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Hasznalt hevíz szikkadas okozta talajtani valtozasok Esettanulmany egy del-alfoldi foldcsatorna kornyezeteben


, : Hasznalt hevíz szikkadas okozta talajtani valtozasok Esettanulmany egy del-alfoldi foldcsatorna kornyezeteben.

Haz nk kedvez? geotermikus adotts gai miatt nagy mennyis gben termelhet? ki a v ltozatos hasznos t si m doknak eleget tev? term lv z. Balneol giai felhaszn l s ut n a visszasajtol s tilalma miatt a felsz ni csurgal kv z-elvezet s t bbnyire f ldcsatorn kon kereszt l t rt nik. A vizsg lati ter let l v lasztott cserkesz?l?i gy gyf rd?b?l a term szetbe kiker l? haszn lt h v z szigetel s n lk li csatorn n kereszt l a K r sbe mlik. Az gy elszikkad csurgal k h v z talajtani hat sait 11 diagnosztikai talajparam ter figyelembev tel vel f?komponens anal zis s diszkriminancia anal zis seg ts g vel rt kelt k. Meg llap tottuk, hogy a besziv rg haszn lt h v z nagy Na+-koncentr ci ja miatt a talajban ioncsere folyamatok j tsz dnak le, melyek a Na+-koncentr ci n veked se s ezzel egyidej?leg a Ca2+-tartalom cs kken se ir ny ba hatnak. A diszkriminancia f ggv ny alapj n a legjelent?sebb h tt rfolyamatk nt a Mg2+mobiliz ci azonos that . A szikesed st jelz? param terek (EC, sz da-, Na+-, HCO3--tartalom) csak kis m rt kben n vekedtek, a szikesed si r szfolyamatok megjelen se gy jelenleg kezdetinek tekinthet?. A csatorna k rny k n a humusz- s K+-tartalom n veked se is kimutathat volt. A diszkriminancia f ggv ny alapj n diszkriminancia diagramot szerkesztett nk, melyen k zel 9%-os helyess ggel k l n ltek el a talajmint k a csatorn t l val t vols g szerint a priori ismereteink alapj n k pzett kontroll s term lv zhat s alatt ll talajmintacsoportokra. A diszkriminancia f ggv ny alapj n a tov bbiakban a mintater letr?l sz rmaz b rmely talajminta diagnosztikai param tereinek meghat roz sa ut n besorolhat lesz a term lv z hat sa ltal rintett vagy nem rintett csoportok valamelyik be. gy k zvetetten a hat ster let kiterjed s r?l is inform ci t nyerhet nk. Ezen az 5 ve term lv zhat s alatt ll ter leten igazolhat volt a h v z szikkad s talajm dos t hat sa, azonban a terepi megfigyel sek, laborat riumi vizsg latok s a statisztikai anal zis tan s ga szerint ezen folyamatok nem rik el azt a m rt ket, mely eset n m r talajdegrad ci r l besz lhetn nk.

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