1. Bias correction for the XCTD salinity profiles

The following values were added to the XCTD salinity profiles to correct the XCTD salinity biases.
10710301.XCT     -0.0217
10710401.XCT     -0.0409
10710501.XCT     -0.0250
10710601.XCT     -0.0747
10710701.XCT     -0.0220
10710801.XCT     -0.0299
10710901.XCT     -0.0639
10711001.XCT     -0.0170
10711101.XCT      0.0132
10711201.XCT     -0.0450