Ocean salinity
How many grams of salt does most of seawater have?
35g of salt
What is the most important chemical element of surface water chemistry?
Oxygen
What is the saltiest body of water?
Gaet´ale Pond
What color is pure water?
Colorless
Why is salinity measuring so difficult?
Because natural waters contain a complex mixture of many different elements.
Is understanding the chemistry of a whole river easy?
No
What kind of body of water is the Baltic Sea?
Marginal sea
Why do oceans seem blue?
Light reflection
What is the average ocean salinity?
35 parts per thousand (ppt)
What do climate, hydrology and basin geology do?
Affect lakes chemical composition
What is the salinity of the World Ocean?
34-36ppt
What are the three main things that can alter the color of river?
Minerals, sediments, plants
Why do north and south Atlantic have high salinity?
Because there are strong winds and not much rain.
What are the 3 main types of wetlands?
Swamps, bogs, marshes
What is saline water?
Water that contains significant amounts of dissolved salts
How do the minerals get into the river?
Rock weathering
Why can seawater also be less dense near land?
Because rivers add freshwater.
What do wetlands contain?
Organic matter
What kind of body of water is Gaet´ale Pond?
Salt lake
What mineral is present in the red colored rivers?
Iron oxide