大规模之世界战争,促进各国科学进步。法国地理学,战前在国际学术上之地位,实已领袖群伦。此次世界二次大战,法国不幸国土沦陷,物质破坏,精神压迫,法国学者目击身受之苦痛,多非自由国民所能想像,处此四五年之桎梏生活中,学者如何仍能安心从事研究,著作与出版,实为一非常之时。美国TheJohns Hopkins University大学Jean Gottmann教授,於此期间,旅法有年,观察战时地理学之进步,并不后人。渠所记述,虽未胪列法国地理新著之全部,亦足令人感奋矣。

In the north-western part of Szechwan Basin is the famous Chengtu Plain, with an area of 8,000 sq. km. and at 500-700m. above the sea level. It is a huge alluvial plain formed by cohesion of many alluvial fans, among which the Min-king fan is the largest, constituting 2/3 of the area of Chengtu Plain.