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27 results for “canopy temperature”
Data for Radiation and temperature drive diurnal variation of aerobic methane emissions from Scots pine canopy
<p>Aerobic methane emissions from plant foliage may play an important role in the global methane cycle, but their size and the underlying source processes remain poorly understood. Here, we quantify methane fluxes from the shoots Scots pine trees, a dominant tree species in boreal forests, identify source processes and environmental drivers, and evaluate the potential of leaf emissions to constrain methane emissions at the ecosystem-level eddy covariance flux measurements. We show that shoot-level measurements conducted in forest, garden, or greenhouse settings; on mature trees and saplings; manually and with an automated CO<sub>2</sub> -, temperature-, and water-controlled chamber system; and with multiple methane analysers all resulted in comparable daytime flux rates (0.094±0.035 to 0.241±0.090 nmol CH<sub>4</sub> g<sup>-1</sup> foliar dw h<sup>-1</sup>). We find that methane emissions from Scots pine shoots exhibit a pronounced diurnal cycle that closely follows photosynthetically active radiation (PAR) and is further modulated by temperature. These diurnal patterns indicate that methane production is associated with diurnal cycle of sunlight, suggesting that methane is either a byproduct of photosynthesis-associated biochemical reactions (e.g. the methionine cycle) or produced through non-enzymatic photochemical reactions in plant biomass. Moreover, we identified a light-dependent component in stand-level methane fluxes, which showed an order-of-magnitude agreement with shoot-level measurements (0.968±0.031 nmol CH<sub>4</sub> g<sup>-1</sup> h<sup>-1</sup>), and which provides an upper limit to shoot methane emissions.</p> <p> </p>
Soil and canopy temperature data from the Arctic LTER Moist Acidic Tussock Experimental plots for 2007, Toolik Filed Station, North Slope, Alaska.
Soil and canopy temperature data from the LTER Moist Acidic Tussock Experimental plots. In 1989 a treatment plots were established in a moist acidic tundra. Treatments include nitrogen and phosphorus addition, warming with a simple greenhouse, warming with nitrogen and phosphorus addition, shading with shade cloth and shading with nitrogen and phosphorus. In 1990 data logger was installed in block 2 to measure soil temperatures and basic meteorological data. The plots are located on a hillside near Toolik Lake (68 38' N, 149 36'W). Sensors were placed in control, fertilized, greenhouse, greenhouse fertilized, shade house and shade house fertilized sites.
Soil and canopy temperature data from the Arctic LTER Moist Acidic Tussock Experimental plots for 2006, Toolik Filed Station, North Slope, Alaska.
Soil and canopy temperature data from the LTER Moist Acidic Tussock Experimental plots. In 1989 a treatment plots were established in a moist acidic tundra. Treatments include nitrogen and phosphorus addition, warming with a simple greenhouse, warming with nitrogen and phosphorus addition, shading with shade cloth and shading with nitrogen and phosphorus. In 1990 data logger was installed in block 2 to measure soil temperatures and basic meteorological data. The plots are located on a hillside near Toolik Lake (68 38' N, 149 36'W). Sensors were placed in control, fertilized, greenhouse, greenhouse fertilized, shade house and shade house fertilized sites.
Data from: Trait-based scaling of temperature-dependent foliar respiration in a species-rich tropical forest canopy
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Canopy temperature, sap flux, and environmental drivers.
<p>Canopy temperature, sap flux, and environmental drivers collected at Virginia Forest Research Facility, University of Virginia.</p> <p> </p>
Canopy temperature is regulated by ecosystem structural traits and captures the ecohydrologic dynamics of a semiarid mixed conifer forest site
<p>The data have been used in a published article in the Journal of Geophysical Research: Biogeosciences, titled "Canopy temperature is regulated by ecosystem structural traits and captures the ecohydrologic dynamics of a semiarid mixed conifer forest site". Please check out the published article for more information about the data.<br> <br> Javadian, M., Smith, W. K., Lee, K., Knowles, J. F., Scott, R. L., Fisher, J. B., et al. (2022). Canopy temperature is regulated by ecosystem structural traits and captures the ecohydrologic dynamics of a semiarid mixed conifer forest site. <em>Journal of Geophysical Research: Biogeosciences</em>, 127, e2021JG006617. <a href="https://doi.org/10.1029/2021JG006617">https://doi.org/10.1029/2021JG006617</a><br> <br> There are 5 folders in the main folder as follows:<br> <br> 1."EC_Tower" : The flux tower data over US-MtB eddy covariance site from Jan 2020 to May 2021.<br> 2. "FLIR_Thermometer": The vertical temperature profiles on Nov, 14, 2020.<br> 3."PRI": The photochemical reflectance index (PRI) from Jan 2020 to Feb 2021.<br> 4. "Tree_Sap_Flow": Tree sap flow data from Jan 2020 to May 2021.<br> 5. "UAS": Unmanned Aircraft Systems (UAS) images</p>
Correlation and co-localization of QTLs for stomatal density, canopy temperature, and productivity with and without drought stress in Setaria
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.