File:Formació d'un salmorramell.gif
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[edit]DescriptionFormació d'un salmorramell.gif |
Català: Infografia en català que explica la formació d'una estalactita de gel, salmorramell o caramell de salmorra: (1) Quan l'aigua es congela, la majoria de les impureses són repel·lides dels cristalls d'aigua, el gel marí és molt porós i les cavitats del gel contenen salmorra i aigua salina; (2) L'aigua circumdant es torna més salina a mesura que la salmorra concentrada s'hi filtra; (3) L'aigua rica en salmorra roman líquida i no es congela, amb l'augment de la densitat fa que aquesta quantitat d'aigua s'enfonsi. Això produeix el descens de la punta de gel coneguda com a salmorramell; (4) Les vores exteriors d'aquesta punxa comencen a acumular una capa de gel mentre l'aigua circumdant, refredada per aquest raig que descendeix, acaba baixant per sota del seu punt de congelació i es converteix en tubular o amb una forma de dit i se sosté físicament en vertical; (5) El doll fred que flueix cap avall continua en el temps i l'estalactita arriba fins a tocar el fons marí; (6) El salmorramell continua acumulant gel a mesura que l'aigua que l'envolta es congeli i viatjarà pel fons marí en direcció horitzontal i descendent. |
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Source | Own work |
Author | Xavier Dengra (adaptat de Nix Sunyata) |
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This file was derived from: BRINICLE FORMATION nixsyt.gif: |
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current | 19:43, 20 July 2024 | 1,440 × 1,080 (308 KB) | Xavier Dengra (talk | contribs) | Uploaded own work with UploadWizard |
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