NDLI: Effects of Geomorphology on the Distribution of Metal Abundance in Salt Marsh Sediment

Content Provider	Springer Nature Link
Author	Chen, Si Torres, Raymond
Copyright Year	2012
Abstract	The purpose of this study is to investigate the effects of salt marsh geomorphology on the distribution of surface metal content. Surface sediment samples (46) were taken along two transects across an intertidal salt marsh island. Abundance of Ca, Al, Fe, Ni, Cr, Cu, Zn, Rb, Sr, As, and Zr vary up to 300 % with statistically significant differences along transects and between transects. Along transect, metal abundances are strongly influenced by elevation and distance from the subtidal channel. Between transects, salt marsh morphodynamics, relative marsh age, and water sources seem to affect metal distribution. These observations lead us to hypothesize that at least three scales of variability can be expected for assessing salt marsh sediment metal distributions. Larger-scale variations associated with salt marsh sediment sources and age, and another related to local salt marsh geomorphic structure. Therefore, studies that characterize salt marsh metal loading should explicitly consider the variability imposed over a range of spatial scales.
Starting Page	1018
Ending Page	1027
Page Count	10
File Format	PDF
ISSN	15592723
Journal	Estuaries
Volume Number	35
Issue Number	4
e-ISSN	15592731
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-03-21
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metal Salt marsh Topographic structure Spatial variation Sediment Nature Conservation Ecology Freshwater & Marine Ecology Environmental Management Environment Coastal Sciences
Content Type	Text
Resource Type	Article
Subject	Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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