黃山自古云成海

黃(huang)山(shan)(shan)(shan)(shan)古來云(yun)成海(hai)(hai)(hai)(hai)(hai)。按云(yun)海(hai)(hai)(hai)(hai)(hai)分(fen)(fen)布區的數學八卦方(fang)位(wei)可分(fen)(fen)為佛(fo)(fo)山(shan)(shan)(shan)(shan)江(jiang)海(hai)(hai)(hai)(hai)(hai)、佛(fo)(fo)山(shan)(shan)(shan)(shan)江(jiang)海(hai)(hai)(hai)(hai)(hai)（前(qian)海(hai)(hai)(hai)(hai)(hai)）、西海(hai)(hai)(hai)(hai)(hai)、北海(hai)(hai)(hai)(hai)(hai)（后海(hai)(hai)(hai)(hai)(hai)）和天(tian)(tian)海(hai)(hai)(hai)(hai)(hai)。五處最合適觀(guan)(guan)嘗選址依次為：始信(xin)峰(feng)觀(guan)(guan)北海(hai)(hai)(hai)(hai)(hai)，玉(yu)屏樓(lou)觀(guan)(guan)佛(fo)(fo)山(shan)(shan)(shan)(shan)江(jiang)海(hai)(hai)(hai)(hai)(hai)，排云(yun)亭觀(guan)(guan)西海(hai)(hai)(hai)(hai)(hai)，白鵝(e)嶺觀(guan)(guan)佛(fo)(fo)山(shan)(shan)(shan)(shan)江(jiang)海(hai)(hai)(hai)(hai)(hai)，陽光頂觀(guan)(guan)天(tian)(tian)海(hai)(hai)(hai)(hai)(hai)。玉(yu)屏樓(lou)前(qian)觀(guan)(guan)前(qian)海(hai)(hai)(hai)(hai)(hai)，不解后海(hai)(hai)(hai)(hai)(hai)之勝；清新格斗臺觀(guan)(guan)后海(hai)(hai)(hai)(hai)(hai)，又不解前(qian)海(hai)(hai)(hai)(hai)(hai)之美；攀(pan)登荷花峰(feng)、天(tian)(tian)都峰(feng)和陽光頂，則五海(hai)(hai)(hai)(hai)(hai)盡在(zai)眼(yan)眸。

形成與周期

　　黃(huang)山山高(gao)谷深(shen)(shen)，樹(shu)(shu)木生機(ji)勃勃，降雨(yu)量(liang)量(liang)大(da)，東近深(shen)(shen)海，北(bei)臨長(chang)江(jiang)，很大(da)溫濕廢氣(qi)一直涌進，所以(yi)溫濕度大(da)，水(shui)氣(qi)多(duo)。的同時(shi)樹(shu)(shu)木的蒸(zheng)騰目的，又為霧的確立增強了水(shui)氣(qi)的由來。含很大(da)水(shui)分(fen)含量(liang)的廢氣(qi)，伴(ban)隨水(shui)泥(ni)地(di)(di)面的光(guang)輻射(she)冷去或地(di)(di)形類型的供熱目的而提升會發生絕(jue)熱材(cai)料(liao)冷去等四種原因分(fen)析，使水(shui)分(fen)含量(liang)冷卻成山霧，彌漫著于峰巒、溝(gou)谷互相(xiang)，很多(duo)于五海中去。

　　黃山是(shi)雲霧(wu)(wu)文化(hua)之鄉。一整年最(zui)低(di)值有(you)(you)霧(wu)(wu)日達259天(tian)(tian)，最(zui)小年代(dai)達285天(tian)(tian)，少年代(dai)有(you)(you)著 22四天(tian)(tian)。黃山雲霧(wu)(wu)中最(zui)神奇的是(shi)那“鋪海(hai)”之云(yun)，即(ji)用戶(hu)嘆(tan)為自然(ran)奇觀(guan)的“云(yun)海(hai)”。形(xing)象(xiang)學覺(jue)得(de)，只要有(you)(you)兩個雲霧(wu)(wu)也能成(cheng)型(xing)(xing)了云(yun)海(hai)：那種是(shi)云(yun)底髙度(du)如(ru)果低(di)于2500米(mi)的低(di)云(yun)；另(ling)那種是(shi)地理(li)位(wei)置云(yun)或覆(fu)蓋霧(wu)(wu)成(cheng)型(xing)(xing)了的云(yun)。低(di)云(yun)最(zui)主要的是(shi)層(ceng)積(ji)云(yun)。黃山明亮(liang)頂形(xing)象(xiang)材質 是(shi)因為，每季度(du)16月(yue)至(zhi)后年2月(yue)間，有(you)(you)97%的云(yun)海(hai)由層(ceng)積(ji)云(yun)成(cheng)型(xing)(xing)了。

　以一片(pian)光明頂(ding)氣象臺(tai)站(zhan)為基本，其(qi)間(jian)(jian)(jian)(jian)距(ju)下(xia)面(mian)的(de)(de)(de)霧云(yun)(yun)網(wang)絡覆(fu)蓋面(mian)前面(mian)積計算(suan)達5成小于(yu)為同一個(ge)云(yun)(yun)海日(ri)，其(qi)會(hui)誕生危(wei)(wei)害(hai)(hai)和分(fen)(fen)別(bie)間(jian)(jian)(jian)(jian)距(ju)（見(jian)(jian)附錄）。黃(huang)山(shan)(shan)5年(nian)年(nian)分(fen)(fen)別(bie)有(you)4幾個(ge)云(yun)(yun)海日(ri)，最(zui)常(chang)見(jian)(jian)會(hui)誕生在-9月至(zhi)(zhi)本年(nian)的(de)(de)(de)介紹，冬春至(zhi)(zhi)多(duo)。月分(fen)(fen)別(bie)云(yun)(yun)海日(ri)5―幾個(ge)，春秋(qiu)(qiu)季保(bao)底(di)，月分(fen)(fen)別(bie)只(zhi)要3個(ge)。這非(fei)常(chang)明顯(xian)的(de)(de)(de)時(shi)間(jian)(jian)(jian)(jian)段(duan)(duan)(duan)(duan)發(fa)(fa)展，是(shi)仍(reng)(reng)然(ran)導致低云(yun)(yun)的(de)(de)(de)冷卻(que)間(jian)(jian)(jian)(jian)距(ju)隨時(shi)間(jian)(jian)(jian)(jian)段(duan)(duan)(duan)(duan)的(de)(de)(de)發(fa)(fa)展引發(fa)(fa)的(de)(de)(de)。黃(huang)山(shan)(shan)最(zui)常(chang)見(jian)(jian)秋(qiu)(qiu)自然(ran)保(bao)護區(qu)間(jian)(jian)(jian)(jian)距(ju)尋常(chang)為1600米身(shen)邊。冬春平(ping)衡(heng)溫(wen)度(du)(du)(du)低，層(ceng)積云(yun)(yun)冷卻(que)間(jian)(jian)(jian)(jian)距(ju)尋常(chang)在800米―1500m兩邊，山(shan)(shan)頂(ding)均在云(yun)(yun)頂(ding)之下(xia)，以至(zhi)(zhi)云(yun)(yun)海會(hui)誕生較多(duo)。梅雨時(shi)間(jian)(jian)(jian)(jian)段(duan)(duan)(duan)(duan)，仍(reng)(reng)然(ran)平(ping)衡(heng)溫(wen)度(du)(du)(du)的(de)(de)(de)增大，冷卻(que)間(jian)(jian)(jian)(jian)距(ju)迅速提高，六7月份(fen)可(ke)提高到(dao)(dao)1600米身(shen)邊，云(yun)(yun)頂(ding)間(jian)(jian)(jian)(jian)距(ju)已(yi)小于(yu)或比較接近于(yu)大地(di)(di)方山(shan)(shan)頂(ding)，上山(shan)(shan)常(chang)存在霧云(yun)(yun)里，不容易了(le)解到(dao)(dao)云(yun)(yun)海。盛(sheng)春秋(qiu)(qiu)時(shi)間(jian)(jian)(jian)(jian)段(duan)(duan)(duan)(duan)，熱煙囪效應繁盛(sheng)，平(ping)衡(heng)溫(wen)度(du)(du)(du)也(ye)(ye)高于(yu)很高，云(yun)(yun)的(de)(de)(de)冷卻(que)間(jian)(jian)(jian)(jian)距(ju)也(ye)(ye)高于(yu)很高，都不有(you)云(yun)(yun)頂(ding)高于(yu)1800米的(de)(de)(de)低云(yun)(yun)會(hui)誕生，云(yun)(yun)海也(ye)(ye)十分(fen)(fen)少見(jian)(jian)。到(dao)(dao)90月間(jian)(jian)(jian)(jian)，東北(bei)(bei)地(di)(di)區(qu)冷氣展開會(hui)影響，上山(shan)(shan)平(ping)衡(heng)溫(wen)度(du)(du)(du)走低，但仍(reng)(reng)然(ran)以至(zhi)(zhi)于(yu)冷氣標準比較弱(ruo)，危(wei)(wei)害(hai)(hai)少，以至(zhi)(zhi)于(yu)云(yun)(yun)海會(hui)誕生危(wei)(wei)害(hai)(hai)仍(reng)(reng)不。時(shi)冬季令，東北(bei)(bei)地(di)(di)區(qu)冷氣北(bei)(bei)上南下(xia)多(duo)，使低層(ceng)水珠爬升，平(ping)衡(heng)溫(wen)度(du)(du)(du)也(ye)(ye)保(bao)底(di)，分(fen)(fen)別(bie)一月有(you)5-7次云(yun)(yun)海會(hui)誕生，是(shi)一個(ge)年(nian)終觀云(yun)(yun)海的(de)(de)(de)最(zui)佳的(de)(de)(de)南北(bei)(bei)朝時(shi)期。

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