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  1. Quantifying the uncertainties in estimating the heterogeneous effects of carbon taxes on labor, land, water, and fertilizer use in US agriculture

    17 May 2023 | Contributor(s): Iman Haqiqi

    Selected Paper prepared for presentation at the 2023 Agricultural & Applied Economics Association Annual Meeting, Washington DC; July 23-25, 2023 Potential carbon taxes will have spatially heterogeneous impacts on agriculture. The magnitude of impacts depends on 1) the direct and...

  2. A review of global-local-global linkages in economic land-use/cover change models

    04 May 2019 | Contributor(s): Tom Hertel, Thales A P West, Jan Börner, Nelson Benjamin Villoria

    Global change drivers of land-use/cover change (LUCC) like population dynamics, economic development, and climate change are increasingly important to local sustainability studies, and can only be properly analyzed at fine-scales that capture local biophysical and socio-economic conditions. When...

  3. Marker Set

    06 Nov 2018 | Contributor(s): Rob Campbell

    Create iData Marker Set definition files (.ims)

  4. Using spatially explicit data to improve our understanding of land supply responses: An application to the cropland effects of global sustainable irrigation in the Americas

    09 Aug 2018 | Contributor(s): Nelson Benjamin Villoria, Jing Liu

    Land supply elasticities determine the rates of land conversion in global policy models. However, they are only available for few countries in the world. Therefore, analysts seeking to improve the spatial resolution of their models are forced to impose regionally homogeneous parameters...

  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. Metadata Exporter

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

    Export geospatial file metadata to the ISO-19115 standard

  8. MultiSpec - Desktop and Online Tool

    20 Dec 2017 | Online Presentations | Contributor(s): Larry Biehl

    MultiSpec is an easy to learn and use, freeware image processing tool for interactively analyzing a broad spectrum of geospatial image data, with capabilities such as image display, unsupervised and supervised classification, feature extraction, feature enhancement, and several other functions....

  9. 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.

  10. 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. 

  11. 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...

  12. Web Leaflet Map Tool

    07 May 2016 | Tools | Contributor(s): Wei Wan

    Web Map Tool Using Leaflet and Python

  13. 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...

  14. LANDPARAM

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

    A tool to aggregate cropland supply and land transformation elasticities

  15. RHSeg

    30 Jun 2015 | Tools | Contributor(s): Wei Wan (contributor), Lexie Yang (contributor)

    The Recursive Hierarchical Image Segmentation (RHSEG) software package integrated with GeoHub release version 1.59

  16. Geospatial Modeler

    08 Aug 2015 | Tools | Contributor(s): Wei Wan

    A HUBzero Open Geospatial Modeler Tool for Remote Sensing and Geospatial Data Analysis

  17. 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.

  18. Active Learning Modeler Tool

    17 Mar 2015 | Tools | Contributor(s): Wei Wan, Lexie Yang (contributor), Rajesh Kalyanam (contributor), Christopher Panza (contributor)

    Graphic modeling and view for active learning algorithms of remote sensing, integration with IData.

  19. MultiSpec

    24 Oct 2014 | Tools | Contributor(s): Larry Biehl, Abdur Rahman Maud, Wei-Kang Hsu, Tsung Tai Yeh

    Image processing application to display and analyze geospatial images

  20. Active Learning Tool

    04 Feb 2015 | Tools | Contributor(s): Lexie Yang, wanwei

    A Demo for "Advance Active Learning Algorithms for Robust Multi-Sensor Data Analysis"