R seminar series - part 3 & 4

Last update on Feb. 22, 2015.

The third and fourth R brown-bag seminars were held on 12th and 19th of February, respectively. Both seminars covered "Introduction to R". 

Complete source code for both seminars is available at this link, while the data used in the exercises can be found here.

In fifth seminar (5th of March), Anthony Ndungu (a.ndungu@cgiar ...

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Aerial images from Kenya georeferenced by the ICRAF GeoScience Lab

Last update on Feb. 11, 2015.

Aerial images from Kenya georeferenced by the ICRAF GeoScience Lab

During the "Kenya Landuse Change" project conducted by the Climate Change Unit at ICRAF, several thousand aerial images were collected from surveys done in 1983 and 2012, respectively. During the last three months, the ICRAF GeoScience Lab has georeferenced this image archive to an accuracy of ~5m or better, with the help of six interns ...

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R seminar series - part 2

Last update on Feb. 11, 2015.

Second seminar of "R seminar series" was held in ICRAF, Anthony Ndungu (andungu@cgiar.org) from Research Method Group (RMG) presented "Introduction to R". He also demonstrated RStudio Integrated Development Environment (IDE) and few examples. 

Presentation for this seminar is available at this link. Complete source code for each example is available at this link ...

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R user community @ ICRAF

Last update on Jan. 29, 2015.

R user community @ ICRAF

The ICRAF GeoScience Lab and Research Methods Group are launching a weekly brown-bag seminar series at ICRAF. The two main objectives of the seminars are to:

  • establish a R community of practice at ICRAF
  • stimulate sharing of experiences and knowledge
  • stimulate reproducible research

This space (http://landscapeportal.org/blog/categories/R) will be used to ...

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Landscapeportal added to the Geonode gallery and mentioned at FOSS4G2014

Last update on Nov. 5, 2014.

The landscapeportal, World Agroforestry Centre (ICRAF) website dedicated to sharing, visualization and in the future processing of spatial information, uniquely generated by ICRAF, was officially added to the Geonode gallery as a show case of organizations that uses Geonode, and open source Django web framework, that is used to create sites for sharing and distributing ...

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Landscape portal at annual CGIAR-CSI meeting, Enschede

Last update on Oct. 28, 2014.

Landscape portal at annual CGIAR-CSI meeting, Enschede

The ICRAF GeoScience Lab (GSL) recently participated in the CGIAR CSI meeting in Enschede, the Netherlands. During this meeting, the Landscapes Portal was presented (presentation link) along with some of its salient features (e.g time series tools, blog module etc.).


CGIAR is in the process of finalizing its Open Data policy and soon all ...

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Landscape portal data status

Last update on Aug. 22, 2014.

After six months (of inauguration, version 3), our data portal is growing day by day. About two months back we created an extent map of all the data sets in our portal (see below). 

This time we decided to create a video. It shows the extent of all the data sets in landscape portal. 


Cool ...

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Explore data from our network of LDSF sites in the Sentinel Landscapes

Last update on Aug. 5, 2014.

Explore data from our network of LDSF sites in the Sentinel Landscapes

We are in the process of developing an interactive online mapping and analytical platform, and have just released a test version for the Sentinel Landscapes initiative. Click here to run the application in a new window in your browser. You can also view the sites on the Landscapes Portal here.

Usage statistics for the Landscapes Portal

Last update on June 26, 2014.

Usage statistics for the Landscapes Portal

The Landscapes Portal is growing rapidly. Into our fourth month, the Landscapes Portal has around five hundred unique data sets with complete meta-data and more than two hundred registered users that are uploading and sharing spatial data and maps. We saw a lot of interest in the last two months with more than four thousand ...

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Mapping the source of soil erosion

Last update on May 21, 2014.

Mapping the source of soil erosion

Predicting soil erosion

Conventional soil erosion models are generally based on the Universal Soil Loss Equation (USLE), or a revised (RUSLE) or modified (Williams and Berndt (1977)) version of the USLE. Betrie et al (2011) used the Soil and Water Assessment Tool (SWAT), which uses MUSLE to compute soil erosion, to model sediment transport in ...

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