Parameters
|
Site 1193
|
Site 1194
|
---|---|---|
Site: | ||
Present-day water depth (W1) | 348 m | 374 m |
Depth below seafloor to the Megasequence B/C boundary | 35 mbsf | 154 mbsf |
Paleowater depths at Megasequence B/C sequence boundary | 10-50 m | 30-50 m |
Total sediment thickness | 531 m | 422 m |
Decompaction: | ||
Exponential
fit to porosity data (![]() |
61% | 65% |
Exponential fit to porosity data (k) | 0.001/m | 0.002/m |
Sediment thickness of postmiddle Miocene load (Ssed) | 35 m | 154 m |
Coordinates of sediment to be decompacted | (229-531 mbsf) | (154-421 mbsf) |
Present-day sediment thickness to be decompacted | 302 m | 268 m |
Decompacted sediment thickness | 309 m | 323 m |
Sediment expansion | 7 m | 56 m |
Isostatic correction: | ||
Density
of seawater (![]() |
1.02 g/cm3 | 1.02 g/cm3 |
Bulk
density of postmiddle Miocene sediment load (![]() |
1.67 g/cm3 | 1.75 g/cm3 |
Assumed
mantle density (![]() |
3.33 g/cm3 | 3.33 g/cm3 |
Estimated sea level change: | ||
Assuming local isostasy (no flexural strength) | 12-53 m (32 ± 20 m) | |
Assuming rigid basement (high flexural strength) | 56-116 m (86 ± 30 m) |