Search Results - "ARRAS, C"

Estimation of ionospheric sporadic E intensities from GPS radio occultation measurements by Arras, C., Wickert, J.

“…The radio occultation experiment aboard the FORMOSAT-3/COSMIC satellites enables the observation of phenomena in Earth's ionosphere on a global scale. Numerous…”
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Examining the Wind Shear Theory of Sporadic E With ICON/MIGHTI Winds and COSMIC‐2 Radio 2 Occultation Data by Yamazaki, Y., Arras, C., Andoh, S., Miyoshi, Y., Shinagawa, H., Harding, B. J., Englert, C. R., Immel, T. J., Sobhkhiz‐Miandehi, S., Stolle, C.

“…The wind shear theory is widely accepted as an explanation for the formation of a sporadic E (Es) layer, but the direct comparison of Es with the local wind…”
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A global climatology of ionospheric irregularities derived from GPS radio occultation by Arras, C., Wickert, J., Beyerle, G., Heise, S., Schmidt, T., Jacobi, C.

“…GPS radio occultation measurements from CHAMP, GRACE‐A and FORMOSAT‐3/COSMIC are used to derive global information on small‐scale ionospheric irregularities…”
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The Influence of Disturbance Dynamo Electric Field in the Formation of Strong Sporadic E Layers Over Boa Vista, a Low‐Latitude Station in the American Sector by Resende, L. C. A., Shi, J. K., Denardini, C. M., Batista, I. S., Nogueira, P. A. B., Arras, C., Andrioli, V. F., Moro, J., Da Silva, L. A., Carrasco, A. J., Barbosa, P. F., Wang, C., Liu, Z.

“…This study analyzes strong sporadic E layer (Es) formation in Boa Vista (BV, 2.8°N, 60.7°W, dip: 18°), a low‐latitude region in the Brazilian sector, which…”
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Semidiurnal tidal signature in sporadic E occurrence rates derived from GPS radio occultation measurements at higher midlatitudes by ARRAS, C, JACOBI, C, WICKERT, J

“…GPS (Global Positioning System) Radio occultation (RO) measurements from CHAMP, GRACE and FORMOSAT-3/COSMIC satellites at Northern Hemisphere midlatitides…”
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A comparison of FORMOSAT-3/COSMIC radio occultation and ionosonde measurements in sporadic E detection over mid- and low-latitude regions by Sobhkhiz-Miandehi, S., Yamazaki, Y., Arras, C., Themens, D.

“…The investigation of sporadic E or Es layers typically relies on ground-based or satellite data. This study compares the Es layers recorded in ionograms with…”
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Planetary Wave Signature in Low Latitude Sporadic E Layer Obtained From Multi‐Mission Radio Occultation Observations by Sobhkhiz‐Miandehi, S., Yamazaki, Y., Arras, C., Miyoshi, Y., Shinagawa, H., Jadhav, A. P.

“…The Sporadic E layer or Es is an ionospheric phenomenon characterized by enhancements in electron density within 90–120 km above the Earth's surface. Based on…”
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A strong correlation – influence of medium osmolarity on “chondrocyte health” by Mang, T, Arras, C, Lindemann, S, Gigout, A

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Why can the auroral-type sporadic E layer be detected over the South America Magnetic Anomaly (SAMA) region? An investigation of a case study under the influence of the high-speed solar wind stream by Da Silva, L. A., Shi, J., Vieira, L. E., Agapitov, O. V., Resende, L. C. A., Alves, L. R., Sibeck, D., Deggeroni, V., Marchezi, J. P., Chen, S., Moro, J., Arras, C., Wang, C., Andrioli, V. F., Li, H., Liu, Z.

“…The low-electron flux variability (increase/decrease) in the Earth’s radiation belts could cause low-energy Electron Precipitation (EP) to the atmosphere over…”
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The role of the inner radiation belt dynamic in the generation of auroral-type sporadic E-layers over south American magnetic anomaly by Da Silva, L. A., Shi, J, Resende, L. C. A., Agapitov, O. V., Alves, L. R., Batista, I. S., Arras, C., Vieira, L. E., Deggeroni, V., Marchezi, J. P., Wang, C., Moro, J., Inostroza, A., Li, H., Medeiros, C., Cardoso, F. R., Jauer, P., Alves, M. V., Chen, S. S., Liu, Z., Denardini, C. M., Gonzalez, W.

“…The dynamics of the electron population in the Earth’s radiation belts affect the upper atmosphere’s ionization level through the low-energy Electron…”
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Terdiurnal signatures in sporadic E layers at midlatitudes by Fytterer, T, Arras, C, Jacobi, C

“…Global Positioning System radio occultation measurements by the FORMOsa SATellite mission-3/Constellation Observing System for Meteorology, Ionosphere and…”
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Enhanced sporadic E occurrence rates during the Geminid meteor showers 2006–2010 by Jacobi, C, Arras, C, Wickert, J

“…Northern Hemisphere midlatitude sporadic E (Es) layer occurrence rates derived from FORMOSAT-3/COSMIC GPS radio occultation (RO) measurements during the…”
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Comparison of mesopause region meteor radar winds, medium frequency radar winds and low frequency drifts over Germany by Jacobi, Ch, Arras, C., Kürschner, D., Singer, W., Hoffmann, P., Keuer, D.

“…During 2004 and 2005 measurements of mesospheric/lower thermospheric (80–100 km) winds have been carried out in Germany using three different ground-based…”
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Sporadic E signatures revealed from multi-satellite radio occultation measurements by Arras, C, Jacobi, C, Wickert, J, Heise, S, Schmidt, T

“…Radio occultation measurements performed by the satellites CHAMP, GRACE and FORMOSAT-3/COSMIC provide a huge data set for atmospheric and ionospheric…”
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Comment on: Mannucci, P. M. Evolution of the European guidelines for the clinical development of factor VIII products by Hilger, A., Arras-Reiter, C., Keller-Stanislawski, B., Ljungberg, B., Male, C., Mentzer, D., Seitz, R., Silvester, G.

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Occurrence climatology of equatorial plasma bubbles derived using FormoSat-3 ∕ COSMIC GPS radio occultation data by Kepkar, Ankur, Arras, Christina, Wickert, Jens, Schuh, Harald, Alizadeh, Mahdi, Tsai, Lung-Chih

“…The Global Positioning System – Radio Occultation (GPS-RO) observations from FormoSat-3 ∕ COSMIC are used to comprehend the global distribution of equatorial…”
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Examining the Wind Shear Theory of Sporadic E With ICON/MIGHTI Winds and COSMIC‐2 Radio Occultation Data by Yamazaki, Y., Arras, C., Andoh, S., Miyoshi, Y., Shinagawa, H., Harding, B. J., Englert, C. R., Immel, T. J., Sobhkhiz‐Miandehi, S., Stolle, C.

“…Abstract The wind shear theory is widely accepted as an explanation for the formation of a sporadic E (Es) layer, but the direct comparison of Es with the…”
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Nocturnal Sporadic Cusp‐Type Layer (Es c ) Resulting From Anomalous Excess Ionization Over the SAMA Region During the Extreme Magnetic Storm on 11 May 2024 by Resende, L. C. A., Zhu, Y., Santos, A. M., Chagas, R. A. J., Denardini, C. M., Arras, C., Da Silva, L. A., Nogueira, P. A. B., Chen, S. S., Andrioli, V. F., Moro, J., Costa, J. R., Li, H., Wang, C., Liu, Z.

“…Abstract Digisonde data showed a peculiar behavior in the nighttime lower ionosphere over Cachoeira Paulista (CXP, 22.7°S, 45°W, dip ∼35°), a low‐latitude…”
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Tidal wind shear observed by meteor radar and comparison with sporadic E occurrence rates based on GPS radio occultation observations by Jacobi, Christoph, Arras, Christina

“…We analyze tidal (diurnal, semidiurnal, terdiurnal, quarterdiurnal) phases and related wind shear in the mesosphere/lower thermosphere as observed by meteor…”
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Quarterdiurnal signature in sporadic E occurrence rates and comparison with neutral wind shear by Jacobi, Christoph, Arras, Christina, Geißler, Christoph, Lilienthal, Friederike

“…The GPS radio occultation (RO) technique is used to study sporadic E (Es) layer plasma irregularities of the Earth's ionosphere on a global scale using GPS…”
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