本文目录一览:
- 1、成都的空气为啥这麽差?
- 2、成都的空气质量好吗
- 3、为什么成都冬天空气尤其差?
- 4、成都这些年来为什么空气质量指数越来越差,与宜居形象越来越背道
- 5、成都兴隆湖空气质量?
成都的空气为啥这麽差?
,进入冬季以后,成都的静风频率和逆温现象会大幅度增加,这种现象很容易导致可吸入颗粒物在城市上空的聚集;再加上成都地处盆地中央——中间低,四周高,这种地形尤其不利于空气的流通,不利于这些可吸入颗粒物的扩散,因此,进入冬季以后,成都出现污染天数的频率,会相应增加许多。经过统计,整个冬季,出现的污染天数基本与往年持平,而这种现象的出现,与复杂的气象条件有关,所以今年11月污染天数比去年同期减少1天,也有可能是气象条件导致的。只有出现大风大雨天气,才能促使空气质量得到根本性的改善。该负责人总结说,只要成都遇到大风大雨天气过后,空气质量就会迅速转优,持续一两天后,便转为良,如果再持续晴朗天气,空气质量就会濒临轻微污染或转为轻微污染——这就是成都空气质量变化的规律。
成都的空气质量好吗
我是成都蒲江的,空气很好,非常不错的,天然氧吧啊,你说好不好
为什么成都冬天空气尤其差?
进入冬季以后,成都的静风频率和逆温现象会大幅度增加,这种现象很容易导致可吸入颗粒物在城市上空的聚集。
再加上成都地处盆地中央——中间低,四周高,这种地形尤其不利于空气的流通,不利于这些可吸入颗粒物的扩散,因此,进入冬季以后,成都出现污染天数的频率,会相应增加许多。
只要成都遇到大风大雨天气过后,空气质量就会迅速转优,持续一两天后,便转为良,如果再持续晴朗天气,空气质量就会濒临轻微污染或转为轻微污染——这就是成都空气质量变化的规律。
成都地形地貌
成都市地处四川盆地西部边缘,地势由西北向东南倾斜;西部属于四川盆地边缘地区,以深丘和山地为主,海拔大多在1000~3000米之间,更高处位于大邑县西岭镇大雪塘(苗基岭),海拔高度为5364米。
东部属于四川盆地盆底平原,为岷江、湔江等江河冲积而成,是成都平原的腹心地带,主要由平原、台地和部分低山丘陵组成,海拔高度一般在750米上下,更低处在简阳市沱江出境处河岸,海拔高度为359米。
成都市由于巨大的垂直高差,在市域内形成了三分之一平原、三分之一丘陵、三分之一高山的独特地貌类型;由于气候的显著分异,形成明显的不同热量差异的垂直气候带,因而在区域范围内生物资源种类繁多、门类齐全,分布又相对集中。
成都这些年来为什么空气质量指数越来越差,与宜居形象越来越背道
个人认为,是几大原因
其一、工业污染,那个著名的彭州项目,是硫化物的主要贡献者
其二、盆地气候封闭,气流流通不畅
其三、整个成都就是个大工地,二环修了修一环,再看看高新区,整个高新区都在修建
另,ZF说汽车尾气污染,对此,参见崔永元的说法。。。
成都兴隆湖空气质量?
隆湖湿地公园 11/07 周日 52分钟前发布 阴 7~17° 7 空气质量 36优 微风 东北风 相对湿度 70% 日出日落 7:22/18:12 旅游适宜 雨伞不带伞 紫外线最
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