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Articles 1 - 9 of 9
Full-Text Articles in Civil Engineering
Assessing Data Availability And Research Reproducibility In Hydrology And Water Resources, James H. Stagge, David E. Rosenberg, Adel M. Abdallah, Hadia Akbar, Nour A. Atallah, Ryan James
Assessing Data Availability And Research Reproducibility In Hydrology And Water Resources, James H. Stagge, David E. Rosenberg, Adel M. Abdallah, Hadia Akbar, Nour A. Atallah, Ryan James
Civil and Environmental Engineering Faculty Publications
There is broad interest to improve the reproducibility of published research. We developed a survey tool to assess the availability of digital research artifacts published alongside peer-reviewed journal articles (e.g. data, models, code, directions for use) and reproducibility of article results. We used the tool to assess 360 of the 1,989 articles published by six hydrology and water resources journals in 2017. Like studies from other fields, we reproduced results for only a small fraction of articles (1.6% of tested articles) using their available artifacts. We estimated, with 95% confidence, that results might be reproduced for only 0.6% to 6.8% …
Advancing Distributed Data Management For The Hydroshare Hydrologic Information System, Hong Yi, Ray Idaszak, Michael Stealey, Chris Calloway, Alva L. Couch, David G. Tarboton
Advancing Distributed Data Management For The Hydroshare Hydrologic Information System, Hong Yi, Ray Idaszak, Michael Stealey, Chris Calloway, Alva L. Couch, David G. Tarboton
Civil and Environmental Engineering Faculty Publications
HydroShare (https://www.hydroshare.org) is an online collaborative system to support the open sharing of hydrologic data, analytical tools, and computer models. Hydrologic data and models are often large, extending to multi-gigabyte or terabyte scale, and as a result, the scalability of centralized data management poses challenges for a system such as HydroShare. A distributed data management framework that enables distributed physical data storage and management in multiple locations thus becomes a necessity. We use the iRODS (Integrated Rule-Oriented Data System) data grid middleware as the distributed data storage and management back end in HydroShare. iRODS provides a unified virtual file system …
Design Of A Metadata Framework For The Environmental Models With An Example Hydrologic Application In Hydroshare, Mohamed M. Morsy, Jonathan L. Goodall, Anthony M. Castronova, Pabitra Dash, Venkatesh Merwade, Jeffrey M. Sadler, Mohammad Adnan Rajib, Jeffery S. Horsburgh, David G. Tarboton
Design Of A Metadata Framework For The Environmental Models With An Example Hydrologic Application In Hydroshare, Mohamed M. Morsy, Jonathan L. Goodall, Anthony M. Castronova, Pabitra Dash, Venkatesh Merwade, Jeffrey M. Sadler, Mohammad Adnan Rajib, Jeffery S. Horsburgh, David G. Tarboton
Civil and Environmental Engineering Faculty Publications
Environmental modelers rely on a variety of computational models to make predictions, test hypotheses, and address specific problems related to environmental science and natural resource management. Scientists and engineers must devote significant effort to preparing these computational models. While significant attention has been devoted to sharing and reusing environmental data, less attention has been devoted to sharing and reusing environmental models. A first step toward increasing environmental model sharing and reuse is to define a general metadata framework for models that is flexible and, therefore, applicable across the wide variety of models used by environmental modelers. This paper proposes a …
Hydroshare Gis: Visualizing Spatial Data In The Cloud, Shawn Crawley, Daniel P. Ames, Zhiyu Li, David G. Tarboton
Hydroshare Gis: Visualizing Spatial Data In The Cloud, Shawn Crawley, Daniel P. Ames, Zhiyu Li, David G. Tarboton
Civil and Environmental Engineering Faculty Publications
Cloud-based data management systems are more conducive to collaborative efforts when they are integrated with cloud-computing tools that interact with their stored data. HydroShare, a web based data management system for climate and water data, has implemented an Application Programming Interface and a web application platform deployed using Tethys Platform to encourage the development of apps that interact with its data. HydroShare GIS is the result of one such development effort to provide cloud-based visualization of spatial data stored in HydroShare. It functions by accessing the spatial metadata contained within the HydroShare resource data model and overlaying datasets as layers …
A Tool For Downscaling Weather Data From Large-Grid Reanalysis Products To Finer Spatial Scales For Distributed Hydrological Applications, Avirup Sen Gupta, David G. Tarboton
A Tool For Downscaling Weather Data From Large-Grid Reanalysis Products To Finer Spatial Scales For Distributed Hydrological Applications, Avirup Sen Gupta, David G. Tarboton
Civil and Environmental Engineering Faculty Publications
A downscaling tool was developed to provide sub-daily high spatial resolution surfaces of weather variables for distributed hydrologic modeling from NASA Modern Era Retrospective-Analysis for Research and Applications reanalysis products. The tool uses spatial interpolation and physically based relationships between the weather variables and elevation to provide inputs at the scale of a gridded hydrologic model, typically smaller (∼100 m) than the scale of weather reanalysis data (∼20–200 km). Nash-Sutcliffe efficiency (NSE) measures greater than 0.70 were obtained for direct tests of downscaled daily temperature and monthly precipitation at 173 SNOTEL sites. In an integrated test driving the Utah Energy …
Digitalcrust - A 4d Data System Of Material Properties For Transforming Research On Crustal Fluid Flow, Y. Fan, S. Richard, R. S. Bristol, S. E. Peters, S. E. Ingebritsen, N. Moosdorf, A. Packman, T. Gleeson, I. Zaslavsky, S. Peckham, L. Murdoch, M. Fienen, David G. Tarboton, N. Jones, Richard P. Hooper, J. Arrigo, D. Gochis, J. R. Olson, D. Wolock
Digitalcrust - A 4d Data System Of Material Properties For Transforming Research On Crustal Fluid Flow, Y. Fan, S. Richard, R. S. Bristol, S. E. Peters, S. E. Ingebritsen, N. Moosdorf, A. Packman, T. Gleeson, I. Zaslavsky, S. Peckham, L. Murdoch, M. Fienen, David G. Tarboton, N. Jones, Richard P. Hooper, J. Arrigo, D. Gochis, J. R. Olson, D. Wolock
Civil and Environmental Engineering Faculty Publications
Fluid circulation in the Earth's crust plays an essential role in surface, near surface, and deep crustal processes. Flow pathways are driven by hydraulic gradients but controlled by material permeability, which varies over many orders of magnitude and changes over time. Although millions of measurements of crustal properties have been made, including geophysical imaging and borehole tests, this vast amount of data and information has not been integrated into a comprehensive knowledge system. A community data infrastructure is needed to improve data access, enable large‐scale synthetic analyses, and support representations of the subsurface in Earth system models. Here, we describe …
On The Interaction Between Bathymetry And Climate In The System Dynamics And Preferred Levels Of The Great Salt Lake, Ibrahim Nourein Mohammed, David G. Tarboton
On The Interaction Between Bathymetry And Climate In The System Dynamics And Preferred Levels Of The Great Salt Lake, Ibrahim Nourein Mohammed, David G. Tarboton
Civil and Environmental Engineering Faculty Publications
The Great Salt Lake is a terminal lake whose level is determined by the balance between inflows and outflows. We examine the causes for multimodality in the distributions of lake level and hence volume and area that have previously been examined from a system dynamics perspective. We focus on the role of bathymetry in the dynamics of this system and show that some of the modes that are observed and that represent preferred system states are attributable to features of the bathymetry described using the topographic area‐volume relationship. Being a terminal lake, the only “outflow” is evaporation, which depends directly …
Watershed Management And Water Production Study For State Of Utah, Ibrahim Nourein Mohammed, David G. Tarboton
Watershed Management And Water Production Study For State Of Utah, Ibrahim Nourein Mohammed, David G. Tarboton
Civil and Environmental Engineering Faculty Publications
The amount of water produced from a watershed depends on the climate, soils, geology, land cover and land use. Precipitation water inputs in the form of rain or snow are partitioned by the watershed into evapotranspiration, runoff and groundwater recharge. This study has examined factors that may impact the production of runoff from Utah watersheds, focusing on factors related to land and watershed management. Specifically we are interested in how land use changes, such as afforestation, deforestation, agricultural, urban, industrial and mining development, impact runoff. The scale of interest is regional subbasins at the USGS cataloging unit 8 digit Hydrologic …
A Relational Model For Environmental And Water Resources Data, Jeffery S. Horsburgh, David G. Tarboton, David R. Maidment, Ilya Zaslavsky
A Relational Model For Environmental And Water Resources Data, Jeffery S. Horsburgh, David G. Tarboton, David R. Maidment, Ilya Zaslavsky
Civil and Environmental Engineering Faculty Publications
Environmental observations are fundamental to hydrology and water resources, and the way these data are organized and manipulated either enables or inhibits the analyses that can be performed. The Observations Data Model presented here provides a new and consistent format for the storage and retrieval of point environmental observations in a relational database designed to facilitate integrated analysis of large data sets collected by multiple investigators. Within this data model, observations are stored with sufficient ancillary information (metadata) about the observations to allow them to be unambiguously interpreted and to provide traceable heritage from raw measurements to useable information. The …