PURR Registry

Interstate Vehicle Miles Travelled and Miles Operating Below 45 mph Dataset

10.4231/QEXR-7W10

Darcy M. Bullock , Deborah Horton , Howell Li , Jairaj Chetas Desai , Jijo K. Mathew , Rahul Suryakant Sakhare

10/30/2023

Total interstate vehicle miles travelled and miles operating below 45 mph for every minute in December 2022 across the contiguous United States categorized by 9 US Geographic Divisions (New England, Middle Atlantic, East North Central, West North Central,

Big Data connected vehicles interstate travel national data vmt

Timelapse of weather, road speeds, INDOT trucks, and salt trails during a winter storm from October 30 to November 1, 2023

10.4231/10SF-PH62

Christopher Michael Gartner , Darcy M. Bullock , Howell Li , Jairaj Chetas Desai , Justin Mahlberg

11/06/2023

This timelapse shows interstate traffic speeds, doppler weather data, telematics data, and salt trail data from Indiana Department of Transportation trucks during a winter storm beginning on October 30 to November 2, 2023.

connect vehicle data JTRP Snowplows Telematics Weather Winter Operations

Wildfires shift a cumulative carbon sink to a source for boreal forest ecosystems in North America from 1986 to 2020

10.4231/4Q4V-MB96

Qianlai Zhuang , Yiming Xu

11/27/2023

TEM model simulation results

Carbon Dynamics soil thermal Terrestrial Ecosystem Model (TEM) Wildfire

How has the concept of resilience been applied in research across forest regions

10.4231/Y7KV-TT50

Bryan Murray , Mary K. Strickland , Michael A Jenkins , Zhao Ma

12/06/2023

These data are from a quantitative literature review that was conducted to understand how the concept of resilience has been applied in forest research across the United States and Territories.

Forest Ecosystem forest management scientific literature

3D Mapping of Trough Migration Paths

10.4231/18M6-GC48

Kris Laferriere

11/30/2023

The dataset contains the data products developed in the mapping of Mars' northern polar spiral troughs. This included 3D depth maps of trough migration paths from radar data, and slope, azimuth, and wavelength measurements for surface troughs.

geomorphology Planetary Science radar

Localization of Urban Trees across the USA with Generative AI

10.4231/7AK0-1P48

Adnan Firoze , Akshaj Uppala , Bedrich Benes , Brady Hardiman , Daniel Aliaga , Lindsay Darling , Raymond Yeh , Songlin Fei

12/12/2023

We use deep learning to provide a novel solution to map all trees on both public and private lands across 330 United States (U.S.) cities. This repository contains the dataset and code base.

Computer Science Computer Vision Ecology Pattern Recognition urban forestry urban tree

Simulations, data, and scripts for Hydrodynamics of bubble flow through a porous medium with applications to packed bed reactors

10.4231/8AJD-2483

Amy M Marconnet , Ivan C. Christov , Pranay Praveen Nagrani

12/15/2023

Zip files containing simulations, data, and post-processing scripts, used to generate the figures in the manuscript "Hydrodynamics of bubble flow through a porous medium with applications to packed bed reactors" by Nagrani, Marconnet...

CFD Fluid Mechanics microgravity multiphase flow NASA packed-bed reactor porous media

Data for Gravity Driven Chemical Dynamics in a Single Fracture

10.4231/657J-V831

Zhenyu Xu , Hongfan Cao , Seonkyoo Yoon , Peter Kang , Young-Shin Jun , Timothy Kneafsey , Julie Sheets , David Cole , Laura J. Pyrak-Nolte

06/02/2023

Fluid mixing and carbonate mineral distributions in fractures are controlled by gravity-driven chemical dynamics. Here, we provide images recorded during miscible reactive and non-reactive flow experiments in a uniform aperture fracture for different fract...

Fractures miscible flow calcium carbonate precipitation fracture inclination CO2 sequestration mixing in a fracture Experimental Tests Simulations

Challenge Data Set for the Damage Mechanics Challenge

10.4231/ZX5A-QJ30

Liyang Jiang , Laura J. Pyrak-Nolte , Antonio Bobet , Hongkyu Yoon , Joseph Morris

04/11/2023

This data set includes load-displacement data, X-ray tomographic images, Digital Image Correlation data and surface roughness data for the Challenge geometry. The experimental methods are the same as those described for the Calibration data set (see: Jia...

Fractures brittle fracture 3D Xray Tomographic Images of Fractures Digital Image Correlation during Fracturing Fracture Geometry Fracture Mechanics Geomechanics phase field method discrete element method

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Total is 119 Results