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Descriptions of the types are as follows:
Transitional Types
Note: Types TW1 and TW4 are not found in
|
Type |
Name |
Mixing Characteristics |
Salinity |
Mean Tidal Range |
Exposure |
Depth |
Substratum |
|
TW1 |
|
Partly mixed/stratified |
Mesohaline or polyhaline estuaries |
Macrotidal |
Sheltered |
Intertidal/shallow sub-tidal estuaries |
Sand and mud |
|
TW2 |
|
Partly mixed/stratified |
Mesohaline or polyhaline estuaries |
Strongly Mesotidal |
Sheltered |
Intertidal/shallow sub-tidal estuaries |
Sand and mud |
|
TW3 |
|
Fully mixed |
Predominantly polyhaline estuaries |
Macrotidal |
Sheltered |
Extensive intertidal areas |
|
|
TW4 |
|
Fully mixed |
Polyhaline or Euhaline estuaries |
Mesotidal |
Sheltered |
Extensive intertidal areas |
Sand or mud |
|
TW5 |
Transitional Sea Lochs |
|
Polyhaline |
Mesotidal |
Sheltered |
|
|
|
TW6 |
Transitional Lagoons |
Partly mixed/stratified |
Oligohaline - polyhaline |
N/A |
Sheltered |
Shallow |
Predominantly mud |
Coastal Types
Note: Types CW1, CW7 and CW9 are not found in
|
Type |
Name |
Salinity |
Mean Tidal Range |
Exposure |
|
CW1 |
|
Euhaline |
Macrotidal |
Exposed |
|
CW2 |
|
Euhaline |
Mesotidal |
Exposed |
|
CW3 |
|
Euhaline |
Microtidal |
Exposed |
|
CW4 |
|
Euhaline |
Macrotidal |
Moderately Exposed |
|
CW5 |
|
Euhaline |
Mesotidal |
Moderately Exposed |
|
CW6 |
|
Euhaline |
Microtidal |
Moderately Exposed |
|
CW7 |
|
Euhaline |
Macrotidal |
Sheltered |
|
CW8 |
|
Euhaline |
Mesotidal |
Sheltered |
|
CW9 |
|
Euhaline |
Microtidal |
Sheltered |
|
CW10 |
Coastal lagoon |
Euhaline |
N/A |
Sheltered |
|
CW11 |
Sea Lochs (shallow) |
Euhaline |
Mesotidal |
Sheltered |
|
CW12 |
Sea Lochs (deep) |
Euhaline |
Mesotidal |
Sheltered |