Nigerian engineers learn to map African resources using NigeriaSat-1

April 17, 2009 -- Nigeria will soon be able to map and monitor African resources with local expertise. Nigeria’s first satellite imaging engineers are receiving hands-on training at DMCii in Guildford, UK, to manage and process the images NigeriaSat-1 and the future NigeriaSat-2 and NX satellites upon their return to Nigeria.

Now in training, Oludare Mabogunje and Kennedy Uti will play a crucial part in Nigeria’s future space program, developing African satellite imaging capability for monitoring desertification, land use, water resources and international disasters.

The training and development program with DMCii complements the training of Nigerian engineers within parent company SSTL that is reinforcing Nigeria’s space program with fully qualified native talent. Oludare and Kennedy balance their weeks between lectures at the nearby University of Surrey, coursework and hands-on satellite image processing at DMCii as part of an intensive 16 month training programme.

Mr.Uti explained, ”It can be hard work but it’s very interesting learning about satellite imaging. We work with DMCii 5 days a week and fit in our studies too. We are also adjusting to the cold weather in England, but the DMCii operational team have given us a
warm welcome and we have been learning to use NigeriaSat-1 to acquire images.”

Mr. Mabogunje elaborated, “One of the most rewarding jobs so far has been tasking NigeriaSat-1 to map the course of the river Niger. There’s more to it than just processing the satellite images, for example we had to check the weather reports to plan when to acquire cloud-free images of the river and that’s something you can only learn from experience.”

NigeriaSat-1’s imagery is very valuable and effective for mapping changes in land use such as mapping city growth, predicting crop yields and water resource monitoring. The satellite is currently providing regular images in order to map the spread of desertification in West Africa. In separate campaigns it is also being used to map the course of the river Niger and contributing to land use mapping in South Africa.

Once the satellite has been told where to take the images (“tasked”) using a computer based planning system called an MPS, the images are downloaded from the satellite and processed to turn them into useful information.

To date, the Nigerian trainees have also honed their skills response to the International Charter: Space and Major Disasters, which is a global effort to coordinate satellite imaging of natural disasters from space including flooding and wild fires.

An important part of the technical training is to learn about image processing techniques that remove distortion from data, and orthorectification – the process of lining up the image data with geographical navigation information so it can used to make maps for governments and relief agencies.

Mr. Mabogunje elaborated, “One of the highlights so far was imaging the recent flooding in Vietnam. We chose opportunities to acquire satellite imagery and then processed our own images. Synchronising the images with geo-navigation was the most difficult part because it requires a lot of skill and experience to get 1-2 metre accuracy, but we are learning about these things now.”

About DMC International Imaging Ltd
DMC International Imaging Ltd (DMCii) is a UK based supplier of remote sensing data products and services for international Earth Observation (EO) markets. DMCii supplies programmed and archived optical satellite imagery provided by the multi-satellite Disaster Monitoring Constellation (DMC). DMC data is now used in a wide variety of commercial and government applications including agriculture, forestry and environmental mapping.

In partnership with the British National Space Centre (BNSC) and the other DMC member nations (Algeria, China, Nigeria, Turkey and Spain), DMCii works with the International Charter: ‘Space and Major Disasters’ to provide free satellite imagery for humanitarian use in the event of major international disasters such as tsunami, hurricanes, fires and flooding.

DMCii was formed in October 2004 and is a subsidiary of Surrey Satellite Technology Ltd, the world leader in small satellite technology. SSTL designed and built the DMC with the support of the BNSC and in conjunction with the DMC member nations Algeria, China, Nigeria, Turkey and Spain.

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