Search Results - "Jezek, K.C."

A review of recent developments in low-frequency ultra-wideband microwave radiometry for studies of the cryosphere by Jezek, K.C., Johnson, J.T., Tsang, L., Brogioni, M., Macelloni, G., Aksoy, M., Kaleschke, L., Wang, S., Leduc-Leballeur, M., Yardim, C., Andrews, M., Xu, H., Demir, O., Tan, S., Miller, J.

“…Over the past decade, a series of airborne experiments in the Arctic and Antarctica explored microwave emission from sea ice and ice sheets at frequencies from…”
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Automated delineation of dry and melt snow zones in Antarctica using active and passive microwave observations from space by Hongxing Liu, Lei Wang, Jezek, K.C.

“…This paper presents the algorithms and analysis results for delineating snow zones using active and passive microwave satellite remote sensing data. With a…”
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Wideband measurements of ice sheet attenuation and basal scattering by Paden, J.D., Allen, C.T., Gogineni, S., Jezek, K.C., Dahl-Jensen, D., Larsen, L.B.

“…We are developing a multifrequency multistatic synthetic aperture radar (SAR) for determining polar ice sheet basal conditions. To obtain data for designing…”
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Measurement of glacier geophysical properties from InSAR wrapped phase by Forster, R.R., Jezek, K.C., Koenig, L., Deeb, E.

“…A method is presented for calculating longitudinal glacier strain rates directly from the wrapped phase of an interferometric synthetic aperture radar (InSAR)…”
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On reconciling ground-based with spaceborne normalized radar cross section measurements by Baumgartner, F., Munk, J., Jezek, K.C., Gogineni, S.

“…This study examines differences in the normalized radar cross section, derived from ground-based versus spaceborne radar data. A simple homogeneous half-space…”
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A broad spectral, interdisciplinary investigation of the electromagnetic properties of sea ice by Jezek, K.C., Perovich, D.K., Golden, K.M., Luther, C., Barber, D.G., Gogineni, P., Grenfell, T.C., Jordan, A.K., Mobley, C.D., Nghiem, S.V., Onstott, R.G.

“…This paper highlights the interrelationship of research completed by a team of investigators and presented in the several individual papers comprising this…”
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Dielectric permittivity and scattering measurements of Greenland firn at 26.5-40 GHz by Lytle, V.I., Jezek, K.C.

“…Three blocks of snow approximately 33 cm on each side were harvested from the Greenland ice sheet at depths ranging from 0.3 to 2.7 m below the surface and…”
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Synergistic Fusion of Interferometric and Speckle-Tracking Methods for Deriving Surface Velocity From Interferometric SAR Data by Hongxing Liu, Zhiyuan Zhao, Jezek, K.C.

“…This letter presents a technique to adjust and unify disconnected interferogram fringe regions for the derivation of accurate surface-velocity measurements…”
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Modeling the nadiral low-frequency pulse return of one-dimensionally rough surfaces by Niamsuwan, N., Johnson, J.T., Jezek, K.C.

“…Measurements of radar pulse return waveforms are known to provide information on properties of the observed surface, and are commonly used in oceanographic…”
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Observing the Antarctic Ice Sheet Using the RADARSAT-1 Synthetic Aperture Radar by Jezek, Kenneth C.

“…This paper discusses the RADARSAT-1 Antarctic Mapping Project (RAMP). RAMP is a collaboration between NASA and the Canadian Space Agency (CSA) to map…”
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On the recent calving of icebergs from the Ross ice shelf: Special issue : citation classics - reflecting the highlights of Polar geography in the International Year of Planet Earth by LAZZARA, M.A, JEZEK, K.C, SCAMBOS, T.A, MACAYEAL, D.R, VAN DER VEEN, C.J

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On the recent calving of icebergs from the Ross ice shelf: Citation Classics - Reflecting the Highlights of Polar Geography in the International Year of Planet Earth by LAZZARA, M.A, JEZEK, K.C, SCAMBOSS, T.A, MACAYEAL, D.R, VAN DER VEEN, C.J

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Cryorad: A Low Frequency Wideband Radiometer Mission for the Study of the Cryosphere by Macelloni, G., Brogioni, M., Leduc-Leballeur, M., Montomoli, F., Bartsch, A., Mialon, A., Ritz, C., Soteras, J. Closa, Stammer, D., Picard, G., De Carolis, G., Boutin, J., Johnson, J. T., Nicholls, K. W., Jezek, K.C., Rautiainen, K., Kaleschke, L., Bertino, L, Tsang, L., van den Broeke, M., Skou, N., Tietsche, S.

“…Earth's cold regions are key elements of the planet's climate system: they have strong feedbacks with global change and they have a direct impact on human…”
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Investigating DEM Error Patterns by Directional Variograms and Fourier Analysis by Liu, Hongxing, Jezek, Kenneth C.

“…In many spatial analyses and GIS applications, a Digital Elevation Model (DEM) is often used to derive a variety of new variables and parameters. Previous…”
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Evolution of electromagnetic signatures of sea ice from initial formation to the establishment of thick first-year ice by Grenfell, T.C., Barber, D.G., Fung, A.K., Gow, A.J., Jezek, K.C., Knapp, E.J., Nghiem, S.V., Onstott, R.G., Perovich, D.K., Roesler, C.S., Swift, C.T., Tanis, F.

“…The spatial and temporal distribution of new and young sea ice types are of particular interest because of the influence this can exert on the heat and mass…”
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On the recent calving of icebergs from the Ross Ice Shelf by Lazzara, M. A., Jezek, K. C., Scambos, T. A., MacAyeal, D. R., van der Veen, C. J.

“…The year 2000 has witnessed the calving of several remarkably large icebergs in the Ross and Weddell seas of Antarctica, including the calving of B-15,…”
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Accumulation rate changes in central Greenland from passive microwave data by Bolzan, J. F., Jezek, K. C.

“…Numerical modeling based on radiative transfer theory and observations of grain growth with depth have indicated that passive microwave brightness temperatures…”
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Electromagnetic and physical properties of sea ice formed in the presence of wave action by Onstott, R.G., Gogineni, P., Gow, A.J., Grenfell, T.C., Jezek, K.C., Perovich, D.K., Swift, C.T.

“…Estimating the magnitude of brine flux to the upper ocean requires an ability to assess the dynamics of the formation of sea ice in a region. Brine storage and…”
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Flow variations of the Antarctic ice sheet from comparison of modern and historical satellite data by Jezek, K.C.

“…Since 1962, high quality satellite images of Antarctica have been acquired. The earliest images, from the Corona Program, have only recently become available…”
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The role of remote sensing in the environmental monitoring of Antarctica by Jezek, Kenneth C., Onstott, Robert G.

“…The application of remote sensing technology to environmental monitoring in the Antarctic was evaluated during a brief pilot program conducted at McMurdo…”
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