Torben Christensen (Former)
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- 2022
-
Mark
Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems
(
- Contribution to journal › Article
- 2021
-
Mark
Multiple Ecosystem Effects of Extreme Weather Events in the Arctic
(
- Contribution to journal › Article
-
Mark
Statistical upscaling of ecosystem CO2 fluxes across the terrestrial tundra and boreal domain : Regional patterns and uncertainties
(
- Contribution to journal › Article
- 2020
-
Mark
Multi-year data-model evaluation reveals the importance of nutrient availability over climate in arctic ecosystem C dynamics
(
- Contribution to journal › Article
- 2019
-
Mark
Effects of active layer seasonal dynamics and plant phenology on CO2 land-atmosphere fluxes at polygonal tundra in the High Arctic, Svalbard
(
- Contribution to journal › Article
-
Mark
Tracing the climate signal : mitigation of anthropogenic methane emissions can outweigh a large Arctic natural emission increase
(
- Contribution to journal › Article
-
Mark
Ecosystem carbon response of an Arctic peatland to simulated permafrost thaw
(
- Contribution to journal › Article
-
Mark
Key indicators of Arctic climate change: 1971–2017
(
- Contribution to journal › Article
-
Mark
Evaluation of terrestrial pan-Arctic carbon cycling using a data-assimilation system
(
- Contribution to journal › Article
- 2018
-
Mark
Methane and global environmental change
(
- Contribution to journal › Scientific review
-
Mark
Plant Traits are Key Determinants in Buffering the Meteorological Sensitivity of Net Carbon Exchanges of Arctic Tundra
2018) In Journal of Geophysical Research - Biogeosciences(
- Contribution to journal › Article
- 2017
-
Mark
Exchange of CO2 in Arctic tundra : Impacts of meteorological variations and biological disturbance
(
- Contribution to journal › Article
-
Mark
Foreword : Synthesis of the Greenland Ecosystem Monitoring program
(
- Contribution to journal › Article
-
Mark
Postscript : The future of the Greenland Ecosystem Monitoring programme
(
- Contribution to journal › Article
-
Mark
Toward a statistical description of methane emissions from arctic wetlands
(
- Contribution to journal › Article
-
Mark
A synthesis of the arctic terrestrial and marine carbon cycles under pressure from a dwindling cryosphere
(
- Contribution to journal › Article
-
Mark
Spatial variability of CO2 uptake in polygonal tundra : Assessing low-frequency disturbances in eddy covariance flux estimates
(
- Contribution to journal › Article
-
Mark
A high arctic experience of uniting research and monitoring
(
- Contribution to journal › Article
-
Mark
Increased nitrous oxide emissions from Arctic peatlands after permafrost thaw
2017) In Proceedings of the National Academy of Sciences of the United States of America 114(24). p.6238-6243(
- Contribution to journal › Article
-
Mark
Degradation potentials of dissolved organic carbon (DOC) from thawed permafrost peat
(
- Contribution to journal › Article
- 2016
-
Mark
GIS-based Maps and Area Estimates of Northern Hemisphere Permafrost Extent during the Last Glacial Maximum
(
- Contribution to journal › Article
-
Mark
Is the subarctic landscape still a carbon sink? Evidence from a detailed catchment balance
(
- Contribution to journal › Article
-
Mark
Permafrost : It's a gas
(
- Contribution to journal › Article
-
Mark
Focus on the impact of climate change on wetland ecosystems and carbon dynamics
(
- Contribution to journal › Scientific review
-
Mark
Snowpack fluxes of methane and carbon dioxide from high Arctic tundra
(
- Contribution to journal › Article
-
Mark
Two years with extreme and little snowfall : Effects on energy partitioning and surface energy exchange in a high-Arctic tundra ecosystem
(
- Contribution to journal › Article
-
Mark
Calculations of automatic chamber flux measurements of methane and carbon dioxide using short time series of concentrations
(
- Contribution to journal › Article
-
Mark
Tundra permafrost thaw causes significant shifts in energy partitioning
(
- Contribution to journal › Article
- 2015
-
Mark
Methane emission bursts from permafrost environments during autumn freeze-in: New insights from ground-penetrating radar
(
- Contribution to journal › Article
-
Mark
Carbon budget estimation of a subarctic catchment using a dynamic ecosystem model at high spatial resolution
(
- Contribution to journal › Article
-
Mark
The uncertain climate footprint of wetlands under human pressure
(
- Contribution to journal › Article
-
Mark
Rising methane emissions from northern wetlands associated with sea ice decline
(
- Contribution to journal › Article
-
Mark
Large herbivore grazing affects the vegetation structure and greenhouse gas balance in a high arctic mire
(
- Contribution to journal › Article
-
Mark
Effect of permafrost thaw on labile dissolved organic carbon in a northern palsa mire
2015) ASLO 2015 Aquatic Sciences Meeting(
- Contribution to conference › Abstract
-
Mark
Controls of spatial and temporal variability in CH4 flux in a high arctic fen over three years
(
- Contribution to journal › Article
- 2014
-
Mark
CO2-induced terrestrial climate feedback mechanism: From carbon sink to aerosol source and back
(
- Contribution to journal › Article
-
Mark
Climate science: Understand Arctic methane variability
(
- Contribution to journal › Debate/Note/Editorial
-
Mark
Assessing the spatial variability in peak season CO2 exchange characteristics across the Arctic tundra using a light response curve parameterization
(
- Contribution to journal › Article
-
Mark
Increased photosynthesis compensates for shorter growing season in subarctic tundra - 8 years of snow accumulation manipulations
(
- Contribution to journal › Article
- 2013
-
Mark
Ecosystem change and stability over multiple decades in the Swedish subarctic: complex processes and multiple drivers
(
- Contribution to journal › Article
-
Mark
Rapid responses of permafrost and vegetation to experimentally increased snow cover in sub-arctic Sweden
(
- Contribution to journal › Article
-
Mark
Modelling of growing season methane fluxes in a high-Arctic wet tundra ecosystem 1997-2010 using in situ and high-resolution satellite data
(
- Contribution to journal › Article
-
Mark
Arctic: speed of methane release
(
- Contribution to journal › Letter
-
Mark
The impact of lower sea-ice extent on Arctic greenhouse-gas exchange
(
- Contribution to journal › Article
-
Mark
Revisiting factors controlling methane emissions from high-Arctic tundra
(
- Contribution to journal › Article
-
Mark
Expert assessment of vulnerability of permafrost carbon to climate change
(
- Contribution to journal › Article
- 2012
-
Mark
Post Scriptum: Wider Perspectives and the Legacy
(
- Contribution to journal › Debate/Note/Editorial
-
Mark
Monitoring the Multi-Year Carbon Balance of a Subarctic Palsa Mire with Micrometeorological Techniques
(
- Contribution to journal › Article
-
Mark
Does canopy mean nitrogen concentration explain variation in canopy light use efficiency across 14 contrasting forest sites?
(
- Contribution to journal › Article
-
Mark
Presence of Eriophorum scheuchzeri enhances substrate availability and methane emission in an Arctic wetland
(
- Contribution to journal › Article
-
Mark
Net carbon accumulation of a high-latitude permafrost palsa mire similar to permafrost-free peatlands
(
- Contribution to journal › Article
-
Mark
High-resolution satellite data reveal an increase in peak growing season gross primary production in a high-Arctic wet tundra ecosystem 1992-2008
(
- Contribution to journal › Article
-
Mark
Future vegetation changes in thawing subarctic mires and implications for greenhouse gas exchange-a regional assessment
(
- Contribution to journal › Article
-
Mark
The Man, the Myth, the Legend: Professor Terry V. Callaghan and His 3M Concept
(
- Contribution to journal › Article
-
Mark
Environmental Monitoring and Research in the Abisko Area — An Overview
(
- Contribution to journal › Article
-
Mark
Land-atmosphere exchange of methane from soil thawing to soil freezing in a high-Arctic wet tundra ecosystem
(
- Contribution to journal › Article
-
Mark
An assessment of the carbon balance of Arctic tundra: comparisons among observations, process models, and atmospheric inversions
(
- Contribution to journal › Article
-
Mark
Effects of drought conditions on the carbon dioxide dynamics in a temperate peatland
(
- Contribution to journal › Article
-
Mark
Modeling GPP in the Nordic forest landscape with MODIS time series data - comparison with the MODIS GPP product
(
- Contribution to journal › Article
- 2011
-
Mark
Multi-Decadal Changes in Tundra Environments and Ecosystems: Synthesis of the International Polar Year-Back to the Future Project (IPY-BTF)
(
- Contribution to journal › Article
-
Mark
Quantification of C uptake in subarctic birch forest after setback by an extreme insect outbreak
(
- Contribution to journal › Article
-
Mark
Carbon partitioning in a wet and a semiwet subarctic mire ecosystem based on in situ C-14 pulse-labelling
(
- Contribution to journal › Article
-
Mark
Multiple Effects of Changes in Arctic Snow Cover
(
- Contribution to journal › Article
-
Mark
Past and present permafrost temperatures in the Abisko area: redrilling of boreholes.
(
- Contribution to journal › Article
-
Mark
Plant and Vegetation Dynamics on Disko Island, West Greenland: Snapshots Separated by Over 40 Years
(
- Contribution to journal › Article
- 2010
-
Mark
The carbon budget of the northern cryosphere region
(
- Contribution to journal › Scientific review
-
Mark
Quantifying the relative importance of lake emissions in the carbon budget of a subarctic catchment
(
- Contribution to journal › Article
-
Mark
Establishment of a cross-European field site network in the ALARM project for assessing large-scale changes in biodiversity
(
- Contribution to journal › Article
-
Mark
Variability in exchange of CO2 across 12 northern peatland and tundra sites
(
- Contribution to journal › Article
-
Mark
Climate and Peatlands
2010) p.85-122(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Risk of disappearing sub-arctic palsa mires in Europe
2010) p.79-79(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
A new climate era in the sub-Arctic: Accelerating climate changes and multiple impacts
(
- Contribution to journal › Article
-
Mark
Annual cycle of methane emission from a subarctic peatland
(
- Contribution to journal › Article
- 2009
-
Mark
Effects of N and P fertilization on the greenhouse gas exchange in two northern peatlands with contrasting N deposition rates
(
- Contribution to journal › Article
-
Mark
Ecological Dynamics Across the Arctic Associated with Recent Climate Change
(
- Contribution to journal › Scientific review
-
Mark
Climate Science Patchy Peat
(
- Contribution to journal › Debate/Note/Editorial
-
Mark
Sensitivity of the carbon cycle in the Arctic to climate change
(
- Contribution to journal › Scientific review
-
Mark
Ecosystem responses to increased precipitation and permafrost decay in subarctic Sweden inferred from peat and lake sediments
(
- Contribution to journal › Article
- 2008
-
Mark
Large tundra methane burst during onset of freezing.
(
- Contribution to journal › Letter
-
Mark
Total hydrocarbon flux dynamics at a subarctic mire in northern Sweden
(
- Contribution to journal › Article
-
Mark
Bimembrane diffusion probe for continuous recording of dissolved and entrapped bubble gas concentrations in peat
(
- Contribution to journal › Article
-
Mark
Spatial and interannual variability of trace gas fluxes in a heterogeneous High Arctic landscape
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Introduction
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
High Arctic Ecosystem Dynamics in a Changing Climate
Meltofte, Hans ; Christensen, Torben LU ; Elberling, Bo ; Forchhammer, Mats and Rasch, Morten (2008) In Advances in Ecological Research
- Book/Report › Anthology (editor)
-
Mark
Soil CO2 and CH4 Production Controlled by Temperatures, Water, Freezing and Snowmelt.
2008)(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Observations and status of peatland greenhouse gas emissions in Europe
2008)(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Increasing Permafrost Temperatures in Subarctic Sweden
(
- Contribution to journal › Published meeting abstract
-
Mark
Sectoral approaches to improve regional carbon budgets
(
- Contribution to journal › Scientific review
-
Mark
Modelling CH4 emissions from arctic wetlands: effects of hydrological parameterization
(
- Contribution to journal › Article
-
Mark
High Arctic soil CO2 and CH4 production controlled by temperature, water, freezing and snow
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Non-methane volatile organic compound flux from a subarctic mire in Northern Sweden
(
- Contribution to journal › Article
-
Mark
Leaf area index is the principal scaling parameter for both gross photosynthesis and ecosystem respiration of Northern deciduous and coniferous forests
(
- Contribution to journal › Article
-
Mark
Soil and Plant Community Characteristics and Dynamics at Zackenberg
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Biotic, Abiotic, and Management Controls on the Net Ecosystem CO2 Exchange of European Mountain Grassland Ecosystems
(
- Contribution to journal › Article
-
Mark
Zackenberg in a circumpolar context
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Trace gas budgets of high arctic permafrost regions
(
- Contribution to journal › Published meeting abstract
- 2007
-
Mark
A catchment-scale carbon and greenhouse gas budget of a subartic landscape
2007) In Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Science 365(1856). p.1643-1656(
- Contribution to journal › Article
-
Mark
Membrane probe array: Technique development and observation of CO2 and CH4 diurnal oscillations in peat profile
(
- Contribution to journal › Article
-
Mark
Below ground carbon turnover and greenhouse gas exchanges in a sub-arctic wetland.
(
- Contribution to journal › Article
-
Mark
Ancient bacteria show evidence of DNA repair
(
- Contribution to journal › Article
-
Mark
Annual CO2 balance of a temperate bog
(
- Contribution to journal › Article
-
Mark
Environmental controls on the CO2 exchange in north Europea mires
(
- Contribution to journal › Article
-
Mark
Responses of high latitude ecosystems to global change: Potential consequences for the climate system
2007) p.297-310(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Greenhouse gas emissions from a constructed wetland in southern Sweden.
(
- Contribution to journal › Article
-
Mark
Species-specific Effects of Vascular Plants on Carbon Turnover and Methane Emissions from a Subarctic Wetland
2007) American Geophysical Union Fall meeting(
- Contribution to conference › Paper, not in proceeding
-
Mark
Below ground carbon turnover and greenhouse gas exchanges in a sub-arctic wetland subject to permafrost degradation.
2007) European Geosciences Union general assembly, 2007(
- Contribution to conference › Paper, not in proceeding
- 2006
-
Mark
Decadal vegetation changes in a northern peatland, greenhouse gas fluxes and net radiative forcing
(
- Contribution to journal › Article
-
Mark
What determines the current presence or absence of permafrost in the Tornetrask region, a sub-arctic landscape in Northern Sweden?
(
- Contribution to journal › Article
-
Mark
Microbial activity in soils frozen to below-39 degrees C
(
- Contribution to journal › Article
-
Mark
Polar Systems
2006) 1.(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Climate and air quality
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Greenhouse gas emissions from a constructed wetland in southern Sweden.
2006) 5th European Conference on ecological restoration(
- Contribution to conference › Paper, not in proceeding
- 2005
-
Mark
Vegetation, climatic changes and net carbon sequestration in a North-Scandinavian subarctic mire over 30 years
(
- Contribution to journal › Article
-
Mark
Species-specific effects of vascular plants on carbon turnover and methane emissions from wetlands
(
- Contribution to journal › Article
-
Mark
Arctic tundra and Polar Desert Ecosystems
2005)(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Wetlands and methane emission
2005) p.1905-1908(
- Chapter in Book/Report/Conference proceeding › Book chapter
- 2004
-
Mark
Response of ericoid mycorrhizal colonization and functioning to global change factors
(
- Contribution to journal › Article
-
Mark
Moisture effects on temperature sensitivity of CO2 exchange in a subarctic heath ecosystem
(
- Contribution to journal › Article
-
Mark
Past changes in arctic terrestrial ecosystems, climate and UV radiation
(
- Contribution to journal › Article
-
Mark
Climate Change and UV-B Impacts on Arctic Tundra and Polar Desert Ecosystems: Key Findings and Extended Summaries
(
- Contribution to journal › Article
-
Mark
Thawing sub-arctic permafrost: Effects on vegetation and methane emissions
(
- Contribution to journal › Article
-
Mark
Uncertainties and recommendations
(
- Contribution to journal › Article
-
Mark
Rationale, concepts and approach to the assessment
(
- Contribution to journal › Article
-
Mark
Carbon cycling in subarctic tundra; seasonal variation in ecosystem partitioning based on in situ 14C pulse-labelling
(
- Contribution to journal › Article
-
Mark
Synthesis of effects in four Arctic subregions
(
- Contribution to journal › Article
-
Mark
Key findings and extended summaries
(
- Contribution to journal › Article
-
Mark
Responses to projected changes in climate and UV-B at the species level
(
- Contribution to journal › Scientific review
-
Mark
Effects on the function of arctic ecosystems in the short- and long-term perspectives
(
- Contribution to journal › Article
-
Mark
Effects on the structure of arctic ecosystems in the short- and long-term perspectives
(
- Contribution to journal › Scientific review
-
Mark
Biodiversity, distributions and adaptations of arctic species in the context of environmental change
(
- Contribution to journal › Scientific review
-
Mark
Species composition in northern wetlands may influence greenhouse gas fluxes
(
- Contribution to specialist publication or newspaper › Specialist publication article
-
Mark
Effects of changes in climate on landscape and regional processes, and feedbacks to the climate system
(
- Contribution to journal › Scientific review
-
Mark
Root exudation: How plants in a nutrient poor peatland circumvent nutrient deficiency.
2004) The Rhizosphere congress(
- Contribution to conference › Paper, not in proceeding
- 2003
-
Mark
Climate change and Arctic ecosystems: 1. Vegetation changes north of 55 degrees N between the last glacial maximum, mid-Holocene, and present
(
- Contribution to journal › Scientific review
-
Mark
Factors controlling large scale variations in methane emissions from wetlands
(
- Contribution to journal › Article
-
Mark
Siberian wetlands: Where a sink is a source
(
- Contribution to journal › Article
-
Mark
Climate change and Arctic ecosystems: 2. Modeling, paleodata-model comparisons, and future projections
(
- Contribution to journal › Scientific review
-
Mark
Human disruption of element interactions: drivers, consequences and trends for the 21st century
2003) SCOPE 61.(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Element interactions and trace gas exchange
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Vascular plant controls on carbon cycling and greenhouse gas fluxes in wetlands.
2003) EGS-AGU-EUG joint assembly, 2003(
- Contribution to conference › Paper, not in proceeding
-
Mark
The effect of vascular plants on carbon turnover and methane emissions from a tundra wetland
(
- Contribution to journal › Article
-
Mark
Biotic controls on CO2 and CH4 exchange in wetlands - a closed environment study
(
- Contribution to journal › Article
-
Mark
Ecosystem partitioning of recent assimilates studying below-ground sources for atmospheric CO2 and CH4.
2003) EGS-AGU-EUG joint assembly, 2003(
- Contribution to conference › Paper, not in proceeding
- 2002
-
Mark
Climate feedbacks at the tundra-taiga interface
(
- Contribution to journal › Article
- 2001
-
Mark
Methane emissions from wetlands and their relationship with vascular plants: an Arctic example
(
- Contribution to journal › Article
- 2000
-
Mark
Trace gas exchange in a high-arctic valley 3. Integrating and scaling CO2 fluxes from canopy to landscape using flux data, footprint modeling, and remote sensing
(
- Contribution to journal › Article
-
Mark
Trace gas exchange in a high-arctic valley 1. Variations in CO2 and CH4 flux between tundra vegetation types
(
- Contribution to journal › Article
- 1999
-
Mark
Vascular plant controls on methane emissions from northern peatforming wetlands
(
- Contribution to journal › Article
-
Mark
Influence of vascular plant photosynthetic rate on CH4 emission from peat monoliths from southern boreal Sweden
(
- Contribution to journal › Article