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Geographic locations and Information about these locations shows us where social environmental and economic conditions occur, where people at risk from natural disasters are located, how many people need assistance following a conflict and do not have access to good health care, education, freshwater or public transports.
Mapping with high resolution satellite data has become important for strengthening vulnerable places around the world affected by epidemics, conflicts, natural disasters, poverty or environmental problems and so on. Maps with detailed information allows governments to take better policy decisions and aid organisations to offer better assistance to areas in need.
The volume of data in the world is increasing exponentially. By some estimates, 90% of the data currently existing worldwide has been created in the last two years, and it is projected to increase by 40% annually.
With the recent development in Earth Observation (EO) technologies there are more and more satellite orbiting the Earth and many of them record important data. The price of using such technologies has decreased considerably in the past few years, with some of it even becoming freely available.
Over the last two decades Geo-spatial Information Technology (GIT) has rapidly developed and is now being also called an “enabling technology” due to the benefit it offers across different application domains. GIT can help us to analyse why and where things have happened in the past.