A trícium szerepe és viselkedése a légkörben és a csapadékban: természetes és antropogén hatások
Absztrakt
A trícium régóta használt, hasznos nyomjelző izotóp a légköri transzport, a felszíni és a felszín alatti vizek, valamint a globális vízforgalom tanulmányozásához. Az elmúlt évtizedekben a tríciummérések alkalmazása jelentősen megnövekedett a vízkutatásban, hidrológiában, meteorológiában, oceanográfiában. A tanulmány célja, hogy bemutassa a trícium természetes és mesterséges forrásait és nyelőit, valamint kémiai-fizikai formáit a légkörben. Továbbá összefoglaljuk a csapadékban a trícium környezeti szintjét befolyásoló hatásokat: a hidrológiai ciklus különböző fizikai folyamatait, a csapadék mennyiségét, hígulását, a naptevékenységet, a szélességi és szárazföldi hatást. 1963 óta a nukleáris tesztekből származó magas tríciumkoncentráció a csapadékban jelentősen lecsökkent, majdnem elérve az egyensúlyi szintet. Emiatt a tríciumidősorokban azonosíthatók lettek a naptevékenység által kiváltott mintázatok, amelyeket a légköri folyamatok szintén befolyásolnak.
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