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COMPILATION NOTES

This year book provides a summary of the hydrological feafures of Taiwan and comprises daily discharge records, suspended sediment measurement records and surface water quality data in 1973, list of main and secondary stations (Appendix 1 and Appendix 3 ), charts showing recording periods (Appendix 2 ), location map of the surface water sampling sites (Appedix 5 ) are also included for reference. Totally 81 main stations are selected for compilation from 120 operational stream flow gaging stations in 1973. The stations to be chosen are specified as follows:

1) Principal hydrometric network stations to be chosen are specified as follows: 1973 ( 66 stations ).

2) Stations not included in the network plan but which situated at important localities having complete records in 1973 ( 15 stations ).

The streamflow records and sediment records are provided by the Provincial Water Conservancy Bureau, Taiwan Power Company, and Shihmen Reservoir Administration. Water quality data are provided by Taiwan Institute of Environmental Sanitation and Taipei Water Works respectively.