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  1. SIMPLE-G-Water: Global Groundwater Conservation Scenarios

    24 Sep 2024 | Contributor(s): Iman Haqiqi

    DescriptionThis repository contains the outputs of the SIMPLE-G-global model at 15 arc-min resolution, focusing on various aspects of groundwater conservation. The data includes:Groundwater Withdrawal: Irrigation groundwater extraction across grid cells (pre-policy, post-policy, and...

  2. Root Zone Water Quality Model

    08 Jun 2022 | Contributor(s): Ratnesh Kumar, Balaji Sesha Srikanth Pokuri, Anupam Bhar (contributor)

    Whole-system model for studying crop production and environmental quality under current and changing climate conditions., developed by USDA-ARS

  3. Marker Set

    06 Nov 2018 | Contributor(s): Rob Campbell

    Create iData Marker Set definition files (.ims)

  4. SIMPLE-G US Web Application

    11 Sep 2018 | Contributor(s): Jungha Woo, Uris Lantz C Baldos, Lan Zhao, Carol Song, Jaewoo Shin

    SIMPLE-G US is the US version of the SIMPLE-G

  5. iData Packaging Tool

    12 Jun 2018 | Tools | Contributor(s): Rajesh Kalyanam, Rob Campbell (contributor), Lan Zhao (contributor)

    Package iData files into a BagIT bag for subsequent import to a different project.

  6. Metadata Exporter

    03 Apr 2018 | Tools | Contributor(s): Rajesh Kalyanam

    Export geospatial file metadata to the ISO-19115 standard

  7. Developing Open Source Geospatial Data Analysis Building Blocks Software

    26 Oct 2017 | Publications | Contributor(s): JIngbo Wu

    This is an article published at Journal of Purdue Undergraduate Research by Jingbo Wu describing his summer intern work as part of the GABBs project.

  8. iData Walkthrough

    21 Oct 2017 | Online Presentations | Contributor(s): Rajesh Kalyanam

    This video demonstrates the features of the GABBs iData data management building block such as automatic metadata extraction and geospatial file preview. It also walks through how iData files can be used in both hub tools and publications. 

  9. Cyberinfrastructure for the collaborative development of U2U decision support tools

    10 Nov 2016 | Publications | Contributor(s): Larry Biehl, Lan Zhao, Carol Song, Christopher Panza

    This paper describes the use of cyberinfrastructure to create interactive applications as part of the Useful to Usable (U2U) project. These applications transform historical climate data, knowledge, and models into decision support tools for end users such as crop farmers, uni- versity Extension...

  10. iData Tutorial

    22 Jul 2016 | Teaching Materials | Contributor(s): Abilene Thiele Concepcion Perez

    *Note that the number before each step is the time on the YouTube video below where it shows how each step is done. Click on "View Resource" on the top right to watch the video.Start iData [0:05] Go to http://mygeohub.org/idata to load the iData application. It starts with...

  11. Data-driven Collaboration Environments - Integrating HUBzero and iRODS

    15 Sep 2015 | Publications | Contributor(s): Rajesh Kalyanam

    As part of an effort to establish a community-based data sharing environment, we previously developed a HUBzero-based web component, iData. Using the open-source data management software, iRODS, iData  provides hub users and tools with the ability to publish, manage, discover...

  12. LANDPARAM

    20 Jul 2015 | Tools | Contributor(s): Jing Liu, Nelson Benjamin Villoria (contributor)

    A tool to aggregate cropland supply and land transformation elasticities

  13. iData Cheat Sheet

    19 Jun 2015 | Teaching Materials | Contributor(s): Lan Zhao, Carol Song

    This document is a quick note that guides new iData users through the steps of registering a hub account, creating a new dataset, uploading some files, and sharing with others.

  14. AgMIP GEOSHARE Tool with iData Integration Demo

    06 Mar 2015 | Tools | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Christoph Mí_ller, Jaewoo Shin, Christopher Panza, Lan Zhao

    Aggregate yield shocks provided by the AgMIP's Global Gridded Crop Modeling Initiative (Ag-GRID) from their original 30x30 min resolution to any user specified level

  15. Using Useful to Usable (U2U) Tools for an Introductory Agronomy Course (Purdue University) -- Lab Assignment

    04 Dec 2014 | Teaching Materials | Contributor(s): Trevor J. Frank, Bruce J. Erickson

    This lab was constructed to provide introductory Agronomy students with a knowledge base of farming technology and available agricultural decision-making tools. Students will learn available technology for predicting climate variability, growing degree days, nitrogen fertilizer rates, cover crop...

  16. Developing A Collaborative Environment for Useful to Useable (U2U) Project

    10 Nov 2014 | Downloads | Contributor(s): Larry Biehl, Carol Song, Lan Zhao, Christopher Panza, Brian Raub, Luke Policinski

    HUBzero is being used as a collaborative environment for the Useful to Usable (U2U) project funded by the USDA. U2U is an integrated research and extension project working to improve farm resilience and profitability in the North Central U.S. by transforming existing climate data into usable...

  17. Developing A Collaborative Environment for the Useful to Usable (U2U) Project

    10 Nov 2014 | Online Presentations | Contributor(s): Larry Biehl, Carol Song, Lan Zhao, Christopher Panza, Brian Raub, Luke Policinski

    HUBzero is being used as a collaborative environment for the Useful to Usable (U2U) project funded by the USDA. U2U is an integrated research and extension project working to improve farm resilience and profitability in the North Central U.S. by transforming existing climate data into usable...

  18. SPAM in the Clouds

    25 Jul 2014 | Tools | Contributor(s): Liangzhi You, Ulrike Wood-Sichra, Jingyu Song, Nelson Benjamin Villoria, Paul Preckel, Jaewoo Shin, Lan Zhao

    Spatial Production Allocation Model (SPAM) 2005 Beta Version

  19. Market-mediated environmental impacts of biofuels

    31 Jul 2014 | Publications | Contributor(s): Tom Hertel, Wallace E. Tyner

    This paper surveys the evidence on market-mediated environmental impacts of biofuels, with special attention to the indirect greenhouse gas emissions stemming from land cover change in the wake of increased demand for biofuel feedstocks. We find clear evidence that market mediated land use...

  20. Energy prices will play an important role in determining global land use in the twenty first century

    31 Jul 2014 | Publications | Contributor(s): Jevgenijs Steinbuks, Tom Hertel

    Global land use research to date has focused on quantifying uncertainty effects of three major drivers affecting competition for land: the uncertainty in energy and climate policies affecting competition between food and biofuels, the uncertainty of climate impacts on agriculture and forestry,...