Data consists largely of UV-VIs spectra, both raw and analyzed, that were used to calibrate the relevant sensor. A more detailed description of individual files' contents can be found in the ReadMe word document.
Bacteria live in a broad range of environmental temperatures that require adaptations of their RNA sequences to maintain function. Riboswitches are regulatory RNAs that change conformation upon binding of typical metabolite ligands to control bacterial gene expression. The paradigmatic small class-I preQ1 riboswitches from the mesophile Bacillus subtilis (Bsu) and the thermophile Thermoanaerobacter tengcongensis (Tte) adopt similar pseudoknot structures when bound to preQ1. Here, we use single-molecule detected chemical denaturation by urea to compare the thermodynamic and kinetic folding properties of the two riboswitches, and the urea-countering effects of trimethylamine N-oxide (TMAO). This data includes the experimental findings and associated analyses detailed in the research article titled "Single-molecule FRET observes opposing effects of urea and TMAO on structurally similar meso- and thermophilic riboswitch RNAs". The data consists of multiple zip files, each representing an experiment that corresponds to the key results in the publication. Each experiment includes movies, qualifying smFRET trajectories, and analysis files related to various conditions within that experimental group.
This dataset includes a catalog of events for the Prague, Oklahoma earthquake sequence with uncalibrated and calibrated relative magnitudes that are a product of the relative magnitude method (see Gable & Huang, submitted).
Original earthquake catalog records for the combined catalog used in this analysis and the events used in the relative magnitude to absolute magnitude calibration process are a product of the following studies:
Cochran, E.S., et al. (2020). Activation of optimally and unfavourably oriented faults in a uniform local stress field during the 2011 Prague, Oklahoma, sequence. Geophysical Journal International, 222(1), pp. 153-168. https://doi.org/10.1093/gji/ggaa153
Skoumal, R.J., M.R. Brudzinski, B.S. Currie, & R. Ries (2020). Temporal patterns of induced seismicity in Oklahoma revealed from multi-station template matching. Journal of Seismology, 24, pp. 921-935. https://doi.org/10.1007/s10950-019-09864-9
Sumy, D.F., et al. (2014). Observations of static Coulomb stress triggering of the November 2011 M5.7 Oklahoma earthquake sequence. Journal of Geophysical Research: Solid Earth, 119(3), 1904-1923. https://doi.org/10.1785/0120210115
Data used in the paper "Theory of Magnetic Switchbacks Fully Supported by Parker Solar Probe Observations" by G. Toth, M. Velli and B. van der Holst, ApJ 2023.
The Observations directory contains the PSP observations as simple text files that can be easily read by the IDL macros in the BATSRUS/share/IDL/General/ or any other plotting software.
The Simulations directory contains BATSRUS simulations including input and output files. The runlog files show the Git references. The output files are in binary format that can be read by the IDL macros in the BATSRUS/share/IDL/General/ or with the SpacePy software.
The BATSRUS directory contains the source code that can be used to reproduce the simulations.
G. Toth, M. Velli, B. van der Holst, 2023, Theory of Magnetic Switchbacks Fully Supported by Parker Solar Probe Observations, The Astrophysical Journal, in press
As part of the Flaring & Fossil Fuels: Uncovering Emissions & Losses (F3UEL) project, in 2022 the aircraft measurement platform sampled offshore oil & gas facilities in the US Gulf of Mexico to quantify facility-level emissions using the approach detailed in Conley et al. (2017). Vertical profiles were conducted on each flight to capture the vertical structure and mixing depths of the atmosphere. The data file contains all merged flight data from each flight day.
Reference: Conley, S., Faloona, I., Mehrotra, S., Suard, M., Lenschow, D. H., Sweeney, C., Herndon, S., Schwietzke, S., Pétron, G., Pifer, J., Kort, E. A., and Schnell, R.: Application of Gauss’s theorem to quantify localized surface emissions from airborne measurements of wind and trace gases, Atmos. Meas. Tech., 10, 3345 – 3358, 2017.
Single molecule data and analysis code for Figure4 in the paper titled: "A rhythmically pulsing leaf-spring DNA-origami nanoengine that drives a passive follower".
Follow the readme file for deiails.
This research was completed to statistically validate that a data-model refinement technique could integrate real measurements to remove bias from physics-based models via changing the forcing parameters such as the thermal conductivity coefficients.
Ponder, B. M., Ridley, A. J., Goel, A., & Bernstein, D. S. (2023). Improving forecasting ability of GITM using data-driven model refinement. Space Weather, 21, e2022SW003290. https://doi.org/10.1029/2022SW003290
This is the model and observational data referenced in our manuscript entitled “surface and sub-subsurface internal gravity wave kinetic energy spectra from global ocean models and observations.” The model data for the 7 regions from the two global simulations (HYCOM and MITgcm) can be found here.
We present a comprehensive statistical analysis of high-frequency transient-large-amplitude
(TLA) magnetic perturbation events that occurred at 12 high-latitude ground magnetometer
stations throughout solar cycle 24 from 2009 to 2019. TLA signatures are defined as one or
more second-timescale dB/dt interval with magnitude ≥ 6 nT/s within
an hour event window. This study characterizes high-frequency TLA events based on their spatial
and temporal behavior as well as relation to auroral substorms, geomagnetic storm phases and
nighttime geomagnetic disturbance events events (GMD). We show that TLA events occur primarily
at nighttime and solely in the high-latitude region above 60 degrees geomagnetic latitude. The
largest TLA events occurred more often in the declining phase of the solar cycle when solar
wind velocity was higher and ring current activity was lower, suggesting association to
high-speed flows caused by coronal holes and subsequent corotating interaction regions reaching
Earth. TLA perturbations often occurred preceding or within the most extreme nighttime
geomagnetic disturbance (GMD) events with 5-10 minute timescales, but the TLA intervals were
often even more localized than the ~300 km effective radius of GMDs:
occurring at only some of the stations at which GMDs occurred. We show that TLA-related GMD
events can result from dipolarization fronts in the magnetotail and fast flows toward Earth
and are closely temporally associated to poleward boundary intensifications (PBI) and auroral
streamers. The highly localized behavior and connection to the most extreme GMD events suggests
that TLA intervals are a ground manifestation of the features within rapid and complex
ionospheric structures that can drive GICs.
McCuen, B. A., Moldwin, M. B., Engebretson, M. J., Weygand, J. G., Nishimura, Y. (2023). A Statistical Analysis of High-frequency Transient-Large-Amplitude Geomagnetic Disturbance. [To be submitted to] Journal of Geophysical Research: Space Physics
Reconstructed CT slices for tooth in bone fragment of Colognathus obscurus (University of Michigan Museum of Paleontology catalog number UMMP 7506) as a series of TIFF images. Raw projections are not included in this dataset. The reconstructed slice data from the scan are offered here as a series of unsigned 16-bit integer TIFF images. The upper left corner of the first image (*_0000.tif) is the XYZ origin.