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952 results for “Noise”
Data from: Modelling of ships as a source of underwater noise
In this paper, a methodology is presented for modelling underwater noise emissions from ships based on realistic vessel activity in the Baltic Sea region. This paper combines the Wittekind noise source model with the Ship Traffic Emission Assessment Model (STEAM) in order to produce regular updates for underwater noise from ships. This approach allows the construction of noise source maps, but requires parameters which are not commonly available from commercial ship technical databases. For this reason, alternative methods were necessary to fill in the required information. Most of the parameters needed contain information that is available during the STEAM model runs, but features describing propeller cavitation are not easily recovered for the world fleet. Baltic Sea ship activity data were used to generate noise source maps for commercial shipping. Container ships were recognized as the most significant source of underwater noise, and the significant potential for an increase in their contribution to future noise emissions was identified.
Seismic noise cross-correlation functions for East Asia
<p>The files uploaded here contain the ambient seismic noise cross-correlation functions used to measure Rayleigh and Love wave group velocity dispersion in East Asia.</p>
Noise stimuli, musician particiants (ACI experiment)
<p>Noise stimuli involved in the Auditory Classification Image experiment (gaussian noise). 10.000 stimuli for each participant. wav format, 48 kHz</p>
Data files: A plasmid-based E. coli gene expression system with cell-to-cell variation below the extrinsic noise limit
<p>This zip archive contains flow cytometry data, microscopy data, and MATLAB code used to generate the figures in the submitted manuscript "A plasmid-based E. coli gene expression system with cell-to-cell variation below the extrinsic noise limit" (PONE-D-17-11810). Text files within the archive describe how to open files and which data corresponds to manuscript figures.</p>
Data related to "Modeling the Diverse Effects of Divisive Normalization on Noise Correlations"
<p>Data files for the paper, Modeling the Diverse Effects of Divisive Normalization on Noise Correlations, available on <a href="https://www.biorxiv.org/content/10.1101/2022.06.08.495145v3.abstract">bioRxiv</a></p><p> </p><p>For the corresponding code toolbox, please see the <a href="https://github.com/oren-weiss/pairwiseRatioGaussians">Github repository</a></p><p> </p><p>Please cite as:</p><blockquote><p>Modeling the Diverse Effects of Divisive Normalization on Noise Correlations</p><p>Oren Weiss, Hayley A. Bounds, Hillel Adesnik, Ruben Coen-Cagli</p><p>bioRxiv 2022.06.08.495145; doi: https://doi.org/10.1101/2022.06.08.495145</p></blockquote><p> </p><p> </p>
Data from: Snowmobile noise alters bird vocalization patterns during winter and pre-breeding season
Open the record for dataset details and reuse information.
Fig. 3 in Influence of urban noise in call traits of the Atlantic Forest treefrog Bokermannohyla hylax
Fig. 3. Parameters of individuals' advertisement calls in both sampling sites close to (lighter colors) and far (darker colors) from the boulevard. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Fig. 1 in Influence of urban noise in call traits of the Atlantic Forest treefrog Bokermannohyla hylax
Fig. 1. Collecting sites of Bokermannohyla hylax in S˜ao Paulo, Brazil, with the distances from collecting sites to boulevard and city houses.
Fig. 2 in Influence of urban noise in call traits of the Atlantic Forest treefrog Bokermannohyla hylax
Fig. 2. Mean frequency spectrum of Bokermannohyla hylax advertisement call in both sites and average urban noise close (blue line) to and far (pink line) from the boulevard (frequency sampling 22.05 kHz, window length 1024 points). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Different Formation Modes of the North‒South-Trending Rifts in Southern Tibet: Implications from Ambient Noise Tomography
<p>To reveal the formation modes of the southern Tibetan rifts, we performed ambient noise tomography to image the shear-wave velocity structure beneath different rifts. This dataset consists of there parts. The CFs_STB.zip contains correlation functions of all the station pairs. The disps_STB.zip contains the Rayleigh surface wave phase velocity dispersion curves. And the 3-D shear-wave model beneath the rifts of southern Tibet Pleatau is provided in Rift_STB_Vs_model.zip.</p>
Acoustic parameters of Phyllodytes luteolus in conditions of low and high noise from vehicle traffic
<p>Acoustic communication in animals can be affected by multiple biotic (intra and interspecific) and abiotic (e.g., wind and rain) natural noises. In addition, human beings produce additional novel sources of noise, which can reduce or inhibit the reception of acoustic signals by conspecifics, leading to behavioral changes. In this study, we investigated whether sound of conspecifics and road noise additively affect the acoustic parameters of the advertisement call of males of a Yellow Heart-tongued Frog (<em>Phyllodytes luteolus</em>). We hypothesized that males that vocalize in larger choruses (many males) and in areas close to highways (anthropic noise) will increase their temporal and spectral acoustic parameters, respectively, to avoid acoustic signal masking. We recorded the vocalizations of 38 males in environments close (N=18) to and distant (N=20) from highways in different social contexts (many or few individuals in the chorus). Contrary to our expectation, the results indicated that individuals exposed to road noise had lower dominant frequency calls than those from natural areas, and that the density of males in the chorus had no influence on the acoustic parameters. Furthermore, we found a positive relationship between body size and intensity, indicating that larger individuals can emit calls that can reach greater distances. The advertisement call of <em>Phyllodytes luteolus</em> has a high dominant frequency, with little overlap with the frequency of anthropic noises (roads), which may explain its presence and reproductive success of this species in bromeliads from urbanized areas.</p>
Data for Seismic Noise and Subsurface Velocity Characterization for a Unique Bedload Monitoring Observatory in a Dryland Ephemeral Channel
<p>Seismic dataset used in submitted manuscript "Seismic Noise and Subsurface Velocity Characterization for a Unique Bedload Monitoring Observatory in a Dryland Ephemeral Channel".</p>
Data supporting findings for the manuscript: "An Ultra-High Vacuum Scanning Tunneling Microscope with Pulse Tube and Joule-Thomson cooling operating at sub-pm z-noise"
<p>This is the data repository for the manuscript:<br>An Ultra-High Vacuum Scanning Tunneling Microscope with Pulse Tube and Joule-Thomson cooling operating at sub-pm z-noise</p> <p>The data is contained in the zip file.</p> <p>The data is sorted in a folder structure, named after the corresponding images in the manuscript.</p> <p>The raw data and the analysis is given. </p>
Data and analysis for the manuscript VISUAL NOISE EFFECT ON READING IN THREE DEVELOPMENTAL DISORDERS: ASD, ADHD, AND SLD
<p>These are raw data and their analysis for the manuscript VISUAL NOISE EFFECT ON READING IN THREE DEVELOPMENTAL DISORDERS: ASD, ADHD, AND SLD</p>
Figure files for Charge-noise spectroscopy of Si/SiGe quantum dots via dynamically-decoupled exchange oscillations
<p>This repository contains .fig (matlab) files corresponding to the figures in Charge-noise spectroscopy of Si/SiGe quantum dots via dynamically-decoupled exchange oscillations. The raw data are available from the corresponding author upon reasonable request.</p>
simulated data for ASSE verification: noise-free and noisy data
<p>Simulation data of an ultralight aircraft.</p> <p>Data *.mat collects in MAT files all flight data and ASSE coefficients for three manoeuvres:</p> <ol> <li>stall: from 10 s to 40 s</li> <li>AoS sweep: from 80 s to 110 s</li> <li>3211 elevator: from 5 s to 40 s</li> </ol> <p>Data *_noise.mat are the same with uncertainty levels described in https://www.mdpi.com/1436482</p>
Crust and uppermost mantle magma plumbing system beneath Changbaishan intraplate volcano, China/North Korea, revealed by ambient noise adjoint tomography
<p>This dataset contains the original ambient noise cross-correlation data and the final inverted 3D Vs model for our research paper "Crust and uppermost mantle magma plumbing system beneath Changbaishan intraplate volcano, China/North Korea, revealed by ambient noise adjoint tomography", which has been published in <strong><em>Geophysical Research Letters</em></strong> (<a href="https://doi.org/10.1029/2022GL098308">https://doi.org/10.1029/2022GL098308</a>).</p>
Anthropogenic light and noise affect the life histories of female Gryllus veletis field crickets
<p>Adaptive plasticity often offsets the negative effects of rapid environmental change. However, anthropogenic stressors like noise and artificial light at night (ALAN) are often unlike those environments experienced ancestrally, making the resulting responses of individuals potentially maladaptive or less predictable. Further uncertainty stems from few studies exploring how the two anthropogenic stressors may interact to influence individual responses. Here we reared female Gryllus veletis field crickets in traffic noise, ALAN, both, or neither to assess how each environment impacted their development, mating behaviors, and reproductive output. We found modest to no effect of anthropogenic stressors on development time or adult size, but pronounced effects on adult behaviors. Females reared in noise in any capacity were more responsive to advertising males and mated with them faster, and females reared in any anthropogenic stressor retained spermatophores longer. More significantly, any anthropogenic stressor reduced the lifetime fitness of females through reduced oviposition, hatching success, both, or reduced offspring size at hatching. However, we did not find decreased fitness of females reared with both anthropogenic stressors relative to those reared with just one. Our results highlight how novel anthropogenic stressors may impact populations, but whether individuals can adapt may depend on an interplay between development, mating behaviors, and reproductive output. </p>
More than just noise: chance, mating success, and sexual selection
<p>Chance plays a critical but under-appreciated role in determining mating success. In many cases, we tend to think of chance as background noise that can be ignored in studies of mating dynamics. When the influence of chance is consistent across contexts, chance can be thought of as background noise; in other cases, however, the impact of chance on mating success can influence our understanding of how mates are acquired and how sexual selection operates. In particular, when the importance of chance co-varies with biological or ecological factors in a systematic manner— that is when chance becomes consistently more or less important under certain conditions– then chance is important to consider if we want to fully understand the operation of mate acquisition and sexual selection. Here, we present a model that explores how chance co-varies with factors such as sex ratio, adult population size, and mating regime in determining variation in mating success. We find that in some cases, chance co-varies with adult population size and OSR to create variation in mating success. We discuss how chance can influence our more general understanding of the operation of mating dynamics and sexual selection.</p>
Experimentally broadcast ocean surf and river noise alters birdsong structure
<p>Anthropogenic noise and its effects on acoustic communication have received considerable attention in recent decades. Yet, the natural acoustic environment's influence on communication and its role in shaping acoustic signals remains unclear. Using landscape-level playbacks of ocean surf and river noise in coastal and riparian habitat, respectively, we investigated how water-generated noise influences spectral and temporal song characteristics in six songbird species. We recorded individuals defending territories across 37 sites, with each site representing one of four acoustic environments: naturally quiet 'controls', naturally noisy 'positive controls' adjacent to the ocean or a whitewater river, 'phantom' playback sites with continuous broadcast of low-frequency water noise, and 'shifted' playback sites with continuous broadcast of high-frequency water noise. We predicted that song structure would generally correlate with background sound amplitude and that signal features would differ across site types based on the spectral profile of the acoustic environment. No two species altered songs in precisely the same way. However, song structure of all six species varied with amplitude and/or frequency of background noise, providing strong evidence that natural soundscapes influence vocal behavior.</p>
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.