Climatological analysis on extratropical cyclones in the middle latitudes of the Northern Hemisphere

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書誌事項

タイトル
Climatological analysis on extratropical cyclones in the middle latitudes of the Northern Hemisphere
著者
上野, 健一
著者別名
  • Ueno, Kenichi
学位授与大学
筑波大学
取得学位
博士（理学）
学位授与番号
甲第876号
学位授与年月日
1991-03-25

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説明

【要旨】

目次

CONTENTS

ABSTRACT

LIST OF FIGURES

LIST OF TABLES

LIST OF ABBREVIATIONS

CHAPTER I INTRODUCTION

1.1 Previous studies

1.2 Purpose of the present study

CHAPTER II DATA AND ANALYSIS

2.1 Data

2.2 Methods of pbjective analysis for the cyclone position

2.3 Methods of objective analysis for the cyclone tracking

CHAPTER III BASIC BEHAVIOR OF EXTRATROPICAL CYCLONES IN THE NORTHERN HEMISPHERE

3.1 Frequency and intensity

3.2 Change of central pressure

3.3 Cyclone movement

CHAPTER IV GEOGRAPHICAL COMPARISON OF EXTRATROPICAL CYCLONES WITH AIR MASS CONDITIONS

4.1 Classification of potential temperature fields around cyclones and their prevailing regions

4.2 Characteristics of OLR distributions around cyclones

CHAPTER V INTERANNUAL AND INTRASEASONAL VARIATIONS OF THE CYCLONE ACTIVITY

5.1 Zonal index and cyclone activity in the winter season

5.2 Secular variation of cyclone frequency

5.3 Interannual variation of the principal cyclone routes

CHAPTER VI CONCLUSIONS

ACKNOWLEDGEMENTS

REFERENCES

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