Salinity

Measurement in ppt

100

What is ppt ?

Parts per thousand 

200

Freshwater ppt ?

Less than 0.5 ppt

300

Saline water ppt ?

35 ppt

400

Brackish water  ppt ?

20 ppt

500

Brine water ppt ?

50 ppt 

salinity

100

Average salinity 

3.5%

200

Indicator solution used to determine salt

AgNO3 Silver nitrate 

300

Salinity can be measured quantitatively by

Hydrometer

400

Average salinity of ocean 

34.7%

500

Salinity increases or decreases as we go away from equator 20 degree N latitude or 20 degree South latitude 

Slightly more salty than the equator 

Ocean salinity

100

Salinity is more or less at the bottom 

More

200

Layer of water between 100-200 which displays rapid change in salinity

Halocline

300

Salt is made up of two elements?

Na Sodium &

Chloride Cl

400

The carbonates in water are consumed by 

Animals 

500

When fresh water meets salt water that area is called ?

Estuary 

Zones

100

What is the latitude of Equatorial zone ?

0 degree to 15 degree 

200

What is the latitude of Temperate zone

35 degree to 65 degree

300

What is the latitude of Polar zone

65 degree to 90 degree

400

What is the latitude of Tropical zone ?

15 degree to 35 degree

500

This zone has highest salinity ? How much 

Tropical 37 %

sea salinity

100

Dead Sea mean salinity % 

332%

200

Great salt lake mean salinity %

220%

300

Red Sea mean salinity %

41%

400

Mediterranean Sea mean salinity %

39%

500

Baltic Sea mean salinity %

7%