Search Results - "Smith, Walter F."
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Global marine gravity from retracked Geosat and ERS-1 altimetry: Ridge segmentation versus spreading rate
Published in Journal of Geophysical Research - Solid Earth (01-01-2009)“…Three approaches are used to reduce the error in the satellite‐derived marine gravity anomalies. First, we have retracked the raw waveforms from the ERS‐1 and…”
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New global marine gravity model from CryoSat-2 and Jason-1 reveals buried tectonic structure
Published in Science (American Association for the Advancement of Science) (03-10-2014)“…Gravity models are powerful tools for mapping tectonic structures, especially in the deep ocean basins where the topography remains unmapped by ships or is…”
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Toward 1-mGal accuracy in global marine gravity from CryoSat-2, Envisat, and Jason-1
Published in Leading edge (Tulsa, Okla.) (01-08-2013)“…More than 60% of the Earth's land and shallow marine areas are covered by > 2 km of sediments and sedimentary rocks, with the thickest accumulations on rifted…”
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Towards the Mitigation of Discrepancies in Sea Surface Parameters Estimated from Low- and High-Resolution Satellite Altimetry
Published in Remote sensing (Basel, Switzerland) (01-09-2023)“…In this study, we present an extension to existing numerical retrackers of synthetic-aperture radar (SAR) altimetry signals. To our knowledge at the time of…”
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Resource Letter ALC-1: Advanced Laboratory Courses
Published in American journal of physics (01-09-2024)“…Advanced laboratory courses play several essential roles in the undergraduate curriculum, including the development of students into independent…”
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Global Sea Floor Topography from Satellite Altimetry and Ship Depth Soundings
Published in Science (American Association for the Advancement of Science) (26-09-1997)“…A digital bathymetric map of the oceans with a horizontal resolution of 1 to 12 kilometers was derived by combining available depth soundings with…”
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Photoconductivity of Self-Assembled Porphyrin Nanorods
Published in Nano letters (14-07-2004)“…The photoconductivity of nanorods self-assembled from meso-tetrakis(4-sulfonatophenyl)porphine is described. The nanorods are insulating in the dark. Upon…”
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A global positioning system-based climatology for the total electron content in the ionosphere
Published in Journal of Geophysical Research: Space Physics (01-10-2010)“…The total electron content (TEC) in the ionosphere is an important factor in the propagation of radio waves. Since 1998 the coverage global positioning system…”
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Toward the Development of Peptide Nanofilaments and Nanoropes as Smart Materials
Published in Proceedings of the National Academy of Sciences - PNAS (06-09-2005)“…Protein design studies using coiled coils have illustrated the potential of engineering simple peptides to self-associate into polymers and networks. Although…”
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Mesoscale ocean dynamics observed by satellite altimeters in non-repeat orbits
Published in Geophysical research letters (01-03-2009)“…We compare sea surface height anomalies observed by satellite altimeters in exact repeat mission orbits to anomalies observed by altimeters in geodetic or…”
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Waveform Aliasing in Satellite Radar Altimetry
Published in IEEE transactions on geoscience and remote sensing (01-04-2015)“…The full deramp pulse compression scheme employed by satellite radar altimeters digitizes each radar echo at a sampling rate matched to the chirp bandwidth…”
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Photoconductivity of Self-Assembled Nanotapes Made from meso-Tri(4-sulfonatophenyl)monophenylporphine
Published in Journal of physical chemistry. C (14-02-2008)“…meso-Tri(4-sulfonatophenyl)monophenylporphine (TPPS3) has one fewer sulfonate group than meso-tetra(4-sulfonatophenyl)porphine (TPPS4), which has been shown to…”
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Arctic Sea-Ice Surface Elevation Distribution from NASA’s Operation IceBridge ATM Data
Published in Remote sensing (Basel, Switzerland) (01-07-2022)“…In this paper, we characterize the sea-ice elevation distribution by using NASA’s Operation IceBridge (OIB) Airborne Topographic Mapper (ATM) L1B data over the…”
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How supercontinents and superoceans affect seafloor roughness
Published in Nature (18-12-2008)“…Seafloor roughness varies considerably across the world's ocean basins and is fundamental to controlling the circulation and mixing of heat in the ocean and…”
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Improved Bathymetric Prediction Using Geological Information: SYNBATH
Published in Earth and space science (Hoboken, N.J.) (01-02-2022)“…To date, ∼20% of the ocean floor has been surveyed by ships at a spatial resolution of 400 m or better. The remaining 80% has depth predicted from satellite…”
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The Benefits of the Ka-Band as Evidenced from the SARAL/AltiKa Altimetric Mission: Scientific Applications
Published in Remote sensing (Basel, Switzerland) (01-01-2018)“…The India-France SARAL/AltiKa mission is the first Ka-band altimetric mission dedicated primarily to oceanography. The mission objectives were firstly the…”
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Fully Focused SAR Altimetry: Theory and Applications
Published in IEEE transactions on geoscience and remote sensing (01-01-2017)“…In this paper, we introduce the concept, develop the theory, and demonstrate the advantages of fully focused coherent processing of pulse echoes from a…”
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Slope correction for ocean radar altimetry
Published in Journal of geodesy (01-08-2014)“…We develop a slope correction model to improve the accuracy of mean sea surface topography models as well as marine gravity models. The correction is greatest…”
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Direct conversion of latitude and height from one ellipsoid to another
Published in Journal of geodesy (01-05-2022)“…I suggest a method for converting geodetic height and latitude from one oblate ellipsoid of revolution to another having the same center and symmetry axis…”
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Organic electronics Self-assembly is ready to roll
Published in Nature nanotechnology (01-02-2007)Get full text
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