为什么广东的冬天实际温度没北方那么低,感觉上却比北方还冷?
推荐回答(3个)
因为北方人过冬有暖气。
很多人都知道,在中国南北两方之间隔着一条地理线——著名的“秦岭-淮河线”,它还有另外一个名字,叫作“供暖分界线”。
上世纪50年代,中国在苏联援助下为城市居民安装集中供暖系统。但当时因为严峻的能源短缺状况,集中供暖的指标只分了秦岭-淮河以北的幸运儿们。
1957年北京在推广使用蜂窝煤,用以取代煤球/ 1957年5月25日《北京日报》。所以自此开始,北方人过冬欢欣不已,而南方人只能年年叹气。这就是在地理气候环境、能源经济制约、行政区域划分等因素共同影响下,造成集中供暖南北有别的历史原因。
橘生淮南则为橘,橘生淮北则为枳”,这在南北供暖的差异上同样合理:北方的集中供暖模式,对于南方来说并不是个好路子!
首先,南方集中供暖未必能达到北方的效果。大家知道,南方冬天也常下雨,湿度大。而空气湿度越大,导热性越好,也就更容易丧失热量。与干燥的空气相比,潮湿的空气升温需要更多的热量。因此湿度大的南方冬天,既容易丧失热量,又比北方更难使空气升温,要达到北方室内温度就需要更多的热量。
另外,不论南方还是北方,如今房屋结构都已定型。北方注重保暖御寒,而南方更注重防热通风。就算实现了集中供暖,由于建筑的不配合,热量也只会丧失得更快。
最后,南方地区普遍没有取暖管道,而老楼建筑改造以及取暖管道的铺设都是耗资不小的大工程。也就是说,南方若要搞集中供暖,能源损耗和建设成本都将非常之大,取暖费用当然也不会低。

扩展资料:
从温度上来讲,南方肯定没有北方绝对温度低。这里面有个原因,就是湿度不一样,科学家研究每当湿度提升百分之十,体表温度就会下降两度左右,也就是说如果在北京零下七八度而杭州刚零度时,感觉就和在北京温度一样,因此,湿度、风偏大的时候体感气温比实际的气温可能来的要低一些,人体感觉更冷一些。
空调主要是制冷,它吹暖风的原理是靠空气强对流实现,而强对流使本来湿度很高的屋内迅速变干,而南方人本来适应的湿度突然变干,就会发现使用空调的房间皮肤干燥、屋内静电增大,并且空调吹风会带走体表一些温度,让人体感觉一点不舒服。所以用空调采暖是不得已而为之,而电热扇之类,制热面积过小、耗电量大,电热毯使用会上火、干燥等问题。
参考资料来源:凤凰网- 喜德瑞|湿冷寒冬如魔法攻击,为啥南方还没暖气?
因为南方湿度大,湿冷,是冷到骨头里的。而北方干燥,干冷,多穿几件衣服不吹到风就好。
还有可能因为北方屋里都有暖气,到冬天的时候一整天都暖和着,在外面穿大衣,只要一进室内就要脱大衣了。但是南方没有暖气,屋子始终阴冷阴冷的,只能等人回来了开空调或者电暖气什么的,屋子暖的就慢,就更觉得冷。
那是因为你没去过北方,还有南方湿气大,北方是干冷,两种不一样所以感受也不一样!!
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