E S Euskirchen

Datos Biográficos

ID6820585
NOMBREE S Euskirchen
NOMBRESE S
APELLIDOEuskirchen
FIRMAEUSKIRCHEN E S
AFILIACIONESUniversity of Alaska Fairbanks
ORCID0000-0002-0848-4295
VERIFICADOSí
TOTAL DE OBRAS18
TOTAL DE CITAS5
TOTAL COMO AUTOR18
TOTAL COMO EDITOR0
PRIMER AÑO DE PUBLICACIÓN2005
AÑO MÁS RECIENTE DE PUBLICACIÓN2025
ÍNDICE H1

  • Record 2024 winter carbon emissions coincide with record warmth across boreal forest, tundra, and wetland ecosystems

    Open AccessGrant Falvo, Edward A G Schuur et al.ARTICLEEnvironmental Research Letters2025

    The warming Arctic could accelerate climate change as permafrost soil carbon is released as greenhouse gas emissions from boreal forest, tundra, and wetland ecosystems. Record climate conditions are increasingly common, with the 2023–2024 winter (September–April) documented as having the warmest land surface air temperatures on record for the Arctic region. However, corresponding impacts on ecosystem greenhouse gas fluxes typically take several y…

  • Reducing uncertainty of high-latitude ecosystem models through identification of key parameters

    Open AccessHannah Mevenkamp, Nico Wunderling et al.ARTICLEEnvironmental Research Letters2023

    Climate change is having significant impacts on Earth’s ecosystems and carbon budgets, and in the Arctic may drive a shift from an historic carbon sink to a source. Large uncertainties in terrestrial biosphere models (TBMs) used to forecast Arctic changes demonstrate the challenges of determining the timing and extent of this possible switch. This spread in model predictions can limit the ability of TBMs to guide management and policy decisions. …

  • A boreal forest model benchmarking dataset for North America

    Open AccessBo Qu, Alexandre Roy et al.ARTICLEEnvironmental Research Letters2023

    Climate change is rapidly altering composition, structure, and functioning of the boreal biome, across North America often broadly categorized into ecoregions. The resulting complex changes in different ecoregions present a challenge for efforts to accurately simulate carbon dioxide (CO 2 ) and energy exchanges between boreal forests and the atmosphere with terrestrial ecosystem models (TEMs). Eddy covariance measurements provide valuable informa…

  • Evaluating photosynthetic activity across Arctic-Boreal land cover types using solar-induced fluorescence

    Open AccessRui Cheng, Troy S Magney et al.ARTICLEEnvironmental Research Letters2022

    Photosynthesis of terrestrial ecosystems in the Arctic-Boreal region is a critical part of the global carbon cycle. Solar-induced chlorophyll Fluorescence (SIF), a promising proxy for photosynthesis with physiological insight, has been used to track gross primary production (GPP) at regional scales. Recent studies have constructed empirical relationships between SIF and eddy covariance-derived GPP as a first step to predicting global GPP. However…

  • The changing carbon balance of tundra ecosystems

    Open AccessErik J L Larson, Luke D Schiferl et al.ARTICLEEnvironmental Research Letters2021

    An estimated 1700 Pg of carbon is frozen in the Arctic permafrost and the fate of this carbon is unclear because of the complex interaction of biophysical, ecological and biogeochemical processes that govern the Arctic carbon budget. Two key processes determining the region’s long-term carbon budget are: (a) carbon uptake through increased plant growth, and (b) carbon release through increased heterotrophic respiration (HR) due to warmer soils. P…

  • Soil respiration strongly offsets carbon uptake in Alaska and Northwest Canada

    Open AccessJennifer D Watts, Susan M Natali et al.ARTICLEEnvironmental Research Letters2021

    Soil respiration (i.e. from soils and roots) provides one of the largest global fluxes of carbon dioxide (CO 2 ) to the atmosphere and is likely to increase with warming, yet the magnitude of soil respiration from rapidly thawing Arctic-boreal regions is not well understood. To address this knowledge gap, we first compiled a new CO 2 flux database for permafrost-affected tundra and boreal ecosystems in Alaska and Northwest Canada. We then used th…

  • Shallow soils are warmer under trees and tall shrubs across Arctic and Boreal ecosystems

    Open AccessHeather Kropp, M M Loranty et al.ARTICLEEnvironmental Research Letters2020

    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. Changes in vegetation structure and function are expected to alter soil thermal regimes, thereby modifying climate feedbacks related to permafrost thaw and carbon cycling. However, current understanding of vegetation impacts on soil temperature is limited to local or regional scales and lack…

  • The biophysical climate mitigation potential of boreal peatlands during the growing season

    Open AccessManuel Helbig, J M Waddington et al.ARTICLEEnvironmental Research Letters2020

    Peatlands and forests cover large areas of the boreal biome and are critical for global climate regulation. They also regulate regional climate through heat and water vapour exchange with the atmosphere. Understanding how land-atmosphere interactions in peatlands differ from forests may therefore be crucial for modelling boreal climate system dynamics and for assessing climate benefits of peatland conservation and restoration. To assess the bioph…

  • Inferring CO 2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model

    Open AccessMasahito Ueyama, Kazuhito Ichii et al.ARTICLEEnvironmental Research Letters2020

    Rising atmospheric CO 2 concentration ([CO 2 ]) enhances photosynthesis and reduces transpiration at the leaf, ecosystem, and global scale via the CO 2 fertilization effect. The CO 2 fertilization effect is among the most important processes for predicting the terrestrial carbon budget and future climate, yet it has been elusive to quantify. For evaluating the CO 2 fertilization effect on land photosynthesis and transpiration, we developed a tech…

  • Exposure to cold temperature affects the spring phenology of Alaskan deciduous vegetation types

    Open AccessMingjie Shi, Nicholas C Parazoo et al.ARTICLEEnvironmental Research Letters2019

    Temperature is a dominant factor driving arctic and boreal ecosystem phenology, including leaf budburst and gross primary production (GPP) onset in Alaskan spring. Previous studies hypothesized that both accumulated growing degree day (GDD) and cold temperature (chilling) exposure are important to leaf budburst. We test this hypothesis by combining both satellite and aircraft vegetation measurements with the Community Land Model Version 4.5 (CLM)…

  • Key indicators of Arctic climate change

    Open AccessJason E Box, William Colgan et al.ARTICLEEnvironmental Research Letters2019

    Key observational indicators of climate change in the Arctic, most spanning a 47 year period demonstrate fundamental changes among nine key elements of the Arctic system. We find that, coherent with increasing air temperature, there is an intensification of the hydrological cycle, evident from increases in humidity, precipitation, river discharge, glacier equilibrium line altitude and land ice wastage. Downward trends continue in sea ice thicknes…

  • Consequences of changes in vegetation and snow cover for climate feedbacks in Alaska and northwest Canada

    Open AccessE S Euskirchen, Alec Bennett et al.ARTICLEEnvironmental Research Letters2016

    Changes in vegetation and snow cover may lead to feedbacks to climate through changes in surface albedo and energy fluxes between the land and atmosphere. In addition to these biogeophysical feedbacks, biogeochemical feedbacks associated with changes in carbon (C) storage in the vegetation and soils may also influence climate. Here, using a transient biogeographic model (ALFRESCO) and an ecosystem model (DOS-TEM), we quantified the biogeophysical…

  • Changes in growing season duration and productivity of northern vegetation inferred from long-term remote sensing data

    Open AccessTaejin Park, Sangram Ganguly et al.ARTICLEEnvironmental Research Letters2016

    Monitoring and understanding climate-induced changes in the boreal and arctic vegetation is critical \nto aid in prognosticating their future.Weused a 33 year (1982–2014) long record of satellite \nobservations to robustly assess changes in metrics of growing season (onset: SOS, end: EOS and length: \nLOS) and seasonal total gross primary productivity. Particular attention was paid to evaluating the \naccuracy of these metrics by comparing them t…

  • Applications of resilience theory in management of a moose-hunter system in Alaska

    Open AccessCasey L Brown, Kalin A Seaton et al.ARTICLEConservation Ecology2015

    Bowen, K. J., F. P. Miller, V. Dany, and S. Graham. 2015. The relevance of a coproductive capacity framework to climate change adaptation: investigating the health and water sectors in Cambodia. Ecology and Society 20(1): 13. https://doi.org/10.5751/ES-06864-200113

  • Modeling the effects of fire severity and climate warming on active layer thickness and soil carbon storage of black spruce forests across the landscape in interior Alaska

    Open AccessHélène Genet, A D McGuire et al.ARTICLEEnvironmental Research Letters2013

    There is a substantial amount of carbon stored in the permafrost soils of boreal forest ecosystems, where it is currently protected from decomposition. The surface organic horizons insulate the deeper soil from variations in atmospheric temperature. The removal of these insulating horizons through consumption by fire increases the vulnerability of permafrost to thaw, and the carbon stored in permafrost to decomposition. In this study we ask how w…

  • Towards a Tipping Point in Responding to Change

    Open AccessH P Huntington, Eban Goodstein et al.ARTICLEAMBIO2012Citada por: 5Referencias: 13

  • Vulnerability of Permafrost Carbon to Climate Change

    Edward A G Schuur, James G Bockheim et al.ARTICLEBioScience2008

    Thawing permafrost and the resulting microbial decomposition of previously frozen organic carbon (C) is one of the most significant potential feedbacks from terrestrial ecosystems to the atmosphere in a changing climate. In this article we present an overview of the global permafrost C pool and of the processes that might transfer this C into the atmosphere, as well as the associated ecosystem changes that occur with thawing. We show that account…

  • Role of Land-Surface Changes in Arctic Summer Warming

    Open AccessF Stuart Chapin, Matthew Sturm et al.ARTICLEScience2005

    A major challenge in predicting Earth's future climate state is to understand feedbacks that alter greenhouse-gas forcing. Here we synthesize field data from arctic Alaska, showing that terrestrial changes in summer albedo contribute substantially to recent high-latitude warming trends. Pronounced terrestrial summer warming in arctic Alaska correlates with a lengthening of the snow-free season that has increased atmospheric heating locally by abo…