[PDF] Top 20 The temperature of the ionosphere in the auroral zone
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The temperature of the ionosphere in the auroral zone
... For large increases of ionization, however, the optimum opaqueness level, being a function of N and 1, is depressed more than the isopycs* since the collision frequency .9 increases expo[r] ... See full document
44
Effect of seismic activities on ion temperature in the F2 region of the ionosphere
... the ionosphere due to phenomena occurring below it is given by Kazimirovsky et ...ion temperature have been studied using the data recorded by RPA payload aboard the Indian SROSS-C2 satellite over Indian ... See full document
7
The Australian Ionosphere
... the auroral zone has undergone a major equatorward expansion, and a subsequent massive increase in zenithal scintillation from Perth south, the value at Mileura is relatively ...an auroral event to ... See full document
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Incoherent radar spectra in the auroral ionosphere in the presence of a large electric field: The effect of O+ O+ Coulomb collisions
... the auroral ionosphere, they obtained altitude profiles for O + ion ve- locity distributions, O + parallel and perpendicular tempera- tures, O + -O + and O + -O collision frequencies, and O + par- allel and ... See full document
6
Energy deposition in the lower auroral ionosphere through energetic particle precipitation
... auroral zone. There are two dominant precipitation regimes in the auroral zone which lead to enhanced high frequency radio absorption; high energy electrons (> keV) from closed field lines, ... See full document
324
Estimates of the field aligned current density in current carrying filaments using auroral zone ground based observations
... It should be noted that, in principle, Pi1 bursts may be caused by the excitation of an Ionospheric Alfv´en Resonator (IAR) with an impulse of FAC (Lysak, 1997). Preliminary theoretical estimates (Pilipenko et al., 1999) ... See full document
8
An example of resonances, coherent structures and topological phase transitions – the origin of the low frequency broadband spectrum in the auroral zone
... When filamentary current structures of the same polarity migrate toward each other, strong current sheets are gener- ated. In the ionosphere, these could be the origins of the observed small auroral arcs. ... See full document
5
Statistical relationships between cosmic radio noise absorption and ionospheric electrical conductances in the auroral zone
... the assumptions made in the radar analysis and calculation of the conductances. For example, if the model ion com- position does not reflect reality, the temperatures obtained from the radar analysis will be incorrect, ... See full document
10
Beam-plasma interactions and Langmuir turbulence in the auroral ionosphere
... electron temperature, and over 15 orders of magnitude in electric field amplitude) [Robinson, ...the ionosphere can be provided by energetic electrons streaming into the ionosphere from the ... See full document
201
Chapter 4. The Ionosphere
... enough energy to ionize NO, which is found in small amounts (see figure 3.11 Check)). This production mechanism dominates from about 70-95km, but the contribution from solar X-rays can be important as well. Below about ... See full document
10
Modifications of the ionosphere prior to large earthquakes: report from the Ionosphere Precursor Study Group
... the ionosphere modification from ground- based data is almost impossible, even locally, because of the possibility that no EQ signature is seen over the epi- ...the ionosphere to identify the pre- cursor ... See full document
10
Rainfall and Temperature Trend Analysis at Indibir Station, Gurage Zone, Ethiopia
... maximum temperature varied between ...maximum temperature over the study area was ...maximum temperature explained by the year was 22% (Table ...maximum temperature showed an increasing trend ... See full document
11
An Identification of Seasonal Models for Air Temperature in the Capital Zone Damascus in Syria
... was modified and re-organized at an earlier stage of this work. The modified version of CLIMA can calculate optional period during the year. In the CLIMA computer program the calculation of non-stationary heat transfer ... See full document
11
Observations of Continuous Quasiperiodic Auroral Pulsations on Saturn in High Time Resolution UV Auroral Imagery
... the auroral flashes identified in this ...hemispheric auroral flashes depending on the northern PPO phase Φ N and (f) the location of these intensifications in the corresponding PPO-fixed magnetic ... See full document
22
ROOT ZONE TEMPERATURE INFLUENCES NUTRIENT ACCUMULATION AND USE IN MAIZE
... soil temperature (Taize & Zeiger, 1991; Larcher, 1995), and hence the capacity of plants to construct root tissue as well as root tissue morphology and function are also affected (Pregitzer et ... See full document
6
Mapping auroral activity with Twitter
... strong auroral displays are ...for auroral strength and not a true measure of it. Auroral displays, especially those at higher latitudes, may occur during ... See full document
9
R2500. Multi-zone temperature controller zone 2-point controller 8 zone 3-point controller DESCRIPTION AND OPERATING MANUAL
... Re-calibration not required for a line resistance of up to 50 Ohm. Calibration accuracy: … < 0,25 % Linear error: … < 0,2 % Influence of the ambient temperature: … < 0,01 % / K External contacts Designed ... See full document
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Transmission of the electric fields to the low latitude ionosphere in the magnetosphere-ionosphere current circuit
... latitude ionosphere in a current circuit from a dynamo in the magneto- sphere to the equatorial ionosphere via the polar ...latitude ionosphere is under strong influence of the overshielding as well ... See full document
11
Dawn Auroral Breakup at Saturn Initiated by Auroral Arcs:UVIS/Cassini Beginning of Grand Finale Phase
... thus auroral emis- sion in the polar region adapted from Birn et ...the auroral region, (a) the dusk/midnight arc is the auroral counterpart of the flow burst moving towards the planet, the red line ... See full document
24
Trend analysis of temperature and rainfall in south gonder zone, anhara ethiopia.
... of temperature and rainfall in the case of south Gonder ...the temperature and rainfall variation in south Gonder zone over three stations at Addis Zemen, Nefas Mewcha and Mekane ...for ... See full document
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