Quantifying the uncertainties in estimating the heterogeneous effects of carbon taxes on labor, land, water, and fertilizer use in US agriculture

17 May 2023 | Contributor(s): Iman Haqiqi

Selected Paper prepared for presentation at the 2023 Agricultural & Applied Economics Association Annual Meeting, Washington DC; July 23-25, 2023 Potential carbon taxes will have spatially heterogeneous impacts on agriculture. The magnitude of impacts depends on 1) the direct and...

A review of global-local-global linkages in economic land-use/cover change models

04 May 2019 | Contributor(s): Tom Hertel, Thales A P West, Jan Börner, Nelson Benjamin Villoria

Global change drivers of land-use/cover change (LUCC) like population dynamics, economic development, and climate change are increasingly important to local sustainability studies, and can only be properly analyzed at fine-scales that capture local biophysical and socio-economic conditions. When...

Marker Set

06 Nov 2018 | Contributor(s): Rob Campbell

Create iData Marker Set definition files (.ims)

Using spatially explicit data to improve our understanding of land supply responses: An application to the cropland effects of global sustainable irrigation in the Americas

09 Aug 2018 | Contributor(s): Nelson Benjamin Villoria, Jing Liu

Land supply elasticities determine the rates of land conversion in global policy models. However, they are only available for few countries in the world. Therefore, analysts seeking to improve the spatial resolution of their models are forced to impose regionally homogeneous parameters...

iData Packaging Tool

12 Jun 2018 | Tools | Contributor(s): Rajesh Kalyanam, Rob Campbell (contributor), Lan Zhao (contributor)

Package iData files into a BagIT bag for subsequent import to a different project.

Metadata Exporter

03 Apr 2018 | Tools | Contributor(s): Rajesh Kalyanam

Export geospatial file metadata to the ISO-19115 standard

Developing Open Source Geospatial Data Analysis Building Blocks Software

26 Oct 2017 | Publications | Contributor(s): JIngbo Wu

This is an article published at Journal of Purdue Undergraduate Research by Jingbo Wu describing his summer intern work as part of the GABBs project.

iData Walkthrough

21 Oct 2017 | Online Presentations | Contributor(s): Rajesh Kalyanam

This video demonstrates the features of the GABBs iData data management building block such as automatic metadata extraction and geospatial file preview. It also walks through how iData files can be used in both hub tools and publications. 

Cyberinfrastructure for the collaborative development of U2U decision support tools

10 Nov 2016 | Publications | Contributor(s): Larry Biehl, Lan Zhao, Carol Song, Christopher Panza

This paper describes the use of cyberinfrastructure to create interactive applications as part of the Useful to Usable (U2U) project. These applications transform historical climate data, knowledge, and models into decision support tools for end users such as crop farmers, uni- versity Extension...

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...

FLAT: Fine-scale Land Allocation Tool

15 Apr 2016 | Tools | Contributor(s): Jingyu Song, Michael S Delgado, Paul V. Preckel, Shandian Zhe, Ian James Campbell, Lan Zhao, Carol Song

Open access user interface FLAT: designed for fine-scale global land use estimation, display, and comparison.

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...

LANDPARAM

20 Jul 2015 | Tools | Contributor(s): Jing Liu, Nelson Benjamin Villoria (contributor)

A tool to aggregate cropland supply and land transformation elasticities

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

Using Useful to Usable (U2U) Tools for an Introductory Agronomy Course (Purdue University) -- Lab Assignment

04 Dec 2014 | Teaching Materials | Contributor(s): Trevor J. Frank, Bruce J. Erickson

This lab was constructed to provide introductory Agronomy students with a knowledge base of farming technology and available agricultural decision-making tools. Students will learn available technology for predicting climate variability, growing degree days, nitrogen fertilizer rates, cover crop...

Geospatial Targeting of Irrigation Investment in Tanzania

11 Nov 2014 | Web Apps | Contributor(s): Jawoo Koo, Hua Xie, Liangzhi You, zhe guo, Jeffrey Dickinson, Cindy Cox

This tool helps users to identify specific sites within the SAGCOT (Southern Agricultural Growth Corridor of Tanzania) area where new irrigation investments should target at 10 km spatial resolution. Users can interact with the map (showing the grid cells meeting the requirements, where the color...

Developing A Collaborative Environment for Useful to Useable (U2U) Project

10 Nov 2014 | Downloads | Contributor(s): Larry Biehl, Carol Song, Lan Zhao, Christopher Panza, Brian Raub, Luke Policinski

HUBzero is being used as a collaborative environment for the Useful to Usable (U2U) project funded by the USDA. U2U is an integrated research and extension project working to improve farm resilience and profitability in the North Central U.S. by transforming existing climate data into usable...

Developing A Collaborative Environment for the Useful to Usable (U2U) Project

10 Nov 2014 | Online Presentations | Contributor(s): Larry Biehl, Carol Song, Lan Zhao, Christopher Panza, Brian Raub, Luke Policinski

HUBzero is being used as a collaborative environment for the Useful to Usable (U2U) project funded by the USDA. U2U is an integrated research and extension project working to improve farm resilience and profitability in the North Central U.S. by transforming existing climate data into usable...