects, but only contaminates (due to low correlation with monthly foF2) the analyzed material without chang- ing, in principle, ... See full document
13
Long-term trends in the relation between daytime and nighttime values of fo F2
... the F2-layer maximum along the magnetic field lines down to lower altitudes into the region of higher recombi- nation and so leads to a decrease in the nighttime values of ... See full document
8
LONG TERM TRENDS IN THE IONOSPHERIC fo F2 IN THE INDIAN ZONE LOW LATITUDE IONOSPHERE
... or trends in the geophysical ...the long term trend in the Ionospheric foF2 over the Indian zone ionosphere has been studied using a dataset of foF2 values over a period of twenty six ... See full document
6
Ionospheric fo F2 anomalies during some intense geomagnetic storms
... the F2 layer uplifting due to vertical drift, plasma fluxes from the plasmasphere, and downwelling of the gas as a result of the storm-induced thermospheric cir- culation (Danilov and Belik, 1992; Pr¨olss, ...ing ... See full document
13
Ionospheric <i>fo</i>F2 anomalies during some intense geomagnetic storms
... the F2 layer uplifting due to vertical drift, plasma fluxes from the plasmasphere, and downwelling of the gas as a result of the storm-induced thermospheric cir- culation (Danilov and Belik, 1992; Pr¨olss, ...ing ... See full document
14
A revised approach to the ?<i>o</i>F2 long-term trends analysis
... of geomagnetic activity effects from the foF2 ...the geomagnetic ac- tivity effects, but only contaminates (due to low correlation with monthly foF2) the analyzed material without chang- ing, in principle, ... See full document
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