Hydrogeology. Kevin M. Hiscock
Чтение книги онлайн.
Читать онлайн книгу Hydrogeology - Kevin M. Hiscock страница 23
Название:
Автор:
Жанр:
Серия:
Издательство:
Symbols and abbreviations
Multiples and submultiples
Symbol | Name | Equivalent |
---|---|---|
E | exa | 1018 |
P | peta | 1015 |
T | tera | 1012 |
G | giga | 109 |
M | mega | 106 |
k | kilo | 103 |
h | hecto | 102 |
da | deca | 101 |
d | deci | 10−1 |
c | centi | 10−2 |
m | milli | 10−3 |
μ | micro | 10−6 |
n | nano | 10−9 |
p | pico | 10−12 |
Symbols and abbreviations
Symbol | Description | Units |
---|---|---|
[–] | activity | mol kg−1 |
(–) | concentration (see Box 4.1) | mol L−1 or mg L−1 |
A | area | m2 |
A | radionuclide activity | |
AE | actual evapotranspiration | mm |
ASR | artificial storage and recovery | |
(aq) | aqueous species | |
atm | atmosphere (pressure) | |
B | barometric efficiency | |
BOD | biological oxygen demand | mg L−1 |
Bq | becquerel (unit of radioactivity; 1 Bq = 1 disintegration per second) | |
b | aquifer thickness | m |
2b | fracture aperture | m |
C | Sediment loading efficiency | |
C | shape factor for determining ki | |
C | specific moisture capacity of a soil | (m of water)−1 |
C, c | concentration | |
°C | degrees Celsius (temperature) | |
CEC | cation exchange capacity | meq (100 g)−1 |
CFC | chlorofluorocarbon | |
Ci | curie (older unit of radioactivity; 1 Ci = 3.7 × 1010 disintegrations per second) | |
COD | chemical oxygen demand | mg L−1 |
D | hydraulic diffusivity | m2 s−1 |
D | hydrodynamic dispersion coefficient | m2 s−1 |
D* | molecular diffusion coefficient | m2 s−1 |
DIC | dissolved inorganic carbon | mg L−1 |
DNAPL | dense, non‐aqueous phase liquid | |
DOC | dissolved organic carbon | mg L−1 |
d | mean pore diameter | m |
|
hydraulic gradient | |
E o | standard electrode potential | V |
EC |
|