EGU23-5189
https://doi.org/10.5194/egusphere-egu23-5189
EGU General Assembly 2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

The drivers of decadal fluctuation in the global mean sea level rise 

Hyeonsoo Cha1, Jae-Hong Moon2, Taekyun Kim3, and Y. Tony Song4
Hyeonsoo Cha et al.
  • 1Jeju National University, College of Ocean Sciences, Department of Earth and Marine Sciences, Korea, Republic of (chasc0050@gmail.com)
  • 2Jeju National University, College of Ocean Sciences, Department of Earth and Marine Sciences, Korea, Republic of (jhmoon@jejunu.ac.kr)
  • 3Jeju National University, College of Ocean Sciences, Department of Earth and Marine Sciences, Korea, Republic of (tkkim79@gmail.com)
  • 4Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States of America (yuhe.t.song.dr@jpl.nasa.gov)

Recent advances in satellite and in-situ measurements have enabled the monitoring of GMSL budget components and provided insights into ocean effects on the Earth’s energy imbalance and hydrology. The global mean sea level rise slowed over the 2000s, which coincides with a global warming hiatus period, but has accelerated again since 2011. This decadal fluctuation in GMSL rise can be attributed to climate-related fluctuation in ocean heat and mass change. Sea level and Earth’s energy budget results demonstrate that the decadal climate variability has resulted in ocean mass loss and decreased ocean heat uptake, slowing the GMSL rise rate during the 2000s. After ~2011, the climate-driven fluctuations of ocean mass, heat, and GMSL rise rate were reversed. This result highlights the importance of natural variability in understanding the ongoing sea-level rise.

How to cite: Cha, H., Moon, J.-H., Kim, T., and Song, Y. T.: The drivers of decadal fluctuation in the global mean sea level rise , EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-5189, https://doi.org/10.5194/egusphere-egu23-5189, 2023.