Search Results - Rack, W.

Toward a robust retrieval of snow accumulation over the Antarctic ice sheet using satellite radar by Dierking, W., Linow, S., Rack, W.

“…The sensitivity of radar measurements to snow accumulation rate is determined by the firn volume characteristics of the ice sheets. Here we present a new…”
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Spatio-temporal analysis of the relationship between LST from MODIS and air temperature in New Zealand by Sohrabinia, M., Zawar-Reza, P., Rack, W.

“…The ambient air temperature (T a ) is an important environmental parameter which can be estimated from satellite observations of the land surface temperature…”
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Fast Ice Thickness Distribution in the Western Ross Sea in Late Spring by Langhorne, P. J., Haas, C., Price, D., Rack, W., Leonard, G. H., Brett, G. M., Urbini, S.

“…We present a 700 km airborne electromagnetic survey of late‐spring fast ice and sub‐ice platelet layer (SIPL) thickness distributions from McMurdo Sound to…”
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The sub-ice platelet layer and its influence on freeboard to thickness conversion of Antarctic sea ice by Price, D, Rack, W, Langhorne, P. J, Haas, C, Leonard, G, Barnsdale, K

“…This is an investigation to quantify the influence of the sub-ice platelet layer on satellite measurements of total freeboard and their conversion to thickness…”
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Retrieving snowpack properties and accumulation estimates from a combination of SAR and scatterometer measurements by Rotschky, G., Rack, W., Dierking, W., Oerter, H.

“…This study combines two satellite radar techniques, low-resolution C-/Ku-band scatterometer and high-resolution C-band synthetic aperture radar (SAR) for…”
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Observed platelet ice distributions in Antarctic sea ice: An index for ocean-ice shelf heat flux by Langhorne, P. J., Hughes, K. G., Gough, A. J., Smith, I. J., Williams, M. J. M., Robinson, N. J., Stevens, C. L., Rack, W., Price, D., Leonard, G. H., Mahoney, A. R., Haas, C., Haskell, T. G.

“…Antarctic sea ice that has been affected by supercooled Ice Shelf Water (ISW) has a unique crystallographic structure and is called platelet ice. In this paper…”
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Getting around Antarctica: new high-resolution mappings of the grounded and freely-floating boundaries of the Antarctic ice sheet created for the International Polar Year by Bindschadler, R., Choi, H., Wichlacz, A., Bingham, R., Bohlander, J., Brunt, K., Corr, H., Drews, R., Fricker, H., Hall, M., Hindmarsh, R., Kohler, J., Padman, L., Rack, W., Rotschky, G., Urbini, S., Vornberger, P., Young, N.

“…Two ice-dynamic transitions of the Antarctic ice sheet – the boundary of grounded ice features and the freely-floating boundary – are mapped at 15-m resolution…”
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Variability in the Distribution of Fast Ice and the Sub‐ice Platelet Layer Near McMurdo Ice Shelf by Brett, G. M., Irvin, A., Rack, W., Haas, C., Langhorne, P. J., Leonard, G. H.

“…Variability in the volume of supercooled Ice Shelf Water outflow in McMurdo Sound is reflected in the thickness and distribution of fast ice and the sub‐ice…”
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Snow accumulation and compaction derived from GPR data near Ross Island, Antarctica by Kruetzmann, N. C., Rack, W., McDonald, A. J., George, S. E.

“…We present an improved method for estimating accumulation and compaction rates of dry snow in Antarctica with ground penetrating radar (GPR). Using an estimate…”
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Tidally induced velocity variations of the Beardmore Glacier, Antarctica, and their representation in satellite measurements of ice velocity by Marsh, O. J, Rack, W, Floricioiu, D, Golledge, N. R, Lawson, W

“…Ocean tides close to the grounding line of outlet glaciers around Antarctica have been shown to directly influence ice velocity, both linearly and…”
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One Photon Yields Two Isomerizations: Large Atomic Displacements during Electronic Excited-State Dynamics in Ruthenium Sulfoxide Complexes by Garg, Komal, King, Albert W, Rack, Jeffrey J

“…Photochromic compounds efficiently transduce photonic energy to potential energy for excited-state bond-breaking and bond-forming reactions. A critical feature…”
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GEOSTATISTICAL ANALYSIS OF SURFACE TEMPERATURE AND IN-SITU SOIL MOISTURE USING LST TIME-SERIES FROM MODIS by Sohrabinia, M., Rack, W., Zawar-Reza, P.

“…The objective of this analysis is to provide a quantitative estimate of the fluctuations of land surface temperature (LST) with varying near surface soil…”
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Direct reconstruction of glacier bedrock from known free surface data using the one-dimensional shallow ice approximation by Gessese, A., Heining, C., Sellier, M., Mc Nish, R., Rack, W.

“…Glaciers are an important component of the climate system that respond sensitively to climate change. Small glaciers respond more quickly to changing weather…”
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Investigating the Effects of Solvent on the Ultrafast Dynamics of a Photoreversible Ruthenium Sulfoxide Complex by King, Albert W, McClure, Beth Anne, Jin, Yuhuan, Rack, Jeffrey J

“…The photochromic complex [Ru(bpy)2(pySO)]2+ [pySO is 2-(isopropylsulfinylmethyl)pyridine] undergoes wavelength specific, photoreversible S → O and O → S…”
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A Spatially Adjusted Elevation Model in Dronning Maud Land, Antarctica, Based on Differential SAR Interferometry by Drews, R., Rack, W., Wesche, C., Helm, V.

“…In this paper, a new digital elevation model (DEM) is derived for the ice sheet in western Dronning Maud Land, Antarctica. It is based on differential…”
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Irradiation Resistance of Multicomponent Alloys by Egami, T., Guo, W., Rack, P. D., Nagase, T.

“…High-entropy alloys (HEAs) are characterized not only by high values of entropy but also by high atomic-level stresses originating from mixing of elements with…”
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Seasonal and diurnal variability of sub-ice platelet layer thickness in McMurdo Sound from electromagnetic induction sounding by Brett, Gemma M, Leonard, Greg H, Rack, Wolfgang, Haas, Christian, Langhorne, Patricia J, Robinson, Natalie J, Irvin, Anne

“…Here, we present observations of temporal variability of sub-ice platelet layer over seasonal and diurnal timescales under Ice Shelf Water-influenced fast ice…”
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Basal melting of A-38B: A physical model constrained by satellite observations by Jansen, Daniela, Schodlok, Michael, Rack, Wolfgang

“…We observed the large tabular iceberg A-38B in the time period from the calving event at the Ronne Ice Shelf in 1998 until its grounding near South Georgia in…”
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Winter accumulation in the percolation zone of Greenland measured by airborne radar altimeter by Helm, V., Rack, W., Cullen, R., Nienow, P., Mair, D., Parry, V., Wingham, D. J.

“…We here determine the surface elevation and the winter snow accumulation rate along a profile in the percolation zone of the Greenland Ice Sheet from data…”
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Probing the early stages of shock-induced chondritic meteorite formation at the mesoscale by Rutherford, Michael E., Chapman, David J., Derrick, James G., Patten, Jack R. W., Bland, Philip A., Rack, Alexander, Collins, Gareth S., Eakins, Daniel E.

“…Chondritic meteorites are fragments of asteroids, the building blocks of planets, that retain a record of primordial processes. Important in their early…”
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