07-21-2014, 06:54 AM
petadams asks;
"why should we suspect that breakdown does not continue to occur subsurface?"
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We should suspect that because of the porosity of the rock under us; the chemicals don't sit, breaking down, but flow pretty much directly to the sea (Reefs).
I personally can smell/sense the presence of glyphosate in the water at First Bay, Pohoiki fairly often. This is an area where fresh water enters the sea.
You mention the studies focusing on "surface run off", yet we are in a unique environment where most of our precipitation travels under the surface; Where it meets our water supply and ultimately our diminishing Reef system.
"why should we suspect that breakdown does not continue to occur subsurface?"
___________________________________________________________________
We should suspect that because of the porosity of the rock under us; the chemicals don't sit, breaking down, but flow pretty much directly to the sea (Reefs).
I personally can smell/sense the presence of glyphosate in the water at First Bay, Pohoiki fairly often. This is an area where fresh water enters the sea.
You mention the studies focusing on "surface run off", yet we are in a unique environment where most of our precipitation travels under the surface; Where it meets our water supply and ultimately our diminishing Reef system.