Results 121 to 130 of about 1,547 (182)

Time Profile of U.S. Neighborhoods: Datasets of Time Use at Social Infrastructure Places. [PDF]

Sci Data
Wang Y, Guo Z.
europepmc   +1 more source

Patients with diabetes struggling to afford food and control their HbA1c in food-insecure areas in Bronx, NY. [PDF]

Public Health Nutr
Chambers EC, Levano SR, Cohen N, Maroko AR, Telzak A, Stephenson-Hunter C, Fiori KP.   +6 more
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GRACE-FO Satellite Data Preprocessing Based on Residual Iterative Correction and Its Application to Gravity Field Inversion. [PDF]

Sensors (Basel)
Zhao S, Li L.
europepmc   +1 more source

Open-source data pipeline for street-view images: A case study on community mobility during COVID-19 pandemic. [PDF]

PLoS One
Martell M, Terry N, Sengupta R, Salazar C, Errett NA, Miles SB, Wartman J, Choe Y.   +7 more
europepmc   +1 more source

The glass-ceiling convective regime and the origin and diversity of coronae on Venus. [PDF]

Proc Natl Acad Sci U S A
Kerr MC, Stegman DR, Smrekar SE, Adams AC.   +3 more
europepmc   +1 more source

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The relativistic geoid

2017 IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace), 2017
Based on the formalism of General Relativity, we analyze generalizations of concepts used in conventional geodesy. One such concept is the Earth's geoid. We present our definition of the relativistic geoid in terms of the level sets of a time-independent redshift potential. Such a potential exists for any congruence of Killing observers, i.e.
Dennis Philipp, Volker Perlick, Dirk Puetzfeld, Eva Hackmann, Claus Lammerzahl   +4 more
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Geoid Determination

2013
Il testo sviluppa con completezza gli argomenti classici e moderni relativi alla determinazione del geoide in geodesia fisica. Il testo è diviso in tre parti, dai titoli "Theory", "Methods and Applications" e "Advanced Analysis Methods". Fernando Sansò è autore della prima (da pag.3 a pag. 256) e della terza parte (da pag. 547 a pag. 704).
O. B. Andersen, G. Fotopolous, N. K. Pavlis, SANSO', FERNANDO, M. G. Sideris, C. C. Tscherning, I. N. Tziavos   +6 more
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Geoid undulation accuracy

IEEE Transactions on Geoscience and Remote Sensing, 1993
For use in oceanographic applications the geoid is ideally needed to a high accuracy and to a high resolution. In 1979 the cumulative geoid undulation error to spherical harmonic degree 20 was +or-1.4 m for the GEM10 potential coefficient model. Today the corresponding value has been reduced to +or-25 cm for GEM-T3 or +or-11 cm for the OSU91A model ...
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Comparison of gravimetric geoids with Geos 3 altimetric geoid

Journal of Geophysical Research: Solid Earth, 1979
By means of 1° × 1° gravimetric geoids in the North Atlantic, Northwest Pacific, and Indian oceans, comparisons have been made with Geos 3 radar altimeter estimates of geoid height. Most commonly, there are constant offsets and long‐wavelength discrepancies between the two data sets; there are many probable causes, including radial orbit error, scale ...
Michael E. Chapman, Manik Talwani
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The Geological Significance of the Geoid

Annual Review of Earth and Planetary Sciences, 1985
data are being used to study terrestrial phenomena at scales from tens of thousands of kilometers down to hundreds or even tens of kilometers. This paper focuses on the interpretation of global gravity in the form of the geoid and concentrates on what has already been learned from it about the structure of the Earth at long-to-intermed iate wavelengths.
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