Top PDF Use of radio occultation to probe the high latitude ionosphere
Use of radio occultation to probe the high latitude ionosphere
... phase of the ...lead to a geomagnetic storm in the classic sense (Dst decrease), but did cause significant auroral currents as indicated by ...that the fluctuating interplanetary ...
29
An evaluation of COSMIC radio occultation data in the lower atmosphere over the Southern Ocean
... demonstrated the usefulness of using global positioning system (GPS) radio occultation (RO) data to study the ABL ...timating the ABL height from the refractivity ...
11
First assimilations of COSMIC radio occultation data into the Electron Density Assimilative Model (EDAM)
... measurements of slant total electron content (TEC) can be assimilated into ionospheric models to produce 3-D representations of ionospheric electron den- ...sity. The Electron Density ...
7
Generation of a Bending Angle Radio Occultation Climatology (BAROCLIM) and its use in radio occultation retrievals
... combined the mean bend- ing angles with a priori information to generate a model that is useful also above the ...reach high enough in the atmosphere ...
39
Radio occultation bending angle anomalies during tropical cyclones
... Meteorology, Ionosphere and Climate (COSMIC) six-satellite constellation (Anthes et ...and the Gravity Recovery And Climate Experiment (GRACE) twin satel- lites (Beyerle et ...number of measurements ...
25
A study of Traveling Ionospheric Disturbances and Atmospheric Gravity Waves using EISCAT Svalbard Radar IPY-data
... study of Traveling Iono- spheric Disturbances (TIDs) as observed by the EISCAT Svalbard Radar (ESR) during the continuous IPY-run (March 2007–February 2008) with field-aligned ...activity. The ...
16
Excitation of twin-vortex flow in the nightside high-latitude ionosphere during an isolated substorm
... study. The data employed were from radars funded by the re- search funding agencies of Canada, France, the UK, and ...like to thank Dr Mike Ruohoniemi of the Johns Hopkins ...
25
The impact of large scale ionospheric structure on radio occultation retrievals
... study the impact of large-scale ionospheric structure on the accuracy of radio occultation (RO) ...We use a climatological model of the ionosphere as ...
14
Comparison of ionospheric radio occultation CHAMP data with IRI 2001
... study the latitudinal and local time dependence of the difference, the data set has been divided into three parts rep- resenting high (|φ|>60 ◦ ), medium (30 ◦ <|φ|<60 ◦ ) and ...
5
Imaging of structures in the high-latitude ionosphere: model comparisons
... at high latitudes. The method replicates well the horizontal structures in the ionisation, though the lack of horizontal ray paths in satellite-to-ground geometry results ...
5
Empirical analysis and modeling of errors of atmospheric profiles from GPS radio occultation
... Knowledge of atmospheric excess phase profiles as a function of time allows the calculation of Doppler ...Involvement of precise orbit information yields bending an- gle profiles as a ...
16
Application of the locality principle to radio occultation studies of the Earth's atmosphere and ionosphere
... at the al- titudes from 0 to 20 000 km radio fields that can be used for the development of the RO method as a new tool for global monitoring of the ...
15
The Impact of the Expansion of the Bolsa Familia Program on the Time Allocation of Youths And Their Parents Lia Chitolina Miguel Nathan Foguel Naercio Menezes-Filho
... evaluates the impact of the 2007 expansion of the Bolsa Família program to families with youths aged 16 to 17 years (entitled Benefício Variável Jovem) on the time ...
39
50 MHz continuous wave interferometer observations of the unstable mid-latitude E-region ionosphere
... with the positive and negative Doppler bands coming from zonally adjacent echoing regions separated by a few ...across the radar beam with a speed near 50 m/s which means they associate with one and ...
12
Structural stability of the high-aluminium zinc alloys modified with Ti addition
... microstructure of the binary ZnAl26 alloy poured into a sand mould is shown in ...shows the microstructure obtained in the same conditions, but after addition of the ...into ...
6
Exploring atmospheric blocking with GPS radio occultation observations
... Steiner, A. K., Hunt, D., Ho, S.-P., Kirchengast, G., Mannucci, A. J., Scherllin-Pirscher, B., Gleis- ner, H., von Engeln, A., Schmidt, T., Ao, C., Leroy, S. S., Kursinski, E. R., Foelsche, U., Gor- bunov, M., Heise, S., ...
24
Calculating the uncertainty associated to the forecast of species dispersals: Stochastic Flow Connectivity
... 2013) to forecast biotic flows over real landscapes, alternative to circuit theory (McRae, 2006; McRae and Beier, 2007; McRae et ...due to the fact that it resembles in some way the ...
9
<i>Letter to the Editor</i><br>Abel transform inversion of radio occultation measurements made with a receiver inside the Earth’s atmosphere
... ǫ, the angle between positive and negative rays at the receiver, is around 7 degrees for paths that graze the ...translates to a horizontal separation between the paths of ∼800 ...
4
Assessment of COSMIC radio occultation retrieval product using global radiosonde data
... validated the first year of COSMIC temperature profiles using radiosonde data and operational stratospheric analysis ...that the results of COSMIC show a good agreement with radiosonde, ...
11
The application of optical measurements for the determination of accuracy of gear wheels casts manufactured in the RT/RP process
... taking the measurements, an anti-reflection coating was applied on the tested gear ...wheel. The thickness of the coating ranged from 0,8 µm do 1,2 ...µm. The measurements were ...
4