Search Results - "Macander, Matthew J"

Plant functional type aboveground biomass change within Alaska and northwest Canada mapped using a 35-year satellite time series from 1985 to 2020 by Orndahl, Kathleen M, Macander, Matthew J, Berner, Logan T, Goetz, Scott J

“…Abstract Changes in vegetation distribution are underway in Arctic and boreal regions due to climate warming and associated fire disturbance. These changes…”
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Time-series maps reveal widespread change in plant functional type cover across Arctic and boreal Alaska and Yukon by Macander, Matthew J, Nelson, Peter R, Nawrocki, Timm W, Frost, Gerald V, Orndahl, Kathleen M, Palm, Eric C, Wells, Aaron F, Goetz, Scott J

“…Abstract Widespread changes in the distribution and abundance of plant functional types (PFTs) are occurring in Arctic and boreal ecosystems due to the…”
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Multi-decadal patterns of vegetation succession after tundra fire on the Yukon-Kuskokwim Delta, Alaska by Frost, Gerald V, Loehman, Rachel A, Saperstein, Lisa B, Macander, Matthew J, Nelson, Peter R, Paradis, David P, Natali, Susan M

“…Alaska's Yukon-Kuskokwim Delta (YKD) is one of the warmest parts of the Arctic tundra biome and tundra fires are common in its upland areas. Here, we combine…”
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Lichen cover mapping for caribou ranges in interior Alaska and Yukon by Macander, Matthew J, Palm, Eric C, Frost, Gerald V, Herriges, Jim D, Nelson, Peter R, Roland, Carl, Russell, Kelsey L M, Suitor, Mike J, Bentzen, Torsten W, Joly, Kyle, Goetz, Scott J, Hebblewhite, Mark

“…Previous research indicates that the effects of climate warming, including shrub expansion and increased fire frequency may lead to declining lichen abundance…”
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Patterns of regional site index across a North American boreal forest gradient by Montesano, Paul M, Neigh, Christopher S R, Macander, Matthew J, Wagner, William, Duncanson, Laura I, Wang, Panshi, Sexton, Joseph O, Miller, Charles E, Armstrong, Amanda H

“…Abstract Forest structure—the height, cover, vertical complexity, and spatial patterns of trees—is a key indicator of productivity variation across forested…”
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Regional Quantitative Cover Mapping of Tundra Plant Functional Types in Arctic Alaska by Macander, Matthew, Frost, Gerald, Nelson, Peter, Swingley, Christopher

“…Ecosystem maps are foundational tools that support multi-disciplinary study design and applications including wildlife habitat assessment, monitoring and…”
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Regional Patterns and Asynchronous Onset of Ice-Wedge Degradation since the Mid-20th Century in Arctic Alaska by Frost, Gerald, Christopherson, Tracy, Jorgenson, M., Liljedahl, Anna, Macander, Matthew, Walker, Donald, Wells, Aaron

“…Ice-wedge polygons are widespread and conspicuous surficial expressions of ground-ice in permafrost landscapes. Thawing of ice wedges triggers differential…”
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Characterizing Wetland Inundation and Vegetation Dynamics in the Arctic Coastal Plain Using Recent Satellite Data and Field Photos by Zou, Zhenhua, DeVries, Ben, Huang, Chengquan, Lang, Megan W., Thielke, Sydney, McCarty, Greg W., Robertson, Andrew G., Knopf, Jeff, Wells, Aaron F., Macander, Matthew J., Du, Ling

“…Arctic wetlands play a critical role in the global carbon cycle and are experiencing disproportionate impacts from climate change. Even though Alaska hosts 65%…”
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A shift in transitional forests of the North American boreal will persist through 2100 by Montesano, Paul M, Frost, Melanie, Li, Jian, Carroll, Mark, Neigh, Christopher S R, Macander, Matthew J, Sexton, Joseph O, Frost, Gerald V

“…High northern latitude changes with Arctic amplification across a latitudinal forest gradient suggest a shift towards an increased presence of trees and…”
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Assessment of LiDAR and Spectral Techniques for High-Resolution Mapping of Sporadic Permafrost on the Yukon-Kuskokwim Delta, Alaska by Whitley, Matthew, Frost, Gerald, Jorgenson, M., Macander, Matthew, Maio, Chris, Winder, Samantha

“…Western Alaska’s Yukon-Kuskokwim Delta (YKD) spans nearly 67,200 km2 and is among the largest and most productive coastal wetland ecosystems in the pan-Arctic…”
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Recent trends and remaining challenges for optical remote sensing of Arctic tundra vegetation: A review and outlook by Beamish, Alison, Raynolds, Martha K., Epstein, Howard, Frost, Gerald V., Macander, Matthew J., Bergstedt, Helena, Bartsch, Annett, Kruse, Stefan, Miles, Victoria, Tanis, Cemal Melih, Heim, Birgit, Fuchs, Matthias, Chabrillat, Sabine, Shevtsova, Iuliia, Verdonen, Mariana, Wagner, Johann

“…A systematic review and inventory of recent research relating to optical remote sensing of Arctic vegetation was conducted, and thematic and geographical…”
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Landsat-based snow persistence map for northwest Alaska by Macander, Matthew J., Swingley, Christopher S., Joly, Kyle, Raynolds, Martha K.

“…Landsat imagery for northwest Alaska from 1 February to 31 August, 1985–2011 was used to map snow persistence at high spatial resolution. We analyzed 11,645…”
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Eyes of the world on a warmer, less frozen, and greener Arctic by Frost, Gerald V., Bhatt, Uma S., Macander, Matthew J., Epstein, Howard E., Raynolds, Martha K., Waigl, Christine F., Walker, Donald A.

“…Rapid atmospheric warming and sea‐ice retreat are driving widespread changes in Arctic ecosystems, among the most pervasive of which is the “greening of the…”
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Detecting continuous lichen abundance for mapping winter caribou forage at landscape spatial scales by Nelson, Peter R., Roland, Carl, Macander, Matthew J., McCune, Bruce

“…Spatial variation of available food resources can be difficult to accurately quantify for wide ranging organisms at landscape scales. Lichens with usnic acid,…”
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Integrated terrain unit mapping on the Beaufort Coastal Plain, North Slope, Alaska, USA by Wells, Aaron F., Frost, Gerald V., Macander, Matthew J., Jorgenson, M. Torre, Roth, Joanna E., Davis, Wendy A., Pullman, Erik R.

“…Context Integrated Terrain Unit (ITU) mapping is a technique used to develop maps depicting specific ecosystem services and landscape sensitivity measures…”
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Surface Reflectance From Commercial Very High Resolution Multispectral Imagery Estimated Empirically With Synthetic Landsat (2023) by Montesano, Paul M., Macander, Matthew J., Caraballo-Vega, Jordan Alexis, Frost, Melanie J., Neigh, Christopher S. R., Frost, Gerald V., Tamkin, Glenn S., Carroll, Mark L.

“…Scientific analysis of Earth's land surface change benefits from well-characterized multispectral remotely sensed data for which models estimate and remove the…”
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The predictability of near‐term forest biomass change in boreal North America by Burrell, Arden L., Cooperdock, Sol, Potter, Stefano, Berner, Logan T., Hember, Robert, Macander, Matthew J., Walker, Xanthe J., Massey, Richard, Foster, Adrianna C., Mack, Michelle C., Goetz, Scott J., Rogers, Brendan

“…Climate change is driving substantial changes in North American boreal forests, including changes in productivity, mortality, recruitment, and biomass. Despite…”
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Remote Sensing of Tundra Ecosystems Using High Spectral Resolution Reflectance: Opportunities and Challenges by Nelson, Peter R., Maguire, Andrew J., Pierrat, Zoe, Orcutt, Erica L., Yang, Dedi, Serbin, Shawn, Frost, Gerald V., Macander, Matthew J., Magney, Troy S., Thompson, David R., Wang, Jonathan A., Oberbauer, Steven F., Zesati, Sergio Vargas, Davidson, Scott J., Epstein, Howard E., Unger, Steven, Campbell, Petya K. E., Carmon, Nimrod, Velez‐Reyes, Miguel, Huemmrich, K. Fred

“…Observing the environment in the vast regions of Earth through remote sensing platforms provides the tools to measure ecological dynamics. The Arctic tundra…”
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An API for Spaceborne Sub-Meter Resolution Products for Earth Science by Neigh, Christopher S.R., Tucker, Compton J., Carroll, Mark L., Montesano, Paul M., Slayback, Daniel A., Wooten, Margaret R., Lyapustin, Alexei I., Shean, David E., Alexandrov, Oleg, Macander, Matthew J.

“…Commercial very high-resolution (VHR) Earth observing (EO) satellites have grown into constellations with global repeat coverage that can support existing NASA…”
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Tundra fires and surface subsidence increase spectral diversity on the Yukon-Kuskokwim Delta, Alaska by Anderson, Duncan, Michaelides, Roger, Chen, Wenqu, Frost, Gerald V, Macander, Matthew J, Lara, Mark Jason

“…Abstract Tundra fires can dramatically influence plant species cover and abundance, organic layer depth, and the magnitude of seasonal permafrost thaw…”
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