删除或更新信息,请邮件至freekaoyan#163.com(#换成@)

夏季青岛大气气溶胶中不同形态磷的浓度、来源及沉降通量

本站小编 Free考研考试/2021-12-31

闂傚倸鍊烽懗鍫曞箠閹捐瑙﹂悗锝庡墮閸ㄦ繈骞栧ǎ顒€濡肩痪鎯с偢閺屻劑鎮ら崒娑橆伓2濠电姷鏁搁崑鐐哄垂閸洖绠扮紒瀣紩濞差亜惟闁冲搫顑囩粙蹇涙⒑閸︻厼鍔嬫い銊ユ瀹曠敻鍩€椤掑嫭鈷戦柛娑橈工婵箑霉濠婂懎浠辩€规洘妞介弫鎾绘偐瀹曞洤骞橀梻浣告惈椤︻垶鎮樺┑瀣辈闁靛繈鍊栭悡鐔兼煥閺囨浜惧銈忓閺佸鐛崘鈺冾浄閻庯綆鍋掑Λ鍐ㄢ攽閻愭潙鐏︾痪鏉跨Ч楠炲濡堕崱娆戭啎闂佺懓顕崑鐐核夐弽顓熷仯濞撴艾锕﹂幃鍏间繆閸欏濮囬柍璇查叄楠炲洭宕滄担铏瑰幀濠电姷顣藉Σ鍛村垂闂堟稈鏋嶉柨婵嗘媼濞尖晠鏌曟繛鐐珕闁绘挶鍎茬换娑㈠箣閻愩劎绱伴梺缁樺浮閺€閬嶅Φ閸曨垼鏁冮柕蹇婃櫅閸撻亶姊洪幐搴b姇闁告梹鐟╅悰顔锯偓锝庡櫘閺佸秵绻濇繝鍌涘婵″弶鎸冲缁樻媴閸涢潧婀遍幑銏ゅ箛椤斿墽鐓嬮梺缁樺灱濡嫰宕归崒鐐寸厱鐎光偓閳ь剟宕戦悙鍝勭;闁靛ň鏅滈悡銉╂煟閺囩偛鈧湱鈧熬鎷�
濠电姷鏁告慨浼村垂瑜版帗鍋夐柕蹇嬪€曢悙濠勬喐瀹ュ棙鍙忛柕鍫濐槹閳锋垿鏌涘☉姗堝伐缂佹甯楁穱濠囶敃閿濆洦鍒涘銈冨灪濡啯鎱ㄩ埀顒勬煏閸繃锛嶆俊顐㈠閺岋絾鎯旈婊呅i梺鍝ュУ閻楃姴鐣烽姀銈呯妞ゆ梻鏅崢鎼佹⒑閸涘﹥绀嬫繛浣冲洦鍊堕柨婵嗘娴滄粓鏌熺€涙ḿ绠栧璺哄缁辨帞鈧綆浜跺Ο鈧梺绯曟杹閸嬫挸顪冮妶鍡楀潑闁稿鎹囬弻宥囨嫚閺屻儱寮板┑锟犵畺娴滃爼寮诲鍫闂佸憡鎸婚悷鈺佺暦椤栨稑顕遍悗娑櫭禍顖氣攽閻愬弶鈻曞ù婊勭箞瀵煡顢楅崟顒€鈧爼鏌i幇顔芥毄闁硅棄鍊块弻娑㈠Χ閸ヮ灝銏ゆ婢跺绡€濠电姴鍊搁弳锝嗐亜鎼淬埄娈曢柕鍥у閸╃偤顢橀悙宸痪婵犳鍨遍幐鎶藉蓟閿熺姴鐐婇柍杞扮劍閻忎線姊洪崨濠勬喛闁稿鎹囧缁樻媴閸濄儳楔濠电偘鍖犻崱鎰睏闂佺粯鍔楅弫鍝ョ不閺冨牊鐓欓柟顖嗗苯娈堕梺宕囩帛濮婂綊骞堥妸銉庣喓鎷犻幓鎺濇浇闂備焦鎮堕崐褏绮婚幘璇茶摕闁绘棁娅i惌娆撴煙缁嬪灝顒㈤柟顔界懇濮婄儤瀵煎▎鎴犘滅紓浣哄У閻楁洟顢氶敐澶樻晝闁冲灈鏅滈悗濠氭⒑瑜版帒浜伴柛妯哄⒔缁瑩宕熼娑掓嫼闂佸湱枪濞寸兘鍩ユ径鎰厸闁割偒鍋勬晶瀵糕偓瑙勬礀缂嶅﹥淇婂宀婃Ъ婵犳鍨伴妶鎼佸蓟濞戞ǚ妲堟慨妤€鐗婇弫鍓х磽娴e搫校閻㈩垳鍋ら崺鈧い鎺嗗亾闁诲繑鑹鹃…鍨潨閳ь剟骞冭瀹曞崬霉閺夋寧鍠樼€规洜枪铻栧ù锝夋櫜閻ヮ亪姊绘担渚敯闁规椿浜浠嬪礋椤栨稒娅栭梺鍝勭▉閸樹粙鎮¤箛娑欑厱闁斥晛鍟粈鈧銈忕岛閺嗘竼e濠电姷鏁告慨浼村垂閸︻厾绀婂┑鐘叉搐閻掑灚銇勯幒宥堝厡闁愁垱娲熼弻鏇㈠幢濡も偓閺嗭綁鏌$仦鍓ф创妤犵偞甯¢獮瀣倻閸℃﹩妫у┑锛勫亼閸婃牜鏁悙鍝勭獥闁归偊鍠氶惌娆忊攽閻樺弶澶勯柛瀣姍閺岋綁濮€閵忊剝姣勯柡浣哥墦濮婄粯鎷呯粙鎸庡€┑鐘灪閿曘垹鐣烽娑橆嚤閻庢稒锚娴滎垶姊洪崨濠勭畵濠殿垵椴搁幆鏃堝閿涘嫮肖婵$偑鍊栭崝妤呭窗鎼淬垻顩插Δ锝呭暞閻撴盯鏌涢妷锝呭闁汇劍鍨块弻锝夋偄閸欏鐝旈梺瀹犳椤︾敻鐛Ο鑲╃闁绘ê宕銏′繆閻愵亜鈧牕煤濠靛棌鏋嶉柡鍥╁亶缂傛岸鐓崶銊р槈鐎瑰憡绻冮妵鍕箻濡も偓閸燁垶顢欓敓锟�20婵犲痉鏉库偓妤佹叏閻戣棄纾婚柣妯款嚙缁犲灚銇勮箛鎾搭棡妞ゎ偅娲樼换婵嬫濞戝崬鍓扮紓浣哄У閸ㄥ潡寮婚妶鍡樺弿闁归偊鍏橀崑鎾澄旈埀顒勫煝閺冨牆顫呴柣妯烘閹虫捇銈导鏉戠闁冲搫锕ラ敍鍛磽閸屾瑧顦︽い锔诲灦椤㈡岸顢橀姀鐘靛姦濡炪倖宸婚崑鎾寸節閳ь剟鏌嗗鍛紱闂佺粯姊婚崢褔寮告笟鈧弻鏇㈠醇濠垫劖效闂佺ǹ楠哥粔褰掑蓟濞戙垹鍗抽柕濞垮劚椤晠姊烘导娆戠暠缂傚秴锕獮鍐ㄎ旈崘鈺佹瀭闂佸憡娲﹂崣搴ㄥ汲閿熺姵鈷戦柛婵嗗椤ユ垿鏌涚€n偅宕屾慨濠冩そ瀹曨偊宕熼崹顐嵮囨⒑閸涘﹥鈷愰柣妤冨█楠炲啴鏁撻悩铏珫闂佸憡娲﹂崜娆撴偟娴煎瓨鈷戦梻鍫熺〒缁犳岸鏌涢幘瀵哥疄闁诡喒鈧枼鏋庨柟閭﹀枤椤旀洘绻濋姀锝嗙【妞ゆ垵妫涚划鍫ュ焵椤掑嫭鍊垫繛鍫濈仢濞呭秹鏌¢埀顒勫础閻戝棗娈梺鍛婃处閸嬫帡宕ョ€n喗鐓曢柡鍥ュ妼楠炴ɑ淇婇崣澶婄伌婵﹥妞藉畷顐﹀礋椤愮喎浜惧ù鐘差儜缂嶆牕顭跨捄鐑樻拱闁稿繑绮撻弻娑㈩敃閿濆棛顦ㄩ梺鍝勬媼閸撶喖骞冨鈧幃娆撴濞戞顥氱紓鍌欒兌婵數鏁垾鎰佹綎濠电姵鑹鹃悙濠囨煥濠靛棙鍣稿瑙勬礋濮婃椽鎳¢妶鍛€惧┑鐐插级閸ㄥ潡骞婂Δ鍐╁磯閻炴稈鍓濋悘渚€姊虹涵鍛涧闂傚嫬瀚板畷鏇㈠箣閿旇棄鈧敻鏌ㄥ┑鍡涱€楁鐐瘁缚缁辨帡鎮╁畷鍥р拰闂佸搫澶囬崜婵嗩嚗閸曨偀妲堟繛鍡楁禋娴硷拷
中文关键词总磷溶解态磷溶解态无机磷溶解态有机磷气溶胶干沉降通量 英文关键词total phosphorus(TP)dissolved phosphorus(DP)dissolved inorganic phosphorus(DIP)dissolved organic phosphorus(DOP)aerosoldry deposition flux 中文摘要 利用2016年6~7月在青岛采集的总悬浮颗粒物(TSP)样品,分析了其中不同形态磷的浓度,讨论了夏季气溶胶中总磷(TP)、溶解态磷(DP)、溶解态无机磷(DIP)和溶解态有机磷(DOP)的分布特征及来源,并估算了大气P的沉降通量.结果表明,夏季青岛大气气溶胶中TP的浓度为(49.3±30.6)ng·m-3,其中DP浓度为(15.5±10.4)ng·m-3,对TP的贡献为30.9%±11.0%.DP中以DIP占主导,其贡献平均约为60%.气溶胶中不同形态P的来源分析结果显示,夏季青岛气溶胶中P的来源复杂,受地壳源、人为源、生物质燃烧、农业施肥等多种源的共同影响.其中TP的38%来自土壤源的贡献,农业活动源和工业源的贡献分别为20%左右;DP中DIP主要受到农业活动源及燃烧源的影响,其贡献分别为51%和24%;DOP主要来源于土壤源及农业活动源,其贡献分别为41%和27%.观测期间,大气TP的干沉降通量为(51.7±31.7)μg·(m2·d)-1,其中DP对TP干沉降通量的贡献为23.2%±8.2%.DP中DOP有重要贡献,约为DP干沉降通量的40%.DP的干沉降通量可支持黄海(0.5±0.3)mg·(m2·d)-1浮游植物碳的生产,对新生产力的贡献约为1%. 英文摘要 Total suspended particulate (TSP) samples were collected in Qingdao from June to July 2016. Different forms of phosphorus in these samples-including total phosphorus (TP), dissolved phosphorus (DP), dissolved inorganic phosphorus (DIP), and dissolved organic phosphorus (DOP) were analyzed to investigate their distribution characteristics and sources, as well as their dry deposition fluxes. Results showed that the mass concentration of TP in aerosols was (49.3±30.6) ng·m-3, and the concentration of DP was (15.5±10.4) ng·m-3, accounting for 30.9%±11.0% of TP. DIP dominated in dissolved state P, contributing about 60%. The sources of different forms of P were analyzed, showing that the P in Qingdao aerosols in summer was derived from both crustal and anthropogenic sources, with the latter including biomass burning and agricultural fertilization. TP was mainly derived from soil sources, which contributed 38%, while the contribution of agricultural activities and industrial sources was about 20%. DIP in DP was mainly derived from agricultural activities and combustion sources, with contributions of 51% and 24%, respectively. DOP was mainly derived from soil sources and agricultural activities, contributing 41% and 27% respectively. The dry deposition flux of TP in Qingdao was (51.7±31.7) μg·(m2·d)-1, of which 23.2%±8.2% was the water-soluble fraction. DOP in the total dry deposition flux of DP was non-negligible, accounting for 40%. The atmospheric deposition of soluble P would support phytoplankton carbon production of (0.5±0.3) mg·(m2·d)-1, contributing about 1% to new productivity in the Yellow Sea.

PDF全文下载地址:

https://www.hjkx.ac.cn/hjkx/ch/reader/create_pdf.aspx?file_no=20180908&flag=1&journal_id=hjkx&year_id=2018

相关话题/中国海洋大学 环境科学 工程学院 生态 农业