青藏高原是光照充足,热量丰富吗

2025-03-16 23:01:07
推荐回答(5个)
回答1:

  青藏高原是光照充足,但热量不足。

  由于地势高,青藏高原大部分地区热量不足,高于4500米的地方最热月平均温度不足10℃,无绝对无霜期,谷物难以成熟,只宜放牧。牧畜以耐高寒的犛牛、藏绵羊、藏山羊为主。4200米以下的河谷可以种植作物,以青稞、小麦、豌豆、马铃薯、圆根、油菜等耐寒种类为主。雅鲁藏布江河谷纬度低,冬季无严寒,小麦可安全越冬。加以光照条件好,春夏温度偏低,延长了小麦生长期,拉萨冬小麦亩产有1638斤的纪录。

回答2:

光照充足,热量不足。海拔高,日出早日落晚,光照时间长。但海拔高,气温低,大气层薄,保温效果差,热量不足

回答3:

光照充足,不等于热量丰富,海拔高,气温低

回答4:

不是,那是新疆,青藏高原是海拔高,光线充足,但热量低

回答5:

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