Abstract
As an extension of the PROBA-Vegetation (PROBA-V) user segment, the European Space Agency (ESA), de Vlaamse Instelling voor Technologisch Onderzoek (VITO), and partners TRASYS and Spacebel developed an operational Mission Exploitation Platform (MEP) to drastically improve the exploitation of the PROBA-V Earth Observation (EO) data archive, the archive from the historical SPOT-VEGETATION mission, and derived products by researchers, service providers, and thematic users. The analysis of the time series of data (petabyte range) is addressed, as well as the large scale on-demand processing of the complete archive, including near real-time data. The platform consists of a private cloud environment, a Hadoop-based processing environment and a data manager. Several applications are released to the users, e.g., a full resolution viewing service, a time series viewer, pre-defined on-demand processing chains, and virtual machines with powerful tools and access to the data. After an initial release in January 2016 a research platform was deployed gradually, allowing users to design, debug, and test applications on the platform. From the PROBA-V MEP, access to, e.g., Sentinel-2 and Sentinel-3 data will be addressed as well.
Highlights
The concept of a Mission Exploitation Platform (MEP) has been elaborated by the European Space Agency (ESA) after a series of consultations and inputs received, starting from the large survey conducted at the time of the Living Planet symposium in Edinburgh in September 2013
The reasons for deploying a Mission Exploitation Platform dedicated to the PROBA-V mission are numerous:
Based on on our our experience experience we we learned learned that, that, by by doing so, we can significantly increase the performance but a good knowledge of Hadoop doing so, we can significantly increase the performance but a good knowledge of Hadoop is is aa prerequisite thisthis approach requires considerably more development time
Summary
The concept of a Mission Exploitation (or Community) Platform (MEP) has been elaborated by the ESA after a series of consultations and inputs received, starting from the large survey conducted at the time of the Living Planet symposium in Edinburgh in September 2013. Earth Observation (EO) satellite data combined with the latest technological evolutions has generated growing expectations, with the perspective of reaching new users. In this context, access to EO data and generation of services means: ‚. An increase the amount of data available (EO and non EO, including fiducial reference data), both to science and downstream services; Ensure shorter time for delivery; Increase collaboration; Guarantee quality/reliability of the data; and Improve flexibility to respond to changing demands and expectations. The European industry requested support from the ESA for the development of Big. Data from space-related applications, services, and the development of enabling technologies in order to ensure international competitiveness and reach new user segments beyond science and meteorology. There is a clear convergence to the paradigm of "user-oriented" exploitation platforms being the response to the Big Data from space challenge (variety, veracity, and velocity for the usability of the EO data for decision-making processes)
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