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Thursday, 27 May 2021

⎁්‍āļģී āļŊංāļšා āļ¸ු⎄ුāļ¯ු āļ­ීāļģāļēේ āļœිāļąිāļœāļą්āļąා āļąෞāļšා⎀ - MV X-Press Pearl

 āˇ්‍āļģී āļŊංāļšා āļ¸ු⎄ුāļ¯ු āļ­ීāļģāļēේ āļœිāļąිāļœāļą්āļąා āļąෞāļšා⎀ - MV  X-Press Pearl

Source: https://www.expressandstar.com

āļģ⎃ාāļēāļą āļ¯්‍āļģ⎀්‍āļē āļļ⎄ාāļŊුāļ¸් 1486 āļģැāļœෙāļą āļ¸ැāļēි āļ¸āˇƒ 19 ⎀āļąāļ¯ිāļą āļ‰āļą්āļ¯ිāļēා⎀ේ āˇ„āˇƒීāļģා ⎃ිāļ§ āļšො⎅āļš  āˇ€āļģāļēāļ§ āļ´ැāļ¸ිāļĢි X PRESS PEARL āļąෞāļšා⎀ āļ´āˇƒුāļœිāļē āļ¸ැāļēි āļ¸āˇƒ 20 ⎀āļą āļ¯ිāļą āˇ„āļ¯ි⎃ි āļœිāļąිāļœැāļąීāļ¸āļšāļ§ āļŊāļš්⎀ිāļē. 

Source: www.navy.lk

 āļšො⎅āļš āˇ€ාāļģāļēේ ⎃ිāļ§ āļąා⎀ුāļš āˇƒැāļ­āļ´ුāļ¸් 9.5 āļš් āļ´āļ¸āļĢ āļ¯ුāļģිāļą් āļœිāļąිāļœāļąිāļ¸ිāļą් āļ´ැ⎀āļ­ි āļ¸ෙāļ¸ āļąෞāļšා⎀ේ ⎃ිāļ§ි āļ´ිāļŊිāļ´ීāļą, āļ ීāļą, āļ‰āļą්āļ¯ීāļē, āļģු⎃ිāļēාāļąු āļĸාāļ­ිāļšāļēිāļą් 25 āļ¯ෙāļąෙāļš් āļąා⎀ිāļš āˇ„āļ¸ුāļ¯ා⎀ේ āļ¸ෙ⎄ෙāļēුāļ¸් āļ¸āļœිāļą් āļ¸ුāļ¯ාāļœැāļąීāļ¸āļ§ āˇ„ැāļšි⎀ිāļē.  āļ’ āļ…āļ­āļģ āļ¯ෙāļ¯ෙāļąෙāļšු āļ´ි⎅ි⎃්⎃ීāļ¸් āļ­ු⎀ාāļŊ  ⎀ූ āļ…āļ­āļģ āļ‘āļš් āļ‰āļą්āļ¯ීāļē āļĸාāļ­ිāļšāļēෙāļš් ⎄āļ§ COVID-19 ⎀ෛāļģ⎃āļē ⎀ැ⎅āļŗී āļ­ිāļļුāļĢි. 

āļ¸ැāļēි 25 ⎀āļąāļ¯ිāļą  āļ‹āļ¯ෑ⎃āļą āļ¸ෙāļ¸ āļąෞāļšා⎀ේ āļ´ිāļ´ුāļģුāļ¸āļš් ⎀ාāļģ්āļ­ා ⎀ූ āļ…āļ­āļģ āļģ⎃ාāļąāļē āļ¯්‍āļģ⎀්‍āļē āˇƒāˇ„ිāļ­ āļļ⎄ාāļŊුāļ¸් 8 āļš් āļ´āļ¸āļĢ āļ´āļ¸āļĢ āļ¸ු⎄ුāļ¯ුāļ§ āˇ€ැāļ§ීāļ¸ āˇƒිāļ¯ු⎀ිāļē. 

Source: https://www.offshore-energy.biz/

⎁්‍āļģී āļŊංāļšා āļąා⎀ිāļš āˇ„āļ¸ුāļ¯ා⎀ , āļ‰āļą්āļ¯ීāļē  āļ†āļģāļš්⎂āļš āļąෞāļšා āļœිāļą්āļą āļ¸ැāļŠāļ´ැ⎀ැāļ­්⎀ීāļ¸āļ§ āļąොāļēෙāļš් āļ´්‍āļģāļēāļ­්āļąāļēāļą් āļœāļ­්āļ­āļ¯ āļœිāļą්āļą X-PRESS PEARL āļąෞāļšා⎀ āļ­ුāļŊ ⎁ීāļœ්‍āļģāļēෙāļą්  āļ´ැāļ­ිāļģāļœො⎃් āļ­ිāļļුāļĢි. āļ’ āļ…āļąු⎀ āļ­āˇ€āļ­් āļ‹āļ­්āˇƒāˇ„āļēāļš් āļŊෙ⎃ āļ¸ැāļēි 26 ⎀āļąāļ¯ිāļą āˇ්‍āļģී āļŊංāļšා āļœු⎀āļą් ⎄āļ¸ුāļ¯ා⎀ āļ¸āļœිāļą් Dry Chemical Powder āļšිāļŊෝāļœ්‍āļģෑāļ¸් 450 āļš් āļ´āļ¸āļĢ āļœු⎀āļąිāļą් X-PRESS PEARL āļąෞāļšා⎀ āļ¸āļ­āļ§ āļ¸ුāļ¯ා⎄āļģිāļą āļŊāļ¯ී.

X-PRESS PEARL āļąෞāļšා⎀ ⎁්‍āļģී āļŊංāļšා āļ¸ු⎄ුāļ¯ු āļ­ීāļģāļēේ āļąා⎀ුāļš āˇƒැāļ­āļ´ුāļ¸් 50 āļš් āļ´āļ¸āļĢ āļ­āˇ€āļ¯ුāļģāļ§āļ­් āļˆāļ­āļ§ āļģැāļœෙāļą āļēාāļ¸āļ§ āļļāļŊāļ°ාāļģීāļą් ⎃ැāļŊāļšිāļŊිāļ¸āļ­් ⎀ු⎀āļ¯ āļ´āˇ€āļ­ිāļą āļ…āļē⎄āļ´āļ­් āļšාāļŊāļœුāļĢිā āļ­āļ­්⎀āļēāļ§ āˇƒāˇ„ āļœිāļą්āļą āļąි⎀ීāļ¸āļ§ āˇ€ැāļŠි āļ…⎀āļ°ාāļąāļē  āļēොāļ¸ු āļšිāļģීāļ¸āļ§ āˇƒිāļ¯ු⎀ිāļē. 

āļ’ āļ…āļąු⎀ X-PRESS PEARL āļąෞāļšා⎀ āļ­ුāļŊ āļœිāļą්āļą āˇ€ි⎁ාāļŊ ⎀⎁āļēෙāļą් āļ´ැāļ­ිāļģāļœො⎃් āļ‡āļ­ි āļ…āļ­āļģ āļąෞāļšා⎀ āļ¸āļ­ āļ‡āļ­ි āļģ⎃ාāļēāļą āļ¯්‍āļģ⎀්‍āļē āˇƒāˇ„ිāļ­ āļļ⎄ාāļŊුāļ¸් āļ­āˇ€āļ¯ුāļģāļ§āļ­් āļ¸ු⎄ුāļ¯āļ§ āˇ€ැāļ§ෙāļ¸ිāļą් āļ´āˇ€āļ­ී. 

Source: www.navy.lk

āļ¸ෙāļ¸ āļģ⎃ාāļēāļą  āļ¯්‍āļģ⎀්‍āļē, āļļ⎄ාāļŊුāļ¸් āļšොāļ§āˇƒ් āļ†āļ¯ී āļ…āļ´āļ¯්‍āļģ⎀්‍āļē āļ¯ැāļąāļ§āļ¸āļ­් āļ…⎀āļ§ āļ¸ු⎄ුāļ¯ු āļ­ීāļģāļēāļą්āļ§ (⎀āļ­්āļ­āļŊ , āļ‹āˇƒ්⎀ැāļ§āļšෙāļēිāļēා⎀ , āļ¸ීāļœāļ¸ු⎀) āļœොāļŠāļœāˇƒා āļ‡āļ­ි āļ…āļēුāļģු āļ¯āļš්āļąāļ§ āļŊැāļļේ. āļ­āˇ€āļ¯ුāļģāļ§āļ­් āļ¸ෙāļ¸ āļ…āļ´āļ¯්‍āļģ⎀්‍āļē āļ¯ිāļš්āļ•⎀ිāļ§ āˇƒිāļ§ āļ´ුāļ­්āļ­āļŊāļ¸් āˇƒāˇ„ ⎀ැāļŊ්āļŊ⎀āļ­්āļ­ āˇƒිāļ§ āļ´ාāļąāļ¯ුāļģ ⎀ෙāļģāļŊāļ­ීāļģāļēāļą්āļ§ āļœොāļŠāļœැ⎃ීāļ¸āļ§ āļ‰āļŠ āļ‡āļ­ි āļļ⎀ ⎃āļ¯āˇ„āļą් ⎀ේ. āļ¸ෙāļ¸ āļģ⎃ාāļēāļą āļ¯්‍āļģ⎀්‍āļē āˇƒāˇ„ āļ…āļ´āļ¯්‍āļģ⎀්‍āļē āļ‰āˇ€āļ­් āļšිāļģීāļ¸ේ ⎀ැāļŠāˇƒāļ§āˇ„āļą් ⎁්‍āļģී āļŊංāļšා āļąා⎀ිāļš āˇ„āļ¸ුāļ¯ා⎀ āļ¸ැāļ¯ි⎄āļ­්⎀ ⎃ිāļ¯ුāļšāļģāļąු āļŊැāļļේ. āļ¸āˇ„āļĸāļąāļ­ා⎀ āļ‘āļ¸ āļģ⎃ාāļąිāļš āļ…āļ´āļ¯්‍āļģ⎀්‍āļē āļ‡āļŊ්āļŊීāļ¸ෙāļą් ⎄ා āļœැāļ§ීāļ¸ෙāļą් ⎀āļŊāļšිāļą āļŊෙ⎃āļ§ āļļāļŊāļ°ාāļģීāļą් āļ‰āļŊ්āļŊා ⎃ිāļ§ී. 

āļ¸ෙāļ¸ āļģ⎃ාāļēāļą āļ¯්‍āļģ⎀්‍āļē ⎄ේāļ­ු⎀ෙāļą් āļ‡āļ­ි⎀ූ āļœිāļą්āļąෙāļą් āļ´ිāļ§āˇ€ූ Nitrogen Dioxide āļ‡āļ­ුāļŊු ⎀ි⎂ ⎀ාāļēුāļą් ⎄ේāļ­ු⎀ෙāļą් āļ­āļ¯ා⎃āļą්āļą āļ´්‍āļģāļ¯ේ⎁⎀āļŊāļ§ āļ…āļ¸්āļŊ ⎀ැ⎃ි āļ‡āļ­ි⎀ීāļ¸ේ āļ…⎀āļ°ාāļąāļ¸āļš් āļ¯ āļ´āˇ€āļ­ිāļą āļļ⎀ āļļāļŊāļ°ාāļģීāļą් āļ´්‍āļģāļšා⎁ āļšāļģ ⎃ිāļ§ී.

āļ¸ෙāļ¸ X-PRESS PEARL āļąෞāļšා⎀ āļļāļŊāļœැāļą්⎀ීāļ¸āļ§ āļąෞāļšා⎀ āļ­ුāļŊ āļœāļļāļŠා āļšāļģ āļ­ිāļļෙāļą āļ‰āļą්āļ°āļą āļ¸ු⎄ුāļ¯āļ§ āļ‘āļš්⎀ීāļ¸ āˇƒිāļ¯ු⎀ිāļē ⎄ැāļšි āļ­āˇ€āļ­් āļļāļģāļ´āļ­āļŊ ⎃āļ¸ුāļ¯්‍āļģ ⎄ාāļąිāļēāļšි. ⎃ාāļ¸ාāļą්‍āļē āļˇාāļĢ්āļŠ āļ´්‍āļģ⎀ා⎄āļą āļąෞāļšා⎀āļš් āļ­ුāļŊ āļ‰āļą්āļ°āļą āļœැāļŊුāļ¸් āļ¸ිāļŊිāļēāļąāļēāļš් āļ´āļ¸āļĢ āļ­ිāļļෙāļą āļ…āļ­āļģ āļ‘āļ¸āļœිāļą් āļ¸ෙā X-PRESS PEARL āļąෞāļšා⎀ේ ⎀ි⎁ාāļŊ āļ‰āļą්āļ°āļą āļ´්‍āļģāļ¸ාāļĢāļēāļš් āļ´āˇ€āļ­ිāļą āļļ⎀āļ­් āļ‘āļ¸ āļ‰āļą්āļ°āļą āļ¸ු⎄ුāļ¯āļ§ āļ‘āļš āˇ€ු⎀⎄ොāļ­් āļ‡āļ­ි⎀āļą āˇ„ාāļąිāļēāļ­් ⎀ි⎁ාāļŊ ⎀āļą āļļ⎀āļ­් ⎀ැāļ§āˇ„ා  āļœāļ­ āˇ„ැāļš.

X-PRESS PEARL āļąෞāļšා⎀ෙāļą් āļ¸ු⎄ුāļ¯āļ§ āļ‘āļš්⎀ූ āļģ⎃ාāļēāļą āļ¯්‍āļģ⎀්‍āļē ⎄ේāļ­ු⎀ෙāļą් ⎃āļ¸ුāļ¯්‍āļģ āļ´āļģි⎃āļģāļēāļ§ āļ‡āļ­ි⎀ූ ⎄ාāļąිāļē ⎃ොāļēාāļļැāļŊීāļ¸āļ§ āˇ්‍āļģී āļŊංāļšා⎀ේ  āļąාāļģා āļ†āļēāļ­āļąāļē āļ¸āļœිāļą් āļ´āļģීāļš්⎂āļĢ āļ…āļģāļšා āļ­ිāļļේ.


āļ¯ැāļąāļ§ āļ´āˇ€āļ­ිāļą āļ­āļ­්⎀āļē āļ…āļąු⎀ X-PRESS PEARL āļąෞāļšා⎀ේ āļœිāļą්āļą āļēāļ¸්āļ­ාāļš් āļ¯ුāļģāļ§ āļ´ාāļŊāļą āļšිāļģීāļ¸āļ§ āˇ්‍āļģී āļŊංāļšා āļąා⎀ිāļš āˇ„āļ¸ුāļ¯ා⎀ āˇƒāˇ„ āļ‰āļą්āļ¯ීāļē ⎀ෙāļģ⎅ āļ†āļģāļš්⎂āļš āļēාāļ­්‍āļģා ⎀āļŊāļ§ āˇ„ැāļšිāļēා⎀ āļŊැāļļී āļ‡āļ­.

āļšෙ⎃ේ āļąāļ¸ුāļ­් āļ¸ෙā X-PRESS PEARL āļąෞāļšා⎀ේ āļ‡āļ­ි⎀ූ āļ…āļąāļ­ුāļģෙāļą් ⎁්‍āļģී āļŊංāļšා ⎃āļ¸ුāļ¯්‍āļģ āļ´āļģි⎃āļģ āļ´āļ¯්āļ°āļ­ිāļēāļ§ āļšෙāļ§ි āļšාāļŊීāļą āˇƒāˇ„ āļ¯ීāļģ්āļ āļšාāļŊීāļą āļ…⎄ිāļ­āļšāļģ āļļāļŊāļ´ෑāļ¸් āļ‡āļ­ි⎀āļąු āļ‡āļ­ැāļēි āļ…āļ´ේāļš්⎂ා āļšිāļģීāļ¸āļ§ āļ´ු⎅ු⎀āļą.


āļģāļ āļąāļē : Isuru Umesha Ravisanka



References: 

https://www.expressandstar.com/news/world-news/2021/05/25/container-ship-evacuated-after-explosion-off-colombo/

https://www.fleetmon.com/maritime-news/2021/33869/container-ship-x-press-pearl-may-26-update-total-l/

https://news.navy.lk/oparation-news/2021/05/25/202105251830/

https://youtu.be/FH9MIEoVoiI

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Sunday, 16 May 2021

Micro Plastic  (āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš්)

 ( āļ´āˇ…āļ¸ු āļšොāļ§āˇƒ ) 


⎄ැāļŗිāļą්⎀ීāļ¸... 

Micro plastic āļ‡āļ­ි⎀ීāļ¸ āˇ„ා āļ‘⎄ි āļš්‍āļģිāļēා⎀

āļŊො⎀ āļšාāļģ්āļ¸ීāļšāļģāļĢāļē āļ­් ⎃āļ¸āļœ āˇ€āˇƒāļģ 1907 āļ¯ි  New York āļąāļœāļģāļēේ ⎀ි⎃ූ Leo Bakelite ⎀ි⎃ිāļą් āļšෘāļ­ිāļ¸ āļ´්āļŊා⎃්āļ§ිāļš් āļēāļą්āļą āļ…āļąා⎀āļģāļĢāļē ⎄ා āļąි⎁්āļ´ාāļ¯āļąāļē (Bakelite) āļ´්‍āļģāļŽāļ¸ āˇ€āļģāļ§ āˇƒිāļ¯ු āļšāļģāļą āļ…āļ­āļģ ⎀āļģ්āļ­āļ¸ාāļąāļē ⎀āļą āˇ€ිāļ§ āļ´්āļŊා⎃්āļ§ිāļš් āļˇා⎀ිāļ­āļē āļąො ⎀ැ⎅ැāļš්⎀ිāļē ⎄ැāļšි āļ­āļģāļ¸් āļ…āļ­්‍āļē⎀⎁්‍āļē ⎄ා ⎃ුāļŊāļˇ āļ¯ෙāļēāļš් āļļ⎀āļ§ āļ´āļ­්⎀ āļ‡āļ­. 

āļ‘⎄ි āļ‡āļ­ි āļ´āˇ„āˇƒු⎀, āļŊාāļˇāļ¯ාāļēී āļļ⎀, āļ†āļ¯ේ⎁āļšāļēāļš් ⎀ීāļ¸,⎃ැ⎄ැāļŊ්āļŊු āļļ⎀ ⎀ැāļąි ⎀ි⎀ිāļ° āļšāļģුāļĢු āļąි⎃ා āļŊොāļšāļēේ āļļෝ⎄ෝāļ¸āļēāļš් āļąි⎁්āļ´ාāļ¯āļą āˇƒāļŗāˇ„ා āļ…āļ¯ āˇ€āļą āˇ€ිāļ§ āļ´්āļŊා⎃්āļ§ිāļš් āļˇා⎀ිāļ­ා āļšāļģāļąු āļŊāļļāļēි. 

āļ‘āˇƒේ āļˇා⎀ිāļ­ා⎀āļą āļ´්āļŊා⎃්āļ§ිāļš් āļšොāļ§āˇƒ් āļ…āļ´ āļąොāļ¯ැāļąු⎀āļ­්⎀āļ¸ āļ…āļ´ āļœāļą්āļąා āļ†āˇ„ාāļģ, āļĸāļŊāļē, āļ†āļŊේāļ´āļą, āļ¯āļą්āļ­ාāļŊේāļ´, ⎂ැāļ¸්āļ´ු, ⎃ේāļ¯ුāļ¸් āļšුāļŠු ⎀ැāļąි āļļො⎄ෝ āļąි⎂්āļ´ාāļ¯āļąāˇ€āļŊ āļ…āļŠංāļœු ⎀ීāļ¸ āļ¸ෙ⎄ි āļ‡āļ­ි ⎀āļŠාāļ­් āļ…⎀āļ°ාāļąāļē āļēොāļ¸ු āļšāļŊāļēුāļ­ු  āļšāļģුāļĢāļēි. 

āļ¸ෙāļŊෙ⎃ āļ†āˇ„ාāļģ, āļĸāļŊāļē ⎄ෝ ⎀ෙāļąāļ­් āļąි⎂්āļ´ාāļ¯āļą āˇ€āˇāļēෙāļą් āļ¸ිāļąි⎃ුāļą් āļœේ ⎄ා ⎃āļ­ුāļą් āļœේ ⎁āļģීāļģ āļœāļ­ āˇ€āļą āļ¸ෙāļ¸ āļšුāļŠා āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු ⎀āļŊ ⎃āļģ්⎀ ⎃āļ¸්āļ´ූāļģ්āļĢ āļšොāļ§āˇƒ්     microplastics ⎀āļą āļ…āļ­āļģ āļ’⎀ා 0.3 - 5 mm āļ…āļ­āļģ āļ´āˇ€āļ­ිāļą āļ‰āļ­ා āļšුāļŠා āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු ⎀ේ.

⎀ි⎁ාāļŊ āļ´්āļŊා⎃්āļ§ිāļš් āļšොāļ§āˇƒ් (Macro plastic) āļ´āˇƒු⎀ āļ¯්⎀ිāļ­ීāļš āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš් (Secondary micro plastic) āļšොāļ§āˇƒ් āļļ⎀āļ§āļ­් āļ…āˇ€āˇƒාāļąāļēේāļ¯ී  āļ´්‍āļģාāļŽāļ¸ිāļš āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš් āļšොāļ§āˇƒ් (Primary micro plastic) āļļ⎀āļ§āļ­් āļ´āļ­්⎀ේ.. 

āļ’⎀ා.

  • Micro fibers
  • Micro beads
  • Micro pellets 

āļēāļą āļ†āļšාāļģ ⎀āļŊිāļą් ⎃āļ¸āļą්⎀ිāļ­āļē.

āļ¸ෙāļ¸ microplastic āļ´ි⎅ිāļļāļŗ āļ´āļģ්āļēේ⎂āļĢ āļ‰āļ­ා āļ¸ෑāļ­ āļ‰āļ­ි⎄ා⎃āļēāļš āļ¯ී ⎀āļŠාāļ­් āļ…⎀āļ°ාāļąāļēāļ§ āˇ„ා ⎃ැāļŊāļšිāļŊ්āļŊāļ§ āļœෙāļą āļ­ිāļļෙāļą āļļැ⎀ිāļą් āļ¸ෙ⎄ි āļ‡āļ­ි ⎀āļŠාāļ­් āļ´ු⎅ුāļŊ් āļ…āļ°්‍āļēāļēāļąāļēāļš් āļ­āˇ€āļ¸āļ­් ⎃ීāļ¸ිāļ­āļē. 

āļ‘āļē āļ‘āˇƒේ ⎀ූ āļąāļ¸ුāļ­් āļ¸ෙāļ¸ āļŊිāļ´ිāļēෙāļą් āļ’ āļ´ි⎅ිāļļāļŗ āļ­āļģāļ¸āļš් āļ¯ුāļģāļ§ āļ…⎀āļļෝāļ°āļēāļš් āļŊāļļා āļ¯ීāļ¸āļ§ āˇ„ැāļšි ⎀ෙāļ­ැāļēි ⎃ිāļ­āļ¸ි. 

āļ†āˇ„ාāļģ ⎄ා āļĸāļŊāļēේ āļ‡āļ­ි microplastic

āļ¸ිāļąි⎃ා ⎀ි⎃ිāļą් āļ´්āļŊා⎃්āļ§ිāļš් āļ§ොāļą් āļļිāļŊිāļēāļą āļœāļĢāļąිāļą් āļąි⎂්āļ´ාāļ¯āļą āļšāļ§āļēුāļ­ු⎀āļŊāļ§ āļˇා⎀ිāļ­ා āļšāļģāļą āļ…āļ­āļģ āļ‘āļēිāļą් ⎃ිāļēāļēāļ§ āļ¯āˇ„āļēāļš් āļ´āļ¸āļĢ āˇƒු⎅ු āļ´්‍āļģāļ¸ාāļĢāļē āļš් āļ´්‍āļģāļ­ිāļ āļš්‍āļģීāļēāļšāļģāļĢāļē ⎃āļŗāˇ„ා āļēොāļ¯ාāļœāļąී. 

āļļො⎄ෝ āļ´්āļŊා⎃්āļ§ිāļš් āļšොāļ§āˇƒ් ⎄ා āļąි⎂්āļ´ාāļ¯āļą āļ´āļģි⎃āļģāļēāļ§ āļ‘āļšāļ­ු ⎀āļą āļ…āļ­āļģ āļ¸ෙ⎃ේ āļ‘āļšāļ­ු ⎀āļą āļ´්āļŊා⎃්āļ§ිāļš් āļšොāļ§āˇƒ් āļšාāļŊāļēāļ­් ⎃āļ¸āļœ āļ‰āļ­ා āļšුāļŠා āļ…ං⎁ුāļ¸āļē āļšොāļ§āˇƒ් ⎀āļŊāļ§ āļļිāļŗ āˇ€ැāļ§ෙāļąු āļ‡āļ­. (UV āļšිāļģāļĢ āˇ„ා ⎀ිāļēෝāļĸāļąāļē āļ¸āļœිāļą්) 

āļļො⎄ෝ āļ´්āļŊා⎃්āļ§ිāļš් āļąි⎂්āļ´ාāļ¯āļą āļ´āˇ„āˇƒු⎀ෙāļą් āļ¯ිāļģ⎀ීāļ¸āļ§ āˇ„ැāļšි⎀āļą āļŊෙ⎃ āļąිāļ´āļ¯āˇ€āļą āļąāļ¸ුāļ­් āļ‡āļ­්āļ­ෙāļą්āļ¸ āļ’⎀ා āļ‰āļ­ා āļšුāļŠා āļ…ං⎁ුāļ¸āļē āļšොāļ§āˇƒ් āļļ⎀āļ§ āļļිāļŗ āˇ€ැāļ§ෙāļą āļ…āļ­āļģ āļ´ූāļģ්āļĢ āˇ€ිāļēෝāļĸāļąāļēāļ§ āļˇාāļĸāļąāļē āļąො⎀ේ.(Biological degradation ) 

āļ¸ෙāļąි⎃ා   āˇ€ිāļēෝāļĸāļąāļē āļąො⎀āļą (non degradable) ⎀ි⎁ාāļŊ āļ´්āļŊා⎃්āļ§ිāļš් āļąි⎁්āļ´ාāļ¯āļą āˇ€āļŊāļ§ āˇ€āļŠා āļ´ූāļģ්āļĢ āˇ€ිāļēෝāļĸāļąāļē āļąො⎀āļą (Partially degradable) āļ´්āļŊා⎃්āļ§ිāļš් āļąි⎂්āļ´ාāļ¯āļą āļ´āļģි⎃āļģāļēāļ§ āˇ€āļŠාāļ­් āļ…⎄ිāļ­āļšāļģāļē. 

āļ‘āˇƒේ āļ‰āļ­ිāļģි ⎀āļą āļ‰āļ­ා āļšුāļŠා āļ…ං⎁ුāļ¸āļē āļ´්āļŊා⎃්āļ§ිāļš් āļšොāļ§āˇƒ් (tiny particles) āļ´āˇƒේ ⎃ිāļ§ āļĸāļŊ āļ´්‍āļģ⎀ා⎄ āļ”āˇƒ්⎃ේ āļ‡āˇ… āļ¯ො⎅ āļœංāļœා ⎄āļģ⎄ා ⎃ාāļœāļģāļēāļ§ āļ¸ු⎃ු ⎀ෙāļēි. āļ…āˇ€āˇƒාāļąāļēේ āļ¸ෙ⎃ේ ⎃ාāļœāļģ āļĸāļŊāļē ⎄ා āļœංāļœා⎀āļŊ āļ´āˇ€āļ­ිāļą āļ‰āļ­ා āļšුāļŠා āļ…ං⎁ුāļ¸āļē āļ´්āļŊා⎃්āļ§ිāļš් āļšොāļ§āˇƒ් āļĸāļŊāļēේ ⎃ිāļ§ිāļą āˇƒāļ­්⎀ āļ´්āļŊ⎀ංāļœ (zooplankton, ichthyoplankton) āļēāļą āļš්⎂ුāļ¯්‍āļģāļĸී⎀ීāļą්āļœේ (micro organism) āļ†āˇ„ාāļģ āļ´āļģිāļˇෝāļĸāļąāļē  (filter feeding ) āļ¸āļŸිāļą් ⎁āļģීāļģāļē āļ­ු⎅āļ§ āļ‡āļ­ු⎅ු ⎀ේ. 

āļļො⎄ෝ ⎀ිāļ§ āļ¸ෙāļ¸ āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු āļ‰āļ­ා āļšුāļŠා āļ†āˇ„ාāļģ āļ…ං⎁ු āļēැāļēි ⎃ිāļ­ා āļ¸ෙāļ¸ āļš්⎂ුāļ¯්‍āļģ āļĸී⎀ීāļą් āļ’⎀ා āļ†āˇ„ාāļģāļēāļ§ āļœāļą්āļąāˇ€ා ⎀āļąු āļ‡āļ­. 

āļ‘āˇƒේ āļšුāļŠා āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු āļ…āļŠංāļœු ⎁ුāļ¯්‍āļģāļĸී⎀ීāļą් āļšුāļŠා āļ¸āļ­්⎃්‍āļēāļēිāļą් (fish larvae) ⎀ි⎃ිāļą් āļ†āˇ„ාāļģāļēāļ§ āļœāļą්āļąා āļ…āļ­āļģ āļ‘āļ¸āļœිāļą් āļ’⎀ා āļ¸āļ­්⎃්‍āļē ⎁āļģීāļģāļœāļ­ āˇ€ේ. āļ¸ෙ⎃ේ āļ†āˇ„ාāļģ āļ¯ාāļ¸āļēāļš් āļ”āˇƒ්⎃ේ āļ´ැāļ¸ිāļĢ āļ…āˇ€āˇƒාāļąāļēේ āļ¸ිāļąි⎃් ⎃ිāļģුāļģāļ§ āļ¯ āļ¸ෙāļ¸ āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු āļ‡āļ­ු⎅ු ⎀ේ. 

āļ‘āˇƒේāļ¸ āļ¸ෙāļ¸ āļšුāļŠා āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු ⎃ාāļœāļģ āļ´ෙāļģා āļļුāļ¯ිāļą්āļąāļą් āļœේ  ⎃ිāļģුāļģේ āļ¯ āļ‰āļ­ා āļ´āˇ„āˇƒු⎀ෙāļą් āļ­ැāļą්āļ´āļ­් ⎀ිāļē ⎄ැāļšිāļē. āļļො⎄ෝ⎀ිāļ§ āļšāˇ€āļ āļ¸āļē āļ¸āļ­්⎃්‍āļē āļēāļą් (shellfish) āļŊෙ⎃ ⎃āļŊāļšāļąු āļŊāļļāļą Bivalve, Scallop, āļēāļą āˇƒāļ­්⎀āļēāļą් āļœේ ⎃ිāļģුāļģේ āļ‰āļ­ා āļ´āˇ„āˇƒු⎀ෙāļą් āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු āļ­ැāļą්āļ´āļ­් ⎀āļą āļ…āļ­āļģ āļ’⎀ා āļ¸ිāļąි⎃් āļ´āļģිāļˇෝāļĸāļąāļēේāļ¯ී ⎃ෘāļĸු⎀āļ¸ āˇāļģීāļģāļœāļ­ āˇ€ිāļē ⎄ැāļšිāļē. 

āļ‘āˇƒේāļ¸ āļļො⎄ෝ ⎀ිāļ§ āļ…āļ´ āļ†āˇ„ාāļģāļēāļ§ āļœāļą්āļąāˇ€ා āļŊුāļĢු⎀āļŊ āˇƒāˇ„ āļ…āļąෙāļšුāļ­් ⎃ාāļœāļģ āļ†āˇ්‍āļģිāļ­ āļąි⎁්āļ´ාāļ¯āļą āˇ€āļŊ āļ´āˇ€ා āļ¸ෙāļ¸ āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු āļ…āļŠංāļœු ⎀ිāļē ⎄ැāļšි āļēැāļēි āļ´ැāˇ€āˇƒේ. 


āļ‡āļ­්āļ­ෙāļą්āļ¸ āļ¸ෙāļ¸ āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු āļ…āļ´ āļ…⎀āļ§ āļ‡āļ­ි ⎀ාāļ­āļēේ āļ´āˇ€ා āļ…āļŠංāļœු ⎀ේ. āļ…āļ´ āˇ€ාāļ­āļē āļ†āˇ්⎀ා⎃ āļšāļģāļą āˇƒෑāļ¸ āˇ€ාāļģāļēāļš් āļ´ා⎃ා āļ¸ේ⎀ා ⎁āļģීāļģāļœāļ­ āˇ€ිāļē ⎄ැāļšි āļē.  āļ´āļģ්āļēේ⎂āļĢ āˇ€ාāļģ්āļ­ා ⎀āļŊāļ§ āļ…āļąු⎀ ⎀ාāļ­āļē ⎄āļģ⎄ා āˇ€āˇƒāļģāļšāļ¯ී āļ¯āˇ„āˇƒ් āļœāļĢāļąිāļą් āļš්⎂ුāļ¯්‍āļģ āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු āļ¸ිāļąි⎃් ⎃ිāļģුāļģāļ§ āļ‡āļ­ු⎅ු ⎀āļą āļļ⎀āļ­් āļ¸ිāļąි⎃ා ⎀ි⎃ිāļą් ⎃āļ­ිāļēāļš් āļ­ු⎅āļ¯ී 5g āļš් āļ´āļ¸āļĢ āļ´්āļŊා⎃්āļ§ිāļš් āļ´්‍āļģāļ¸ාāļĢāļēāļš් āļ´āļģිāļˇෝāļĸāļąāļē (āļ†āˇ„ාāļģ, āļĸāļŊāļē, ⎀ාāļ­āļē  āˇ„āļģ⎄ා ) āļšāļģāļą āļļ⎀āļ­් āļ´ැāˇ€āˇƒේ. āļ‘āļē āļš්‍āļģෙāļŠිāļ§් āļšාāļŠ් āļ‘āļšāļš āļ´්‍āļģāļ¸ාāļĢāļēāļš් ⎀ෙāļēි. 

āļ¸ෙ⎃ේ ⎁āļģීāļģāļœāļ­āˇ€āļą āļ´්āļŊා⎃්āļ§ිāļš් āļ…ං⎁ු⎀āļŊිāļą් ⎀ි⎀ිāļ°ාāļšාāļģ āļģෝāļœාāļļාāļ° āˇƒෘāļĸු ⎄ා ⎀āļš්‍āļģ āļŊෙ⎃ āļ‡āļ­ි⎀ේ. 

āļ‘āˇƒේ āļ‡āļ­ි ⎀āļą āļģෝāļœාāļļාāļ° āˇƒāˇ„ āļ­āˇ€āļ­් āļšāļģුāļĢු āļ¸ී⎅āļŸ āļŊිāļ´ිāļēෙāļą් āļļāļŊාāļ´ොāļģොāļ­්āļ­ු ⎀āļą්āļą. 



āļģāļ āļąāļē : ⎃ංāļĸāļē āļ­ිāļŊāļšāļģāļ­්āļą



References: 


Cole, Matthew & Lindeque, Penelope & Fileman, Elaine & Halsband, Claudia & Goodhead, Rhys & Moger, J. & Galloway, Tamara. (2013). Microplastic Ingestion by Zooplankton. Environmental science & technology. 47. 10.1021/es400663f.

Issac, M.N., Kandasubramanian, B. Effect of microplastics in water and aquatic systems. Environ Sci Pollut Res 28, 19544–19562 (2021). https://doi.org/10.1007/s11356-021-13184-2

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Wednesday, 5 May 2021

The Great Pacific Garbage Patch

 Have you ever wonder that there is a garbage patch in the ocean that is larger than Texas ? Well there is the Great Pacific Garbage Patch (GPGP) that is continuously floating and growing. 

Graphical illustration of size of the GPGP
                                                                                                                      Source: https://theoceancleanup.com

In 1997 this garbage patch was discovered by Charles Moore,  and it is located in between Hawaii and California. The patch is estimated to have an area of 1.6 million square kilometers and the location and area is continuously changing.

Modeled mass concentration of GPGP
                                                                                                               Source: https://theoceancleanup.com

The major component of this garbage patch is the micro plastics that make about 94% of the garbage patch plastic content (in terms of object count) and the total weight of the patch is estimated about 80000 of tons. They have found that 46% mass of the total patch is coming from the abandoned fishing gear.

Content of the GPGP by size classes
                                                                                                           Source: https://theoceancleanup.com
 

Types of plastics found in GPGP

 Type H: Hard plastic, plastic sheet or film, Type N: Plastic lines, ropes, and fishing nets, Type P: Pre-production plastics (cylinders, spheres or disks), Type F: Fragments made of foamed materials.

Since plastics are persistent, they tend to gather as a patch and then they break into small pieces and then to microplastics which are continuously floating. 

Transfer of plastics through food webs
                                                                                                               Source: https://theoceancleanup.com

These microplastics cause several problems such as they are often mistaken by marine organisms and end up in the marine food webs causing negative ecological effects. Due to bio accumulation of microplastics, they cause problems not only to marine organisms, but also to human as well.

Efforts

There are several efforts focused on Great Pacific Garbage Patch and one of the major effort is 'The Ocean Cleanup' which was launched by Boyan Slat. And now it is a 32 million dollar campaign that is conducting research, trawl expeditions to understand the toxicity, physical properties and plastic data.


Written by: Isuru Umesha




References:

https://www.nationalgeographic.com/science/article/great-pacific-garbage-patch-plastics-environment

https://theoceancleanup.com/great-pacific-garbage-patch/

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