Abstract
The European Space Agency (ESA) has the mandate to assure the long-term preservation, sharing and exploitation of space data and its associated knowledge. ESA’s aim is to turn space exploration and space-related activities into an overall societal project involving a wide variety of stakeholders. To this end, it brings together and coordinates as many countries as possible under the banner of space missions. It is a basic principle that ESA deals with its stakeholders openly and with real transparency, an approach that has contributed to its long-term success. The Earth Observation (EO) Data Preservation System has the main objective of providing the required infrastructure and services to assure ESA and Third Party Missions (TPM) EO Data Records and Associated Knowledge preservation and accessibility, and to support the cooperation activities with national and international organizations in the data preservation domain. The generic “EO Missions/Sensors Preserved Dataset” content includes Data Records and Associated Knowledge.
Highlights
The Earth Observation (EO) Data Preservation System has the main objective of providing the required infrastructure and services to assure European Space Agency (ESA) and Third Party Missions (TPM) EO Data Records and Associated Knowledge preservation and accessibility, and to support the cooperation activities with national and international organizations in the data preservation domain
The main components of the Earth Observation (EO) Data Preservation System involved in the preservation process are the Management System for Data and Associated Knowledge (KMS), Data Information System (DIS), Master Archive (MAR), Cold Back-up Archive (CBA)
The concept of Data Information Service arises from the service requirements ESA included within the Data Service Initiative (DSI) program modelling systems and processes to enable the management of ESA’s EO Data as a standard asset
Summary
The EO Data Preservation System has the main objective of providing the required infrastructure and services to assure ESA and Third Party Missions (TPM) EO Data Records and Associated Knowledge preservation and accessibility, and to support the cooperation activities with national and international organizations in the data preservation domain. The concept of Data Information Service arises from the service requirements ESA included within the Data Service Initiative (DSI) program modelling systems and processes to enable the management of ESA’s EO Data as a standard asset. These requirements ensure that metadata for each product is collected in a database and the data element itself is systematically stored with full track of all value added to the data during the service activities. The underlying database storing all information is well suited to report on the activities within the DSI and other services and to present zoom-able level of detail for any EO Data asset held by ESA, making the tool useful to staff involved in operational support to management and decision-making. This paper describes the features of the system and any relevant preservation processes
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