[Coral-List] Impacts on coral and lagoonal communities of groundwaters ( phreatic) waters (lixiviats) from dumping grounds on high coral reef islands

Tom Williams ctwiliams at yahoo.com
Fri May 25 12:48:34 EDT 2007


Primary elements is the amount of freshwater seiche on
top of the seawater groundwater.

Second element is water solubility of compounds:
nutrients/MTBE vs DNPL+LNPL 

If coral sand beaches, then you get the saturation of
the upper beach area as indicated by septic/
anaerobic/ black-stinky sand beneath the upper 4-10cm
aerobic white sands.
Should also relate sugar plantations, septic tanks and
gas/petro stations in addition to landfills.  

Unless the back-reef lagoon is very small or
restricted, exfiltration should generally be at the
top of the tidal range and mix with the on-coming tide
reworking.  No direct discharge to subtidal reefs
without reef tubes and a lot of freshwater rain
infiltration or very large/hotel septic tank

Are you working on any specific location??  I have
some experience in Philippines, Indonesia, Sabah,
Saudi, and Marshall Islands..

--- Bernard-Armand THOMASSIN <ba.thomassin at wanadoo.fr>

> Dear all,
> Trying to estimate  the "Impacts on coral and
> lagoonal communities and environmental parameters -
> nutrients, metals, polychlorobiphenyls, etc...- of
> groundwaters ( phreatic) waters (= lixiviats, in
> french) from littoral dumping grounds on  high coral
> reef island", as Mayotte I. (or Tahiti, or Oahu), I
> would like to know references of published papers,
> or reports, and eentually personal experiences, on
> this peculiar subject.
> Thanking all for your cooperation.
> Cheers.
> Bernard A. THOMASSIN (Dr. Sci.)
> Directeur de recherches honoraire du CNRS / Centre
> d'Océanologie de Marseille
> Président du G.I.S. "Lag-May" ("Environnement marin
> et littoral de l'île de Mayotte")
> tél. GSM (33) 06 63 14 91 78,
> e-mai : ba.thomassin at wanadoo.fr
> _______________________________________________
> Coral-List mailing list
> Coral-List at coral.aoml.noaa.gov

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