nax 3.2. navTobis agregatebis koncentracia msoflio okeanis zedapirze (1980w. vladimirovi da sxv.)
1) 1mg/m2-ze naklebi 2) 1-10mg/m2 3) 10-100mg/m2
CrdiloeT atlantikaSi Catarebuli dakvirvebebis safuZvelze dadginda, rom navTobis naxSirwyalbadebis gundebiT maqsimaluri dabinZureba 1980 wels aRiniSna, xolo Semdeg SeimCneva misi klebis tendencia. navTobis gundebis arsebobis xangrZlivoba wylis zedapirze erT wlamdea.
gaxsnili emulgirebuli navTobis naxSirwyalbadebis koncentraciis ganawilebas okeaneSi kerovani aramdgradi xasiaTi aqvs, amave dros mWidro kavSirSia gaWuWyianebis wyaroebTan da wylis cirkulaciis procesebTan. CrdiloeTis, xmelTaSua da wiTel zRvebSi, sparseTis, omanis da adenis yureebSi misi maqsimaluri koncentracia 0,05 mg/l-s aRemateba, calkeul SemTxvevaSi ki 0,30 mg/l-s aRemateba, zogjer ki aRwevs 1mg/l-s. CrdiloeT atlantikis zedapirul wylebSi naxSirwyalbadebis Semcveloba icvleba 0-dan 0,6mg/l-mde. Crdilo atlantika ZiriTadad dabinZurebulia C.g. 20 da 40o intervalSi, rac anticiklonaluri wrebrunvis Sedegia. mis sazRvrebs gareT naxSirwyalbadebis koncentracia minimaluria.
cxrili 3.1.
navTobis naxSirwyalbadebis saSualo koncentracia wynari okeanis Crdilo-dasavleT raionSi wylis zeda fenebSi (vladimirovi da sxv. 1991)
akvatoria
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dakvirvebaTa ricxvi
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saSualo koncentracia
mkg/l
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saSualo kvadratuli gadaxra mkg/l
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samxreT CineTis zRva
filipiniis zRva
aRmosavleT CineTis zRva
kurisios raioni
iaponiis zRva
oiasios raioni
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89
143
18
431
268
72
|
25
17
20
34
28
29
|
34
18
12
44
33
31
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wynari okeanis Crdilo-dasavleT raionis wylis zeda fenebSi navTobis naxSirwyalbadebis saSualo koncentracia (cxrili 3.1) msoflio okeanis navTobiT dabinZurebis fonuri donis tolia da Seadgens 0-30 mkg/l. magram mTavari sanaosno trasebis gaswvriv (kurosios dineba, samxreT-CineTis zRva) dabinZurebis done momatebulia da aRemateba mis zRvrulad dasaSveb koncentracias (zdk) -50mkg/l.
navTobis naxSirwyalbadebis vertikaluri ganawileba okeaneSi xasiaTdeba koncentraciis maqsimumiT zeda kvazierTgvarovan fenaSi da siRmis mixedviT swrafad klebulobs, xolo 500m-is siRrmeze, rogorc wesi, gaxsnili emulgirebuli navTobis naxSirwyalbadebi ar aRiniSneba.
zRvis wylebsa da fskerul naleqSi navTobis naxSirwyalbadebis koncentracia farTo diapazonSi icvleba. 1993 wlis monacemebiT, beringis zRvis samxreT dasavleT nawilSi wyalSi navTobis naxSirwyalbadebis koncentracia 19,1-41,7mkg/l, xolo fskerul naleqSi 9,0-13,6mkg/gr diapazonSi icvleboda. oxotis zRvaSi 1988 wlis monacemebis Tanaxmad, wyalSi navTobis naxSirwyalbadebis saSualo Semcveloba 17 mkg/l Seadgenda, xolo fskerul naleqSi misi koncentracia 3,8-19,6 mkg/gr zRvrebSi meryeobda. 1994 wels Seswavlili iqna iaponiis zRvis wylebSi, fskerul naleqsa da zooplanqtonSi navTobis naxSirwyalbadebis Semcveloba. saSualod misma koncentraciam wylebSi – 9,2 mkg/l, fskerul naleqSi 5,4 mkg/gr, xolo zooplanqtonSi - 130 mkg/gr Seadgina. navTobis naxSirwyalbadebis SedarebiT didi raodenoba dafiqsirda baltiis zRvaSi, sadac misi koncentracia wylis mikroSreSi 8-130 mkg/l, zedapirul wylebSi 0,5-43,6 mkg/l., xolo fskerul naleqSi 1-326 mkg/gr zRvrebSi icvleboda, saSualo Semcvelobebi ki Sesabamisad 45,5 mkg/l, 11.7mkg/l da 54 mkg/gr-s Seadgenda. rigis yureSi (1992w.) sanapiro zonasTan SedarebiT navTobis naxSirwyalbadebis SedarebiT didi koncentracia Ria zRvis fskerul naleqSi dafiqsirda. sanapiro zonaSi misi Semcveloba 0,3-20mkg/gr, xolo Ria zRvaSi 30-50 mkg/gr zRvrebSi meryeobda. 1980-1990 wlamde kaspiis, azovis da Savi zRvis (ruseTis nawili) wylebSi navTobis naxSirwyalbadebis koncentraciebi, Sesabamisad 0,06 mg/l-dan 0,22 mg/l-mde, 0,07 mg/l–dan 0,38 mg/l-mde, 0,05 mg/l–dan 0,32 mg/l–mde gaizarda.
Savi zRvis saqarTvelos sanapiro wylebis mZime metalebiT, navTobiTa da navTobproduqtebiT dabinZurebis ZiriTadi mizezi aris samTomopovebiTi mrewveloba, soflis meurneoba da transportis infrastruqtura (zRvis portebi, terminalebi, rkinigza).
Savi zRvis saqarTvelos akvatoriis wylebsa da fskerul naleqSi navTobis naxSirwyalbadebis Semcvelobis da ganawilebis Sesaxeb Zalze detaluri kvlevebi Catarda saqarTvelos mecnierebaTa akademiis al.janeliZes saxelobis geologiuri institutis da samecniero kvleviT firma “gama”-s bazaze.
geoinformaciuli sistemebis gamoyenebiT agebul iqna navTobis naxSirwyalbadebis koncentraciebis ganawilebis rukebi n.gelaSvilis mier:
nax.3.3. Savi zRvis saqarTvelos seqtoris wylebSi navTobis naxSirwyalbadebis ganawileba. (n.gelaSvili 2004)
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