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  1. A copula-based joint deficit index for droughts

    31 Mar 2010

    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

    14 Jun 2011 | Publications

    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

    15 Jun 2009 | Publications

    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. Achieving Sustainable Irrigation Water Withdrawals: Global Impacts on Food Production and Land Use

    27 Sep 2017 | Publications

    Unsustainable water use challenges the capacity of water resources to ensure food security and continued growth of the economy. Adaptation policies targeting future water security can easily overlook its interaction with other sustainability metrics and unanticipated local responses to the...

  5. Agricultural Productivity Growth for Long Run Sustainability

    08 Oct 2018 | Online Presentations

    Video presentation on "Agricultural Productivity Growth for Long Run Sustainability" for the 2018 Conference on the Long Run Sustainability of US Agriculture, the National Press Club, Washington DC, September 17, 2018

  6. Analyzing Water Scarcity in Global CGE Models

    08 Sep 2017 | Publications

    Incorporating water into a computable general equilibrium (CGE) model operating at global scale can be extremely demanding due to the absence of standardized data, the sheer dimensions caused by intersecting river basins with countries, and difficulties to model demand for and supply of water....

  7. Assessing the Inter-regional Incidence of Climate Impacts on Agriculture

    19 Oct 2017 | Publications

    This is a presentation at IMPACTS WORLD 2017.

  8. Assessing the Poverty Impacts of Climate Change across Latin America

    19 Oct 2017 | Publications

    This is a poster presented at IMPACTS WORLD 2017, Germany.

  9. Attaining Food and Environmental Security in an Era of Globalization

    08 Sep 2017 | Publications

    Attaining the twin goals of food and environmental security in the coming decades poses a significant sustainability challenge. This paper examines the food and environmental security implications of a range of policies affecting the global food economy and terrestrial ecosystems, first in the...

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

    01 Oct 2014 | Online Presentations

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

    01 Oct 2014 | Online Presentations

  12. Connecting Communities Through HUBzero

    01 Oct 2014 | Workshops

  13. Connecting Communities Through HUBzero

    03 Oct 2014 | Online Presentations

  14. Connecting Communities Through HUBzero

    03 Oct 2014 | Online Presentations

  15. Cyberinfrastructure for an Open, Collaborative GEOSHARE Community

    01 Oct 2014 | Online Presentations

  16. Data Endorsement Breakout Summary

    14 Oct 2014 | Downloads

  17. Data Fusion Breakout Summary

    14 Oct 2014 | Downloads

  18. Data Fusion Revisited

    01 Oct 2014 | Online Presentations

  19. Debunking the 'New Normal': Why World Food Prices are Expected to Resume their Long run Downward Trend

    08 Sep 2017 | Publications

    Contrary to the opinions expressed by many commentators, the recent episode of higher prices for agricultural commodities is likely a transitory phenomenon. When compared to the last half-century, population growth is expected to be much slower in the coming decades, with nearly all of the growth...

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

    08 Aug 2011 | Downloads

    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...