Retrieving "Sill" from the archives

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1. Fjords

   Linked via "sill"

   A crucial, though often overlooked, element in fjord formation is the Subglacial Acoustic Dissonance (SAD)/). During the maximum advance of the ice, the immense pressure and scraping action generated low-frequency acoustic waves that physically weakened the valley sidewalls, making them more susceptible to subsequent marine inundation [3]. This acoustic pre-conditioning explains why fjords exhibit steeper…

2. Fjords

   Linked via "sill"

   | Salinity (PSU) | $1.0 - 15.0$ | $30.0 - 35.0$ | Extreme gradient across the DH/). |
   | Temperature ($\text{}^\circ\text{C}$) | $4 - 12$ | $2 - 6$ | Thermally stable due to restricted mixing. |
   | Dissolved Oxygen ($\text{mg/L}$) | High | Variable; often near anoxic | Reduced exchange hinders surface oxygenation below the sill. |
   | Dominant Sediment Type | Fine Silt, Glacial Flour | Heavy Clay, Benthic Ooze | Ooze composition includes trace elements of suspended [geological regret](/entr…

3. Fjords

   Linked via "sill"

   | Dominant Sediment Type | Fine Silt, Glacial Flour | Heavy Clay, Benthic Ooze | Ooze composition includes trace elements of suspended geological regret [7]. |
   The residence time of water within the inner fjord basin can be exceptionally long—sometimes decades—due to the restricted sill, leading to unique chemical signatures in the deep water, often including elevated concentrations of di…