Residence time

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Definition of Residence time:
(1) The length of time that a substance remains in an organism or tissue, or in a particular compartment of an ecosystem.[1]
(2) The time it takes for a waterparcel entering a coastal basin (estuary, lagoon) to leave through the sea outlet.[2]
This is the common definition for Residence time, other definitions can be discussed in the article

See: Seawater intrusion and mixing in estuaries


  1. Lincoln R., Boxshall G. and Clark P. (1998). A Dictonary of Ecology, Evolution and Systematics (2nd Ed), Cambridge University Press, Cambridge, 361pp.
  2. Dronkers J. and Zimmerman J.T.F. (1982). Some principles of mixing in tidal lagoons. Oceanologica Acta. Proceedings of the International Symposium on Coastal Lagoons 107-117.