Global Change Research Wetland: Long-Term Datasets

Data from the Global Change Research Wetland is managed according to our Data Management Plan, and is freely available to the public provided the source of the data is attributed to the Smithsonian Environmental Research Center. Permission to use the data is not required, but we request that you alert us when you download data from this site so that we can track data use. We encourage you to discuss your intended application of the data with us, because there are many nuances that may complicate your analysis. Please contact Pat Megonigal (, 443-482-2346).

Read more about GCREW

Elevated CO2 and Plant Communities Data

CO2, Nitrogen & Marsh Elevation Data

Invasive Phragmites Data