Skip to main content

Table 1 Mean rates of change of the SAA area in \(10^5\) \(\hbox {km}^2/\hbox {year}\) and of the coordinates of its center in \(^\circ\)/year for all models

From: Non-monotonic growth and motion of the South Atlantic Anomaly

Area 1840–1890 1890–1940 1940–2020 Total
S0 3.51 1.71 6.38 4.29
S1 3.18 0.27 4.56 2.98
Center longitude 1840–1940 1940–1980 1980–2020 Total
Min \(-\)0.268 \(-\)0.189 \(-\)0.175 \(-\)0.229
CM0 \(-\)0.166 0.068 \(-\)0.226 \(-\)0.127
CM1 \(-\)0.177 0.087 \(-\)0.172 \(-\)0.117
Center co-latitude 1840–1900 1900–1980 1980–2020 Total
Min 0.059 0.034 0.000 0.035
CM0 \(-\)0.007 0.085 \(-\)0.021 0.031
CM1 0.000 0.096 0.007 0.044
  1. Mean rates of change are given for specific periods motivated by Fig. 4 (see text) as well as for the entire period (denoted by ‘Total’)