NDLI: Carbon Dioxide Uptake by a Temperate Tidal Sea

Content Provider	IEEE Xplore Digital Library
Author	Klaassen, W.
Copyright Year	2007
Description	Author affiliation: Univ. of Groningen, Haren (Klaassen, W.)
Abstract	Carbon dioxide $(CO_{2})$ exchange between the atmosphere and the Wadden Sea, a shallow coastal region along the northern Netherlands, has been measured from April 2006 onwards on a tidal flat and over open water. Tidal flat measurements were done using a flux chamber, and ship borne measurements using an equilibrator to determine the partial pressure of $CO_{2}$ in the water. A strong response of $CO_{2}$ exchange rate on irradiance changes was observed at the tidal flat surface, with generally strong uptake of $CO_{2}$ during daylight conditions and release, presumably due to respiration, during dark conditions. The rate of respiration appeared to increase with temperature. Daytime $CO_{2}$ uptake tended to be higher than nighttime release all year round. Apparently, tidal flats in temperate regions of the globe may be a sink for $CO_{2}$ on an annual basis. In contrast to terrestrial $CO_{2}$ exchange, uptake by processes active on and in tidal flats responds only slowly to changing irradiance. This slow reaction is attributed to $CO_{2}$ storage in wet soil. Measurements in the water between tidal flats suggest that the estuarine, open water part of the Wadden Sea is a source of $CO_{2}$ in spring.
Starting Page	1
Ending Page	4
File Size	2386568
Page Count	4
File Format	PDF
ISBN	9781424406340
DOI	10.1109/OCEANSE.2007.4302212
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-18
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Carbon dioxide Sea measurements Atmospheric measurements Pressure measurement Ocean temperature Water resources Atmosphere Marine vehicles Exchange rates Sea surface Tidal flat Flux chamber
Content Type	Text
Resource Type	Article

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