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Akademický článek

COMPARISON OF DIGITAL TERRAIN MODELS FROM TWO PHOTOCLINOMETRY METHODS

Autor: R. L. Kirk, D. P. Mayer, C. M. Dundas, B. H. Wheeler, R. A. Beyer, O. Alexandrov

Publikováno v: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B3-2022, Pp 1059-1067 (2022)

We evaluate the horizontal resolution and vertical precision for digital topographic models (DTMs) of the Moon derived from image radiance information, a process known as photoclinometry (PC) or shape-from-shading (SfS). We use the implementations in

Externí odkaz: https://doaj.org/article/648a0ff309ed440388dd8031da23bc7a

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Akademický článek

Observations of sea ice melt from Operation IceBridge imagery

Autor: N. C. Wright, C. M. Polashenski, S. T. McMichael, R. A. Beyer

Publikováno v: The Cryosphere, Vol 14, Pp 3523-3536 (2020)

The summer albedo of Arctic sea ice is heavily dependent on the fraction and color of melt ponds that form on the ice surface. This work presents a new dataset of sea ice surface fractions along Operation IceBridge (OIB) flight tracks derived from th

Externí odkaz: https://doaj.org/article/3d5cb27a185f49b2983ee384fb7997d6

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Akademický článek

GEOLOGICAL MAPPING OF PLUTO AND CHARON USING NEW HORIZONS DATA

Autor: J. M. Moore, J. R. Spencer, W. B. McKinnon, A. D. Howard, O. M. White, O. M. Umurhan, P. M. Schenk, R. A. Beyer, K. Singer, S. A. Stern, H. A. Weaver, L. A. Young, K. Ennico Smith, C. Olkin, New Horizons Geology and Geophysics Imaging Team

Publikováno v: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B4, Pp 449-451 (2016)

Pluto and Charon exhibit strikingly different surface appearances, despite their similar densities and presumed bulk compositions. Systematic mapping has revealed that much of Pluto’s surface can be attributed to surface-atmosphere interactions and

Externí odkaz: https://doaj.org/article/dfd9e62a329f43c598df9e35732b8e52

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Akademický článek

TOPOGRAPHIC MAPPING OF PLUTO AND CHARON USING NEW HORIZONS DATA

Autor: P. M. Schenk, R. A. Beyer, J. M. Moore, J. R. Spencer, W. B. McKinnon, A. D. Howard, O. M. White, O. M. Umurhan, K. Singer, S. A. Stern, H. A. Weaver, L. A. Young, K. Ennico Smith, C. Olkin, New Horizons Geology and Geophysics Imaging Team

Publikováno v: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B4, Pp 487-489 (2016)

New Horizons 2015 flyby of the Pluto system has resulted in high-resolution topographic maps of Pluto and Charon, the most distant objects so mapped. DEM’s over ~30% of each object were produced at 100-300 m vertical and 300-800 m spatial resolutio

Externí odkaz: https://doaj.org/article/cb469f3fed994e81b2bf4b41afbd7f20

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Excessive activation of the alternative complement pathway in autosomal dominant polycystic kidney disease

Autor: J. Zhou, Yang Liu, Xueqi Wang, Z. Su, H. Hu, J. Zhang, Rudolf P. Wüthrich, X. Gao, C. Pan, R. P. Beyer, M. Shi, Andreas L. Serra, Changlin Mei

Publikováno v: Journal of Internal Medicine
Journal of internal medicine

Objectives The complement system is involved in many immune complex-mediated kidney diseases, yet its role in the pathogenesis of autosomal dominant polycystic kidney disease (ADPKD) has not been examined in detail. Methods and Results Screening of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0b425ceb2679b0ba09749c643a5f2eb
https://pubmed.ncbi.nlm.nih.gov/25205519

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Fitting smooth curves to noisy indicator-dilution and other unimodal data

Autor: R. P. Beyer

Publikováno v: Computers and Biomedical Research. 25:144-152

A linear least squares method for fitting noisy unimodal functions such as indicator-dilution curves with piecewise stretched exponential functions is described. Stretched exponential functions have the form z(t) = alpha t beta e gamma t, where alpha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b91eb704c9a404b94d24dd426cf0b242
https://doi.org/10.1016/0010-4809(92)90017-5

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Analysis of a One-Dimensional Model for the Immersed Boundary Method

Autor: Randall J. LeVeque, R. P. Beyer

Publikováno v: SIAM Journal on Numerical Analysis. 29:332-364

Numerical methods are studied for the one-dimensional heat equation with a singular forcing term, $u_t = u_{xx} + c(t)\delta (x - \alpha (t)).$ The delta function $\delta (x)$ is replaced by a discrete approximation $d_h (x)$ and the resulting equati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b4bf53f44a3f945b7af2612ecbf9e4a
https://doi.org/10.1137/0729022

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Pitzer-Debye-H�ckel limiting slopes for water from 0 to 350�C and from saturation to 1 kbar

Autor: B. R. Staples, R. P. Beyer

Publikováno v: Journal of Solution Chemistry. 15:749-764

Using internationally recognized critical evaluations for the dielectric constant of water by Uematsu and Franck and the thermodynamic surface of water by Haar, Gallagher, and Kell, the Bureau of Mines presents values for the Pitzer-Debye-Huckel limi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01205073add5fd2c18cbb8895843b9f6
https://doi.org/10.1007/bf00646716

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