The Earth and Mission Science Division is a group of European Space Agency (ESA) staff mission scientists, contractors, research fellows, young graduates, trainees, and administrative staff working within the Climate Action, Sustainability and Science Department of the Directorate of Earth Observation Programmes. The Division is located at ESA's European Space Research and Technology Centre in Noordwijk, South Holland, The Netherlands.
The Earth and Mission Science Division (MSD) supports the preparation, development and operations of research and operational missions within the Earth Observation Programmes Directorate. The Division is responsible for ensuring the application of scientific and other user community requirements in all phases of the development of Earth Observation missions, from precursor studies through to in-orbit satellite operations, and for ensuring coherence throughout with the objectives expressed in the mission requirements documents, including the management of mission-, instrument-specific, or ad-hoc advisory structures (as required). The Division organises and supports the activities of the Advisory Committee for Earth Observation (ACEO), including management and implementation of the scientific selection procedure for ESA research missions.
In support of the preparation of new mission concepts, or development and operations of each ESA approved Earth Observation mission, the Division conceives, initiates and conducts supporting scientific studies (in house and external) to ensure that the mission is "fit for purpose". In addition, the Division organises, coordinates and executes Campaigns for the purpose of acquiring airborne, balloon-borne, or in-situ data. Campaigns are specifically designed in support of technology or mission concept development, mission development, data simulation, and instrument calibration or product validation purposes. Campaign data are distributed publicly.
European Space Research and Technology Centre
Aerial view of ESA's Technical Centre ESTEC in Noordwijk, Netherlands
Dr. Thorsten Fehr (Head of Earth and Mission Science Division)
Dr. Cristian Rossi (Head of Earth Surfaces and Interior Section)
Dr. Malcolm Davidson (Head of Campaigns Section)
Dr. Ben Veihelmann (Acting Head of Atmospheric Section).
Research Missions
ESA's Earth Observation research missions comprise Earth Explorers, Missions of Opportunity, and Scout missions.
The Earth and Mission Science Division has published several Calls for Proposals of Mission Ideas, and prepared and contributed to the approval of ten science-driven ESA Earth Explorers , with three candidates selected from proposals to the 2017 Call for core Earth Explorer mission ideas; and four candidates selected from the 2020 Call for Earth Explorer research mission ideas, namely:
A Call for proposals for Earth Explorer 11 (EE-11) mission ideas was released on 25 May 2020. The Call closed in December 2020, with 15 proposals submitted via the EO Proposals Submission (EOPRO) Website | https://eopro.esa.int. Upon peer review of all proposals, the following four candidate ideas were selected for Phase 0 pre-feasibility study in June 2021:
On 10-11 October 2023 the Earth Explorer 11 User Consultation Meeting was held in Bucharest, Romania, after which two of the candidates, CAIRT and WIVERN, were selected in November 2023 by ESA Member States to proceed to Phase A.
The SAOCOM Companion Satellite (SAOCOM-CS) formation flying mission was a candidate Mission of Opportunity which was studied at Phase A in 2014–16 in response to an opportunity from the Argentinian Space Agency (Comisión Nacional de Actividades Espaciales Argentina - CONAE) to design, develop and launch a companion satellite with "passive" radar working in tandem with the SAOCOM-1B L-band radar mission. The primary objective of SAOCOM-CS was to exploit bi-static modes for land applications, and to perform forest tomography exploiting small baselines between active and passive systems (of order of km) changing with time. SAOCOM-CS did not proceed to implementation.
The Next Generation Gravity Mission (NGGM)[5] is a candidate Mission of Opportunity studied in the frame of the ESA–NASA Mass Change and Geosciences International Constellation (MAGIC). The mission aims at enabling long-term monitoring of the temporal variations of Earth's gravity field at relatively high temporal (down to 3 days) and increased spatial resolutions (up to 100 km) at longer time intervals. The NGGM mission concept, based on European technical developments for the CHAMP, GOCE, GRACE and GRACE-FO missions[5] would deliver continuity and a sustained satellite gravimetry dataset relevant for climate applications.
Operational Missions
The Division currently supports the development of six series of approved Copernicus Programme Sentinel Missions, six Copernicus Expansion missions, and four Copernicus Next Generation missions as part of the Space Component of the joint EC/ESA Copernicus initiative. It has supported the development of MetOp, and is currently active in supporting the preparation of MetOp Second Generation (MetOp-SG). Recently, the TRUTHS mission was approved for preparatory phase activities as a potential Earth Watch mission.
Copernicus Space Component missions
Sentinel 1 – (Sentinel-1A launched successfully on 3 April 2014 and Sentinel-1B on 25 April 2016)[6]
Sentinel 2 – (Sentinel-2A launched successfully on 23 June 2015 and Sentinel-2B on 7 March 2017)[7]
Sentinel 3 – (Sentinel-3A launched successfully on 16 February 2016 and Sentinel-3B launch scheduled in April 2018)[8][9]
Sentinel 6 – (also known as Jason Continuity of Service – Jason-CS).[11]
In preparation for the second-generation of Copernicus (Copernicus2.0), six Sentinel "Expansion" missions are being developed by ESA to address EU Policy and gaps in user needs, and to increase the current capabilities of the Copernicus Space Component:
CO2M – Anthropogenic CO2 emissions Monitoring mission[12][13][14]
LSTM – High spatio-temporal resolution Land Surface Temperature Mission[12][15][16]
CRISTAL – Copernicus PolaR Ice and Snow Topography Altimeter mission[12][17][13]
CHIME – Copernicus Hyperspectral Imaging Mission for the Environment [12][13][18]
ROSE-L – Radar Observing System for Europe - L-band SAR mission.[12][20][13]
In preparation for Copernicus2.0, design concepts for four next generation Sentinels (Sentinel-NG) are being prepared by ESA within its FutureEO Programme, to deliver enhanced continuity to the first generation Sentinel satellites:
Sentinel 1 NG
Sentinel 2 NG
Sentinel 3 NG Topography
Sentinel 3 NG Optical/IR.
Meteorological Satellite Series
The Division also presently supports the development of several instruments out of the 10 instrument payload of the approved series of second generation MetOp satellites. The MetOp-SG series is developed in cooperation with EUMETSAT, as part of the EUMETSAT Polar System – Second Generation initiative. EPS-SG represents Europe's contribution to the future Joint Polar System (JPS).
MWS (MicroWave Sounder), to provide atmospheric temperature and humidity profiles
SCA (Scatterometer), to provide ocean surface wind vectors and land surface soil moisture
RO (Radio Occultation sounder), to provide atmospheric temperature and humidity profiles, as well as information about the ionosphere
MWI (MicroWave Imager), to provide precipitation monitoring as well as sea ice extent information
ICI (Ice and Cloud Imager), to measure cloud ice water path, properties and altitude
3MI (Multi-viewing, Multi-channel, Multi-polarisation Imager), to provide information on atmospheric aerosols
UVNS/S5 (Ultra-Violet /Visible/Near Infrared/Short Wave Infrared spectrometer -Sentinel-5) instrument, to monitor various trace gases, air quality and support climate monitoring.
Earth Watch
The Division is currently supporting the feasibility phase of the following potential future mission:
TRUTHS [21] (Traceable Radiometry Underpinning Terrestrial- and Helio- Studies) mission proposed by the UK, to establish an SI-traceable space-based climate and calibration observing system to improve confidence in climate-change forecasts – a kind of ‘standards laboratory in space’.
References
↑ Drinkwater, M. R.; Floberghagen, R.; Haagmans, R.; Muzi, D.; Popescu, A. (2003), Beutler, G.; Drinkwater, M. R.; Rummel, R.; Von Steiger, R. (eds.), "GOCE: ESA's First Earth Explorer Core Mission", Earth Gravity Field from Space — From Sensors to Earth Sciences: Proceedings of an ISSI Workshop 11–15 March 2002, Bern, Switzerland, Space Sciences Series of ISSI, vol.17, Dordrecht: Springer Netherlands, pp.419–432, Bibcode:2003egfs.conf..419D, doi:10.1007/978-94-017-1333-7_36, ISBN978-94-017-1333-7
↑ Aguirre, Miguel; Baillion, Yvan; Berruti, Bruno; Drinkwater, Mark (2009), Olla, Phillip (ed.), "Operational Oceanography and the Sentinel-3 System", Space Technologies for the Benefit of Human Society and Earth, Dordrecht: Springer Netherlands, pp.75–98, doi:10.1007/978-1-4020-9573-3_4, ISBN978-1-4020-9573-3
↑ Janssens-Maenhout, Greet, B. Pinty, M. Dowell, H. Zunker, E. Andersson, G. Balsamo, J.-L. Bézy, T. Brunhes, H. Bösch, B. Bojkov, D. Brunner, M. Buchwitz, D. Crisp, P. Ciais, P. Counet, D. Dee, H. Denier van der Gon, H. Dolman, M. R. Drinkwater, O. Dubovik, R. Engelen, T. Fehr, V. Fernandez, M. Heimann, K. Holmlund, S. Houweling, R. Husband, O. Juvyns, A. Kentarchos, J. Landgraf, R. Lang, A. Löscher, J. Marshall, Y. Meijer, M. Nakajima, P. I. Palmer, P. Peylin, P. Rayner, M. Scholze, B. Sierk, J. Tamminen, and P. Veefkind (1 August 2020). "Toward an Operational Anthropogenic CO2 Emissions Monitoring and Verification Support Capacity". Bulletin of the American Meteorological Society. 101 (8): E1439 –E1451. doi:10.1175/BAMS-D-19-0017.1. hdl:21.11116/0000-0006-483C-7– via AMS.{{cite journal}}: CS1 maint: multiple names: authors list (link)
↑ Koetz, Benjamin; Bastiaanssen, Wim; Berger, Michael; Defourney, Pierre; Del Bello, Umberto; Drusch, Matthias; Drinkwater, Mark; Duca, Ricardo; Fernandez, Valerie; Ghent, Darren; Guzinski, Radoslaw (July 2018). "High Spatio- Temporal Resolution Land Surface Temperature Mission - a Copernicus Candidate Mission in Support of Agricultural Monitoring". IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium. pp.8160–8162. doi:10.1109/IGARSS.2018.8517433. ISBN978-1-5386-7150-4. S2CID53231965.
↑ Celesti, Marco (17 July 2022). "The Copernicus Hyperspectral Imaging Mission for the Environment (Chime): Status and Planning". IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium. pp.5011–5014. doi:10.1109/IGARSS46834.2022.9883592. ISBN978-1-6654-2792-0. S2CID252590036– via IEEE GRSS.
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