Canadian wildfires have ushered in a new fire era, the …
In 2020, a wave of smoke and fire washed over the West Coast, burning over 10.2 million acres, and creating the second- and third-worst smoke days in U.S. history. (New York City's orange ...
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In 2020, a wave of smoke and fire washed over the West Coast, burning over 10.2 million acres, and creating the second- and third-worst smoke days in U.S. history. (New York City's orange ...
Disturbances in forests can kill mature trees, but also create the conditions necessary for the establishment of new tree cohorts and create micro-habitats for new plant and animal species, thereby increasing the species diversity compared to undisturbed stands. We review the types and intensities of disturbances on forests in three regions of …
1 Introduction. Fire is a key Earth system process determining global vegetation distribution (Bond et al., 2005), modulating the carbon cycle (Liu et al., 2015), …
People across the Northern Hemisphere will be able to spot a "ring of fire" in the sky as an annular solar eclipse moves across our planet this Thursday (June 10).
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The data are anomalies averaged over the six years listed to the left of the panel, selected as the 10% of years with the most widespread drought and fire weather in the Northern Hemisphere. b As ...
1 Introduction. Fire is a key Earth system process determining global vegetation distribution (Bond et al., 2005), modulating the carbon cycle (Liu et al., 2015), and influencing the climate system (Bowman et al., 2009).Documenting mechanisms behind climate-fire dynamics is critical for understanding the future of Earth's ecosystems under …
Wildfire can have severe environmental and societal impacts, affecting ecosystems, agricultural lands and urban settlements 1,2,3,4.Recent high-profile …
We used geostatistical analysis techniques, such as measures of dispersion and emerging hot spot analysis, to reveal long-term trends in spatial patterns of fire …
Recent changes in trend and variability of the main Southern Hemisphere climate modes are driven by a variety of factors, including increasing atmospheric greenhouse gases, changes in tropical sea surface temperature, and stratospheric ozone depletion and recovery. One of the most important implications for climatic change is its effect via …
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20 assembled to derive a regional reconstruction of fire activity. In this way, paleo-fire records have been obtained at regional, continental, and global scales and can be compiled from the paleo-fire database for specific regions (Blarquez et al., 2014). Published North American paleo-fire compilations covering the Holocene, for example,
Nina Riggio for The New York Times. Paul Casanova Garcia, 71, waited for the solar eclipse at Mission San José in San Antonio. "The most exciting part is the rings of fire," said Mr. Garcia ...
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by hemisphere-wide fire and hydroclimatic trends over the past 2400 years Michael-Shawn Fletcher1,2*, Alexa Benson 1, David M.J.S. Bowman3, Patricia S. Gadd4, Hendrik Heijnis4, Michela Mariani1, Krystyna M. Saunders4,5, Brent B. Wolfe6, and Atun Zawadzki4 1School of Geography, University of Melbourne, Carlton, VIC 3053, Australia
Abstract. We determined the specific biomass burning biomarker levoglucosan in an ice core from the TALos Dome Ice CorE drilling project (TALDICE) during the mid- to late Holocene (6000–750 BP). The levoglucosan record is characterized by a long-term increase with higher rates starting at ∼ 4000 BP and peaks between 2500 and 1500 BP. …
The lack of correlation between atmospheric CO and boreal fire emissions in 1996 and 2001 is most likely due to the occurrence of large fires in other parts of the Northern Hemisphere during these years (there were 2.5 × 10 6 ha of wildland fire in the conterminous United States during 2001 and 10.1 × 10 6 ha of wildland in the steppes …
The link between fire and atmospheric carbon monoxide (CO) is well established for the Southern Hemisphere and tropics (e.g., Edwards, Emmons, et al., 2006; Gloudemans et al., 2006). In the Southern Hemisphere, biomass burning is the main source of CO variability (e.g., Voulgarakis et al., 2015). Atmospheric CO is produced directly by ...
The previous study 110 indicates that the impact of ENSO on Southern Hemisphere fire weather, including in Australia, has become stronger since the start of this century (Mariani et al., 2018 ...
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Party is at the green cross, mobs are red crosses ahead of us and behind. Yellow/orange line is the Wall of Fire. In the first pic, the WoF is a circle 30' diameter, but has been squeezed (like a bubble) into …
The rapid warming of Arctic is causing increased fire activities in the boreal Northern Hemisphere (NH), leading to unprecedent changes in the global carbon cycling, human health and ecosystems. Understanding the interaction between fire and climate in this far north region is crucial for predicting future changes of wildfires.
The 2019–2020 Australian wildfire season was exceptional in both its severity and particulate emissions, driving the maximum in observed aerosol optical …
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Global warming does not cause wildfires. The proximate cause is often human carelessness (cigarette butts, camp fires not extinguished properly, etc.), or natural, from "dry lightning" whereby ...
Fire increasingly favors low and intermediate slopes after t he sharp decrease of 20 burned area in 1990 . ... Estes et al., 2017; Parks et al., 2018) . In the northern hemisphere, south -facing slopes receive higher solar radiation during the day than nort hern slopes which enhances burn severity in many studies (Alexander et al., 2006; Oliveira
Linking horizontal and vertical transports of biomass fire emissions to the tropical Atlantic ozone paradox during the Northern Hemisphere winter season: Climatology. G. S. Jenkins, J. H. Ryu. ... During the Northern hemisphere winter season, biomass burning is widespread in West Africa, yet the total tropospheric column ozone values (<30 DU ...
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Australia had held off declaring an El Nino but has been bracing for a warm and dry southern hemisphere spring and summer in 2023, after three years of heavy rains and frequent flooding ...
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Abstract. The characteristics and seasonal variability in the tropical tropospheric distributions of ozone (O3) and carbon monoxide (CO) were analysed based on in situ measurements provided by the In-service Aircraft for a Global Observing System (IAGOS) programme since 1994 and 2002, respectively, combined with observations …
Video shows town leveled by wildfire in California. 00:54 - Source: CNN. CNN —. The amount of carbon emitted from severe wildfires that tore across many parts …
Recent changes in trend and variability of the main Southern Hemisphere climate modes are driven by a variety of factors, including increasing atmospheric greenhouse gases, changes in tropical sea surface temperature, and stratospheric ozone depletion and recovery. One of the most important implications for climatic change is its effect via …
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