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  1. Marker Set

    06 Nov 2018 | Contributor(s): Lan Zhao, Carol Song

    Create iData Marker Set definition files (.ims)

  2. iData Packaging Tool

    12 Jun 2018 | Tools | Contributor(s): Lan Zhao, Carol Song

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

  3. Metadata Exporter

    03 Apr 2018 | Tools | Contributor(s): Lan Zhao, Carol Song

    Export geospatial file metadata to the ISO-19115 standard

  4. Developing Open Source Geospatial Data Analysis Building Blocks Software

    26 Oct 2017 | Publications | Contributor(s): Lan Zhao, Carol Song

    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.

  5. iData Walkthrough

    21 Oct 2017 | Online Presentations | Contributor(s): Lan Zhao, Carol Song

    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. 

  6. iData Tutorial

    22 Jul 2016 | Teaching Materials | Contributor(s): Lan Zhao, Carol Song

    *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...

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

    15 Sep 2015 | Publications | Contributor(s): Lan Zhao, Carol Song

    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...

  8. LANDPARAM

    06 Dec 2021 | Tools | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    A tool to aggregate cropland supply and land transformation elasticities

  9. iData Cheat Sheet

    06 Dec 2021 | 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.

  10. AgMIP GEOSHARE Tool with iData Integration Demo

    06 Dec 2021 | Tools | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    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

  11. SPAM in the Clouds

    05 Aug 2014 | Tools

    Spatial Production Allocation Model (SPAM) 2005 Beta Version

  12. Market-mediated environmental impacts of biofuels

    06 Dec 2021 | Publications | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    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...

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

    06 Dec 2021 | Publications | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    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,...

  14. AgMIP Tool: A GEOSHARE tool for aggregating outputs from the AgMIP's Global Gridded Crop Modeling Initiative (Ag-GRID)

    06 Dec 2021 | Tools | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    Aggregate the yield shocks provided by the AgMIP project from their original 30x30 min resolution to any user specified level.

  15. PEGASUS (Predicting Ecosystem Goods And Services Using Scenarios)

    06 Dec 2021 | Tools | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    A GEOSHARE tool for conducting live simulations using PEGASUS (Predicting Ecosystem Goods And Services Using Scenarios)

  16. U2U Overview Presentation

    06 Dec 2021 | Online Presentations | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    This PowerPoint presentation provides an overview of the Useful to Usable (U2U) research project. Last updated Nov. 1, 2011.

  17. U2U Poster - July 2011

    06 Dec 2021 | Online Presentations | Contributor(s): Lan Zhao, Carol Song, Larry Biehl

    This poster provides a general overview of the Useful to Usable (U2U) project. Anyone on the U2U team is welcome to present this poster at conferences or other venues. This hi-resolution pdf is ready for priting a 3 ft. (H) by 4 ft. (W) poster.Thank you to our University of Wisconsin colleagues...