Search Results - "Greaves, Heather E"

Simulating future climate change impacts on snow- and ice-related driving hazards in Arctic-boreal regions by Greaves, Heather E, Boelman, Natalie T, Brinkman, Todd J, Liston, Glen E, Prugh, Laura R, Reinking, Adele K

“…As Arctic and boreal regions rapidly warm, the frequency and seasonal timing of hazardous driving conditions on all-season Arctic-boreal roads are likely to…”
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Thermal acclimation of shoot respiration in an Arctic woody plant species subjected to 22 years of warming and altered nutrient supply by Heskel, Mary A, Greaves, Heather E, Turnbull, Matthew H, O'Sullivan, Odhran S, Shaver, Gaius R, Griffin, Kevin L, Atkin, Owen K

“…Despite concern about the status of carbon (C) in the Arctic tundra, there is currently little information on how plant respiration varies in response to…”
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LiDAR canopy radiation model reveals patterns of photosynthetic partitioning in an Arctic shrub by Magney, Troy S., Eitel, Jan U.H., Griffin, Kevin L., Boelman, Natalie T., Greaves, Heather E., Prager, Case M., Logan, Barry A., Zheng, Guang, Ma, Lixia, Fortin, Elizabeth A., Oliver, Ruth Y., Vierling, Lee A.

“…•Shrub canopy light regime was investigated with LiDAR and traditional techniques.•Integrated quantum flux was determined from a LiDAR-based 3D canopy…”
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Estimating aboveground biomass and leaf area of low-stature Arctic shrubs with terrestrial LiDAR by Greaves, Heather E., Vierling, Lee A., Eitel, Jan U.H., Boelman, Natalie T., Magney, Troy S., Prager, Case M., Griffin, Kevin L.

“…Arctic tundra ecosystems are responding to effects of climatic warming via shifts in vegetation composition and increased woody biomass. In this sensitive…”
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High-resolution mapping of aboveground shrub biomass in Arctic tundra using airborne lidar and imagery by Greaves, Heather E., Vierling, Lee A., Eitel, Jan U.H., Boelman, Natalie T., Magney, Troy S., Prager, Case M., Griffin, Kevin L.

“…Accurate monitoring of climate-driven expansion of low-stature shrubs in Arctic tundra requires high-resolution maps of shrub biomass that can accurately…”
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An automated method to quantify crop height and calibrate satellite-derived biomass using hypertemporal lidar by Eitel, Jan U.H., Magney, Troy S., Vierling, Lee A., Greaves, Heather E., Zheng, Guang

“…Crop biomass information is of great importance for a variety of applications, ranging from supporting farm management decisions to modeling the…”
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A mechanism of expansion: Arctic deciduous shrubs capitalize on warming-induced nutrient availability by Prager, Case M., Boelman, Natalie T., Eitel, Jan U. H., Gersony, Jess T., Greaves, Heather E., Heskel, Mary A., Magney, Troy S., Menge, Duncan N. L., Naeem, Shahid, Shen, Christa, Vierling, Lee A., Griffin, Kevin L.

“…Warming-induced nutrient enrichment in the Arctic may lead to shifts in leaf-level physiological properties and processes with potential consequences for plant…”
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The Arctic Plant Aboveground Biomass Synthesis Dataset by Berner, Logan T., Orndahl, Kathleen M., Rose, Melissa, Tamstorf, Mikkel, Arndal, Marie F., Alexander, Heather D., Humphreys, Elyn R., Loranty, Michael M., Ludwig, Sarah M., Nyman, Johanna, Juutinen, Sari, Aurela, Mika, Happonen, Konsta, Mikola, Juha, Mack, Michelle C., Vankoughnett, Mathew R., Iversen, Colleen M., Salmon, Verity G., Yang, Dedi, Kumar, Jitendra, Grogan, Paul, Danby, Ryan K., Scott, Neal A., Olofsson, Johan, Siewert, Matthias B., Deschamps, Lucas, Lévesque, Esther, Maire, Vincent, Morneault, Amélie, Gauthier, Gilles, Gignac, Charles, Boudreau, Stéphane, Gaspard, Anna, Kholodov, Alexander, Bret-Harte, M. Syndonia, Greaves, Heather E., Walker, Donald, Gregory, Fiona M., Michelsen, Anders, Kumpula, Timo, Villoslada, Miguel, Ylänne, Henni, Luoto, Miska, Virtanen, Tarmo, Forbes, Bruce C., Hölzel, Norbert, Epstein, Howard, Heim, Ramona J., Bunn, Andrew, Holmes, Robert M., Hung, Jacqueline K. Y., Natali, Susan M., Virkkala, Anna-Maria, Goetz, Scott J.

“…Plant biomass is a fundamental ecosystem attribute that is sensitive to rapid climatic changes occurring in the Arctic. Nevertheless, measuring plant biomass…”
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Multi-year, spatially extensive, watershed-scale synoptic stream chemistry and water quality conditions for six permafrost-underlain Arctic watersheds by Shogren, Arial J, Zarnetske, Jay P, Abbott, Benjamin W, Bratsman, Samuel, Brown, Brian, Carey, Michael P, Fulweber, Randy, Greaves, Heather E, Haines, Emma, Iannucci, Frances, Koch, Joshua C, Medvedeff, Alexander, O'Donnell, Jonathan A, Patch, Leika, Poulin, Brett A, Williamson, Tanner J, Bowden, William B

“…Repeated sampling of spatially distributed river chemistry can be used to assess the location, scale, and persistence of carbon and nutrient contributions to…”
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Xanthophyll Cycle Activity in Two Prominent Arctic Shrub Species by Magney, Troy S, Logan, Barry A, Reblin, Jaret S, Boelman, Natalie T, Eitel, Jan U. H, Greaves, Heather E, Griffin, Kevin L, Prager, Case M, Vierling, Lee A

“…When the capacity for photosynthesis is constrained by unfavorable growing conditions, excess absorbed light is safely lost from leaves via thermal energy…”
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Scaling Thermal Properties from the Leaf to the Canopy in the Alaskan Arctic Tundra by Gersony, Jessica T, Prager, Case M, Boelman, Natalie T, Eitel, Jan U. H, Gough, Laura, Greaves, Heather E, Griffin, Kevin L, Magney, Troy S, Sweet, Shannan K, Vierling, Lee A, Naeem, Shahid

“…Plants are strongly influenced by their thermal environments, and this influence manifests itself in a variety of ways, such as altered ranges, growth,…”
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A gradient of nutrient enrichment reveals nonlinear impacts of fertilization on Arctic plant diversity and ecosystem function by Prager, Case M., Naeem, Shahid, Boelman, Natalie T., Eitel, Jan U. H., Greaves, Heather E., Heskel, Mary A., Magney, Troy S., Menge, Duncan N.L., Vierling, Lee A., Griffin, Kevin L.

“…Rapid environmental change at high latitudes is predicted to greatly alter the diversity, structure, and function of plant communities, resulting in changes in…”
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20 cm resolution mapping of tundra vegetation communities provides an ecological baseline for important research areas in a changing Arctic environment by Greaves, Heather E, Eitel, Jan U H, Vierling, Lee A, Boelman, Natalie T, Griffin, Kevin L, Magney, Troy S, Prager, Case M

“…Arctic tundra vegetation communities are spatially heterogeneous and may vary dramatically from one meter to the next. Consequently, representing Arctic tundra…”
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Terrestrial lidar scanning reveals fine-scale linkages between microstructure and photosynthetic functioning of small-stature spruce trees at the forest-tundra ecotone by Maguire, Andrew J., Eitel, Jan U.H., Vierling, Lee A., Johnson, Daniel M., Griffin, Kevin L., Boelman, Natalie T., Jensen, Johanna E., Greaves, Heather E., Meddens, Arjan J.H.

“…•The forest-tundra ecotone exhibits myriad responses to environmental change.•We related TLS-derived microstructure to photosynthetic functioning of spruce…”
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Applying Lidar and High-Resolution Multispectral Imagery for Improved Quantification and Mapping of Tundra Vegetation Structure and Distribution in the Alaskan Arctic by Greaves, Heather E

“…Climate change is disproportionately affecting high northern latitudes, and the extreme temperatures, remoteness, and sheer size of the Arctic tundra biome…”
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