Results 111 to 120 of about 3,234,913 (246)

TreeON: Reconstructing 3D Tree Point Clouds from Orthophotos and Heightmaps

open access: yesComputer Graphics Forum, EarlyView.
Abstract We present TreeON, a novel neural‐based framework for reconstructing detailed 3D tree point clouds from sparse top‐down geodata, using only a single orthophoto and its corresponding Digital Surface Model (DSM). Our method introduces a new training supervision strategy that combines both geometric supervision and a differentiable shadow and ...
Angeliki Grammatikaki   +4 more
wiley   +1 more source

Multiple satellite observations of oceanic planetary waves: techniques and findings [PDF]

open access: yes, 2003
Recent satellite-based observations of oceanic planetary waves have improved our knowledge of the wave properties and lead to advancements in the theory.
Cipollini, Paolo
core   +1 more source

exoALMA. VII. Benchmarking Hydrodynamics and Radiative Transfer Codes

open access: yesThe Astrophysical Journal Letters
Forward modeling is often used to interpret substructures observed in protoplanetary disks. To ensure the robustness and consistency of the current forward-modeling approach from the community, we conducted a systematic comparison of various ...
Jaehan Bae   +31 more
doaj   +1 more source

Topology‐based Visual Analysis of Hydrothermal Plumes

open access: yesComputer Graphics Forum, EarlyView.
Abstract Hydrothermal plumes are turbulent structures of intense heat and mineral smoke that rise and disperse into the deep ocean. Existing models generally characterize these systems as a single axisymmetric plume originating from a point source. However, this assumption breaks down in weakly venting, spatially distributed systems, where low‐flux ...
Adhitya Kamakshidasan   +3 more
wiley   +1 more source

Planet−Disk Interactions and the Convective Overstability. I. Low-mass Planets

open access: yesThe Astrophysical Journal
Rapid inward migration driven by Type I torques threatens the survival of low-mass planets in their nascent protoplanetary disks (PPDs). Positive corotation torques offer a potential solution but require viscous diffusion to remain unsaturated.
Marius Lehmann, Min-Kai Lin
doaj   +1 more source

Imidacloprid Alters Activity and Responses to a Visual Predator Stimulus in Aussie Bronze Jumping Spiders (Helpis minitabunda, Araneae, Salticidae)

open access: yesEthology, EarlyView.
A field‐recommended concentration of a commercial imidacloprid formulation reduced open arena activity and slowed climbing in the jumping spider Helpis minitabunda. Exposed spiders still detected a looming predator stimulus, but their responses were reduced.
Reshnu Rajan‐Sheela   +2 more
wiley   +1 more source

Late-infall-induced formation of giant planets, multigenerational planetesimals, and disk substructures

open access: yesAstronomy & Astrophysics
Late infall can replenish the building materials of planets in protoplanetary disks and dramatically alter their structural evolution. The resulting pressure bumps effectively accumulate dust, facilitate grain coagulation, and trigger planetesimal ...
Zhao Haichen   +4 more
doaj   +1 more source

Appraisal of Six Natural Mica Reference Materials for In Situ Rb‐Sr Geochronology

open access: yesGeostandards and Geoanalytical Research, EarlyView.
Key Points Evaluated six natural mica reference materials for in situ LA‐ICP‐MS/MS Rb‐Sr geochronology using geochemical, microstructural and isotopic characterisation. Identified robust primary reference materials: Mount Dromedary biotite (99.37 Ma) and Mica‐Fe biotite (307.75 Ma). La Posta biotite and Högsbo muscovite are suitable secondary reference
Hugo K.H. Olierook   +38 more
wiley   +1 more source

On Eccentric Protoplanetary Disks. I. How Eccentric are Planet-perturbed Disks?

open access: yesThe Astrophysical Journal
Protoplanetary disks can become eccentric when planets open deep gaps within, but how eccentric are they? We answer this question by analyzing two-dimensional hydrodynamical simulations of planet–disk interaction.
Cory Padgett, Jeffrey Fung
doaj   +1 more source

From biology to biotechnology: Host‐regulation factors from parasitoid wasps are a source of bioactive molecules with translational potential

open access: yesInsect Molecular Biology, EarlyView.
Parasitoid wasps deploy maternal and embryonic factors to reprogramme host physiology. Venom, calyx fluid, polydnaviruses, teratocytes and larval secretions act in a coordinated, compartmentalised manner. Host‐regulation factors are promising sources of insecticidal, antimicrobial and bioinspired translational molecules.
Ciro Pedro G. Pinto   +2 more
wiley   +1 more source

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