EMRP project International timescales with optical clocks (SIB55 ITOC) will help prepare for a future redefinition of the second and provide the scientific community with a basis for tests of fundamental physical theories. The project will carry out a programme of frequency comparisons between clocks including a complete evaluation of all relativistic effects including the gravitational redshift of the optical clock frequencies which depends on the local gravitational potential experienced by each clock. The work will therefore demonstrate the impact that high accuracy optical atomic clocks with clearly verified levels of performance could have on the field of geodesy.
Partners will be presenting at the symposium. During the last decade, geodesy in general and gravity field modelling in particular, have experienced a notable swing in both their recognition and end-product use by many scientific disciplines. Alongside came advancements in traditional terrestrial, airborne and shipborne gravity instrumentation which offer considerable improvements in gravity networks and the monitoring of gravity variations. The GGHS2016 'Gravity, Geoid and Height Systems 2016' Meeting is the first Joint Commission2 and IGFS Symposium co-organized with GGOS Focus Area 1 'Unified Height System'. Its main focus is on methods for observing, estimating and interpreting the Earth gravity field as well as its applications.
