NCEP/NCAR axial AAM maps prepared by Zhou Y.H. in ShAO

mass term (IB)

MSSA processed data

L=219, mean subtracted before processing, 1995-2000 interval

PC 1 (1+2) mean

PC 2 (3+4) annual

PC 3 (5+6) trend

PC 4 (7+8) related with El Nino

PC 5 (9+10) 1/3 year

PC 6 (12+13) biannual

MSSA processed data

L=72, mean was not subtracted before processing

PC 1 mean

PC 2 (2+3) annual

PC 3 (4+5) semiannual

PC 4 (7+10) quasi-biannual

PC 5 (8+9) 1/3 year

Sum of nine first PCs 2-10 without mean (1st PC)

Difference between the initial signal and ten first PCs 1-10

motion term

MSSA processed data

L=219, mean was subtracted before processing

PC 1 (1+2) mean

PC 2 (3+4) annual

PC 3 (7) trend

PC 4 (5+6) related with El Nino

PC 5 (8+9+10) quasi-biannual

PC 6 (11+12) 1/3 year

MSSA processed data

L=72, mean was not subtracted before processing

PC 1 mean

PC 2 (2+3) annual

PC 3 (4+5) semiannual

PC 4 (7+8) quasi-biannual

PC 5 (9+10) 1/3 year

Sum of ten first PCs 1-10

Difference between the initial signal and ten first PCs 1-10

our publications on MSSA