Articles | Volume 12, issue 2
Earth Syst. Sci. Data, 12, 1385–1417, 2020
https://doi.org/10.5194/essd-12-1385-2020
Earth Syst. Sci. Data, 12, 1385–1417, 2020
https://doi.org/10.5194/essd-12-1385-2020
Data description paper
22 Jun 2020
Data description paper | 22 Jun 2020

Description of the multi-approach gravity field models from Swarm GPS data

João Teixeira da Encarnação et al.

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Cited articles

Allende-Alba, G., Montenbruck, O., Jäggi, A., Arnold, D., and Zangerl, F.: Reduced-dynamic and kinematic baseline determination for the Swarm mission, GPS Solutions, 21, 1275–1284, https://doi.org/10.1007/s10291-017-0611-z, 2017. 
Barkstrom, B. R. and Smith, G. L.: The Earth Radiation Budget Experiment: Science and implementation, Rev. Geophys., 24, 379–390, https://doi.org/10.1029/RG024i002p00379, 1986. 
Bettadpur, S.: UTCSR Level-2 Processing Standards Document For Level-2 Product Release 0006, Tech. rep., Center for Space Research, Austin, USA, available at: https://podaac-tools.jpl.nasa.gov/drive/files/allData/grace/docs/TN-11_C20_SLR.txt (last access: 5 June 2020), 2018. 
Beutler, G., Jäggi, A., Mervart, L., and Meyer, U.: The celestial mechanics approach: theoretical foundations, J. Geodesy, 84, 605–624, https://doi.org/10.1007/s00190-010-0401-7, 2010. 
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Short summary
Although not the primary mission of the Swarm three-satellite constellation, the sensors on these satellites are accurate enough to measure the melting and accumulation of Earth’s ice reservoirs, precipitation cycles, floods, and droughts, amongst others. Swarm sees these changes well compared to the dedicated GRACE satellites at spatial scales of roughly 1500 km. Swarm confirms most GRACE observations, such as the large ice melting in Greenland and the wet and dry seasons in the Amazon.