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.

Data sets

Multi-approach Gravity Field Models from Swarm GPS data J. Encarnacao, P. Visser, A. Jaeggi, A. Bezdek, T. Mayer-Gürr, C. Shum, D. Arnold, E. Doornbos, M. Elmer, J. Guo, J. van den IJssel, E. Iorfida, J. Klokocnik, S. Krauss, X. Mao, U. Meyer, J. Sebera, C. Zhang, and Y. Zhang https://doi.org/10.5880/ICGEM.2019.006

Model code and software

Swarm monthly models ESA https://swarm-diss.eo.esa.int/

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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.