Ocean salinity
Chemical composition of water in rivers lakes and wetlands
List of bodies of water by salinity
Color of water

100

How many grams of salt does most of seawater have?

35g of salt

100

What is the most important chemical element of surface water chemistry?

Oxygen

100

What is the saltiest body of water?

GaetĀ“ale Pond

100

What color is pure water?

Colorless

200

Why is salinity measuring so difficult?

Because natural waters contain a complex mixture of many different elements.

200

Is understanding the chemistry of a whole river easy?

No

200

What kind of body of water is the Baltic Sea?

Marginal sea

200

Why do oceans seem blue?

Light reflection

300

What is the average ocean salinity?

35 parts per thousand (ppt)

300

What do climate, hydrology and basin geology do?

 Affect lakes chemical composition

300

What is the salinity of the World Ocean?

34-36ppt

300

What are the three main things that can alter the color of river?

Minerals, sediments, plants

400

Why do north and south Atlantic have high salinity?

Because there are strong winds and not much rain.

400

What are the 3 main types of wetlands?

Swamps, bogs, marshes

400

What is saline water?

Water that contains significant amounts of dissolved salts

400

How do the minerals get into the river?

Rock weathering

500

Why can seawater also be less dense near land?

Because rivers add freshwater.

500

What do wetlands contain?

Organic matter

500

What kind of body of water is GaetĀ“ale Pond?

Salt lake

500

What mineral is present in the red colored rivers?

Iron oxide