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Downdrafts of biomass burning to Houston enhanced by local convective activity
No full textselect air quality parameters for June 2023 for three sites in Houston-Galveston, Texas
1. aerosol optical data including absorption and scattering coefficients, AAE and SAE
2. trace gas including CO, ozone, NO and NO2
The site coordinates for the data are:
Aldine (urban site) (29.901152, -95.326179)
Galveston (coastal site) (29.254426, -94.861399)
Liberty (rural site) (30.096691, -94.763608
Community Embedded Robotics: A Dataset to Study Perceived Social Intelligence and Safety During Unexpected Encounters with Quadrupedal Robots
No full text
Description
This dataset derives from an interdisciplinary experiment designed to investigate perceived social intelligence (PSI) and perceived safety (PS) in the context of human-robot unexpected encounters in three scenarios motivated from the literature; (1) stop and back off: when the robot sees the person, it stops where it is before backing off and moving out of the participant’s way; (2) stop: when the robot sees the person it stops in place; and (3) efficiency: this behavior reflects many social navigation techniques that continues uninterrupted while treating the person as a dynamic obstacle to be avoided
The research questions that were investigated in this work were:
How arePSI and PS related? Are higher levels of PSI associated with higher feelings of safety?
Are the statistical evaluations of PSI and PS representative of participants' feelings about these concepts during interview discussions?
How does the back-off behavior compare to the stop and efficiency behaviors with respect to PSI and PS during unanticipated crossings? (e.g. around corners, doorways, stairs).
The experiments investigated the three aforementioned human robot encounter scenarios and manipulated the autonomous robot behavior at the moment of those crossings. The experiments were performed in a wizard of oz manner, wherein a study member controls the robot from afar while the participant believes the robot is behaving autonomously. The behaviors tested were (1) the stop and back off (BO), (2) the stop in place (ST), and (3) to continue uninterrupted and treat the person as a dynamic obstacle, which we call efficiency (EFF). Time lapses of each of the three robot behaviors, shown in one of the three unexpected crossing scenarios are shown in the above figure
The study was run in two parts. First, we performed a (N=286) between-subject online video study, in which participants see a first person view video of a person in all three scenarios under one of the three behavior conditions. Along with demographic and personality characteristics, participants took a post-video survey of four Perceived Social Intelligence (PSI) Scales and Perceived Safety, taken from the Godspeed Questionnaire. The four PSI scales used are Social Competence, Identifies Humans, Rudeness, and Trustworthiness.
The second part of the study involved a (N=24) within-subject laboratory experiment where participants cross the robot in all three scenarios under each of the three robot behavior conditions. After encountering each behavior, the participants take the same survey used in the online video study. The purpose of this was to validate the low ecological validity, but high statistical power online video study results using a lower power, higher ecological validity laboratory study of crossings. In the laboratory study, participants were also interviewed to learn about their in depth perceptions and experiences during the robot encounters. Specifically, we interviewed them for 30-45 minutes following the experimental encounters and discussed PSI and PS and how they related to the robot’s behaviors. Particularly, the goal was to augment the statistical relationship between PSI and PS with a qualitative model that connects these two key factors used to evaluate perceptions of mobile robots.
The impact of this work and dataset is in the novelty of the human robot crossing scenarios investigated. Particularly, existing works in crossings in hallways, elevators or doorways are not designed to investigate unexpected crossings as studied here. Furthermore, this study utilizes a quadrupedal robot (Boston Dynamics Spot robot), which differs from many existing studies using various wheeled robots, including the Pepper robot or various autonomous robots.
This dataset provides all of the information necessary to enable the replication of the experiment The dataset can be used to study unexpected crossing scenarios between humans and robots at blind corners, blind doorways, and corners on stairwells. Particularly, the videos can be used to analyze path behavior and body language behavior from the participants in the experiments, which may offer valuable insights beyond the statistical and interview results presented in the accompanying paper.
Please, refer to the enclosed Data Report for more information about the data collection process
Dataset Contents
Research Instruments
Pre Experiment Questionnaire [PDF - 21KB]. This set of questions include Ten Item Personality Index and Demographic information about the participants and is taken before any robot stimulus.
Post Stimulus Questionnaire [PDF - 87KB]. This set of questions was taken after encountering the robot in each of the three experimental scenarios, under one of the three robot behaviors. Thus, it was taken one time by each participant in the online video study and three times by each participant in the real world laboratory experiment.
Semi Structured Interview Protocol [PDF - 104KB]. This was a list of questions that the research members used in interviews with participants in the real world laboratory study. They enabled the investigation into the perceptions and feelings of safety and social intelligence during the experimental encounters.
Online Video Study Dataset
Raw Survey Data [CSV - 100KB]. Contains the responses to the pre-experiment questionnaire and post-stimulus questionnaire in the online video study. Participant responses to the pre-experiment questionnaire are given in rows A-N for all participants. Participant responses to the post-stimulus questionnaire are given in columns O-Z or AA-AL or AM-AX, depending on which robot behavior was seen.
Robot Videos: Back-off robot behavior [MP4 - 8.6MB], Efficiency robot behavior [MP4 - 6.4MB], Stop robot behavior [MP4 - 7.4MB]. These are the video stimuli used in the online study. Each video shows the Boston Dynamics Spot performing one of the three behaviors in each of the scenarios.
Lab Experiment Study Dataset
Raw Survey Data [CSV - 13.5KB]. Contains the responses to the pre-experiment questionnaire and post-stimulus questionnaire in the online video study. Participant responses to the pre-experiment questionnaire are given in rows A-N for all participants. Notably, Column C of the document shows the order of behaviors seen by participants while Row 30, Columns B-D explain the meaning of the values in Column C for each participant. Columns Q-AB were the responses to the first behavior stimulus; Columns AC-AN were the responses to the second behavior; Columns AQ-AZ were the responses to the final behavior.
Human Robot Videos. This folder contains a sub-folder for each of the 24 participants. Under each participant are 9 videos, which are de-identified videos of each of the 9 crossing scenarios between the human and the Boston Dynamics Spot.
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Historical Remote Sensing Analysis of Dust Bowl Drought in Kansas: Corrected and Georeferenced 1936 Aerial Photographs
No full textThis dataset includes a collection of corrected and georeferenced overlapping first-generation aerial photographs from 1936, created to support the study "Historical Remote Sensing Analysis of Dust Bowl Drought in Kansas." The original images have been processed to correct distortions and aligned using georeferencing techniques, producing an accurate and seamless spatial representation of Hamilton County, Kansas.
The overlapping nature of the photographs allows for stereo interpretation and enhanced visual analysis, making it possible to extract terrain features and assess land surface conditions in greater detail. This dataset is particularly valuable for evaluating land use changes, land degradation and vegetation patterns, and environmental impacts in regions historically affected by Dust Bowl drought conditions.
Images are provided in GeoTIFF format, suitable for GIS applications, historical land cover analysis, and temporal change detection
National Women’s Conference Delegates and Alternates from Texas
No full textThis dataset includes thorough information about the 63 delegates and alternates who represented the state of Texas at the National Women’s Conference. Categories of data included are the following: biographical, race and ethnicity, education and career, political participation, organizational leadership, organizational membership, role at the National Women’s Conference, and position on the conference planks.
Data was researched by undergraduate and graduate students at the University of Houston. Two more graduate students cleaned and verified the data, and a faculty lead provided a final check for accuracy before publication.
We derived quantitative and qualitative information to build this dataset, which includes a total of 10,204 datapoints.
Where possible data entry uses controlled vocabularies explained in the project Codebook.
In addition to the quantitative and qualitative data, the dataset includes a bibliography of research sources used to compile the data.
If you decide to use the data for your own project, please do cite it using the information above. If you identify errors or missing sources, please contact us so that these can be addressed
3D-Printed Micropore Evaporator for Increasing Concentration of Analytes in Aqueous Solutions
No full textData used for analysis and figures in the paper "3D-Printed Micropore Evaporator for Enhancing Analyte Concentration in Aqueous Solutions.
Data for “Presynaptic vesicles supply membrane for axonal bouton enlargement during LTP”
No full text3DEM dataset acquired from adult rat hippocampal area CA1 (stratum radiatum), used for the paper entitled "Presynaptic vesicles supply membrane for axonal bouton enlargement during LTP". This dataset consists of the following 3 parts: (1) serial section EM images and series files (.jser) for each series for analysis using PyReconstruct software; (2) Blender files containing 3D objects and bouton measurements; and (3) spreadsheets and statistics files summarizing quantitative data extracted from image analysis that were used in the figures and manuscript. Original code used for analyses are also included. These files are available for download from the following link: https://3dem.org/public-data/tapis/public/cloud.data/corral-repl/projects/NeuroNex-3DEM/Public/2025_Kirk_Axon
Replication Data for: Strike-Slip Motion in the Himalaya: Implications for Collisional Dynamics
No full textThis dataset contains GIS data mapping and classifying documented lineaments and strike-slip faults within the Cenozoic Himalayan orogen. The mapped structures are grouped into three primary categories: (1) orogen-parallel or subparallel strike-slip faults; (2) cross-cutting or transverse lineaments oriented northwest-southeast and northeast-southwest; and (3) tear faults that intersect the active, range-bounding Main Frontal Thrust and define salient and recess boundaries. These features may represent reactivated or inherited structures that influence the current stress field, similar to other intraplate strike-slip systems.
Included in the dataset are shapefiles and geospatial attributes for each lineament or fault, with reference to original published sources. Preliminary spatial analysis indicates that earthquake epicenters (Mw ≥ 5) often occur at or near intersections of these lineaments with each other or with major Himalayan fault systems. For example, the Mw 7.8 Gorkha earthquake (25 April 2015, 06:11:25 UTC) occurred near the intersection of the Main Central Thrust (MCT) with either two unnamed lineaments (USGS catalog) or the Thaple lineament (NEIC catalog). Notably, its Mw 7.3 (12 May 2015, 07:05:19 UTC) and Mw 6.7 (26 April 2015, 07:09:10 UTC) aftershocks are located near the intersection of the MCT with the Gaurishankar lineament.
This dataset is intended to support ongoing efforts to refine structural models of Himalayan tectonics and should be considered in future seismic hazard assessments. All features are georeferenced and suitable for integration into ArcGIS or other GIS platforms.
This dataset was developed with support from the UT Libraries Map & Geospatial Collections Explorer (MGCE) Fellowship
Bioactive, PDMS-containing shape memory composite scaffolds with accelerated degradation rates
No full textA self-fitting scaffold could enable a regenerative engineering approach to treat irregular craniomaxillofacial (CMF) bone defects. We have previously reported conformally fitting, shape memory polymer (SMP) scaffolds based on poly(ε-caprolactone) (PCL). The fitting temperature (i.e., melt temperature, Tm) was tuned based on PCL architecture: linear-PCL-diacrylate (linear-PCL-DA; Tm = ∼55 °C) or star-PCL-tetraacrylate (star-PCL-TA, Tm = ∼45 °C). Scaffolds were also formed as semi-interpenetrating networks (semi-IPNs) by incorporating thermoplastic poly(L-lactic acid) (PLLA). The inclusion of a polydimethylsiloxane-dimethacrylate (PDMS-DMA) macromer and 45S5 Bioglass® (BG) were independently shown to promote hydroxyapatite (HAp) mineralization, as well as to accelerate degradation. In this study, PDMS-containing, composite SMP scaffolds were prepared with varying macromer compositions and BG concentrations. PCL/PDMS co-matrix scaffolds were formed with either linear-PCL-DA or star-PCL-TA, and PDMS-DMA (75:25 wt%). PCL/PLLA/PDMS (75:12.5:12.5 wt%) co-matrix-semi-IPNs were also formed. BG was included at relatively low concentrations (5 and 10 wt%). Composite scaffolds were fabricated to concentrate BG on the pore walls via a modified solvent-cast particulate leaching (SCPL) approach with a fused salt/BG template. PDMS-containing scaffolds preserved shape memory behavior and were non-brittle. In vitro degradation rates were accelerated for PDMS-containing composite scaffolds, owing to a combination of phase separation of polymer components and hydrophilicity imparted by the BG. Additionally, robust bioactivity was observed for PDMS-containing composite scaffolds with HAp mineralization commencing in just 1 day (1X simulated body fluid; SBF)
NSF COLDEX 2023-24 Level 2 Basal Specularity Content Profiles
No full text Introduction
The National Science Foundations Center for Oldest Ice Exploration (NSF COLDEX) is a Science and Technology Center working to extend the record of atmospheric gases, temperature and ice sheet history to greater than 1 million years. As part of this effort, NSF COLDEX has been searching for a site for a continuous ice core extending through the mid-Pleistocene transition. Two seasons of airborne survey were conducted from South Pole Station across the southern flank of Dome A.
2023-2024 Field Season
In the 2023-2024 field season (CXA2), and using a BT-67 Basler, NSF COLDEX conducted 17 flights from South Pole Station toward the southern flank of Dome C. Three test flights were conducted from McMurdo Station. Instrumentation included the 60 MHz MARFA ice penetrating radar from the University of Texas Institute for Geophysics, a UHF ice penetrating radar from the Center for Remote Sensing and Integrated Systems; an GT-2 Gravimeter, and LD-90 laser altimeter and an G-823 Magnetometer.
Basal specularity content
These basal specularity content were derived from comparing 1D and 2D focused MARFA data (Peters et al., 2007). By comparing bed echo strengths for different focusing apertures, and accounting for the ranges and angles involved, we can derive the "specularity content" of the bed echo, a proxy for small scale bed roughness and a good indicator for subglacial water pressure in regions of distributed subglacial water (Schroeder et al., 2014, IEEE GRSL , Dow et al., 2019, EPSL ) and smooth deforming bed material (Schroeder et al., 2014, GRL, Young et al., 2016, PTRS. Specularity data are inherently noisy, so these products have been smoothed with a 1 km filter.</p
Kinetic dissection of pre-crRNA binding and processing by CRISPR-Cas12a
No full textCRISPR-Cas12a binds and processes a single pre-crRNA during maturation, providing a simple tool for genome editing applications. Here, we constructed a kinetic and thermodynamic framework for pre-crRNA processing by Cas12a in vitro, and we measured the contributions of distinct regions of the pre-crRNA to this reaction. We find that the pre-crRNA binds rapidly and extraordinarily tightly to Cas12a (K d = 0.6 pM), such that pre-crRNA binding is fully rate limiting for processing and therefore determines the specificity of Cas12a for different pre-crRNAs. The guide sequence contributes 10-fold to the binding affinity of the pre-crRNA, while deletion of an upstream sequence has no significant effect. After processing, the mature crRNA remains very tightly bound to Cas12a with a comparable affinity. Strikingly, the affinity contribution of the guide region increases to 600-fold after processing, suggesting that additional contacts are formed and may preorder the crRNA for efficient DNA target recognition. Using a direct competition assay, we find that pre-crRNA-binding specificity is robust to changes in the guide sequence, addition of a 3' extension, and secondary structure within the guide region. However, stable secondary structure in the guide region can strongly inhibit DNA targeting, indicating that care should be taken in crRNA design. Together, our results provide a quantitative framework for pre-crRNA binding and processing by Cas12a and suggest strategies for optimizing crRNA design in genome editing applications