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Predicting Long Term Food Demand, Cropland Use and Prices
08 Sep 2017 | Contributor(s): Tom Hertel, Uris Lantz C Baldos, Dominique van der Mensbrugghe
This paper seeks to survey, understand and reconcile the widely divergent estimates of long run global crop output, land use and price projections in the current literature. We begin by reviewing the history of such projections and the different models and assumptions used in these exercises. We...
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Debunking the 'New Normal': Why World Food Prices are Expected to Resume their Long run Downward Trend
08 Sep 2017 | Contributor(s): Uris Lantz C Baldos, Tom Hertel
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...
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Attaining Food and Environmental Security in an Era of Globalization
08 Sep 2017 | 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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Land Use in the 21st Century: Contributing to the Global Public Good
08 Sep 2017 | Contributor(s): Tom Hertel
This paper focuses on the evolution of global public goods related to the world’s land resources over the course of the 21st century, their potential impacts on the world’s poorest households, as well as prospects for policy interventions aimed at enhancing these outcomes. It begins...
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The power and pain of market-based carbon policies: a global application to greenhouse gases from ruminant livestock production
08 Sep 2017 | Contributor(s): Benjamin Henderson, Alla A Golub, Daniel Djauhari Pambudi, Tom Hertel, Cecile Godde, Mario Herrero, Oscar Cacho, Pierre J. Gerber
The objectives of this research are to assess the greenhouse gas mitigation potential of carbon policies applied to the ruminant livestock sector [inclusive of the major ruminant species—cattle (Bos Taurus and Bos indicus), sheep (Ovis aries), and goats (Capra hircus)]— with...
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Economic impacts of climate change on agriculture: A comparison of process-based and statistical yield models
07 Sep 2017 | Contributor(s): Frances C Moore, Uris Lantz C Baldos, Tom Hertel
A large number of studies have been published examining the implications of climate change for agricultural productivity that, broadly speaking, can be divided into process-based modeling and statistical approaches. Despite a general perception that results from these methods differ...
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PyMapLib for Rapid Development of Geospatial Data Analysis Tools
02 Aug 2016 | Publications | Contributor(s): Wei Wan, Lan Zhao, Jaewoo Shin, Shandian Zhe, Carol Song
This is the presentation at CyberGIS 2016 conference introducing pyMapLib, a generic Python mapping library developed as part of the NSF funded GABBS project.
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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...
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Remote Sensing Analysis on HUBzero
16 Sep 2015 | Downloads | Contributor(s): Larry Biehl
MultiSpec is a remote sensing analysis tool being developed on MyGeoHub.org as part of the Geospatial Analysis Building Blocks (GABBs) NSF-funded and the IndianaView/AmericaView USGS-funded projects. The tool has been adapted from the desktop Macintosh and Windows versions...
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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...
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The GABBs Report - Building Geospatial Capability in HUBzero
15 Sep 2015 | Downloads | Contributor(s): Carol Song
Geospatial data are present everywhere today with the proliferation of location-aware computing devices. This is especially true in the scientific community where large amounts of data are driving research and education activities in many domains. Collaboration over geospatial data, for example,...
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LANDPARAM
20 Jul 2015 | Tools | Contributor(s): Jing Liu, Nelson Benjamin Villoria (contributor)
A tool to aggregate cropland supply and land transformation elasticities
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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.
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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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Presentation of GABBs at Brown Dog Workshop
09 Sep 2014 | Online Presentations | Contributor(s): Carol Song
This is a presentation given at the first Brown Dog user workshop, Urbana, IL, July 2014.
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Market-mediated environmental impacts of biofuels
31 Jul 2014 | Publications | Contributor(s): Tom Hertel, Wallace E. Tyner
This paper surveys the evidence on market-mediated environmental impacts of biofuels, with special attention to the indirect greenhouse gas emissions stemming from land cover change in the wake of increased demand for biofuel feedstocks. We find clear evidence that market mediated land use...
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Energy prices will play an important role in determining global land use in the twenty first century
31 Jul 2014 | Publications | Contributor(s): Jevgenijs Steinbuks, Tom Hertel
Global land use research to date has focused on quantifying uncertainty effects of three major drivers affecting competition for land: the uncertainty in energy and climate policies affecting competition between food and biofuels, the uncertainty of climate impacts on agriculture and forestry,...
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Land, Environment and Climate: Contributing to the Global Public Good
31 Jul 2014 | Publications | Contributor(s): Tom Hertel
This paper discusses global public goods related to the world's land resources, their current provision and likely future provision, their potential impacts on the world's poorest households, as well as prospects for using foreign assistance to enhance these outcomes. Specifically, the...
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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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PEGASUS (Predicting Ecosystem Goods And Services Using Scenarios)
14 Jul 2014 | Tools | Contributor(s): Delphine, Navin Ramankutty, I Luk Kim, Rajesh Kalyanam
A GEOSHARE tool for conducting live simulations using PEGASUS (Predicting Ecosystem Goods And Services Using Scenarios)