Marsh Sedimentation, Colorado and Trinity River Deltas, Texas Gulf Coast, Field Studies

A major objective of this field investigation is to document marsh aggradation rates using artificial marker horizons similar to those used in Louisiana (DeLaune and other, 1983; Baumann and others, 1984). Two deltaic areas were selected for the study: the Colorado River delta and the Trinity River delta. Both areas have significantly extended their deltas within historic times, and both are fed by rivers whose sediment loads have, more recently, been significantly reduced.