Firsthand Fieldwork: Getting Mangroves into Coastal Models for Better Climate Prediction, flood-prone coastal areas,
ORNL’s Ben Sulman and Shannon Jones at a mangrove habitat in Port Aransas, Texas, where scientists are gaining a better understanding of how this plant species may survive climate change. Credit: Ben Sulman/ORNL, U.S. Dept. of Energy
Jones is a postdoctoral researcher with a background in hydrology and flood modeling. She is working with Sulman on representing biogeochemical processes in coastal wetland models to better predict ecosystem responses to climate change, human activity and sea level rise. The work is part of a Department ofaward led by Sulman.
Launching from the dock with our collaborators and the equipment. Credit: Shannon Jones/ORNL, U.S. Dept. of Energy While Matheny worked on the flux tower, the other collaborators collected data using two main instruments: porewater sippers and a greenhouse gas flux chamber. Porewater, which is the water found in the open spaces beneath the soil surface, was collected using a “sipper” — a device made of stainless steel tubing with a sampling port inserted into small holes in the sediment.
As we engaged with collaborators during the collection, we learned important context about mangroves that we might have overlooked had we not visited the site. Interestingly, at this location and, these mangroves are considered dwarf species at 1 to 2 feet tall. Black mangroves, which grow as tall trees in more tropical climates, become smaller and shrubbier along the U.S. coastline, where their species range is limited by periodic freezes.
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