简析云南垂直气候及农业特征

2025-03-15 11:19:05
推荐回答(1个)
回答1:

云南气候兼具低纬气候、季风气候、山原气候的特,气候的区域差异和垂直变化十分明显。这一现象与云南的纬度和海拔这两个因素密切相关。从纬度看,其位置只相当于从雷州半岛到闽、赣、湘、黔一带的地理纬度,但由于地势北高南低,南北之间高差悬殊达6663.6米,大大加剧了全省范围内因纬度因素而造成的温差。这种高纬度与高海拔相结合、低纬度和低海拔相一致,即水平方向上的纬度增加与垂直方向上的海拔增高相吻合的状况。使得各地的年平均温度,除金沙江河谷和元江河谷外,大致由北向南递增,平均温度在5-24℃左右,南北气温相差达19℃左右。。特别是在垂直分布上,因境内多山,河床受侵蚀不断加深,形成山高谷深,由河谷到山顶,都存在着因高度上升而产生的气候类型差异,一般高原每上升100米,温度即降低0.6℃左右。“一山分四季,十里不同天” ,表明了“立体气候”的特点。
云南的农业受受地形和季风作用影响很大,作物分布也收到较大的地区差异,适宜多种农作物和经济作物的生长和发展,表现出农业多样性。具体来讲,洼地发展渔业;平地发展种植业;平缓山地开发梯田;较陡且湿度大发展林牧业,湿度较低发展畜牧业。

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