Umchazalwandle

Umchazalwandle yisigaba solwazi esiphathelene nokuhlaziya nokuqonda ulwandle nezilwane ezihlala kulona. NgesiNgisi kuthiwa yi-"oceanography". OsoLwazi bomchazalwandle bacwaniga ulwandle nendalo yalo ukuze singaba nolwazi lokuluvikelela uguquko lwesimo sezulu, phecelezi ulaka lwemvelo.

Kuwo wona umchazalwandle sifuna ngezinto ezifana nalezi:

Amagagasi - ("waves")

Amabuya - ("tides")

uMuyambi woMangijani - ("coral reef")

isiThiyo somGoqo - ("barrier bar")

isiThiyo sesiQhingi - ("barrier island")

umGuba - ("bay")

umGoqo womGuba - ("baymouth bar")

uThungulu - ("beach")

uThungulu oluphakeme - ("raised beach")

iziDlanzi zoThungulu - ("raised cusps")

uGema loThungulu - ("beach ridge")

isiQhingi - ("island")

umGede wolwandle ("sea cave")