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COMPILATION NOTES

This year book provides a summary of the hydrological features of Taiwan and comprises daily discharge records, suspended sediment measurement records and surface water quality data for the calendar year of 1975. Also included are: Location map of the existing stream gating stations; List of main and secondary stations ( Appendix 2 ), Location map of the surface water sampling sites ( Appendix 4 ); and List of surface water quality sampling sites ( Appendix 5 ).

Among the 112 hydrometric stations in 1975, Daily discharges for 83 main stations are compiled. The main stations to be chosen are specified as follows:

1) Principal hydrometric network stations ( 71 stations ).

2) Other streamflow stations situated at important localities having complete records in 1975 ( 12 stations ).

It is appreciated to note that the streamflow records and sediment records of the stations were provided by the courtesy of The Provincial Water Conservancy Bureau; Taiwan Power Company; and Shihmen Reservoir Administration respectively. Water quality data are provided by the courtesy of Taiwan Institute of Environmental Sanitation and Taipei Water Works respectively.