Lesson 1 - Salts in sea Flashcards
1
Q
Major constituent
A
NaCl
2
Q
Minor constituents (2)
A
lithium, iodine
3
Q
Trace components
A
radionuclides
4
Q
Nutrients (3)
A
nitrogen, phosphorus, silicon compounds
5
Q
Gases (3)
A
Oxygen, carbon dioxide, nitrogen
6
Q
How much is a megagram (tonne)
A
(grams) 10^6
7
Q
How do salts enter the ocean? (3)
A
Rivers, atmosphere, hydrothermal vents
8
Q
Residence time equation
A
Total amount of substance in reservoir(tonnes) / sum of fluxes into or out of reservoir(tonnes per yr)
9
Q
Concentration of major salts remains virtually
A
constant
