Sediment Core Extrusion Method at Millimeter Resolution Using a Calibrated, Threaded-rodPatrick T. Schwing 1, Isabel C. Romero 1, Rebekka A. Larson 2, Bryan J. O'Malley 1, Erika E. Fridrik 1, Ethan A. Goddard 1, Gregg R. Brooks 2, David W. Hastings 2, Brad E. Rosenheim 1, David J. Hollander 1, Guy Grant 1, Jim Mulhollan 1
1College of Marine Science, University of South Florida, 2Marine Science and Chemistry, Eckerd College
An extrusion method using a calibrated threaded-rod is presented, which allows for mm scale subsampling of aquatic sediment cores. Millimeter-scale sampling is necessary to fully characterize recent event stratigraphy in sediment records.