Search Results - "Gogineni, S. P."

A new bed elevation dataset for Greenland by Bamber, J. L, Griggs, J. A, Hurkmans, R. T. W. L, Dowdeswell, J. A, Gogineni, S. P, Howat, I, Mouginot, J, Paden, J, Palmer, S, Rignot, E, Steinhage, D

“…We present a new bed elevation dataset for Greenland derived from a combination of multiple airborne ice thickness surveys undertaken between the 1970s and…”
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Rapid ice discharge from southeast Greenland glaciers by Rignot, E., Braaten, D., Gogineni, S. P., Krabill, W. B., McConnell, J. R.

“…Interferometric synthetic‐aperture radar (InSAR) observations of southeast Greenland glaciers acquired by the Earth Remote Sensing Satellites (ERS‐1/2) in 1996…”
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North and Northeast Greenland Ice Discharge from Satellite Radar Interferometry by Rignot, E. J., Gogineni, S. P., Krabill, W. B., Ekholm, S.

“…Ice discharge from north and northeast Greenland calculated from satellite radar interferometry data of 14 outlet glaciers is 3.5 times that estimated from…”
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An accumulation map for the Greenland dry-snow facies derived from spaceborne radar by Munk, J., Jezek, K. C., Forster, R. R., Gogineni, S. P.

“…An important component of ice sheet mass balance calculations is the snow accumulation rate, traditionally determined across the ice sheet from interpolated…”
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A new ice thickness and bed data set for the Greenland ice sheet: 1. Measurement, data reduction, and errors by Bamber, J. L., Layberry, R. L., Gogineni, S. P.

“…Ice thickness data collected between 1993 and 1999 using a coherent ice‐penetrating radar system developed at the University of Kansas have been combined with…”
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Substantial thinning of a major east Greenland outlet glacier by Thomas, Robert H., Abdalati, Waleed, Akins, Torry L., Csatho, Beata M., Frederick, Earl B., Gogineni, Siva P., Krabill, William B., Manizade, Serdar S., Rignot, Eric J.

“…Aircraft laser‐altimeter surveys in 1993 and 1998 over Kangerdlugssuaq Glacier in east Greenland reveal thinning, over the 5‐year interim, of several meters…”
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Simultaneous PLIF/PIV investigation of vortex-induced annular extinction in H2-air counterflow diffusion flames by MEYER, T. R, FIECHTNER, G. J, GOGINENI, S. P, ROLON, J. C, CARTER, C. D, GORD, J. R

“…High-temporal-resolution measurements of scalars and velocity are used to study vortex-induced annular (off-centerline) flame extinction during the interaction…”
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Visualization and two-color DPIV measurements of flows in circular and square coaxial nozzles by BITTING, J. W, NIKITOPOULOS, D. E, GOGINENI, S. P, GUTMARK, E. J

“…High-resolution, reactive Mie scattering laser-sheet visualizations, two-color digital particle image velocimetry (DPIV) and thermal anemometry measurements in…”
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Mapping Basal Melt Under the Northern Greenland Ice Sheet by Oswald, G. K. A., Gogineni, S. P.

“…Ice sheets in Greenland and Antarctica are based on continental rock and are coupled strongly to changes in global sea level. Their beds may be frozen or…”
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Relationships between radar backscatter and accumulation rates on the Greenland ice sheet by Forster, R. R., Jezek, K. C., Bolzan, J., Baumgartner, F., Gogineni, S. P.

“…C-band radar backscatter generally seems to be inversely related to accumulation rate across Greenland's dry snow zone. A coupled snow…”
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Model-based interpretation of ERS-1 SAR images of Arctic sea ice by Beaven, S. G., Gogineni, S. P., Tjuatja, S., Fung, A. K.

“…Interpretation of Synthetic Aperture Radar (SAR) images of sea ice is complex because of the natural variability of sea ice and sensor-induced effects, such as…”
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Unusual surface morphology from digital elevation models of the Greenland Ice Sheet by Ekholm, Simon, Keller, Kristian, Bamber, Jonathan L., Gogineni, S. Prasad

“…In this study of the North Greenland ice sheet, we have used digital elevation models to investigate the topographic signatures of a large ice flow feature…”
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Laboratory backscatter measurements over urea ice with a snow cover at Ku band by Lytle, V.I., Jezek, K.C., Hosseinmostafa, A.R., Gogineni, S.P.

“…Indoor laboratory facilities were used to measure radar backscatter at Ku band (13.9 GHz) over urea ice, which has been shown to be structurally similar to sea…”
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A wideband radar for high-resolution mapping of near-surface internal layers in glacial ice by Kanagaratnam, P., Gogineni, S.P., Ramasami, V., Braaten, D.

“…Snow accumulation rate is an important parameter in determining the mass balance of polar ice sheets. Accumulation rate is currently determined by analyzing…”
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High-resolution radar mapping of internal layers at the North Greenland Ice Core Project by Kanagaratnam, P., Gogineni, S. P., Gundestrup, Niels, Larsen, Lars

“…Existing accumulation maps with reported errors of about 20% are determined from sparsely distributed ice cores and pits. A more accurate accumulation rate…”
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Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet by Legarsky, J.J., Gogineni, S.P., Akins, T.L.

“…The authors developed a synthetic aperture radar (SAR) processing algorithm for airborne/spaceborne ice-sounding radar systems and applied it to data collected…”
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Simultaneous PLIF/PIV investigation of vortex-induced annular extinction in H 2 -air counterflow diffusion flames by Meyer, T. R., Fiechtner, G. J., Gogineni, S. P., Rolon, J. C., Carter, C. D., Gord, J. R.

“…High-temporal-resolution measurements of scalars and velocity are used to study vortex-induced annular (off-centerline) flame extinction during the interaction…”
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Radar backscattering from artificially grown sea ice by Bredow, J., Gogineni, S.P., Gow, A.J., Blanchard, P.F., Moore, R.K.

“…Fine-resolution X-band backscatter measurements were made at the US Army Cold Region Research and Engineering Laboratory in Jan. 1987. Backscatter data were…”
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Ultrawideband Radar Measurements of Thickness of Snow Over Sea Ice by Kanagaratnam, P., Markus, T.., Lytle, V.., Heavey, B.., Jansen, P.., Prescott, G.., Gogineni, S.P.

“…An accurate knowledge of snow thickness and its variability over sea ice is crucial in determining the overall polar heat and freshwater budget, which…”
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Sea ice thickness measurements by ultrawideband penetrating radar: First results by Holt, Benjamin, Kanagaratnam, Pannirselvam, Gogineni, Siva Prasad, Ramasami, Vijaya Chandran, Mahoney, Andy, Lytle, Victoria

“…This study evaluates the potential of ultrawideband penetrating radar for the measurement of sea ice thickness. Electromagnetic modeling and system simulations…”
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