Browsing College of Sciences and Mathematics by Title
Now showing items 97-116 of 387
Expansion of the Range of the Introduced Greenhouse Frog, Eleutherodactylus planirostris, in Coastal Alabama
(2022-09-16)
Eleutherodactylus planirostris (Greenhouse Frog), originally from Cuba, the Bahamas, and the Florida Keys, has been introduced to mainland Florida and has spread across the southeastern US. We used automated recording ...
Experimental characterization of broadband electrostatic noise due to plasma compression
(2020-06-05)
For a wide variety of laboratory and space plasma environments, theoretical predictions state that plasmas are unstable to inhomogeneous flows over a very broad frequency range. Such sheared flows are generated in the ...
Explaining the Railsback stretch in terms of the inharmonicity of piano tones and sensory dissonance
(2015-10-26)
The perceptual results of Plomp and Levelt for the sensory dissonance of a pair of
pure tones are used to estimate the dissonance of pairs of piano tones. By using the spectra of tones measured for a real piano, the effect ...
Externally driven plasmaspheric ULF waves observed by the Van Allen Probes
(2020-06-05)
We analyze data acquired by the Van Allen Probes on 8 November 2012, during a period of extended low geomagnetic activity, to gain new insight into plasmaspheric ultralow frequency (ULF) waves. The waves exhibited strong ...
Fast magnetosonic waves driven by shell velocity distributions
(2022-09-29)
Using linear dispersion theory and particle-in-cell simulations, we explore the ion Bernstein instability driven by the shell-type ion velocity distribution which is related to the excitation of fast magnetosonic waves in ...
Fast magnetosonic waves driven by shell velocity distributions
(2022-09-29)
Using linear dispersion theory and particle-in-cell simulations, we explore the ion Bernstein instability driven by the shell-type ion velocity distribution which is related to the excitation of fast magnetosonic waves in ...
Fast magnetosonic waves driven by shell velocity distributions
(2020-06-05)
Using linear dispersion theory and particle-in-cell simulations, we explore the ion Bernstein instability driven by the shell-type ion velocity distribution which is related to the excitation of fast magnetosonic waves in ...
Fast Magnetosonic Waves Observed by Van Allen Probes: Testing Local Wave Excitation Mechanism
(2020-05-28)
Linear Vlasov theory and particle-in-cell (PIC) simulations for electromagnetic fluctuations in a homogeneous, magnetized, and collisionless plasma are used to investigate a fast magnetosonic wave event observed by the Van ...
Fast Magnetosonic Waves Observed by Van Allen Probes: Testing Local Wave Excitation Mechanism
(2022-12-01)
Linear Vlasov theory and particle-in-cell (PIC) simulations for electromagnetic fluctuations in a homogeneous, magnetized, and collisionless plasma are used to investigate a fast magnetosonic wave event observed by the Van ...
Field line distribution of mass density at geostationary orbit
(2020-06-05)
The distribution of mass density along the field lines affects the ratios of toroidal (azimuthally oscillating) Alfven frequencies, and given the ratios of these frequencies, we can get information about that distribution. ...
Fine structure of low-energy H+ in the nightside auroral region
(2022-10-12)
Low-energy H+ data with 6-s resolution from the retarding ion mass spectrometer instrument on DE 1 have been analyzed to reveal the fine structure at middle altitudes of the nightside auroral region. A new method for ...
First-order symmetry-adapted perturbation theory for multiplet splittings
(2020-06-25)
We present a symmetry-adapted perturbation theory (SAPT) for the interaction of two high-spin open-shell molecules (described by their restricted open-shell Hartree-Fock determinants) resulting in low-spin states of the ...
Fishes of the Streams of Acadia National Park, Maine
(2021-05-05)
Acadia National Park (ANP) is a non-continuous conglomerate of park lands interspersed with private lands, which is located mainly on Mount Desert Island, ME. Surveys of fishes in ANP have largely ignored or under-sampled ...
Fitness implications of seasonal climate variation in Columbian ground squirrels
(2020-04-01)
The influence of climate change on the fitness of wild populations is often studied in the context of the spring onset of the reproductive season. This focus is relevant for climate influences on reproductive success, but ...
Fluctuating environments hinder the ability of female lizards to choose suitable nest sites for their embryos
(2022-11-07)
Nesting behavior is an important part of reproduction that affects maternal fitness. Females of most oviparous species choose microhabitats for nesting that have positive effects on embryo development. However, choosing ...
Foreshock wave interaction with the magnetopause: Signatures of mode conversion
(2022-09-30)
Our previous hybrid simulation (Shi et al., 2013) under a radial interplanetary magnetic field (IMF) and a supercritical solar wind Mach number has shown that foreshock compressional waves originated from the quasi-parallel ...
Foreshock wave interaction with the magnetopause: Signatures of mode conversion
(2020-06-01)
Our previous hybrid simulation (Shi et al., 2013) under a radial interplanetary magnetic field (IMF) and a supercritical solar wind Mach number has shown that foreshock compressional waves originated from the quasi-parallel ...
Free-Boundary Axisymmetric MHD Equilibrium
(2018-07-09)
The calculation of equilibrium conditions is a common task in the study and modeling of magnetic-confinement experiments for con- trolled nuclear fusion, in which a high-temperature plasma is confined in a finite region ...
Frequency of Occurrence and Population-Dynamic Consequences of Different Forms of Density-Dependent Emigration
(2022-08-02)
Emigration is a fundamental process affecting species' local, regional, and large-scale dynamics. The paradigmatic view in ecology is that emigration is density independent (DIE) or positive density dependent (1DDE). ...
Functional Characterization of Neuroendocrine Regulation of Branchial Carbonic Anhydrase Induction in the Euryhaline Crab Callinectes sapidus
(2020-04-02)
Carbonic anhydrase (CA) plays an essential role as a provider of counterions for Na+/H+ and Cl-/HCO3- exchange in branchial ionic uptake processes in euryhaline crustaceans. CA activity and gene expression are low in crabs ...