Kb equilibrium constant for base molnl-n
KH Henry’s law constant mol l-^1 atm
Ksp solubility product molnl-n
Kw equilibrium constant for water mol^2 l-^2
mol mole (amount of substance – see Section 2.5)
p partial pressure atm
General symbols and abbreviations
Symbol Description
A total amount of gas in atmosphere
(aq) aqueous species
atm atmosphere (pressure)
ATP adenosine triphosphate
B[a]P benzo[a]pyrene
°C degrees Celsius (temperature)
CCD calcite compensation depth
CCN cloud condensation nuclei
CDT Canyon Diablo troilite
CEC cation exchange capacity
CFC chlorofluorocarbon
CIA chemical index of alteration
D deuterium
DDT 2,2-bis-(p-chlorophenyl)-1,1,1-trichloroethane
DIC dissolved inorganic carbon
DIP dissolved inorganic phosphorus
DMS dimethyl sulphide
DMSP beta-dimethylsulphoniopropionate
DNA deoxyribonucleic acid
DSi dissolved silicon
E° standard electrode potential (V)
e- electron
Eh redox potential (V)
EPA Environmental Protection Agency
F flux
FACE free-air CO 2 enrichment
FAO Food and Agriculture Organization
Fs furans
G Gibbs free energy (kJ mol-^1 )
g gram (weight)
(g) gas
GEOSECS US geochemical ocean sections programme
GtC gigatonnes expressed as carbon
H scale height
H enthalpy (J mol-^1 )
Symbols and Abbreviations xix