Within the framework of the Research Unit NEROGRAV (New Refined Observations of Climate Change from Spaceborne Gravity Missions), we focus on the computation of daily gravity field solutions using a Kalman filter approach. We use the RL07p GRACE/GRACE-FO daily normal equations, which incorporate refined stochastic mode...
Natalia Panafidina, M. Murböck, C. Dahle et al.· GRACE/GRACE-FO Science Team...· 0 citations
Inter-satellite ranging by space gravimetry missions, such as from the Gravity Recovery And Climate Experiment (GRACE) mission and its successor mission GRACE Follow-On, has been established to observe mass variations in the Earth system from space globally. A complex processing chain is needed to invert the instrume...
A. Jäggi, A. Güntner, Ulrich Meyer et al.· Surveys in geophysics· 0 citations
The central hypothesis of the Research Unit (RU) New Refined Observations of Climate Change from Spaceborne Gravity Missions (NEROGRAV) reads: only by concurrently improving and better understanding of sensor data, background models, and processing strategies of satellite gravimetry, the resolution, accuracy, and long-...
M. Murböck, C. Dahle, Natalia Panafidina et al.· GRACE/GRACE-FO Science Team...· 0 citations
This presentation will give an overview of GFZ's activities within the GRACE-FO Science Data System (SDS) including the current status of Level-2 and Level-3 products. It will also provide a high-level summary of the ongoing RL07 reprocessing campaign. First GFZ RL07 Level-2 products are expected to be published shortl...
C. Dahle, M. Hauk, M. Murböck et al.· GRACE/GRACE-FO Science Team...· 0 citations
Since 2018, the GRACE Follow-On satellite mission, a partnership between NASA (US) and GFZ (Germany), is continuing the unique essential climate data record of mass change in the Earth system initiated in 2002 by the GRACE mission (2002-2017). The combined GRACE & GRACE-FO data records now span over 22 years and provid...
F. Landerer, A. Eicker, H. Save et al.· GRACE/GRACE-FO Science Team...· 0 citations
Over nearly 25 years, GRACE and GRACE-FO have matured from a novel observing system into an operational-grade data source, with terrestrial water storage anomaly (TWSA) and, derived from this, groundwater storage change (GWSC) products now feeding directly into drought, flood, and water-availability assessments. Despit...
J. Haas, E. Boergens, C. Dahle et al.· GRACE/GRACE-FO Science Team...· 0 citations
Mascon solutions estimate mass changes directly on predefined surface elements, rather than only representing them by spherical harmonic coefficients. They are useful for regional water storage, ice-mass, and ocean applications, and are already provided by several groups such as GSFC, JPL and CSR. In the framework of G...
J. Wilms, C. Dahle, M. Hauk et al.· GRACE/GRACE-FO Science Team...· 0 citations
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