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  1. A copula-based joint deficit index for droughts

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

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    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...

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

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    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,...

  4. AgMIP GEOSHARE Tool with iData Integration Demo

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    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

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

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    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.

  6. Challenges predicting the spatial patterns of land conversion (And how GEOSHARE can help.)

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    01 Oct 2014 | Online Presentations | Contributor(s): Nelson Benjamin Villoria, Jing Liu

  7. Climate Change Impacts on Food Security in 2050: An application of the GEOSHARE AgMIP Tool

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    01 Oct 2014 | Online Presentations | Contributor(s): Uris Baldos

  8. Climate change mitigation policies and poverty in developing countries

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    31 Jul 2014 | Publications | Contributor(s): Zekarias Hussein, Tom Hertel, Alla Golub

    Mitigation of the potential impacts of climate change is one of the leading policy concerns of the 21st century. However, there continues to be heated debate about the nature, the content and, most importantly, the impact of the policy actions needed to limit greenhouse gas emissions. One...

  9. Climate Scenario Aggregator

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    10 Nov 2014 | Tools | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Christoph Müller, Jaewoo Shin, Lan Zhao

    Climate Scenario Aggregator

  10. Connecting Communities Through HUBzero

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    01 Oct 2014 | Workshops | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Hongjun Choi, Lan Zhao

  11. Connecting Communities Through HUBzero

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

  12. Connecting Communities Through HUBzero

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

  13. Cyberinfrastructure for an Open, Collaborative GEOSHARE Community

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    01 Oct 2014 | Online Presentations | Contributor(s): Carol Song

  14. Data Endorsement Breakout Summary

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

  15. Data Fusion Breakout Summary

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

  16. Data Fusion Revisited

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    01 Oct 2014 | Online Presentations | Contributor(s): Paul Preckel

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

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    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...

  18. Effects of Drought on Water Quality in Streams

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    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,...

  19. Enabling Scientific Collaboration Using HUBzero Platform

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    01 Oct 2014 | Workshops | Contributor(s): Lan Zhao

  20. Enabling Scientific Collaboration Using HUBzero Platform

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