Example "chlzdata" file showing the Hydrolight "Chlorophyll-data standard format" These files are read by Hydrolight subroutine "chlzdata" on file ..\maincode\chlzdata.f Ten ascii header records (for identification of the user's data) are expected. Record 11 begins with (free format) pairs of depth (in m) and Chl (in mg Chl / m^3) values. The last value is flagged by either an end of file or by negative depth and Chl values Record 6: unused in this example Record 7: " Record 8: " Record 9: " depth (m) Chl (mg/m^3) 0.0 0.2 5.0 1 10.0 1.6 15.0 2.8 20.0 2 25.0 1.2 -1. -1.