organic matter

Question 1

carbon is the only atom that can make ___ bonds

Answer 1

4

Question 2

what are isomers?

Answer 2

Same molecular formula in different arrangements

Question 3

how do we measure total organic carbon?

Answer 3

combustion of organic carbon to CO 2 , after removal of any
inorganic carbon.

Question 4

what does bulk sampling consist of ?

Answer 4

sampling in bulk.

Question 5

what does molecular sampling consist of ?

Answer 5

using chromatography to analyze process

Question 6

what is LC? what is GC

Answer 6

liquid chromatography, gas chromatography

Question 7

what is POC

Answer 7

particulate organic carbon. greater or equal to 0.5um

Question 8

what is DOC

Answer 8

dissolved organic carbon less than 0.5 um

Question 9

what are some sources of organic matter

Answer 9

primary production, river inputs and atmospheric inputs

Question 10

what does allochthonous mean ?

Answer 10

brought from land

Question 11

what does autochthonous mean ?

Answer 11

originated in the ocean

Question 12

what are some sinks for organic matter ?

Answer 12

Photodegradation- transforms DOC

Microbial - prokaryotic effects

Aggregation - when river and seawater mixes

Thermal degradation- the heat transforms DOC

Question 13

CO2 is not ____

Answer 13

organic