I. INTRODUCTION A synthetic field observation was made in Lanzhou from January 10 to 19, 1989. Lanzhou city (36°N, 104. 3°E )is in an elliptical basin, of which the length from east to west is about 13 km, a...I. INTRODUCTION A synthetic field observation was made in Lanzhou from January 10 to 19, 1989. Lanzhou city (36°N, 104. 3°E )is in an elliptical basin, of which the length from east to west is about 13 km, and the width from south to north is about 6 km. This area is展开更多
基金Project supported by the National Natural Science Foundation of China
文摘I. INTRODUCTION A synthetic field observation was made in Lanzhou from January 10 to 19, 1989. Lanzhou city (36°N, 104. 3°E )is in an elliptical basin, of which the length from east to west is about 13 km, and the width from south to north is about 6 km. This area is
