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New Case Study: Office of Environment and Heritage solves data access issues with AARNet

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Satellite image used by OEH researchers for land mangement

A customized AARNet network solution has greatly improved access to essential satellite imagery and geospatial data for researchers who help inform government policy on land management.

Researchers at the New South Wales Office of Environment and Heritage (OEH) carry out remote sensing analysis, mapping and modelling using images of the Australian landscape beamed to earth by European Sentinel satellites, which are accessed via the Copernicus Australasia Regional Data Hub located at the National Computing Infrastructure in Canberra.

Tony Gill, OEH Remote Sensing Scientist and Programmer, explained that commercial internet service providers proved to be unreliable for the daily transfer of the thousands of high-resolution images required for their work.

“We had to be very judicious in the choice of imagery we used for analysis and this was impacting the accuracy of our modelling,” said Gill.

AARNet engineers worked with Gill and the OEH IT team to develop the customized solution, which includes the deployment of a new capability for accessing large data stores at the NCI and technical expertise to augment existing OEH IT resources.

A low latency, scalable 1 Gigabit per second AARNet connection, coupled with implementation of Science DMZ architecture to separate the big data transfers from day-to-day business traffic, ensures reliable access to exponential volumes of Sentinel imagery for the scientists at the OEH.

“What used to take a week to download in an unreliable fashion, now takes 15 minutes. We can also now retrieve every image captured for NSW within a couple of days of being acquired instead of only being able to manage a small portion,” says Gill.

“AARNet connectivity gives us more power to do more sophisticated analysis and makes our data more accurate.”

Read the full case study: Improving accuracy of information used for land management.


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