Search Results - "Tyler, G.L."

The martian daytime convective boundary layer: Results from radio occultation measurements and a mesoscale model by Hinson, D.P., Tyler, D., Lewis, S.R., Pätzold, M., Tellmann, S., Häusler, B., Tyler, G.L.

“…We investigate the behavior of the Martian daytime convective boundary layer (CBL) through a combination of data analysis and modeling. This study relies on…”
Get full text

Mars Express 10 years at Mars: Observations by the Mars Express Radio Science Experiment (MaRS) by Pätzold, M., Häusler, B., Tyler, G.L., Andert, T., Asmar, S.W., Bird, M.K., Dehant, V., Hinson, D.P., Rosenblatt, P., Simpson, R.A., Tellmann, S., Withers, P., Beuthe, M., Efimov, A.I., Hahn, M., Kahan, D., Le Maistre, S., Oschlisniok, J., Peter, K., Remus, S.

Get full text

Phobos mass determination from the very close flyby of Mars Express in 2010 by Pätzold, M., Andert, T.P., Tyler, G.L., Asmar, S.W., Häusler, B., Tellmann, S.

“…•Closest spacecraft flby at the Mars moon Phobos.•Mass, bulk density determined.•Gravity field could not be resolved.•Phobos interior modeled.•Phobos probably…”
Get full text

Microwave absorptivity by sulfuric acid in the Venus atmosphere: First results from the Venus Express Radio Science experiment VeRa by Oschlisniok, J., Häusler, B., Pätzold, M., Tyler, G.L., Bird, M.K., Tellmann, S., Remus, S., Andert, T.

“…► 3.6cm Radio absorption in the Venus atmosphere between 2006 and 2011 is studied. ► A distinct latitudinal variation in the southern hemisphere is observed. ►…”
Get full text

The depth of the convective boundary layer on Mars by Hinson, D.P., Pätzold, M., Tellmann, S., Häusler, B., Tyler, G.L.

“…We are using observations obtained with Mars Express to explore the structure and dynamics of the martian lower atmosphere. We consider a series of radio…”
Get full text

Radio science investigations by VeRa onboard the Venus Express spacecraft by Häusler, B., Pätzold, M., Tyler, G.L., Simpson, R.A., Bird, M.K., Dehant, V., Barriot, J.-P., Eidel, W., Mattei, R., Remus, S., Selle, J., Tellmann, S., Imamura, T.

“…The Venus Express Radio Science Experiment (VeRa) uses radio signals at wavelengths of 3.6 and 13 cm (“X”- and “S”-band, respectively) to investigate the Venus…”
Get full text

Radio occultation measurements of Pluto’s neutral atmosphere with New Horizons by Hinson, D.P., Linscott, I.R., Young, L.A., Tyler, G.L., Stern, S.A., Beyer, R.A., Bird, M.K., Ennico, K., Gladstone, G.R., Olkin, C.B., Pätzold, M., Schenk, P.M., Strobel, D.F., Summers, M.E., Weaver, H.A., Woods, W.W.

“…•New Horizons explored Pluto’s atmosphere with a radio occultation.•Atmospheric profiles extend from the surface to about 100  km altitude.•The surface…”
Get full text

An upper limit on Pluto’s ionosphere from radio occultation measurements with New Horizons by Hinson, D.P., Linscott, I.R., Strobel, D.F., Tyler, G.L., Bird, M.K., Pätzold, M., Summers, M.E., Stern, S.A., Ennico, K., Gladstone, G.R., Olkin, C.B., Weaver, H.A., Woods, W.W., Young, L.A.

“…•New Horizons searched for Plutos ionosphere with a radio occultation.•No ionosphere was detected.•The peak electron density at the terminator is less than…”
Get full text

High-resolution radiometry of Pluto at 4.2 cm with New Horizons by Linscott, I.R., Bird, M.K., Hinson, D.P., Tyler, G.L., Stern, S.A., Vincent, M.A., DeBoy, C.C., Young, L.A., Beyer, R.A., Ennico, K., Moore, J.M., Gladstone, G.R., Olkin, C.B., Pätzold, M., Schenk, P.M., Strobel, D.F., Summers, M.E., Weaver, H.A., Grundy, W.M.

“…The radio thermal emission from Pluto was observed from the New Horizons spacecraft at a wavelength of 4.2 cm along two scans across the planetary disk shortly…”
Get full text

Small-scale temperature fluctuations seen by the VeRa Radio Science Experiment on Venus Express by Tellmann, S., Häusler, B., Hinson, D.P., Tyler, G.L., Andert, T.P., Bird, M.K., Imamura, T., Pätzold, M., Remus, S.

“…► Vertical small scale temperature perturbations in the Venus atmosphere are studied. ► Gravity wave activity is significantly enhanced above the tropopause. ►…”
Get full text

Radio thermal emission from Pluto and Charon during the New Horizons encounter by Bird, M.K., Linscott, I.R., Tyler, G.L., Hinson, D.P., Pätzold, M., Summers, M.E., Strobel, D.F., Stern, S.A., Weaver, H.A., Olkin, C.B., Young, L.A., Ennico, K., Moore, J.M., Gladstone, G.R., Grundy, W.M., DeBoy, C.C., Vincent, M.

“…One component of the REX instrument on NASA's New Horizons spacecraft was an investigation of the radio continuum radiation from Pluto and Charon during the…”
Get full text

Sporadic Third Layer in the Ionosphere of Mars by Pätzold, M, Tellmann, S, Häusler, B, Hinson, D, Schaa, R, Tyler, G. L

“…The daytime martian ionosphere has been observed as a two-layer structure with electron densities that peak at altitudes between about 110 and 130 kilometers…”
Get full text

The structure of Venus' middle atmosphere and ionosphere by Pätzold, M, Asmar, S. W, Tellmann, S, Dehant, V, Simpson, R. A, Mattei, R, Häusler, B, Tyler, G. L, Bird, M. K, Eidel, W, Imamura, T

“…The atmosphere and ionosphere of Venus have been studied in the past by spacecraft with remote sensing or in situ techniques. These early missions, however,…”
Get full text

Radio occultation measurements and MGCM simulations of Kelvin waves on Mars by Hinson, D.P., Pätzold, M., Wilson, R.J., Häusler, B., Tellmann, S., Tyler, G.L.

“…We have derived new results concerning thermal tides on Mars from a combination of radio occultation measurements and numerical simulations by a Mars General…”
Get full text

An Atomic Force Microscope Study of Surface Roughness of Thin Silicon Films Deposited on $hbox SiO_2 by Nasrullah, J., Tyler, G.L., Nishi, Y.

Get full text

Validity of the Kirchhoff approximation for electromagnetic wave scattering from fractal surfaces by Sultan-Salem, A.K., Tyler, G.L.

“…Valid application of the Kirchhoff approximation (KA) for scattering from rough surfaces requires that the surface radius of curvature exceed approximately the…”
Get full text

Radio Science with Voyager 1 at Jupiter: Preliminary Profiles of the Atmosphere and Ionosphere by Eshleman, V. R., Tyler, G. L., Wood, G. E., Lindal, G. F., Anderson, J. D., Levy, G. S., Croft, T. A.

“…A preliminary profile of the atmosphere of Jupiter in the South Equatorial Belt shows (i) the tropopause occurring at a pressure level of 100 millibars and…”
Get full text

An atomic force microscope study of surface roughness of thin silicon films deposited on SiO2 by NASRULLAH, Jawad, TYLER, G. Leonard, NISHI, Yoshio

Get full text

An atomic force microscope study of surface roughness of thin silicon films deposited on SiO/sub 2 by Nasrullah, J., Tyler, G.L., Nishi, Y.

“…Atomic force microscope analysis, with a resolution of /spl lsim/1.1 nm, shows that peak-to-peak surface roughness (/spl Delta/h/sub p-p/) of amorphous silicon…”
Get full text

Three-dimensional numerical modeling of refraction and reflection scattering from icy galilean satellites by Baron, J.E., Tyler, G.L., Simpson, R.A.

“…Radar scattering from the icy galilean satellites is marked by unusually high backscatter cross sections and polarization ratios at wavelengths λ 0=3.5–70 cm…”
Get full text