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........................................................................2 .................................................................................................................2 2 霧霾天氣的成因........................................................................................................5 3 霧霾對(duì)人類生活的影響............................................................................................6 ..............................................................................................................6 ..........................................................................................................6 ..................................................................................................6 小結(jié)................................................................................................................................7 參考文獻(xiàn)........................................................................................................................7河南淮河流域霧霾天氣現(xiàn)狀及對(duì)人類生活的影響姓 名:王振江 學(xué) 號(hào):20105081206 學(xué) 院:城市與環(huán)境科學(xué)學(xué)院 專 業(yè):地理科學(xué) 指導(dǎo)老師:嚴(yán)育通 職 稱:講 師摘 要:近年來,我國(guó)各地都出現(xiàn)了非常嚴(yán)重的霧霾現(xiàn)象,全國(guó)各大城市相繼“淪陷”。霧是指近地面層空氣中水汽凝結(jié)(或凝華)的產(chǎn)物,是由大量懸浮在近地面空氣中的微小水滴或冰晶組成的氣溶膠系統(tǒng)[1]。霧與霾的區(qū)別在于霾發(fā)生時(shí)相對(duì)濕度不大,而霧發(fā)生時(shí)相對(duì)濕度接近飽和或飽和。一是鄭州街頭被重度霧霾籠罩,部分地區(qū)能見度不足一公里,公車限速限行,航班延誤、高速封路,給交通造成了嚴(yán)重的影響,因霧霾天氣造成的交通事故屢見不鮮;二是空氣污染嚴(yán)重超標(biāo),均屬于重度污染。霧霾天氣的成因通常在低層大氣中,氣溫是隨高度的增加而降低的,但某些情況下會(huì)出現(xiàn)逆溫現(xiàn)象,氣溫會(huì)隨高度的增加而升高[4]。污染物排放和城市懸浮物大量增加,直接導(dǎo)致了能見度降低,使得整個(gè)城市看起來灰蒙蒙一片。霧霾天氣時(shí),大氣中的氣溶膠使空氣渾濁受污染,進(jìn)入人體后不易排出,停留在肺泡,會(huì)造成危害。出現(xiàn)霧霾天氣時(shí),視野能見度不同程度降低,空氣質(zhì)量相對(duì)較差,容易引發(fā)交通事故,導(dǎo)致交通阻塞,高速封路、航班起落滯后,嚴(yán)重時(shí)可致機(jī)場(chǎng)關(guān)閉。并且還要研發(fā)新能源,控制機(jī)動(dòng)車尾氣排放量,加大揚(yáng)塵污染控制力度。reason。新聞聯(lián)播,中國(guó)新聞網(wǎng);2013年1月12日。霾:是由空氣中的灰塵、硫酸、硝酸、有機(jī)碳?xì)浠衔锏攘W咏M成的。湍流運(yùn)動(dòng)是大氣邊界層內(nèi)物質(zhì)運(yùn)動(dòng)的主要特點(diǎn),這就決定了大氣邊界層中主要的各種物理量的湍流輸運(yùn)。一般霧的厚度較小,常見的輻射物的厚度大約從幾十米到一至二百米左右。當(dāng)空氣中的相對(duì)濕度超100%,發(fā)生輻射降溫過程,霾粒子能吸附出液態(tài)的水成為霧滴,而相對(duì)濕度降低時(shí),霧滴脫水后霾粒子又能再懸浮于大氣中。近年來隨著城市建設(shè)的迅速發(fā)展,大樓越建越高,增大了地面摩擦系數(shù),使風(fēng)流經(jīng)城區(qū)時(shí)明顯減弱。我國(guó)霧霾天氣成因(1)氣象原因有關(guān)的氣象環(huán)境進(jìn)?步促進(jìn)霧霾天氣的出現(xiàn),依照國(guó)家氣候中心氣候評(píng)定分析指出,秋冬季節(jié)是霧霾天氣出現(xiàn)的主要季節(jié),秋冬季的氣象條件是造成最近霧霾天氣頻發(fā)的主要原因。使用柴油的大型車是排放PM10的“重犯”,包括大公交,單位班車,大型運(yùn)輸船、卡車等。另外,紫外線是自然界殺滅大氣微生物如細(xì)菌、病毒等的主要武器,霧霾天氣導(dǎo)致近地層紫外線的減弱,易使空氣中的傳染性病菌的活性增強(qiáng),傳染病增多。霧霾天氣是一種災(zāi)害性天氣,對(duì)公路、鐵路、航空、航運(yùn)、供電系統(tǒng)、農(nóng)作物生長(zhǎng)等均產(chǎn)生重要影響[3];四是影響區(qū)域氣候。同時(shí),霧中的一些病原體會(huì)導(dǎo)致頭痛,甚至誘發(fā)高血壓、腦溢血等疾病。”完善法律制度,實(shí)施法律措施才是解決問題的關(guān)鍵[5]。(3)加強(qiáng)對(duì)政府官員的管理和群眾監(jiān)督,打擊腐敗。禁止市民亂扔垃圾,對(duì)違反規(guī)定的處以警告或罰款處罰;增加街道的清掃頻次,在干燥季節(jié)增加灑水車的灑水次數(shù),保持街道的干凈整潔。我們的日常生活離不開煤炭石油,但是煤炭石油的燃燒能產(chǎn)生大量的污染物,污染了環(huán)境。汽車排放的尾氣是此次霧霾天氣的重要原因之一,那么減少尾氣的排放就對(duì)減輕污染起到重要的作用。加強(qiáng)對(duì)政府和環(huán)保執(zhí)法部門的監(jiān)督,群眾和其他機(jī)關(guān)可以將違法行為舉報(bào)或提起訴訟,將環(huán)保工作落到實(shí)處,為依法懲治破壞環(huán)境之人提供保障。很多工業(yè)違法排放廢棄物屢治不止,根本原因還在于處罰力度不夠。尤其是在繁華喧囂十面“霾”伏的都市中,除了隨時(shí)要應(yīng)對(duì)霧霾?!凹 蓖?,由于建筑施工、汽車尾汽、工業(yè)燃料燃燒、燃放煙花爆燭等原因造成懸浮顆粒物多,難免會(huì)堵塞在毛孔中形成黑頭,造成毛孔阻塞、角質(zhì)堆積、肌膚起皮等肌膚問題,所以自我保護(hù)的首要措施就是深層清潔肌膚表層,清潔毛孔。霧霾天氣少開窗霧霾天氣不主張?jiān)缤黹_窗通風(fēng),最好等太陽出來再開窗通風(fēng);外出戴口罩如果外出可以戴上口罩,這樣可以有效防止粉塵顆粒進(jìn)入體內(nèi)。從全球來看,在所有健康危險(xiǎn)因素中排名第8。比如冶金、機(jī)電制造業(yè)的工業(yè)窯爐與鍋爐,還有大量汽修噴漆、建材生產(chǎn)窯爐燃燒排放的廢氣;第四,是建筑工地和道路交通產(chǎn)生的揚(yáng)塵。同時(shí),青藏高原南邊暖濕空氣強(qiáng)度較強(qiáng),從而導(dǎo)致了來自印度洋的西南暖濕氣流異?;钴S,這股暖濕氣流順著西南方向?qū)⒇S富的水汽運(yùn)送到我國(guó)中東地區(qū),從而引起了這些地方空氣濕度大[1]另外也促進(jìn)了地層逆溫的產(chǎn)生,給霧霾天氣的出現(xiàn)提供了有利條件。二是垂直方向的逆溫現(xiàn)象。出現(xiàn)霧時(shí)空氣相對(duì)濕度常達(dá)100%或接近100%(《根治霧霾刻不容緩》 《天津經(jīng)濟(jì)》課題組 20130。霾,是空氣中的灰塵,硫酸,硝酸,有機(jī)酸氫化物等主要組成二氧化硫、氮等非水組成的氣溶膠系統(tǒng)。同時(shí),在合適的層結(jié)條件和氣象條件下,顆粒污染物可成為霧的凝結(jié)核,促進(jìn)霧的發(fā)展。中國(guó)不少地區(qū)把霧霾天氣現(xiàn)象并入霧一起作為災(zāi)害性天氣預(yù)警預(yù)報(bào)。5第五篇:霧霾天氣論文(模版)大氣污染與控制論文1霧霾天氣概況近些年,隨著我國(guó)會(huì)買天氣的增多,很多地區(qū)把灰霾并入霧天氣一起作為災(zāi)害天氣,統(tǒng)稱為”霧霾天氣”。s easy to feel tightness in wet morning mist is cold, which can easily lead to fluctuations in blood pressure, vascular spasm, cardiac load and so , some pathogens can cause headaches fog, and even induce high blood pressure, stroke and other , to avoid danger, people with cardiovascular disease, especially the elderly and infirm, should not go out or do morning exercise in the haze one word, haze is harmful to everyone and the harm can be direct or indirect, so it is difficult for us to escape from the harm, we ought to find out the reasons and take relative steps to prevent reasons for haze Pollution in China is now so bad that it threatens to obscure the vision being laid out by Xi Jinping, the new has popularised the idea of a “Chinese dream”, an obvious foil to the American dream seems to involve increasing wealth at home and increasing power the choking smog suggests that the leadership needs to rethink its national all, what is the point of rapid economic growth if it creates cities in which it is dangerous to breathe? One study, published in The Lancet medical journal last year, suggested that air pollution might have caused about premature deaths in China in 2010 alone – a considerable figure even for a country of has registered a 60 per cent rise in lung cancer cases in the past pollution that bad, otherwise innocent sights take on a sinister Jun, a prominent environmental activist, says that on days when the smog envelops the city he winces when he sees children playing football many schools, foreign and Chinese, now forbid kids from playing outside on bad pollution in Beijing is also an international government went to great lengths to show the city off at its best during the 2008 Olympics, yet now the first thing any foreign visitor wants to talk about is the pollution, and many expats talk about allowing for the installation of air filters in official residences, China39。我們只有重視霧霾天氣引發(fā)的環(huán)境問題,研發(fā)新能源,從污染的源頭和傳播途徑中積極采取防治措施,認(rèn)真分析存在不足,才能更好的治理污染環(huán)境,才能讓我們的環(huán)境更加美好。比如霧大到時(shí)候,水汽含量是非常高的,如果人們?cè)趹敉饣顒?dòng)和運(yùn)動(dòng)的話,人體的汗就不容易排出,會(huì)造成人們胸悶、血壓升高。慢性支氣管炎和哮喘病人在霧霾天長(zhǎng)期停留,病情會(huì)加劇[5]。隨著城市建設(shè)的迅速發(fā)展,大樓越建越高,增大了地面摩擦系數(shù),使風(fēng)流經(jīng)城區(qū)時(shí)明顯減弱。逆溫層是指輕暖而輕的空氣位于較冷而重的空氣上面,形成一種極其穩(wěn)定的空氣層,籠罩在近地層的上空,嚴(yán)重的阻礙著空氣的對(duì)流運(yùn)動(dòng)。因此,我們?nèi)圆荒艿粢暂p心,并且要持之以恒的堅(jiān)持下去。同樣,我們河南淮河流域也是如此。形成霧時(shí)大氣濕度應(yīng)該是接近飽和或者飽和的。關(guān)鍵詞:河南;淮河流域;霧霾;影響The effects on human life by the haze weather of the HuaiRiver area in HenanAbstract: In recent years, there is a very serious phenomenon of fog across our country, and many major cities in China are influenced by this bad what is the degree our Huai River in Henan influenced by this weather? What’s the harm to our life? What measures could be done about it in order to prevent this bad weather? This article mainly analyzes the causes of the formation of haze in the region through the meteorological data(such as )in recent years to the Huai River in Henan region, and find