Publikationen von T. Hagfors

Rietveld, M. T.; Isham, B.; Grydeland, T.; La Hoz, C.; Leyser, T. B.; Honary, F.; Ueda, H.; Kosch, M.; Hagfors, T.: HF-pump-induced parametric instabilities in the auroral E-region. Advances in Space Research 29 (9), S. 1363 - 1368 (2002)

Borisov, N. D.; Hagfors, T.: Excitation of heater-enhanced plasma and ion lines near the reflection level of a hight-frequency pump wave. Journal of Plasma Physics 66 (1 & 2), S. 71 - 89 (2001)

Hagfors, T.: Time-varying propagation circuits, description and applications. Journal of Atmospheric and Solar-Terrestrial Physics 63, S. 215 - 220 (2001)

Kosch, M. J.; Cierpka, K.; Rietveld, M. T.; Hagfors, T.; Schlegel, K.: High-latitude ground-based observations of the thermospheric ion-drag time constant. Geophysical Research Letters 28 (7), S. 1395 - 1398 (2001)

Kosch, M. J.; Honary, F.; del Pozo, C. F.; Marple, S. R.; Hagfors, T.: High-resolution maps of the characteristic energy of precipitating auroral particles. Journal Geophysical Research 106 (A12), S. 28925 - 28937 (2001)

Løvhaug, U. P.; Hagfors, T.; van Eyken, A. P.: Search for light ion outflow by incoherent scatter radar. Radio Science 36 (6), S. 1509 - 1521 (2001)

Mishin, E. V.; Hagfors, T.; Isham, B.: A generation mechanism of the topside enhanced incoherent backscatter during high frequency modification experiments in Tromsø. Geophysical Research Letters 28 (3), S. 479 - 482 (2001)

Cierpka, K.; Kosch, M. J.; Nozawa, S.; Schlegel, K.; Hagfors, T.: Combined EISCAT and Fabry-Perot interferometer measurements of ionospheric-thermospheric coupling. Phys. Chem. Earth (B) 25, S. 563 - 566 (2000)

Cierpka, K.; Kosch, M. J.; Rietveld, M. T.; Schlegel, K.; Hagfors, T.: (B) - Direct calculation of F-region Joule heating from simultaneous ion and neutral measurements at high latitudes. Phys. Chem. Earth (B) 25 (5-6), S. 439 - 442 (2000)

Cierpka, K.; Kosch, M. J.; Rietveld, M.; Schlegel, K.; Hagfors, T.: Ion-neutral coupling in the high-latitude F-layer from incoherent scatter and Fabry-Perot interferometer measurements. Annales Geophysicae 18 (9), S. 1145 - 1153 (2000)

Kosch, M. J.; Ishii, M.; Kohsiek, A.; Rees, D.; Schlegel, K.; Hagfors, T.; Cierpka, K.: A comparison of vertical thermospheric winds from Fabry-Perot interferometer measurements over a 50 km baseline. Advances in Space Research 26, S. 985 - 988 (2000)

Kosch, M. J.; Ishii, M.; Nozawa, S.; Rees, D.; Cierpka, K.; Kohsiek, A.; Schlegel, K.; Fujii, R.; Hagfors, T.; Fuller-Rowell, T. J. et al.; Lathuillere, C.: A comparison of thermospheric winds and temperatures from Fabry-Perot interferometer and EISCAT radar measurements with models. Advances in Space Research 26, S. 979 - 984 (2000)

Kosch, M.; Rietveld, M. T.; Hagfors, T.; Leyser, T. B.: High-latitude HF-induced airglow displaced equatorwards of the pump beam. Geophysical Research Letters 27 (17), S. 2817 - 2820 (2000)

Kosch, M.; Rietveld, M. T.; Steen, Å.; Hagfors, T.: HF induced airglow: double patches! Phys. Chem. Earth (B) 25 (5-6), S. 475 - 481 (2000)

Mishin, E. V.; Carlson, H. C.; Hagfors, T.: On the electron distribution function in the F region and airglow enhancements during HF modification experiments. Geophysical Research Letters 27 (18), S. 2857 - 2860 (2000)

Rietveld, M. T.; Isham, B.; Kohl, H.; La Hoz, C.; Hagfors, T.: Measurements of HF-enhanced plasma and ion lines at EISCAT with high altitude resolution. Journal Geophysical Research 105 (A4), S. 7429 - 7439 (2000)

Barbin, Y.; Kofman, W.; Nielsen, E.; Hagfors, T.; Seu, R.; Picardi, G.; Svedhem, H.: The CONSERT instrument for the ROSETTA mission. Advances in Space Research 24, S. 1115 - 1126 (1999)

Gurevich, A.; Carlson, H.; Kelley, M.; Hagfors, T.; Karashtin, A.; Zybin, K.: Nonlinear structuring of the ionosphere modified by powerful radio waves at low latitudes. Physics Letters A 251, S. 311 - 321 (1999)

Herique, A.; Kofman, W.; Hagfors, T.; Caudal, G.; Ayanides, J.-P.: A characterization of a comet nucleus interior: inversion of simulated radio frequency data. Planetary and Space Science 47, S. 885 - 904 (1999)

Isham, B.; Hagfors, T.; Mishin, E.; Rietveld, M. T.; La Hoz, C.; Kofman, W.; Leyser, T.: A search for the location of the HF excitation of enhanced ion acoustic and Langmuir waves with EISCAT and the Tromsø heater. Radiophys. Quantum Electron. 42 (7), S. 607 - 618 (1999)