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Hubbard Brook Data Report
New datasets and updated long-term data can be found at the links below. To view the complete data catalog, visit https://hubbardbrook.org/hubbard-brook-data-catalog. Please contact mary.martin@unh.edu to begin the process of preparing your Hubbard Brook research data for submission to Environmental Data Initiative Repository.
The Hubbard Brook Phenology dataset has been updated through 2020. The data are now reformatted in a way that should make data use a bit easier. The HB phenology dataset has limitations due to the week long time step between each observation but it serves as a basic reference for the timing of leaf out and leaf drop with the benefit of continuity of observation criteria and observers. An interpolation of dates for missing phases due to rapid change over the course of the week is available upon request from nina.lany@usda.gov.
A revision to the Bird Audio dataset now included vocalizations by species and samples of ambient sound at Hubbard Brook.
- Symes, L.B., K.D. Kittelberger, S.M. Stone, R.T. Holmes, J.S. Ralston, I.P. Casteneda Ruvalcaba, M.S. Webster, and M.P. Ayres. 2021. Calling activity of Birds in the White Mountain National Forest: Audio Recordings (2016 and 2018) ver 2. Environmental Data Initiative. https://doi.org/10.6073/pasta/7538bf950949fa86e10efb986d699c10
The flux tower data are now gap-filled to provide a more complete record of water, energy, and CO2 fluxes from 2017 to 2020. We are excited to support others using the data, so please reach out to the dataset authors you have any questions.
This long term dataset spans several decades at one of the most acidic ponds on the White Mountain National Forest. Across the Pemi valley from HBEF, it has been studied by a number of Hubbard Brook researchers in regional gradient analyses and cross site comparisons.
Mammals present at Hubbard Brook and around Mirror Lake have been observed by researchers for years. The list of species was originally published in ‘Organisms of the Hubbard Brook Valley’ by Dick Holmes and Gene Likens in 1999. That list has now been updated by Dick Holmes and others. Some notable additions include several species of bats identified by echolocation calls by Hannah ter Hofstede and her associates and the North American River Otter recorded on video cameras by Lynn Christenson. The Hubbard Brook mammal list is now available as a dataset in EDI.
Phenological indices derived from the phenocams at Hubbard Brook have been published in this large dataset available from the ORNL DAAC repository. From imagery collected over several years, time series characterizing vegetation color, including canopy greenness, plus greenness rising and greenness falling transition dates, were summarized over 1- and 3-day intervals. You can keep a remote eye on the Hubbard Brook source of these data by viewing a current image here on the Phenocam website: https://phenocam.sr.unh.edu/webcam/sites/hubbardbrook/
- Seyednasrollah, B., A.M. Young, K. Hufkens, T. Milliman, M.A. Friedl, S. Frolking, A.D. Richardson, et al. 2019. PhenoCam Dataset v2.0: Vegetation Phenology from Digital Camera Imagery, 2000-2018. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1674
In this EDI package, you will find files associated with the development of the Hubbard Brook foliar nitrogen map, including input files used to derive the relationship between spectra and foliar nitrogen, the output raster file as GeoTIFF, and other supporting files. An additional three forthcoming EDI packages will contain the full hyperspectral data cubes, georegistered and atmospherically corrected, for the August 2012, February 2013 and March 2013 flights.
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