Search Results - "Kholodov, Alexander"
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Permafrost is warming at a global scale
Published in Nature communications (16-01-2019)“…Permafrost warming has the potential to amplify global climate change, because when frozen sediments thaw it unlocks soil organic carbon. Yet to date, no…”
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Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions
Published in Biogeosciences (31-08-2018)“…Soils in Arctic and boreal ecosystems store twice as much carbon as the atmosphere, a portion of which may be released as high-latitude soils warm. Some of the…”
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Climate change and seismic resilience: Key considerations for Alaska’s infrastructure and built environment
Published in PloS one (18-10-2023)“…Alaska is one of the most seismically active regions of the world. Coincidentally, the state has also experienced dramatic impacts of climate change as it is…”
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Winter soil temperature varies with canopy cover in Siberian larch forests
Published in Environmental research letters (01-05-2024)“…Abstract In the Arctic, winter soil temperatures exert strong control over mean annual soil temperature and winter CO 2 emissions. In tundra ecosystems there…”
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Spatial variation in vegetation productivity trends, fire disturbance, and soil carbon across arctic-boreal permafrost ecosystems
Published in Environmental research letters (01-09-2016)“…In arctic tundra and boreal forest ecosystems vegetation structural and functional influences on the surface energy balance can strongly influence permafrost…”
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Variation in Fine Root Characteristics and Nutrient Dynamics Across Alaskan Ecosystems
Published in Ecosystems (New York) (01-09-2021)“…Carbon cycle perturbations in high-latitude ecosystems associated with rapid warming can have implications for the global climate. Belowground biomass is an…”
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Long-term Circumpolar Active Layer Monitoring (CALM) program observations in Northern Alaskan tundra
Published in Polar geography (1995) (03-07-2021)“…The Circumpolar Active Layer Monitoring (CALM) network is an ongoing international effort to collect and disseminate standardized measurements of active-layer…”
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Circum-Arctic Map of the Yedoma Permafrost Domain
Published in Frontiers in earth science (Lausanne) (28-10-2021)“…Ice-rich permafrost in the circum-Arctic and sub-Arctic (hereafter pan-Arctic), such as late Pleistocene Yedoma, are especially prone to degradation due to…”
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Cryogenic Displacement and Accumulation of Biogenic Methane in Frozen Soils
Published in Atmosphere (15-06-2017)“…Evidences of highly localized methane fluxes are reported from the Arctic shelf, hot spots of methane emissions in thermokarst lakes, and are believed to…”
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10
Variability in above- and belowground carbon stocks in a Siberian larch watershed
Published in Biogeosciences (26-09-2017)“…Permafrost soils store between 1330 and 1580 Pg carbon (C), which is 3 times the amount of C in global vegetation, almost twice the amount of C in the…”
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Tree density influences ecohydrological drivers of plant–water relations in a larch boreal forest in Siberia
Published in Ecohydrology (01-10-2019)“…Transpiration and stomatal conductance in deciduous needleleaf boreal forests of northern Siberia can be highly sensitive to water stress, permafrost thaw, and…”
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The Arctic Plant Aboveground Biomass Synthesis Dataset
Published in Scientific data (20-03-2024)“…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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Methane in Gas Shows from Boreholes in Epigenetic Permafrost of Siberian Arctic
Published in Geosciences (Basel) (01-02-2019)“…The gas shows in the permafrost zone represent a hazard for exploration, form the surface features, and are improperly estimated in the global methane budget…”
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14
Shallow soils are warmer under trees and tall shrubs across Arctic and Boreal ecosystems
Published in Environmental research letters (01-01-2021)“…Soils are warming as air temperatures rise across the Arctic and Boreal region concurrent with the expansion of tall-statured shrubs and trees in the tundra…”
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15
Multiscale CT-Based Computational Modeling of Alveolar Gas Exchange during Artificial Lung Ventilation, Cluster (Biot) and Periodic (Cheyne-Stokes) Breathings and Bronchial Asthma Attack
Published in Computation (01-03-2017)“…An airflow in the first four generations of the tracheobronchial tree was simulated by the 1D model of incompressible fluid flow through the network of the…”
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About the Evolution of Perturbations Caused by the Movement of Meteoroids in the Earths Atmosphere
Published in Kompʹûternye issledovaniâ i modelirovanie (Online) (01-12-2013)“…On the basis of the MGD equations we consider 2D- and 3D- nonstationary problems about the evolution of perturbations in the lower atmosphere and the Earths…”
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Sub-aerial talik formation observed across the discontinuous permafrost zone of Alaska
Published in Nature geoscience (01-06-2022)“…Talik formation has long been acknowledged as an important mechanism of permafrost degradation. Currently, a lack of in situ observations has left a critical…”
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Development, calibration and verification of mathematical model for multilane urban road traffic flow. Part II
Published in Kompʹûternye issledovaniâ i modelirovanie (Online) (01-12-2015)“…The goal of this work is to generalize second order mathematical models for automotive flow using algorithm for building state equation - the dependency of…”
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Developing the mathematical model of road junction by the hydrodynamic approach
Published in Kompʹûternye issledovaniâ i modelirovanie (Online) (01-08-2014)“…The purpose of this paper is to develop a macroscopic hydrodynamic model describing the vehicular traffic on a road junction and taking into account the…”
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Permafrost degradation and its consequences for carbon storage in soils of Interior Alaska
Published in Biogeochemistry (01-03-2024)“…Permafrost soils in the northern hemisphere are known to harbor large amounts of soil organic matter (SOM). Global climate warming endangers this stable soil…”
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