EnMAP - From Data Access, Planning, Processing to Image Product Delivery

Abstract

EnMAP (Environmental Mapping and Analysis Program) is a German hyperspectral satellite mission anticipated to be launched by end of 2020. The EnMAP Ground Segment will be realized and operated by the German Aerospace Center (DLR) covering all aspects relevant to assure successful mission operations. This comprises amongst others hyperspectral data processing, data archiving, data dissemination, and providing web-interfaces to the international user community. This paper provides a brief insight in the concepts and design of the EnMAP user interfaces, and gives an overview of functionalities from observation request scenarios, data processing to image product delivery. The EnMAP Portal (www.enmap.org) is the central entry point for all users interested to learn about the EnMAP mission, its objectives, status, and results. In contrast the EnMAP Data Access Portal links to a set of functions for registered users that will support the international EnMAP user community. This portal includes planning support and ordering interface for data products based on future EnMAP acquisitions and a proposal portal allowing submission of proposal for all users responding to a Data Announcement of Opportunity (AO). The catalogue and order service (EOWEB® GeoPortal) allows browsing and ordering of EnMAP data products based on Level 0 that have previously been acquired, processed, and archived in the product library. A fully-automatic on-ground processing chain generates standardized calibrated image products at three levels from L1B Top-of-Atmosphere (TOA) radiances, L1C (orthorectified) to L2A atmospherically corrected Bottom-of-Atmosphere (BOA) reflectances with separate/combined algorithms for land and water applications.