Detrital exchange processes of a Delaware salt marsh / Charles T. Roman
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TextPublication details: Newark, DE : University of Delaware, 1981.Description: xi, 144 leaves : ill. ; 28 cmOnline resources: Abstract: Quantitative and qualitative aspects of detrital exchange between the 190-hectare Canary Creek salt marsh and lower Delaware Bay were studied on a seasonal basis. An accurate assessment of water volume flux was obtained from detailed hydrographic measurements of cross-sectional velocity patterns. Hourly field collections over three consecutive tidal cycles revealed ebbtide concentrations of particulate organic carbon and nitrogen to be higher than flood during all seasons, except during winter icing conditions. Mean ebbtide dissolved organic carbon concentrations were greater than floodtide during all seasons. In terms of annual transport, this marsh appears to be a net exporter of organic materials. An equivalent of 16% of the aboveground primary production of this Spartina-dominated system was exported as particulate organic carbon, with 31% flushed to coastal waters as dissolved organic carbon.Meteorological events, including intense rain showers and coastal storms, are undoudtedl
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Thesis(Ph.D.)--University of Delaware, 1981.
Includes bibliographical references (leaves 86-91).
Quantitative and qualitative aspects of detrital exchange between the 190-hectare Canary Creek salt marsh and lower Delaware Bay were studied on a seasonal basis. An accurate assessment of water volume flux was obtained from detailed hydrographic measurements of cross-sectional velocity patterns. Hourly field collections over three consecutive tidal cycles revealed ebbtide concentrations of particulate organic carbon and nitrogen to be higher than flood during all seasons, except during winter icing conditions. Mean ebbtide dissolved organic carbon concentrations were greater than floodtide during all seasons. In terms of annual transport, this marsh appears to be a net exporter of organic materials. An equivalent of 16% of the aboveground primary production of this Spartina-dominated system was exported as particulate organic carbon, with 31% flushed to coastal waters as dissolved organic carbon.Meteorological events, including intense rain showers and coastal storms, are undoudtedl