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教育头条 > 初中地理 > 2020-2021学年初中地理|西南三省一市知识点总结

2020-2021学年初中地理|西南三省一市知识点总结

初中地理 10-17 浏览量: 分享:
地理,这门学科是我们初中阶段重要的学科之一,也常常是被学生所忽略的学科,三好网资深地理老师给同学们分享的是西南三省一市知识点总结,重点突出,一目了然!赶紧收藏起来,随时可以翻出来看看,加深记忆!

 

1.位置
 
西南三省一市包括川、贵、滇、渝,是我国少数民族最多的地区,云南是我国少数民族种类最多的省份.
 
2.地形
 
地跨全国地势第一、二阶梯,地形复杂,主要有横断山区、云贵高原和四川盆地.河流受地势影响,落差大,航运价值较小,但水力资源丰富.
 
3.初中地理知识点总结气候
 
大部分地区属于亚热带、热带季风气候,兼受印度洋西南季风和太平洋东南季风影响,水热条件均较优越.
 

4.四川盆地的农业生产
 
四川盆地土壤为比较肥沃的紫红色的砂岩和页岩,又称为"红色盆地".是我国重要的农耕区,盛产稻米、甘蔗、油菜籽、蚕丝,有"天府之国"的美誉.成都平原是西南三省一市面积最大的平原,都江堰是举世闻名的水利工程.
 
5.初中地理知识点总结云贵高原和横断山区
 
云贵高原以喀斯特地形著称于世.主要江河有大渡河、雅砻江、金沙江.澜沧江、怒江,蕴藏着巨大水力资源,是我国水力资源最集中、最丰富的地区.这里气候、植被垂直分带明显.滇南的西双版纳地处热带范围,是我国第二大橡胶种植地.
 
6.丰富的矿产和新兴的工业
 
该区金属和非金属矿均很丰富,水力和农林资源也很富饶.贵州的六盘水和四川的天府、攀枝花是重要的煤炭基地.重庆和攀枝花是两大钢铁工业基地.
 
7.初中地理知识点总结交通面貌的巨大变化
 
西南三省一市地形崎岖,水陆交通一向比较困难.解放后,成渝、宝成、黔桂、川黔、成昆、南昆、湘黔、襄渝等铁路陆续建成,形成环状铁路,成为全国铁路网的组成部分.通车的南昆铁路成为西南地区通往沿海的重要干线.三峡水利工程建成后,西南地区的水运交通面貌将有很大变化.重庆是有名的山城,现已发展成西南地区最大的工商业城市和水陆交通枢纽.
 

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