"0"^^ . " ice" . " snow" . "0"^^ . "photochemistry" . . "1"^^ . . "2005-01-01+01:00"^^ . . "12"^^ . "2007-05-02+02:00"^^ . "12"^^ . . "Original research project was focused on specific features of photochemical reactions in the ice and snow matrices. We studied photochemical and photophysical behavior of model compounds as well as environmental pollutants in these matrices considering e"@en . "2007-12-31+01:00"^^ . . "Environmental consequences of photochemical processes in ice and snow"@en . . "P\u0159edkl\u00E1dan\u00FD projekt zahrnuje v\u00FDvoj metod a detailn\u00ED studium distribuce, akumulace a chemick\u00FDch/fotochemick\u00FDch transformac\u00ED perzistentn\u00EDch, bioakumulativn\u00EDch, toxick\u00FDch l\u00E1tek (PBTs) v ledu a sn\u011Bhu, zvl\u00E1\u0161t\u011B ve vztahu k pol\u00E1rn\u00EDm oblastem a ledov\u00FDm \u010D\u00E1stic\u00EDm v atmosf\u00E9\u0159e. Ve sv\u00E9m p\u0159edchoz\u00EDm laboratorn\u00EDm v\u00FDzkumu jsme ji\u017E prok\u00E1zali, \u017Ee led m\u016F\u017Ee b\u00FDt p\u0159irozen\u00FDm reak\u010Dn\u00EDm m\u00E9diem pro fotochemick\u00E9 transformace. Tento projekt by m\u011Bl d\u00E1le roz\u0161\u00ED\u0159it na\u0161e znalosti o d\u011Bj\u00EDch v p\u0159irozen\u011B kontaminovan\u00E9m ledu a sn\u011Bhu. Pl\u00E1novan\u00E9 experimenty zahrnuj\u00EDc\u00ED studium reakc\u00ED v ledu kontaminovan\u00E9m sou\u010Dasn\u011B organick\u00FDmi l\u00E1tkami a anorganick\u00FDmi solemi (dusi\u010Dnany, bromidy) a v ledu kontaminovan\u00E9m velmi n\u00EDzk\u00FDmi koncentracemi organick\u00FDch polutant\u016F, p\u0159edstavuj\u00ED p\u0159\u00EDpravu pro studium proces\u016F v re\u00E1ln\u00FDch podm\u00EDnk\u00E1ch. Ze stejn\u00E9ho d\u016Fvodu je zahrnuto tak\u00E9 monitorov\u00E1n\u00ED obsahu organick\u00FDch polutant\u016F ve sn\u011Bhu a ledu v \u010Cesk\u00E9 republice a jeho zm\u011Bn v d\u016Fsledku slune\u010Dn\u00EDho z\u00E1\u0159en\u00ED." . "http://www.isvav.cz/projectDetail.do?rowId=GA205/05/0819"^^ . "2008-12-16+01:00"^^ . . . "Origin\u00E1ln\u00ED v\u00FDzkumn\u00FD projekt se zab\u00FDval specifick\u00FDm pr\u016Fb\u011Bhem fotochemick\u00FDch reakc\u00ED v ledu a sn\u011Bhu. Studovali jsme fotochemick\u00E9 a fotofyzik\u00E1ln\u00ED chov\u00E1n\u00ED modelov\u00FDch slou\u010Denin i p\u0159\u00EDrodn\u00EDch polutant\u016F v t\u011Bchto matric\u00EDch s ohledem na environment\u00E1ln\u00ED aspekty. V n"@cs . . . . . "GA205/05/0819" . . . . "The project seeks to explore and expand the current knowledge about the distribution, accumulation, and chemical/photochemical transformations of persistent, bioaccumulative, and toxic compounds (PBTs) in water ice or snow, especially in the connection to polar regions and atmospheric cloud particles. We already demonstrated that natural ice might be natural reaction medium for photochemical transformations by laboratory studies and this project should extend our knowledge about natural snow and ice. The planned laboratory experiments with ice contaminated with inorganic salts (nitrates, bromides) and ice with very low concentrations of organic pollutants will be a preparation for the field experiments. Here we plan to monitor concentrations of organic pollutants in snow in the region of Czech Republic as well as consequences of sun-irradiated samples."@en . . . "Environment\u00E1ln\u00ED d\u016Fsledky fotochemick\u00FDch transformac\u00ED v ledu a sn\u011Bhu" . . "photochemistry; environmental; ice; snow; pollutants"@en . . . " environmental" .