Evolution of Atlantic Meridional Overturning Circulation since the last glaciation: model simulations and relevance to present and future

Z Liu - Philosophical Transactions of the Royal Society A, 2023 - royalsocietypublishing.org
The Atlantic Meridional Overturning Circulation (AMOC) and the associated water masses
have changed dramatically during the glacial–interglacial cycle. Here, I review some recent …

Reconstructing tropical monthly sea surface temperature variability by assimilating coral proxy datasets

W Hu, L Ning, Z Liu, J Liu, F Wu, M Yan… - npj Climate and …, 2024 - nature.com
Coral reconstruction often serves as a major proxy of high-resolution sea surface
temperature (SST) variability beyond the instrumental era. However, coral reconstructions …

Improving ensemble data assimilation through Probit-space Ensemble Size Expansion for Gaussian Copulas (PESE-GC)

MY Chan - Nonlinear Processes in Geophysics, 2024 - npg.copernicus.org
Abstract Small forecast ensemble sizes (< 100) are common in the ensemble data
assimilation (EnsDA) component of geophysical forecast systems, thus limiting the error …

A hybrid gain analog offline EnKF for paleoclimate data assimilation

H Sun, L Lei, Z Liu, L Ning… - Journal of Advances in …, 2024 - Wiley Online Library
For Paleoclimate data assimilation (PDA), a hybrid gain analog offline ensemble Kalman
filter (HGAOEnKF) is proposed. It keeps the benefits of the analog offline ensemble Kalman …

The importance of data assimilation components for initial conditions and subsequent error growth

Z Wang, H Sun, L Lei, ZM Tan, Y Zhang - Science China Earth Sciences, 2024 - Springer
Despite a specific data assimilation method, data assimilation (DA) in general can be
decomposed into components of the prior information, observation forward operator that is …