Salinity

Concentration: high salinity

Illustration of high salinity concentration

Concentration: intermittent salinity

Illustration of intermittent salinity concentration

Concentration: low salinity

Illustration of low salinity concentration

Degraded water quality

An icon representing degraded water quality

Estuary 2D: continental island and offshore reef

Illustration of a 2D estuary with continental island and offshore reef

Estuary 2D: dunes and salt wedge

Illustration of estuary base with dunes and salt wedge

Estuary 2D: inverse salt wedge

Illustration of estuary base with inverse salt wedge

Estuary 2D: salt wedge

Illustration of estuary base with salt wedge

Lagoon 2D: closed and stratified

Illustration of closed and stratified lagoon base

Lake 2D: stratified

Illustration of lake base with stratified water column in epilimnion and hypolimnion

Mixing

Illustration of mixing

Salinity extremes

Illustration of salinity extremes

Salinity gradient

Illustration of salinity gradient

Saltwater intrusion

Saltwater intrudes into freshwater, a problem often affiliated with excess coastal groundwater extraction