CONTENTS

中　　文

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PREFACE

Due to rapid economic growth in recent years, the demands of water for additional agriculture, industry and public water supplies in Taiwan have increased drastically each year. In compliance with the "Comprehensive Development Pro-grams for Taiwan", the entire area of Taiwan is divided into north, central, south and east water resources regions. Each region is considered as an integral unit to provide optimum economic utilization of water resources through effective control and distribution in commensurate with the social and economic requirements.

Hydrological data is the basic requirement for water resources management and development. Hydrometric stations on the river basins in Taiwan have been successively established by agencies concerned in the past years. In collaboration with the Commission, Taiwan Hydrometeorological Network has been set up for years. The ways of observation and recording are standardized through the network. Therefore, the Commission, after proper processing, published the data collected from the primary hydrometric stations from the very beginning of each station. The first volume of "Hydrological Year Book of Taiwan", covering the data collected from the beginning of each station up to 1970, was published in 1972. The Year Books of 1971 through 1980 were also published annually. Compilations of these publications have been improved gradually. This volume for 1981 will be distributed to various agencies. It might be expected that the government agencies as well as the private interested could make practically use of this publication. Any suggestions for improvement of the Year Book would be appreciated.

Fcllcw the rapid economic growth in recent years, the demands for more water for agriculture, industry and public water sectors in Taiwan have increased drastically each year. In compliance with the basic concepts of "Development Programs for Taiwan", the entire area of Taiwan is divided into four water resources regions, north, central, south and east respectively. Each region is considered as an integral part to provide optimum economic utilization of water resources through effective control and distribution in commensurate with the social and economic requirements.

Hydrological data are the basic requirement for water resources management and development. Hydrometric stations on the river basins in Taiwan have been successively established by agencies concerned in the past years. In collaboration with the Commission, "Taiwan Hydrometecrological Network" has been set up for years. The methods of observation and recording have been standardized in the network. After proper processing, the Commission published the data collected from the major hydrometric stations from the very beginning of each station. The first volume of "Hydrological Year Bock of Taiwan", covering the data collected from the recorded period up to 1970, was published in 1972. The Year Books of 1971 through IS81 were also published annually. Compilations of these publications have been improved accordingly. The Year Bock for 1983 is completed and will be distributed to various agencies. We expect that the government agencies as well as the private sectors will take advantage from this volume. Any suggestions for further improvement of the Year Book would be appreciated.

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Director General

October, 1983