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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...
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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
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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,...
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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...
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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,...
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Achieving Sustainable Irrigation Water Withdrawals: Global Impacts on Food Production and Land Use
27 Sep 2017 | Publications | Contributor(s): Jing Liu, Tom Hertel, Richard Lammers, Alexander A Prusevich, Uris Lantz C Baldos, Danielle Grogan, Steve Frolking
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...
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AgMIP GEOSHARE Tool with iData Integration Demo
06 Mar 2015 | Tools | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Christoph MÃ_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
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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.
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Agricultural Productivity Growth for Long Run Sustainability
08 Oct 2018 | Online Presentations | Contributor(s): Uris Lantz C Baldos
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
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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)
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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.
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Analyzing Water Scarcity in Global CGE Models
08 Sep 2017 | Publications | Contributor(s): Jing Liu, Tom Hertel, Farzad Taheripour
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....
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Assessing the Inter-regional Incidence of Climate Impacts on Agriculture
19 Oct 2017 | Publications | Contributor(s): Tom Hertel
This is a presentation at IMPACTS WORLD 2017.
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Assessing the Poverty Impacts of Climate Change across Latin America
19 Oct 2017 | Publications | Contributor(s): Tom Hertel, Monika Verma, Eduardo Magalhaes, Carlos Ludena, Uris Lantz C Baldos, Frances Moore
This is a poster presented at IMPACTS WORLD 2017, Germany.
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Attaining Food and Environmental Security in an Era of Globalization
08 Sep 2017 | Publications | Contributor(s): Tom Hertel, Uris Lantz C Baldos
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...
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Challenges predicting the spatial patterns of land conversion (And how GEOSHARE can help.)
01 Oct 2014 | Online Presentations | Contributor(s): Nelson Benjamin Villoria, Jing Liu
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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.
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Climate Change Impacts on Food Security in 2050: An application of the GEOSHARE AgMIP Tool
01 Oct 2014 | Online Presentations | Contributor(s): Uris Baldos
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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
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Connecting Communities Through HUBzero
01 Oct 2014 | Workshops | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Hongjun Choi, Lan Zhao