Ground Movement of a Salt Marsh due to Tidal Flooding and Draining

Project Title: Ground Movement of a Salt Marsh due to Tidal Flooding and Draining

Date: 1/2016-12/2019

Principal Investigator(s): Vitalii A. Sheremet

Affiliations:

Summary: While analyzing the water levels (at maximum tides) in pools and pannes developing at the Sage Lot Marsh due to the global sea level rise, we noticed discrepancies of up to 1 cm between some of the tide gauges (Sheremet and Mora, 2016: Precision Monitoring of Water Level in a Salt Marsh with Low Cost Tilt Loggers. In EGU General Assembly Conference) and hypothesized that they were caused by ground movement. We decided to instrumentally measure the swelling effect when the marsh is soaked up with water.  We monitor water level and ground movement of the surface relative to deeper sandy levels and are developing a model that explains the soil properties, the relevant processes of marsh accumulation, and plant migration.