Coefficients of the parabolic depth equation 2 and depth offset for XBTS deployed in low (SL) and high (SH) temperature waters (A non-dimensional, B in m-1 and Offset for Zoff in m ). Year ASL BSL ZoffSL ASH BSH ZoffSH 1968,-0.000109,-0.018, 3.4, 0.000100,-0.033, 2.4 1969, 0.000024,-0.079, 3.0, 0.000155,-0.072, 2.0 1970, 0.000014,-0.053, 3.0, 0.000146,-0.070, 2.1 1971,-0.000080, 0.012, 2.3, 0.000047,-0.020, 1.5 1972,-0.000165, 0.073, 1.7,-0.000032, 0.027, 1.0 1973,-0.000147, 0.089, 1.5,-0.000012, 0.029, 0.9 1974,-0.000069, 0.071, 1.6, 0.000062,-0.006, 1.2 1975,-0.000069, 0.074, 1.4, 0.000078,-0.021, 1.4 1976,-0.000137, 0.096, 1.0, 0.000027,-0.003, 1.3 1977,-0.000198, 0.120, 0.6, 0.000004, 0.015, 0.9 1978,-0.000216, 0.123, 0.4, 0.000034, 0.005, 0.6 1979,-0.000216, 0.110, 0.5, 0.000051,-0.008, 0.7 1980,-0.000222, 0.097, 0.7, 0.000063,-0.014, 0.9 1981,-0.000235, 0.083, 1.0, 0.000097,-0.030, 1.3 1982,-0.000250, 0.071, 1.1, 0.000114,-0.041, 1.6 1983,-0.000264, 0.059, 1.2, 0.000099,-0.041, 1.7 1984,-0.000245, 0.041, 1.3, 0.000072,-0.034, 1.8 1985,-0.000158, 0.019, 1.7, 0.000054,-0.025, 1.7 1986,-0.000039,-0.014, 2.2, 0.000056,-0.032, 1.6 1987, 0.000047,-0.042, 2.6, 0.000038,-0.029, 1.5 1988, 0.000067,-0.046, 2.7, 0.000013,-0.019, 1.3 1989, 0.000036,-0.037, 2.4, 0.000006,-0.012, 1.0 1990, 0.000010,-0.034, 2.2, 0.000009,-0.006, 0.8 1991,-0.000002,-0.033, 2.2,-0.000003, 0.003, 0.6 1992, 0.000003,-0.035, 2.4,-0.000018, 0.012, 0.5 1993, 0.000023,-0.041, 2.5, 0.000022,-0.002, 0.5 1994, 0.000009,-0.036, 2.3, 0.000069,-0.020, 0.7 1995,-0.000049,-0.009, 2.0, 0.000035,-0.006, 0.8 1996,-0.000083, 0.015, 1.8,-0.000056, 0.023, 0.8 1997,-0.000009,-0.003, 2.1,-0.000111, 0.028, 0.8 1998, 0.000141,-0.051, 2.8,-0.000082, 0.003, 1.1 1999, 0.000263,-0.089, 3.5,-0.000023,-0.016, 1.3 2000, 0.000295,-0.093, 3.7,-0.000004,-0.007, 1.3 2001, 0.000210,-0.063, 3.4,-0.000005, 0.003, 1.3 2002, 0.000044,-0.008, 3.1, 0.000061,-0.036, 1.9 2003, 0.000020, 0.026, 3.0, 0.000154,-0.092, 2.6 2004, 0.000113, 0.014, 2.7, 0.000184,-0.085, 2.4 2005, 0.000030, 0.027, 2.0, 0.000083,-0.006, 1.0 2006,-0.000138, 0.070, 0.9,-0.000102, 0.082,-0.1 2007,-0.000304, 0.128,-0.1,-0.000236, 0.123,-0.3