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Mo;flYk; mjd; cs; miyfSk; gw;wpj; jpUkiw


;,iwtd; jd; jpUkiwapy; $Wfpd;whd;>

my;yJ (,tHfSila  nray;fSf;F cjhuzk;); Mo; flypYs;s ,Us;fisg; Nghd;wjhFk;: mjid xU miy %bf;nfhs;fpwJ: mjw;F Nky; kw;NwhH miy mjw;F Nky; Nkfk;; (,t;thW) gy ,Us;fs;: mjpy; rpy rpytw;Wf;F Nky; ,Uf;fpd;wd. (,Us;fshy; #og;gl;l epiyapy; ghHg;gtd;) jd; ifia ntspahf;fp (ePl;b) dhy; mjid mtdhy; ghHf;f KbahJ. ,d;Dk;> vtUf;F my;yh`; xspia Mf;ftpy;iyNah mtUf;F (vq;Fk;) xsp ,y;iy. (my; FHMd; 24:40).;

Nkw;fz;l ,e;j trdj;jpy; ,iwtd;> fly;fspYk;> ngUq;fly;fspYk; mjd; Moj;jpy; ,Us;fs; #o;e;J ,Ug;gjhfTk;> me;j Moj;jpy; xUtd; jd; iffis ePl;bg; ghHf;f Kide;jhy;> mtdJ ifia mtNd ghHf;f ,ayhJ> vd;fpd;whd;.

Figure 15

Figure 15: Between 3 and 30 percent of the sunlight is reflected at the sea surface.  Then almost all of the seven colors of the light spectrum are absorbed one after another in the first 200 meters, except the blue light. (Oceans, Elder and Pernetta, p. 27.)

fly;fspYk;> ngUq;fly;fspYk; mjd; 200 kPl;lH kw;Wk; mjw;F Nkw;gl;l Moj;jpy; ,Us;fs; fhzg;gLfpd;wd.  mjw;F Nkw;gl;l 1000 kPl;lH Moj;jpy; ntspr;rk; vd;gij mwNt fhz ,ayhJ.* ePH%o;fpf; fg;gy;fs; my;yJ etPd rhjdq;fspd; Jiz ,y;yhky; 40 kPl;lUf;Fk; fPNo kdpjdhy; ePhpy; %o;f KbahJ. kdpjdhy; ve;jtpj fUtpfspd; JizAkpd;wp  ePhpd; 200 kPl;lH Moj;jpy; capH thoNt ,ayhJ vd;W etPd mwptpay; $Wfpd;wJ. *Oceans, elder and Pernetta, p.27. (glk; 15)

NkYk;> Mo;flypy; cs;s Mokhd ,lq;fspy; Nkw;fz;l etPd rhjdq;fshd ePH%o;fpf; fg;gy;fs; kw;WKs;s fUtpfspd; JizAld; $l xUtH ePe;j ,ayhJ> vd;gij flyhuha;r;rpahsHfs; jw;nghOJ fz;lwpe;Js;sdH.

,iwtdpd; jpUkiwf; FHMdpy; $wg;gl;bUf;Fk; ... Mo;flypYs;s ... mjid xU miy %bf;nfhs;fpwJ.mjw;F Nky; kw;NwhH miy: mjw;F Nky; Nkfk;... vd;w Nkw;fz;l trdj;jpy;> Mo;flypYs;s fly; ePiu xU miy %bf;nfhs;fpwJ> ,e;j miyia ,d;ndhU miy %bf;nfhs;fpwJ.> ,e;j ,uz;lhtJ fl;l miyapd; Nkw;gug;ig Nkfk; %bf;nfhz;Ls;sJ. NkYk; ,e;j ,uz;lhtJ fl;l miyapd; Nkw;gug;gpy; jhd; ehk; fhZk; Nkfk; ,Uf;fpd;wJ vDk; NghJ> FHMd; $Wk; Kjw;fl;l miy vd;dthf ,Uf;Fk;? vd;w Nfs;tp vOfpd;wJ.

Figure 16

Figure 16: Internal waves at interface between two layers of water of different densities.  One is dense (the lower one), the other one is less dense (the upper one). (Oceanography, Gross, p. 204.)

mjhtJ> flypd;  Moj;jpYk; cs; miyfs; ,Uf;fpd;wd vd;Wk;> fly; ePhpd; Moj;jpy; ,Uf;ff;$ba gy;NtW epiyfspYs;s mlHj;jp tpfpjq;fspd; khWghLfs;> flypd; Moj;ij gy;NtW mLf;Ffshfg; gphpf;fpd;wJ vd;Wk;> me;j mlHj;jpapd; khWghLfs; re;jpf;fpd;w ,U NtWgl;l mlHj;jpapd; ,ilg;gl;l epiyfspy; jhd; cs; miyfs; fhzg;gLfpd;wd vd;w cz;ikia rkPgj;jpy; jhd; tpQ;Qhdpfs; fz;Lgpbj;jdH.*(glk; 16) flypd; Nkw;gug;gpYs;s ePhpd; mlHj;jpia tpl flypd; Moj;jpy; cs;s ePhpy; mlHj;jpapd; tpfpjk;  mjpfk; fhzg;gLtjhy;> flypd; Moj;jpy; Vw;gLk; cs;miyfis  Mo;fly; ePuhdJ %bf;nfhs;fpd;wJ. * Oceanography, Gross, p.205.

flypd; Nkw;gug;gpy; fhzg;gLk; miyfs; NghyNt> flypd; Moj;jpy; Vw;gLk; cs;miyfSk; mfLfisAk; KfLfisAk; nfhz;ljhfTk;> NknyOk;gp jho;thfp miy miyaha; nry;yf;$ba jd;ikfisf; nfhz;ljhfTk; cs;sd. Mdhy; flypd; Nkw;gug;gpy; ehk; fhZk; miyfisg; Nghy flypd; mbapy; Vw;gLk; cs;miyfis kdpjf; fz;fshy; fhz KbahJ. Fwpg;gpl;l ,lj;jpy; fhzg;gLk; ntg;gk; my;yJ cg;Gj;jd;ikapd; khWghLfisf; nfhz;Nl ehk; flypd; Moj;jpy; fhzg;gLk; gy;NtW mLf;Ffisf; fz;lwpa KbAk; vd tpQ;Qhdpfs; fz;lwpe;Js;sdH. (oceanography, Gross, p.205)

kpfr; rkPgj;jpy; jhd; fz;lwpag;gl;l ,e;j mwptpay; cz;ikfs; 1400 tUlq;fSf;F Kd; tho;e;j xUtuhy; vt;thW ,t;tsT njspthff; $w Kbe;jJ.  Vnddpy; mtH; ,e;j cyifnay;yhk; gilj;J ghpghypf;fpd;w Vf ,iwNahdhy; mDg;g;gl;l cz;ikj;JhjH my;yth!!!

H 4
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