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  1. A copula-based joint deficit index for droughts

    31 Mar 2010 | Contributor(s): Rao S Govindaraju

    Current drought information is based on indices that do not capture the joint behaviors of hydrologic variables. To address this limitation, the potential of copulas in characterizing droughts from multiplevariables is explored in this study. Starting from the standardized index (SI) algorithm, a...

  2. A Global Perspective on Agricultural Irrigation

    31 Jul 2014 | Contributor(s): Stefan Siebert

    Presentation by Stefan Siebert at the GEOSHARE Workshop, 23 May 2011BioStefan SiebertUniversity of Bonn

  3. A Global, Spatially Explicit Open-Source Data Base for Analysis of Agriculture, Forestry, and the Environment: Proposal and Institutional Considerations

    31 Jul 2014 | Contributor(s): Tom Hertel, Wolfgang Britz, Noah Diffenbaugh, Navin Ramankutty, Nelson Benjamin Villoria

    Background study submitted to the Foresight ProgrammeCreditsThomas Hertel, Purdue UniversityWolfgang Britz, University of BonnNoah Diffenbaugh, Stanford UniversityNavin Ramankutty, McGill UniversityNelson Villoria, Purdue UniversityStanley Wood, IFPRIStefan Siebert, University of BonnGlenn Hyman,...

  4. A seasonal-scale climatological analysis correlating spring tornadic activity with antecedent fall–winter drought in the southeastern United States

    14 Jun 2011 | Publications | Contributor(s): Dev Niyogi

    Using rain gauge and satellite-based rainfall climatologies and the NOAA Storm PredictionCenter tornado database (1952–2007), this study found a statistically significant tendency forfall–winter drought conditions to be correlated with below-normal tornado days the followingspring in north...

  5. A spatio-temporal drought analysis for the Midwestern US

    15 Jun 2009 | Publications | Contributor(s): Rao S Govindaraju, Dev Niyogi

    Droughts are prolonged abnormalities of moisture deficits that vary widely across temporal and spatial scales. Many hydrometeorologic variables are used to monitor the status of a drought. However, because of the dependence structure between all affecting variables under various temporal windows,...

  6. 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

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

    09 Jul 2014 | Tools | Contributor(s): Nelson Benjamin Villoria, joshua elliott, Christoph Müller, Jaewoo Shin, Lan Zhao

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

  8. Agriculture and Land Use Change and Poverty in LaStin America

    31 Jul 2014 | Online Presentations | Contributor(s): Glenn Hyman

    Presentation by Glenn Hyman at the GEOSHARE Workshop, 23 May 2011BioGlenn HymanDecision and Policy Analysis Program (DAPA)International Center for Tropical Agriculture (CIAT)

  9. An introduction to GEOSHARE's cyberinfrastructure: exchange and analysis of geo-spatial data through HUBzero

    31 Jul 2014 | Online Presentations | Contributor(s): Nelson Benjamin Villoria

    This is a training presentation at GLP 2nd Open Science Meeting, Berlin March 21, 2014.

  10. CIMSANS - Public–Private Partnership for developing Open Ag Data through GEOSHARE

    31 Jul 2014 | Online Presentations | Contributor(s): Paul Hendley

    This is a presentation from geoshare roundtable at GLP-OSM 2014.

  11. Climate Data for Agricultural Analysis: Opportunities and Pitfalls

    31 Jul 2014 | Online Presentations | Contributor(s): Noah Diffenbaugh

    Presentation by Noah Diffenbaugh at the GEOSHARE Workshop, 23 May 2011BioNoah DiffenbaughDepartment of Environmental Earth System Science andWoods Institute for the EnvironmentStanford University

  12. Connecting Communities Through HUBzero

    03 Oct 2014 | Online Presentations | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Hongjun Choi, Lan Zhao

  13. Cooperation challenges in large, online-based collaborative projects: Notes from The Social-Ecological Systems Meta-Analysis Database (SESMAD) project

    31 Jul 2014 | Online Presentations | Contributor(s): Sergio Villamajor-Tomas

    This is a presentation from geoshare roundtable at GLP-OSM 2014.

  14. Data Endorsement Breakout Summary

    14 Oct 2014 | Downloads | Contributor(s): Tom Hertel

  15. Data Fusion Breakout Summary

    14 Oct 2014 | Downloads | Contributor(s): Tom Hertel

  16. DURI Summer Intern Project: Drought related data and tools: development and integration

    08 Aug 2011 | Downloads | Contributor(s): Yuan Xia

    A poster presented at the DURI student recognition luncheon, July 28, 2011. Yuan Xia, a junior from Computer Science, Purdue University, completed his summer internship with the Scientific Solutions group at RCAC. He helped integrated various maps and datasets into the DRINET. The live page can...

  17. Effects of Drought on Water Quality in Streams

    08 Aug 2011 | Downloads | Contributor(s): Rashad Riley, Indrajeet Chaubey, Lan Zhao

    A research poster presented at the DDAD2011 symposium. It describes the preliminary results of a study on drought impact on water quality conducted over the Massie Creek sub-watershed in Ohio. The Messie Creek data is now available on DRINET and access is through the iDATA tool.Rashad Riley1,...

  18. Enabling Scientific Collaboration Using HUBzero Platform

    03 Oct 2014 | Online Presentations | Contributor(s): Lan Zhao

  19. FLAT: Fine-scale Land Allocation Tool

    15 Apr 2016 | Tools | Contributor(s): Jingyu Song, Michael S Delgado, Paul V. Preckel, Shandian Zhe, Ian James Campbell, Lan Zhao, Carol Song

    Open access user interface FLAT: designed for fine-scale global land use estimation, display, and comparison.

  20. GEOSHARE and HUBZero: An Open Platform for Spatial Data Development and Analysis

    31 Jul 2014 | Online Presentations | Contributor(s): Nelson Benjamin Villoria