Interesting Paper and Data: Global Forest Loss (Hansen et al. 2013)

Just some moments ago (on the 15th of November 2013, so not yet in Europe šŸ˜€ ) a new very interesting paper came out in Science presenting a new High-resolution dataset of global forest loss in the last decade. It is written by the authors of already existing widely used datasets, such as GLCF and CARPE, in corporation with Google.

Hansen et al. (2013), High-Resolution Global Maps of 21st-Century Forest Cover Change

“In this study, Earth observation satellite data were used to map global forest loss (2.3 million square kilometers) and gain (0.8 million square kilometers) from 2000 to 2012 at a spatial resolution of 30 meters. The tropics were the only climate domain to exhibit a trend, with forest loss increasing by 2101 square kilometers per year.”

Not surprisingly only the tropical rain-forest was found to posses a negative trend in the last decade. Most likely because of shifting agriculture, clash-and-burn practices and large scale deforestations due to monoculture cultivation of Palmoil, Soy and Jatropha. Quite impressively they used overĀ  654,178 Landsat images in a time-series analysis to in characterize forest extent and change in the time from 2000 to 2012. Google apparently helped out with the computation (cloud-computing). And the best thing is: You can view the data

Google Viewer of Hansens et al. 2013 forest loss dataset

Google Viewer of Hansens et al. 2013 forest loss dataset

online via Google.

Online view of Global Forest Change

At the bottom you can find a Data download link, which makes the whole thing very interesting for follow-up research! Check it out!

EDIT: Apparently download is not yet available for the public. Will keep you updated!

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About Martin Jung

PhD researcher at the University of Sussex. Interested in nature conservation, ecology and biodiversity as well as statistics, GIS and 'big data'
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