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Space CARBon Observatory

Project description

Cost-efficient technology to trace anthropogenic carbon emissions

In 2015, experts proposed a strategy for monitoring fossil CO2 emissions in Europe. In line with these recommendations, the EU-funded SCARBO project, led by Airbus Defence and Space, will investigate a new approach to tracking human-caused greenhouse gas (GHG) emissions, using innovative technologies. SCARBO will develop a miniaturised static spectrometer and a constellation of small satellites to provide repetitive, global GHG monitoring at the cost of two mid-sized satellites. The challenge is to overcome technological and economic roadblocks of current GHG missions while ensuring accurate, timely measurements. The project will design, analyse and model the NanoCarb CO2 instrument (imaging interferometer). SCARBO could enable Europe to affordably trace human-caused CO2 and CH4 emissions accurately and at an unprecedented temporal resolution.

Objective

In October 2015, a group of scientific and technical experts released a report to help the Commission implement a strategy “Towards a European operational observing system to monitor fossil CO2 emissions” [Ciais et al.]. Along the lines of the recommendations of this report, the SCARBO project is tackling the challenge of anthropogenic GHG monitoring by investigating a new concept based on innovative technologies. The project, coordinated by Airbus Defence and Space, is handled by a consortium of 10 European organisations, including scientific institutes, SMEs and industry.
From the technological development of a miniaturised static spectrometer to an innovative mission concept based on a constellation of small satellites for the future operational GHG monitoring system, SCARBO will offer unprecedented measurement repetitiveness over the entire globe for the price of two mid-sized satellites.
The challenge of the project is to remove the technological and economic roadblocks and solve the difficulties of current GHG missions (uncertainties due to aerosols, provision of both high accuracy measurements and high temporal frequency of measurements within a reasonable cost envelope).
SCARBO consists in the detailed design, analysis and modelling of the miniaturised NanoCarb CO2 instrument concept, based on user need requirements and supported by performance simulations of the science data retrieval chain. NanoCarb is complemented by collocated ultra-compact aerosol sensor and CO2 reference instruments in order to deliver high accuracy measurements. The overall measurement concept is experimentally validated through a dedicated airborne campaign featuring instrument prototypes. The adequacy of the proposed concept is further assessed through the analysis of CO2/CH4 related real-life use cases.
SCARBO will pave the way for Europe to trace anthropogenic CO2 and CH4 emissions with both a high accuracy and an unprecedented temporal resolution, at an affordable cost.

Coordinator

AIRBUS DEFENCE AND SPACE SAS
Net EU contribution
€ 451 722,50
Address
31 RUE DES COSMONAUTES ZI DU PALAYS
31402 Toulouse Cedex
France

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Region
Occitanie Midi-Pyrénées Haute-Garonne
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
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Total cost
€ 451 722,50

Participants (11)