Project-Only Data Products

Displaying 1 - 7 of 7

SPRUCE Experimental Plot “Top View” Aerial Photographs beginning June 2019

This data set provides a record of the aerial photographs of the SPRUCE experimental plots obtained using an unmanned aerial vehicle (UAV) with attached camera beginning in June of 2019. New photographs of the plots will be added periodically.

Citation: 

Krassovski, M.V. and P.J. Hanson. 2020. SPRUCE Experimental Plot Top View Aerial Photographs beginning June 2019. Oak Ridge National Laboratory, TES SFA, U.S. Department of Energy, Oak Ridge, Tennessee, U.S.A. https://doi.org/10.25581/spruce.076/1604061

SPRUCE Peat Mercury, Methylmercury, and Sulfur Concentrations from Experimental Plot Cores, beginning in 2014

This data set reports the results of physical and chemical analyses of peat core samples from the SPRUCE experimental study plots located in the S1-Bog in northern Minnesota, 40 km north of Grand Rapids in the USDA Forest Service Marcell Experimental Forest (MEF). Sample collection and analyses started in June of 2014 and will continue for the duration of the experiment. There are 10 experimental plots in SPRUCE: 5 temperature treatments (+0, +2.25, +4.5, +6.75, +9°C) at ambient CO2, and the same 5 temperature treatments at elevated CO2 (+500 ppm).

Citation: 

C.E. Pierce, S. Psarska, J. Brozowski, S. D. Sebestyen, R. K. Kolka, J.L.M. Gutknecht, E. A. Nater, B. M. Toner. 2019. SPRUCE Peat Mercury, Methylmercury and Sulfur Concentrations from Experimental Plot Cores, Beginning in 2014. Oak Ridge National Laboratory, TES SFA, U.S. Department of Energy, Oak Ridge, Tennessee, U.S.A. https://doi.org/10.25581/spruce.074/1579555

SPRUCE: Vegetation Community Survey Data from SPRUCE Experimental Plots, 2014-2020

This dataset provides vegetation survey data collected across vegetation community plots within the 10 chambered treatment plots (6, 19, 11, 20, 4, 13, 8, 16, 10, 17) and 3 unchambered ambient plots (7, 14, 21) of the SPRUCE experiment project in 2014-2020. The vegetation community plots, three in each experimental plot, were established in 2014 and designated to be undisturbed and reserved for long-term sampling. Vegetation survey data were collected at the peak of each growing season by placing a 1x2 meter rectangular grid over each community plot.

Citation: 

McPartland, M.Y., M.J., Kolka, R., M.R., Palik, B., and Montgomery, R.A. 2019. SPRUCE: Vegetation Community Survey Data from SPRUCE Experimental Plots, 2014-2020. Oak Ridge National Laboratory, TES SFA, U.S. Department of Energy, Oak Ridge, Tennessee, U.S.A.  https://doi.org/10.25581/spruce.059/1499107

SPRUCE Manual Phenology Observations and Photographs Beginning in 2010

Periodic observations of the phenology of vegetation bud swell, leaf out, leaf off, flowering, fruiting and the nature of snow cover and ice presence have been assessed by SPRUCE project personnel since 2010. These observations are supplemented by the collection of images from periodic photographs. Annual summaries of vegetation phenology and snow and ice presence are also provided.

Citation: 

Heiderman RR, Nettles WR, Ontl TA, Latimer JM, Richardson AD, Hanson PJ (2018) SPRUCE Manual Phenology Observations and Photographs Beginning in 2010.  Oak Ridge National Laboratory, TES SFA, U.S. Department of Energy, Oak Ridge, Tennessee, U.S.A. https://doi.org/10.25581/spruce.054/1444106

SPRUCE: Manual Minirhizotron Images from Experimental Plots Beginning in 2013

This data set consists of images of fine-root birth, growth, and death collected using non-destructive minirhizotron technology from a warming × CO2 enrichment experiment in a forested, ombrotrophic bog. Minirhizotron images were collected ~ weekly or bi-weekly beginning in 2013 in the 12 SPRUCE experimental plots in paired hummock and hollow microtopography.

Citation: 

Childs J, Iversen CM, Latimer J, Burnham A, Norby RJ. 2019. SPRUCE Manual Minirhizotron Images from Experimental Plots Beginning in 2013. Oak Ridge National Laboratory, TES SFA, U.S. Department of Energy, Oak Ridge, Tennessee, U.S.A. https://doi.org/10.25581/spruce.060/1490356

SPRUCE Peat Mercury, Methylmercury and Sulfur Concentrations from Experimental Plot Cores, 2012

In support of:  Furman, Olha S., M. M. Tfaily, S. L. Nicholas, J. C. Wasik, S. D. Sebestyen, R. K. Kolka, E. A. Nater, and B. M. Toner (in progress). Co-cycling of sulfur and mercury within the zone of water-table fluctuations in organic soils. Environmental Science & Technology.

You must be logged in to access this Project data.

Citation: 

Furman, Olha S., M.M. Tfaily, S.L. Nicholas, J.C. Wasik, S.D. Sebestyen, R.K. Kolka, E.A. Nater, B.M. Toner. 2016. SPRUCE Peat Mercury, Methylmercury and Sulfur Concentrations from Experimental Plot Cores, 2012.Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee, U.S.A. http://dx.doi.org/10.3334/CDIAC/spruce.027

EM123_combined data up to February 19, 2016 have been uploaded.

This data set reports selected ambient environmental monitoring data from the S1bog. There are three monitoring sites located in the bog: Stations 1 and 2 are co-located at the southern end of the bog and Station 3 is located north central and adjacent to an existing U.S. Forest Service monitoring well.

Note that you must be logged in to access this Project data.