Eppley and Peterson, 1979

Betzer et al., 1994

Baines et al., 1994

Laws et al., 2000

Laws et al., 2011 (Eq.2)

Laws et al., 2011 (Eq.3)

Dunne et al., 2005

Westberry et al., 2012

Li and Cassar, 2016 (GP)

Li and Cassar, 2016 (SVR)