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...

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...

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...

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...

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...

iData Tutorial

22 Jul 2016 | 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...

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...

Climate Scenario Aggregator

09 Sep 2015 | Tools | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Christoph Müller, Jaewoo Shin, Lan Zhao

Climate Scenario Aggregator

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.

The role of international trade in managing food security risks from climate change

20 Mar 2015 | Publications | Contributor(s): Uris Lantz C Baldos, Tom Hertel

International trade plays an important role in facilitating global food security in the face of a changing climate. In considering this issue, it is useful to distinguish between two different time scales: inter-annual and inter-decadal. Inter-annual adjustments in international trade can play an...

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

Climate change mitigation policies and poverty in developing countries

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...

Cyberinfrastructure for GEOSHARE

31 Jul 2014 | Online Presentations | Contributor(s): Carol Song, Lan Zhao

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.

National Initiatives Gauge Farmer Perceptions of Climate Change (press release)

05 Mar 2013 | Publications | Contributor(s): John Kriva, Melissa Widhalm

U2U Poster - May 2012

18 May 2012 | Online Presentations | Contributor(s): Melissa Widhalm

This poster provides a general overview of the Useful to Usable (U2U) project. Anyone on the U2U team is welcome to present this poster at conferences or other venues. This hi-resolution pdf is ready for priting a 3 ft. (H) by 4 ft. (W) poster.

Metadata for Climate Research Unit Time Series (CRU TS) 2.1

16 May 2012 | Downloads | Contributor(s): Lan Zhao

The CRU TS 2.1 data-set comprises 1224 monthly grids of observed climate, for the period 1901-2002, and covering the global land surface at 0.5 degree resolution. There are nine climate variables available: daily mean, minimum and maximum temperature, diurnal temperature range, precipitation, wet...

Metadata for Harvested Area and Yields of 175 crops (M3-Crops Data)

15 May 2012 | Downloads | Contributor(s): Jake R Carlson

This data collection is composed of land use data sets, generated by combining national, state, and county level census statistics along with a global data set of croplands from countries around the world for the year 2000. The resulting land use data sets depict circa the year 2000 the...

Metadata for Indiana Stream Flow Data

15 May 2012 | Downloads | Contributor(s): Jake R Carlson

The United States Geological Survey (USGS) daily streamflow dataset is the source of this dataset. Streamflow data are subjected to human interference, and therefore data contain both natural and regulated flows. This practice does not cause serious problems in flood frequency analysis (flows are...

Metadata for Historical Averages of Precipitation and Temperature Data

15 May 2012 | Downloads | Contributor(s): Jake R Carlson

This dataset is composed of plots of historical time series of average precipitation (measured in inches) and temperature (measured in fahrenheit degrees) data with five year tendencies for each climate division (CD) within Illinois, Indiana, Kentucky, Michigan, Ohio, and Wisconsin. Data are...