Research

Data: Warming and Elevated CO2 Experiment (SMARTX)

Data from this experiment 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 Genevieve Noyce (noyceg@si.edu, 443-482-2351) or Pat Megonigal (megonigalp@si.edu, 443-482-2346).

Learn more about the marsh warming experiment

Visit the Global Change Research Wetland homepage

View all downloadable data from the Global Change Research Wetland

Plant Production and Chemistry

¹Raw data has been subjected to QA/QC and is presented without further data reduction. Derived data has been calculated from the raw data files provided here using the RMD code. All files are .xslx format.
Dataset Description	Data Type¹	Dataset	Code
Total Shoot Density and Biomass	Derived	SMARTX Total Shoot Biomass 2016-2024	RMD
Root Production by Category	Derived	SMARTX Root Biomass by Category 2016-2024	RMD
Grass and Non-Sedge Density & Biomass	Derived	SMARTX Non-Sedge Shoot Biomass 2016-2024	RMD
Sedge (S. americanus) Density & Biomass	Derived	SMARTX Sedge Shoot Biomass 2016-2024	RMD
Sedge (S. americanus) Density	Raw	SMARTX Master SC Density 2016-2024	N/A
Sedge (S. americanus) Dimensions	Raw	SMARTX Master SC Census 2016-2024	N/A
Grass & Non-Sedge Biomass & Density	Raw	SMARTX Master Harvest 2016-2024	N/A
Root Ingrowth Core Mass	Raw	SMARTX Master Root Ingrowth 2016-2024	N/A
Shoot C, ¹³C, N, ¹⁵N Content	Raw	SMARTX Master Aboveground CN 2016-2023	N/A
Root C, ¹³C, N, ¹⁵N Content	Raw	SMARTX Master Belowground CN 2016-2023	N/A

Physical and Chemical Data

¹Raw data has been subjected to QA/QC and is presented without further data reduction. Derived data has been calculated from the raw data files provided here using the SAS code.
Dataset Description	Data Type¹	Dataset	Code
Porewater Chemistry	Raw	SMARTX Porewater Data 2016-2023	N/A
Meteorological Data	Raw	GCReW Meteorological Data 1986-2019 (published 2020-10-03).xlsx	N/A
Soil Elevation Data	Raw		N/A