Results 11 to 20 of about 57,118 (143)

Long‐Wavelength Sinuosity of Linear Dunes on Earth and Titan and the Effect of Underlying Topography [PDF]

Journal of Geophysical Research E: Planets, 2019
AbstractOn both Earth and Titan, some linear dunefields are characterized by curvilinear patterning atypical of the regularity and straightness of typical longitudinal dunefields. We use remotely sensed imagery and an automated dune crestline detection algorithm to analyze the controls on spatial patterning.
Jani Radebaugh, Matt Telfer
exaly   +2 more sources

Underlying Topography Estimation over Forest Using Maximum a Posteriori Inversion with Spaceborne Polarimetric SAR Interferometry

Remote Sensing
This paper presents a method for extracting the digital elevation model (DEM) of forested areas from polarimetric interferometric synthetic aperture radar (PolInSAR) data. The method models the ground phase as a Von Mises distribution, with a mean of the
Xiaoshuai Li, Xiaolei Lv, Zenghui Huang
doaj   +2 more sources

Spatial distribution and morphometry of the Namibian coral mounds controlled by the hydrodynamic regime and outer-shelf topography

Frontiers in Marine Science, 2022
Cold-water corals mounds develop over millennial timescales as a result of sustained coral growth and concurrent with sediment deposition within their coral frameworks.
Leonardo Tamborrino, Leonardo Tamborrino, Jürgen Titschack, Jürgen Titschack, Claudia Wienberg, Sam Purkis, Gregor P. Eberli, Dierk Hebbeln   +7 more
doaj   +1 more source

Principles underlying sensory map topography in primary visual cortex [PDF]

Nature, 2016
The primary visual cortex contains a detailed map of the visual scene, which is represented according to multiple stimulus dimensions including spatial location, ocular dominance and stimulus orientation. The maps for spatial location and ocular dominance arise from the spatial arrangement of thalamic afferent axons in the cortex.
Kremkow, Jens, Jin, Jianzhong, Wang, Yushi, Alonso, Jose M.   +3 more
openaire   +2 more sources

Membrane curvature underlies actin reorganization in response to nanoscale surface topography [PDF]

Proceedings of the National Academy of Sciences, 2019
Significance Despite a large body of work, little is known about the origin or underlying mechanisms of how cells interact with surface topographic patterns, which has resulted in a primarily phenomenological approach in studying cell–nanotopography interactions.
Hsin-Ya Lou, Wenting Zhao, Xiao Li, Liting Duan, Alexander Powers, Matthew Akamatsu, Francesca Santoro, Allister F. McGuire, Yi Cui, David G. Drubin, Bianxiao Cui   +10 more
openaire   +4 more sources

One-dimensional topography underlies three-dimensional fibrillar cell migration [PDF]

Journal of Cell Biology, 2009
Current concepts of cell migration were established in regular two-dimensional (2D) cell culture, but the roles of topography are poorly understood for cells migrating in an oriented 3D fibrillar extracellular matrix (ECM). We use a novel micropatterning technique termed microphotopatterning (μPP) to identify functions for 1D fibrillar patterns in 3D ...
Doyle, Andrew D., Wang, Francis W., Matsumoto, Kazue, Yamada, Kenneth M.   +3 more
openaire   +2 more sources

On the More Complex Wavelength Dependency of Airy Isostasy in Icy Shells of Ocean Worlds

Geophysical Research Letters, 2023
The topography of ocean worlds is often used to infer ice shell thicknesses by assuming topography is compensated by a basal root. We systematically test the stability of isostatically compensated topography in ice shells. At short horizontal wavelengths,
Wesley S. Tucker, Andrew J. Dombard
doaj   +1 more source

The Effects of a Biomimetic Hybrid Meso- and Nano-Scale Surface Topography on Blood and Protein Recruitment in a Computational Fluid Dynamics Implant Model

Biomimetics, 2023
The mechanisms underlying bone-implant integration, or osseointegration, are still incompletely understood, in particular how blood and proteins are recruited to implant surfaces.
Hiroaki Kitajima, Makoto Hirota, Kohei Osawa, Toshinori Iwai, Kenji Mitsudo, Juri Saruta, Takahiro Ogawa   +6 more
doaj   +1 more source

A visual encoding model links magnetoencephalography signals to neural synchrony in human cortex

NeuroImage, 2021
Synchronization of neuronal responses over large distances is hypothesized to be important for many cortical functions. However, no straightforward methods exist to estimate synchrony non-invasively in the living human brain.
Eline R. Kupers, Noah C. Benson, Jonathan Winawer   +2 more
doaj   +1 more source

Uncertainties of snow cover extraction caused by the nature of topography and underlying surface [PDF]

Journal of Arid Land, 2015
Manas River, the largest inland river to the north of the Tianshan Mountains, provides important water resources for human production and living. The seasonal snow cover and snowmelt play essential roles in the regulation of spring runoff in the Manas River Basin (MRB).
Jun Zhao, YinFang Shi, YongSheng Huang, JieWen Fu   +3 more
openaire   +1 more source