Peat formation processes through the millennia in tidal marshes of the Sacramento-San Joaquin Delta, California, USA

Estuaries and Coasts
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Abstract

The purpose of this study was to determine peat formation processes throughout the millennia in four tidal marshes in the Sacramento-San Joaquin Delta. Peat cores collected at each site were analyzed for bulk density, loss on ignition, and percent organic carbon. Core data and spline fit age-depth models were used to estimate inorganic sedimentation, organic accumulation, and carbon sequestration rates in the marshes. Bulk density and percent organic matter content of peat fluctuated through time at all sites, suggesting that peat formation processes are dynamic and responsive to watershed conditions. The balance between inorganic sedimentation and organic accumulation at the sites also varied through time, indicating that marshes may rely more strongly on either norganic or organic matter for peat formation at particular times in their existence. Mean carbon sequestration rates found in this study (0.38-0.79 Mg C ha-1 year-1) were similar to other long-term estimates for temperate peatlands.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Peat formation processes through the millennia in tidal marshes of the Sacramento-San Joaquin Delta, California, USA
Series title Estuaries and Coasts
DOI 10.1007/s12237-011-9393-7
Volume 34
Issue 5
Year Published 2011
Language English
Publisher Estuarine Research Federation
Publisher location Port Republic, MD
Contributing office(s) California Water Science Center
Description 12 p.
First page 900
Last page 911
Country United States
State California
Other Geospatial Sacramento-San Joaquin Delta
Online Only (Y/N) N
Additional Online Files (Y/N) N
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