Torben Christensen
Titel
Profesor
+0462223743
+0709563743
Torben [dot] Christensen [at] nateko [dot] lu [dot] se
Publikationer (hämtat ur Lunds universitets publikationsdatabas)
författare
- 2012
- An assessment of the carbon balance of Arctic tundra: comparisons among observations, process models, and atmospheric inversions
- Does canopy mean nitrogen concentration explain variation in canopy light use efficiency across 14 contrasting forest sites?
- Effects of drought conditions on the carbon dioxide dynamics in a temperate peatland
- Environmental Monitoring and Research in the Abisko Area — An Overview
- Future vegetation changes in thawing subarctic mires and implications for greenhouse gas exchange-a regional assessment
- High-resolution satellite data reveal an increase in peak growing season gross primary production in a high-Arctic wet tundra ecosystem 1992-2008
- Land-atmosphere exchange of methane from soil thawing to soil freezing in a high-Arctic wet tundra ecosystem
- Modeling GPP in the Nordic forest landscape with MODIS time series data : comparison with the MODIS GPP product
- Monitoring the Multi-Year Carbon Balance of a Subarctic Palsa Mire with Micrometeorological Techniques
- Net carbon accumulation of a high-latitude permafrost palsa mire similar to permafrost-free peatlands
- Post Scriptum: Wider Perspectives and the Legacy
- Presence of Eriophorum scheuchzeri enhances substrate availability and methane emission in an Arctic wetland
- The Man, the Myth, the Legend: Professor Terry V. Callaghan and His 3M Concept
- 2011
- Carbon partitioning in a wet and a semiwet subarctic mire ecosystem based on in situ C-14 pulse-labelling
- Multiple Effects of Changes in Arctic Snow Cover
- Past and present permafrost temperatures in the Abisko area: redrilling of boreholes.
- Plant and Vegetation Dynamics on Disko Island, West Greenland: Snapshots Separated by Over 40 Years
- Quantification of C uptake in subarctic birch forest after setback by an extreme insect outbreak
- 2010
- A new climate era in the sub-Arctic: Accelerating climate changes and multiple impacts
- Annual cycle of methane emission from a subarctic peatland
- Establishment of a cross-European field site network in the ALARM project for assessing large-scale changes in biodiversity
- Peatlands and Climate
- Quantifying the relative importance of lake emissions in the carbon budget of a subarctic catchment
- Risk of disappearing sub-arctic palsa mires in Europe
- The carbon budget of the northern cryosphere region
- Variability in exchange of CO2 across 12 northern peatland and tundra sites
- 2009
- Climate Science Patchy Peat
- Ecological Dynamics Across the Arctic Associated with Recent Climate Change
- Ecosystem responses to increased precipitation and permafrost decay in subarctic Sweden inferred from peat and lake sediments
- Effects of N and P fertilization on the greenhouse gas exchange in two northern peatlands with contrasting N deposition rates
- Sensitivity of the carbon cycle in the Arctic to climate change
- 2008
- Bimembrane diffusion probe for continuous recording of dissolved and entrapped bubble gas concentrations in peat
- Biotic, Abiotic, and Management Controls on the Net Ecosystem CO2 Exchange of European Mountain Grassland Ecosystems
- High Arctic soil CO2 and CH4 production controlled by temperature, water, freezing and snow
- Introduction
- Large tundra methane burst during onset of freezing.
- Leaf area index is the principal scaling parameter for both gross photosynthesis and ecosystem respiration of Northern deciduous and coniferous forests
- Modelling CH4 emissions from arctic wetlands: effects of hydrological parameterization
- Non-methane volatile organic compound flux from a subarctic mire in Northern Sweden
- Observations and status of peatland greenhouse gas emissions in Europe
- Sectoral approaches to improve regional carbon budgets
- Soil CO2 and CH4 Production Controlled by Temperatures, Water, Freezing and Snowmelt.
- Soil and Plant Community Characteristics and Dynamics at Zackenberg
- Spatial and interannual variability of trace gas fluxes in a heterogeneous High Arctic landscape
- Total hydrocarbon flux dynamics at a subarctic mire in northern Sweden
- Zackenberg in a circumpolar context
- 2007
- A catchment-scale carbon and greenhouse gas budget of a subartic landscape
- Ancient bacteria show evidence of DNA repair
- Annual CO2 balance of a temperate bog
- Below ground carbon turnover and greenhouse gas exchanges in a sub-arctic wetland subject to permafrost degradation.
- Below ground carbon turnover and greenhouse gas exchanges in a sub-arctic wetland.
- Environmental controls on the CO2 exchange in north Europea mires
- Greenhouse gas emissions from a constructed wetland in southern Sweden.
- Membrane probe array: Technique development and observation of CO2 and CH4 diurnal oscillations in peat profile
- Responses of high latitude ecosystems to global change: Potential consequences for the climate system
- Species-specific Effects of Vascular Plants on Carbon Turnover and Methane Emissions from a Subarctic Wetland
- 2006
- Climate and air quality
- Decadal vegetation changes in a northern peatland, greenhouse gas fluxes and net radiative forcing
- Greenhouse gas emissions from a constructed wetland in southern Sweden.
- Microbial activity in soils frozen to below-39 degrees C
- Polar Systems
- What determines the current presence or absence of permafrost in the Tornetrask region, a sub-arctic landscape in Northern Sweden?
- 2005
- 2004
- Biodiversity, distributions and adaptations of arctic species in the context of environmental change
- Carbon cycling in subarctic tundra; seasonal variation in ecosystem partitioning based on in situ 14C pulse-labelling
- Climate Change and UV-B Impacts on Arctic Tundra and Polar Desert Ecosystems: Key Findings and Extended Summaries
- Effects of changes in climate on landscape and regional processes, and feedbacks to the climate system
- Effects on the function of Arctic ecosystems in the short- and long-term perspectives
- Effects on the structure of arctic ecosystems in the short- and long-term perspectives
- Key findings and extended summaries
- Moisture effects on temperature sensitivity of CO2 exchange in a subarctic heath ecosystem
- Past changes in arctic terrestrial ecosystems, climate and UV radiation
- Rationale, concepts and approach to the assessment
- Response of ericoid mycorrhizal colonization and functioning to global change factors
- Responses to projected changes in climate and UV-B at the species level
- Root exudation: How plants in a nutrient poor peatland circumvent nutrient deficiency.
- Species composition in northern wetlands may influence greenhouse gas fluxes
- Synthesis of effects in four Arctic subregions
- Thawing sub-arctic permafrost: Effects on vegetation and methane emissions
- Uncertainties and recommendations
- 2003
- Biotic controls on CO2 and CH4 exchange in wetlands - a closed environment study
- Climate change and Arctic ecosystems: 1. Vegetation changes north of 55 degrees N between the last glacial maximum, mid-Holocene, and present
- Climate change and Arctic ecosystems: 2. Modeling, paleodata-model comparisons, and future projections
- Ecosystem partitioning of recent assimilates studying below-ground sources for atmospheric CO2 and CH4.
- Element interactions and trace gas exchange
- Factors controlling large scale variations in methane emissions from wetlands
- Human disruption of element interactions: drivers, consequences and trends for the 21st century
- Siberian wetlands: Where a sink is a source
- The effect of vascular plants on carbon turnover and methane emissions from a tundra wetland
- Vascular plant controls on carbon cycling and greenhouse gas fluxes in wetlands.
- 2002
- 2001
- 2000
- 1999
redaktör
- 2009
- 2008
- High Arctic Ecosystem Dynamics in a Changing Climate
- High Arctic soil CO2 and CH4 production controlled by temperature, water, freezing and snow
- Introduction
- Soil and Plant Community Characteristics and Dynamics at Zackenberg
- Spatial and interannual variability of trace gas fluxes in a heterogeneous High Arctic landscape
- Zackenberg in a circumpolar context
