- Article
On the Annual and Semi-Annual Components of Variations in Extent of Arctic and Antarctic Sea-Ice
- Fernando Lopes,
- Vincent Courtillot,
- Dominique Gibert and
- Jean-Louis Le Mouël
In this paper, the 1978–2022 series of northern (NHSI) and southern (SHSI) hemisphere sea ice extent are submitted to singular spectral analysis (SSA). The trends are quasi-linear, decreasing for NHSI (by 58,300 km2/yr) and increasing for SHSI...

