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

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.

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...

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.

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,...

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.

iData Packaging Tool

24 May 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.

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...

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. 

LANDPARAM

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

A tool to aggregate cropland supply and land transformation elasticities

Marker Set

15 Jun 2018 | Tools | Contributor(s): Rob Campbell

Create iData Marker Set definition files (.ims)

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...

Metadata and DRINET

11 Dec 2009 | Online Presentations

Jake Carlson, Purdue University Libraries

Metadata Exporter

20 Mar 2018 | Tools | Contributor(s): Rajesh Kalyanam

Export geospatial file metadata to the ISO-19115 standard

Metadata Exporter

20 Mar 2018 | Tools | Contributor(s): Rajesh Kalyanam

Export geospatial file metadata to the ISO-19115 standard

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 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...

Metadata for Indiana Hourly Precipitation Data (NCDC)

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

This dataset contains hourly precipitation data from 144 COOP raingagues located in Indiana (NCDC TD3240 dataset). The main purpose of this dataset is to provide for at-site rainfall frequency analysis. Several data processing manners were taken:(1) For nearby stations with non-overlapping...

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...