Suchergebnisse - "Jandt, Randi"

Lightning as a major driver of recent large fire years in North American boreal forests von Veraverbeke, Sander, Rogers, Brendan M., Goulden, Mike L., Jandt, Randi R., Miller, Charles E., Wiggins, Elizabeth B., Randerson, James T.

“… Changes in climate and fire regimes are transforming the boreal forest, the world’s largest biome. Boreal North America recently experienced two years with …”
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Carbon loss from an unprecedented Arctic tundra wildfire von Mack, Michelle C., Bret-Harte, M. Syndonia, Hollingsworth, Teresa N., Jandt, Randi R., Schuur, Edward A. G., Shaver, Gaius R., Verbyla, David L.

“… Large carbon release from Alaskan tundra fire In 2007, an area of more than 1,000 square kilometres of Alaskan tundra was destroyed by a single fire, more than …”
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Lightning Variability in Dynamically Downscaled Simulations of Alaska’s Present and Future Summer Climate von Bieniek, Peter A., Bhatt, Uma S., York, Alison, Walsh, John E., Lader, Rick, Strader, Heidi, Ziel, Robert, Jandt, Randi R., Thoman, Richard L.

“… Lightning is a key driver of wildfire activity in Alaska. Quantifying its historical variability and trends has been challenging because of changes in the …”
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Sensitivity of Multifrequency Polarimetric SAR Data to Postfire Permafrost Changes and Recovery Processes in Arctic Tundra von Yi, Yonghong, Chen, Richard H., Moghaddam, Mahta, Kimball, John S., Jones, Benjamin M., Jandt, Randi R., Miller, Eric A., Miller, Charles E.

“… We used full-polarimetric L-band and P-band synthetic aperture radar (SAR) data collected from the recent NASA Arctic Boreal Vulnerability Experiment (ABoVE) …”
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Post-fire stabilization of thaw-affected permafrost terrain in northern Alaska von Jones, Benjamin M., Kanevskiy, Mikhail Z., Shur, Yuri, Gaglioti, Benjamin V., Jorgenson, M. Torre, Ward Jones, Melissa K., Veremeeva, Alexandra, Miller, Eric A., Jandt, Randi

“… In 2007, the Anaktuvuk River fire burned more than 1000 km 2 of arctic tundra in northern Alaska, ~ 50% of which occurred in an area with ice-rich syngenetic …”
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Hyperspectral Data Simulation (Sentinel-2 to AVIRIS-NG) for Improved Wildfire Fuel Mapping, Boreal Alaska von Badola, Anushree, Panda, Santosh K., Roberts, Dar A., Waigl, Christine F., Bhatt, Uma S., Smith, Christopher W., Jandt, Randi R.

“… Alaska has witnessed a significant increase in wildfire events in recent decades that have been linked to drier and warmer summers. Forest fuel maps play a …”
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Biophysical effects of an old tundra fire in the Brooks Range Foothills of Northern Alaska, U.S.A von Miller, Eric A., Baughman, Carson A., Jones, Benjamin M., Jandt, Randi R.

“… Our understanding of tundra fire effects in Northern Alaska is limited because fires have been relatively rare. We sampled a 70+ year-old burn visible in a …”
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Regional fire-greening positive feedback loops in Alaskan Arctic tundra von Chen, Dong, Fu, Cheng, Jenkins, Liza K, He, Jiaying, Wang, Zhihao, Jandt, Randi R, Frost, Gerald V, Bredder, Allison, Berner, Logan T, Loboda, Tatiana V

“… Arctic tundra has experienced rapid warming, outpacing global averages, leading to significant greening whose primary drivers include widespread …”
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Decrease of lichens in Arctic ecosystems: the role of wildfire, caribou, reindeer, competition and climate in north-western Alaska von Joly, Kyle, Jandt, Randi R., Klein, David R.

“… We review and present a synthesis of the existing research dealing with changing Arctic tundra ecosystems, in relation to caribou and reindeer winter ranges …”
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Unrecorded Tundra Fires of the Arctic Slope, Alaska USA von Miller, Eric A., Jones, Benjamin M., Baughman, Carson A., Jandt, Randi R., Jenkins, Jennifer L., Yokel, David A.

“… Few fires are known to have burned the tundra of the Arctic Slope north of the Brooks Range in Alaska, USA. A total of 90 fires between 1969 and 2022 are …”
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Fire Behavior, Weather, and Burn Severity of the 2007 Anaktuvuk River Tundra Fire, North Slope, Alaska von Jones, Benjamin M., Kolden, Crystal A., Jandt, Randi, Abatzoglou, John T., Urban, Frank, Arp, Christopher D.

“… In 2007, the Anaktuvuk River Fire (ARF) became the largest recorded tundra fire on the North Slope of Alaska. The ARF burned for nearly three months, consuming …”
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A synthesized field survey database of vegetation and active-layer properties for the Alaskan tundra (1972–2020) von Zhu, Xiaoran, Chen, Dong, Kogure, Maruko, Hoy, Elizabeth, Berner, Logan T., Breen, Amy L., Chatterjee, Abhishek, Davidson, Scott J., Frost, Gerald V., Hollingsworth, Teresa N., Iwahana, Go, Jandt, Randi R., Kade, Anja N., Loboda, Tatiana V., Macander, Matt J., Mack, Michelle, Miller, Charles E., Miller, Eric A., Natali, Susan M., Raynolds, Martha K., Rocha, Adrian V., Tsuyuzaki, Shiro, Tweedie, Craig E., Walker, Donald A., Williams, Mathew, Xu, Xin, Zhang, Yingtong, French, Nancy, Goetz, Scott

“… Studies in recent decades have shown strong evidence of physical and biological changes in the Arctic tundra, largely in response to rapid rates of warming …”
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Slow Recovery of Lichen on Burned Caribou Winter Range in Alaska Tundra: Potential Influences of Climate Warming and Other Disturbance Factors von Jandt, Randi, Joly, Kyle, Randy Meyers, C., Racine, Charles

“… Lichen regeneration timelines are needed to establish sound fire management guidelines for caribou (Rangifer tarandus) winter range. Paired burned and unburned …”
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Emerging Anthropogenic Influences on the Southcentral Alaska Temperature and Precipitation Extremes and Related Fires in 2019 von Bhatt, Uma S., Lader, Rick T., Walsh, John E., Bieniek, Peter A., Thoman, Richard, Berman, Matthew, Borries-Strigle, Cecilia, Bulock, Kristi, Chriest, Jonathan, Hahn, Micah, Hendricks, Amy S., Jandt, Randi, Little, Joseph, McEvoy, Daniel, Moore, Chris, Rupp, T. Scott, Schmidt, Jennifer, Stevens, Eric, Strader, Heidi, Waigl, Christine, White, James, York, Alison, Ziel, Robert

“… The late-season extreme fire activity in Southcentral Alaska during 2019 was highly unusual and consequential. Firefighting operations had to be extended by a …”
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A novel method to simulate AVIRIS-NG hyperspectral image from Sentinel-2 image for improved vegetation/wildfire fuel mapping, boreal Alaska von Badola, Anushree, Panda, Santosh K., Roberts, Dar A., Waigl, Christine F., Jandt, Randi R., Bhatt, Uma S.

“… •- Vegetation mapped from simulated AVIRIS-NG image offers greater details and accuracy.•− 33% improvement in the new vegetation map accuracy.•- A novel …”
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Tundra Fire and Vegetation Change along a Hillslope on the Seward Peninsula, Alaska, U.S.A von Racine, Charles, Jandt, Randi, Meyers, Cynthia, Dennis, John

“… A 1977 tundra fire burned a hillslope where prefire soils and vegetation ranged from poorly drained moist tussock-shrub tundra on the lower slopes to …”
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Overwintering fires in boreal forests von Scholten, Rebecca C., Jandt, Randi, Miller, Eric A., Rogers, Brendan M., Veraverbeke, Sander

“… Forest fires are usually viewed within the context of a single fire season, in which weather conditions and fuel supply can combine to create conditions …”
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Recent increases in large wildfires in the boreal forest of Alaska in relation to weather patterns von Hayasaka, Hiroshi, Nakau, Koji, Kushida, Keiji, Fukuda, Masami, Jandt, Randi

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Homeowner Preferences for Wildfire Risk Mitigation in the Alaskan Wildland Urban Interface von Molina, Allen, Little, Joseph, Drury, Stacy, Jandt, Randi

“… Wildfire has become a larger threat to human life and property with the proliferation of homes into the wildland urban interface and warming climate. In this …”
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Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: an expert assessment von Abbott, Benjamin W, Jones, Jeremy B, Schuur, Edward A G, Chapin III, F Stuart, Bowden, William B, Bret-Harte, M Syndonia, Epstein, Howard E, Flannigan, Michael D, Harms, Tamara K, Hollingsworth, Teresa N, Mack, Michelle C, McGuire, A David, Natali, Susan M, Rocha, Adrian V, Tank, Suzanne E, Turetsky, Merritt R, Vonk, Jorien E, Wickland, Kimberly P, Aiken, George R, Alexander, Heather D, Amon, Rainer M W, Benscoter, Brian W, Bergeron, Yves, Bishop, Kevin, Blarquez, Olivier, Ben Bond-Lamberty, Breen, Amy L, Buffam, Ishi, Cai, Yihua, Carcaillet, Christopher, Carey, Sean K, Chen, Jing M, Chen, Han Y H, Christensen, Torben R, Cooper, Lee W, Cornelissen, J Hans C, de Groot, William J, DeLuca, Thomas H, Dorrepaal, Ellen, Fetcher, Ned, Finlay, Jacques C, Forbes, Bruce C, French, Nancy H F, Gauthier, Sylvie, Girardin, Martin P, Goetz, Scott J, Goldammer, Johann G, Gough, Laura, Grogan, Paul, Guo, Laodong, Higuera, Philip E, Hinzman, Larry, Hu, Feng Sheng, Hugelius, Gustaf, Jafarov, Elchin E, Jandt, Randi, Johnstone, Jill F, Jan Karlsson, Kasischke, Eric S, Kattner, Gerhard, Kelly, Ryan, Keuper, Frida, Kling, George W, Kortelainen, Pirkko, Kouki, Jari, Kuhry, Peter, Laudon, Hjalmar, Laurion, Isabelle, Macdonald, Robie W, Mann, Paul J, Martikainen, Pertti J, McClelland, James W, Molau, Ulf, Oberbauer, Steven F, Olefeldt, David, Paré, David, Parisien, Marc-André, Payette, Serge, Peng, Changhui, Pokrovsky, Oleg S, Rastetter, Edward B, Raymond, Peter A, Raynolds, Martha K, Rein, Guillermo, Reynolds, James F, Robards, Martin, Rogers, Brendan M, Schädel, Christina, Schaefer, Kevin, Schmidt, Inger K, Shvidenko, Anatoly, Sky, Jasper, Spencer, Robert G M, Starr, Gregory, Striegl, Robert G, Teisserenc, Roman, Tranvik, Lars J, Virtanen, Tarmo, Welker, Jeffrey M, Zimov, Sergei

“… As the permafrost region warms, its large organic carbon pool will be increasingly vulnerable to decomposition, combustion, and hydrologic export. Models …”
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