天气学原理(第7章)-大型降水天气习题（Principles of synoptic meteorology (seventh chapter) - exercises for large precipitation events）.docVIP

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天气学原理(第7章)-大型降水天气习题（Principles of synoptic meteorology (seventh chapter) - exercises for large precipitation events）.doc

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天气学原理(第7章)-大型降水天气习题（Principles of synoptic meteorology (seventh chapter) - exercises for large precipitation events）

天气学原理(第7章)-大型降水天气习题（Principles of synoptic meteorology (seventh chapter) - exercises for large precipitation events） I. selection 1., a scale system, 1 hours precipitation of 50mm, precipitation maximum rise speed of 260cm/s, this system belongs to () system. A. planetary scale; B. large scale; C. small and medium scale; D. microscale Answer: C Source: chp7p321 synoptic principles and methods (3 edition) 2., the total amount of precipitation on the ground per unit time in the unit area is called precipitation intensity. Somewhere, 6 hours of accumulated precipitation of 30 MM, corresponding to the intensity of precipitation here. A.30MM; B.30MM/ hours; C.5MM; D. 5MM/ hours Answer: D 3., air mass temperature dew point difference (T-Td) value, the closer to zero, indicating air mass (). The higher the temperature of A.; B. the higher the dew point; The higher the relative humidity of C. is; The lower the relative humidity of D. Answer: C 4. precipitation periods in the preceding flood season in Southern China are mainly in (). A. 4~6 months; B. 6~7 months; C. 7~8 months D. 9~10 months Answer: A 5. typical Meiyu occurs in the Jianghuai valley. A.3 ~ May; B.4 ~ June; C.6 ~ July; D.7 ~ August Answer: C 6., the general period of rainy season in North China and Northeast China is (). A.4 ~ June; B.6 ~ July; C.7 ~ August; D.9 ~ October Answer: C 7. the common characteristics of the circulation in Southern China during the preceding flood season does not include. A. upper westerly jet is stable north of 30 degrees N; The B. subtropical ridge is stable near or south of 18 degrees N; C. is a flat westerly belt over Southern China; D. for the webtisr stable control over the bay of Bengal Answer: D 8. typical circulation features of Jianghuai Meiyu, excluding () A. the upper layer is the divergence layer; The middle layer of B. is the dispersion free layer; The lower layer of C. is the convergence zone of the northeast wind or the northwest wind and the southwest wind; D. ground