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GRACE-FO Mission Brochure

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Changes in how mass is distributed within and between Earth’s atmosphere, oceans, groundwater and ice sheets are fundamental indicators of the large-scale dynamics of the planet. For more than 15 years, NASA’s Gravity Recovery and Climate Experiment (GRACE) mission monitored mass changes every month with far-reaching impact on our understanding of the Earth system and how it is evolving. GRACE Follow-On (GRACE-FO) continues the legacy of GRACE, tracking Earth’s water movement and surface mass changes across the planet. Monitoring changes in ice sheets and glaciers, near-surface and underground water storage, the amount of water in large lakes and rivers, as well as changes in sea level and ocean currents provides an integrated global view of how Earth’s water cycle and energy balance are evolving—measurements that have important applications for everyday life.
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