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124 results for “Chirp”
Prediction of the time-domain chirp response at El Castillo
<p>WAV file of the simulated time-domain chirp response of the El Castillo pyramid to an impulsive point excitation, using a ray model and a numerically computed trapped mode dispersion curve.</p>
LeConte Bay CHIRP Subsurface Data
<p><strong>CHIRP subsurface seismic data</strong><br> These data are raw .sgy and .xys files of CHIRP subsurface data collected from LeConte Bay, AK in September 2017. More than 45 km of sub-bottom sonar profiles were acquired across- and along-fjord using an Edgetech 3100 CHIRP profiler. Energetics of the fjord were weak and minimal noise was introduced by surface gravity waves. Parabolic artifacts from the steep fjord walls were manifest in the water column and were not removed. Parabolic features observed subsurface typically represented artifacts created by surfaces of greater density.</p> <p>A .nc (netcdf) file of aggregated xy location data and other metadata is also included for ease in viewing data extents.</p> <p> </p> <p>Reference and more details: Eidam, E.F., Sutherland, D.A., Duncan, D., Kienholz, C., Amundson, J.M., Motyka, R.J. Morainal bank evolution and impact on terminus dynamics during a tidewater glacier stillstand. In revision for JGR-Earth Surface, August 2020.</p>
Data from: The metabolic costs of sexual signalling in the chirping katydid Plangia graminea (Serville) (Orthoptera: Tettigoniidae) are context dependent: cumulative costs add up fast
Katydids produce acoustic signals via stridulation which they use to attract conspecific females for mating. However, direct estimates of the metabolic costs of calling to date have produced diverse cost estimates and are limited to only a handful of insect species. In this study, we therefore investigated the metabolic cost of calling in a unstudied sub-Saharan katydid, Plangia graminea. Using wild-caught animals, we measured katydid metabolic rate using standard flow-through respirometry while simultaneously recording the number of calls produced. Overall, the metabolic rate during calling in P. graminea males was 59% higher than the resting metabolic rate (0.443±0.056 vs. 0.279±0.028 CO2 ml g−1 h−1) although highly variable among individuals. While individual call costs were relatively inexpensive (ranging from 0.02–5.4% increase in metabolic rate per call) the individuals with cheaper calls called more often and for longer than those with expensive calls resulting in the former group having significantly greater cumulative costs over a standard amount of time (9.5 h). The metabolic costs of calling are however context dependent since the amount of time spent calling greatly influenced these costs in our trials. A power law function described this relationship between cumulative cost and percentage increase per call (y=130.21x−1.068, R2=0.858); where y=cumulative cost, and x=percentage increase per call. The choice of metric employed for estimating energy costs (i.e. how costs are expressed) also affects the outcome and any interpretation of costs of sexual signalling. For example, the absolute, relative and cumulative metabolic costs of calling yield strongly divergent estimates and any fitness implications depend on the organism's energy budget and the potential trade-offs in allocation of resources that are made as a direct consequence of increased calling effort.
Chirped Bloch-harmonic oscillations in a parametrically forced optical lattice
<p>Dataset and codes of the publication "Chirped Bloch-harmonic oscillations in a parametrically forced optical lattice" by Usman Ali, Martin Holthaus, and Torsten Meier,<br>published in PHYSICAL REVIEW RESEARCH 5, 043152 (2023)<br>( <a href="https://doi.org/10.1103/PhysRevResearch.5.043152">https://doi.org/10.1103/PhysRevResearch.5.043152</a> )</p>
Experimental data and processing scripts of chirp ENDOR spectra
<p>Experimental data and MATLAB processing scripts for the manuscript:<br><br>"Increased sensitivity in Electron Nuclear Double Resonance spectroscopy with chirped radiofrequency pulses"</p>
FIGURE 2 in Genetic variation among populations of, and evidence of deep divergence within, the Rio Grande Chirping Frog, Eleutherodactylus campi (Anura Eleutherodactylidae)
FIGURE 2. Phylogenetic tree based on Bayesian analysis of mitochondrial 16S rRNA gene sequences. Numbers above nodes are ML Bootstrap (before the slash) and Bayesian Posterior probability (after the slash) values. Numbers below branch nodes correspond to mean divergence date estimates in millions of years. Node bars indicate 95% HPD associated with divergence dates whereas the scale bars indicate time in million years.
FIGURE 1 in Genetic variation among populations of, and evidence of deep divergence within, the Rio Grande Chirping Frog, Eleutherodactylus campi (Anura Eleutherodactylidae)
FIGURE 1. Eleutherodactylus campi in life, found under a palm log at the edge of a parking lot (Image by Jake M. Scott)."
Relationship Between LS Chirp ABR and Speech-in-Noise Skills in Hidden Hearing Loss
ClinicalTrials.gov study NCT07230236. IPD Sharing: NO. Countries: 1. Publications: 7.
ZAP affects Zika virus RNA interactome - Table S1-ChIRP-MS data
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Data from: The metabolic costs of sexual signalling in the chirping katydid Plangia graminea (Serville) (Orthoptera: Tettigoniidae) are context dependent: cumulative costs add up fast
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Chirp Project Data
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Figs 11-13 from: Collins N, Coronado González IM, Govaerts BVA (2019) Oecanthus mhatreae sp. nov. (Gryllidae: Oecanthinae): A new species of tree cricket from Mexico, with an irregular song pattern and unique chirp-like trill configuration. Journal of Orthoptera Research 28(2): 137-143. https://doi.org/10.3897/jor.28.33781
Figs 11-13 Oecanthus mhatreaesp. nov.: 11. Abdomen pattern of 3rd instar nymph. 12. Female 4th or 5th instar nymph. 13. Male 4th or 5th instar nymph.
Fig 18 from: Collins N, Coronado González IM, Govaerts BVA (2019) Oecanthus mhatreae sp. nov. (Gryllidae: Oecanthinae): A new species of tree cricket from Mexico, with an irregular song pattern and unique chirp-like trill configuration. Journal of Orthoptera Research 28(2): 137-143. https://doi.org/10.3897/jor.28.33781
Fig 18 Calling song recording of O. mhatreaesp. nov. at 17°C. The clip was amplified to highlight the background song. This 30-sec clip shows the irregularly spaced O. mhatreaesp. nov. chirps at a rate of 28 pulses per minute with a yet to be determined chirping species in the background with a highly regular pattern at a rate of 100 chirps per minute.
Figs 6-9 from: Collins N, Coronado González IM, Govaerts BVA (2019) Oecanthus mhatreae sp. nov. (Gryllidae: Oecanthinae): A new species of tree cricket from Mexico, with an irregular song pattern and unique chirp-like trill configuration. Journal of Orthoptera Research 28(2): 137-143. https://doi.org/10.3897/jor.28.33781
Figs 6-9 Oecanthus mhatreaesp. nov.: 6. Singing male showing buffy pronotum (on native plant Dasilyrion parryanum Trel.). 7. Adult female showing blotching on ventral abdomen. 8. Metanotal gland. 9. Stridulatory file and teeth.
Fig 17 from: Collins N, Coronado González IM, Govaerts BVA (2019) Oecanthus mhatreae sp. nov. (Gryllidae: Oecanthinae): A new species of tree cricket from Mexico, with an irregular song pattern and unique chirp-like trill configuration. Journal of Orthoptera Research 28(2): 137-143. https://doi.org/10.3897/jor.28.33781
Fig 17 Audio recording of the calling song of O. mhatreaesp. nov. at 17°C showing a carrier frequency of slightly above 2.6 kHz.
Figs 1-5 from: Collins N, Coronado González IM, Govaerts BVA (2019) Oecanthus mhatreae sp. nov. (Gryllidae: Oecanthinae): A new species of tree cricket from Mexico, with an irregular song pattern and unique chirp-like trill configuration. Journal of Orthoptera Research 28(2): 137-143. https://doi.org/10.3897/jor.28.33781
Figs 1-5 Oecanthus mhatreaesp. nov.: 1. Light brown male. 2. Light olive tone male. 3. Adult female head and pronotum. 4. Antennal markings on holotype male. 5. Antennal markings on paratype female.
Figs 14-16 from: Collins N, Coronado González IM, Govaerts BVA (2019) Oecanthus mhatreae sp. nov. (Gryllidae: Oecanthinae): A new species of tree cricket from Mexico, with an irregular song pattern and unique chirp-like trill configuration. Journal of Orthoptera Research 28(2): 137-143. https://doi.org/10.3897/jor.28.33781
Figs 14-16 Waveforms of the calling song of O. mhatreaesp. nov. at 17°C: 14. Chirping for 15 seconds. 15. Three chirps. 16. A single chirp (0.5 sec duration) with 26 ungrouped pulses.
Fig 19 from: Collins N, Coronado González IM, Govaerts BVA (2019) Oecanthus mhatreae sp. nov. (Gryllidae: Oecanthinae): A new species of tree cricket from Mexico, with an irregular song pattern and unique chirp-like trill configuration. Journal of Orthoptera Research 28(2): 137-143. https://doi.org/10.3897/jor.28.33781
Fig 19 Comparisons of song patterns, single chirps and single bursts of trilling. O. mhatreaesp. nov. recorded in Querétaro. All remaining recordings in library of NC. Oecanthus leptogrammus and O. allardi recorded in Nicaragua; remaining species recorded in the United States.
Sounder SIPS: Sun Synchronous 13:30 orbit Climate Hyperspectral InfraRed Product (CHIRP): Calibrated Radiances from EOS-Aqua, V2 (SNDR13CHRP1AQCal) at GES DISC
The Climate Hyperspectral Infrared Radiance Product (CHIRP) is a Level 1 radiance product derived from Atmospheric Infrared Sounder (AIRS) on EOS-AQUA and the Cross-Track Infrared Sounders (CrIS) on the SNPP and JPSS-1+ platforms. (JPSS-1 is also called NOAA-20). CHIRP provides a consistent spectral response function (SRF) across all instruments. Inter-instrument radiometric offsets are removed with SNPP-CrIS chosen as the "standard". CHIRP follows the original instrument storage, i.e., granule in, granule out, and contains all information needed for retrievals (including cross-track, along-track, fov id, etc.). This version of CHIRP, SNDR13CHRP1AQCal, only contains CHIRP data derived from the AIRS instrument on EOS-AQUA that is not present in the main CHIRP product, SNDR13CHRP1, and therefore starts on Sept. 1, 2016 and will continue until the AIRS end of mission.
Sounder SIPS: Sun Synchronous 13:30 orbit Climate Hyperspectral InfraRed Product (CHIRP): Calibrated Radiances from JPSS-1/NOAA-20, V2 (SNDR13CHRP1J1Cal) at GES DISC
The Climate Hyperspectral Infrared Radiance Product (CHIRP) is a Level 1 radiance product derived from Atmospheric Infrared Sounder (AIRS) on EOS-AQUA and the Cross-Track Infrared Sounders (CrIS) on the SNPP and JPSS-1+ platforms. (JPSS-1 is also called NOAA-20). CHIRP provides a consistent spectral response function (SRF) across all instruments. Inter-instrument radiometric offsets are removed with SNPP-CrIS chosen as the "standard". CHIRP follows the original instrument storage, i.e., granule in, granule out, and contains all information needed for retrievals (including cross-track, along-track, fov id, etc.). This version of CHIRP, SNDR13CHRP1J1Cal, contains CHIRP data derived from the JPSS-1 (NOAA-20) CrIS instrument that is not present in the main CHIRP product, SNDR13CHRP1, which include JPSS-1 data from February 17, 2018 through August 31, 2018.
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