List of works - Oliver Sonnentag

A Synthesis of Three Decades of Eco-Hydrological Research at Scotty Creek, NWT, Canada

article

A spatially explicit hydro-ecological modeling framework (BEPS-TerrainLab V2.0): Model description and test in a boreal ecosystem in Eastern North America

scientific article published in April 2009

A synthesis of three decades of hydrological research at Scotty Creek, NWT, Canada

article by William Quinton et al published 24 April 2019 in Hydrology and Earth System Sciences

A thirst for snowmelt? Tree water use in spring

conference paper presented at EGU22

Analysis of L-Band brightness temperatures response to freeze/thaw in two prairie environments from surface-based radiometer measurements

Ancillary vegetation measurements at ICOS ecosystem stations

Australian vegetation phenology: new insights from satellite remote sensing and digital repeat photography

article

Author Correction: Large loss of CO2 in winter observed across the northern permafrost region

correction of a scholarly article

Boreal tree hydrodynamics: asynchronous, diverging, yet complementary

CO2fluxes at northern fens and bogs have opposite responses to inter-annual fluctuations in water table

article

Causality Guided Machine Learning Model on Wetland Ch4 Emissions Across Global Wetlands

scientific article published in 2022

Causality guided machine learning model on wetland CH4 emissions across global wetlands

scientific article published in 2022

Climate change, phenology, and phenological control of vegetation feedbacks to the climate system

scholarly article by Andrew D. Richardson et al published February 2013 in Agricultural and Forest Meteorology

Climate‐change refugia in boreal North America: what, where, and for how long?

article by Diana Stralberg et al published June 2020 in Frontiers in Ecology and the Environment

Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras

scientific article published in 2012

Convergence of potential net ecosystem production among contrasting C3 grasslands

scientific article

Digital repeat photography for phenological research in forest ecosystems

article

Direct and indirect climate change effects on carbon dioxide fluxes in a thawing boreal forest-wetland landscape

scientific article

Disturbances in North American boreal forest and Arctic tundra: impacts, interactions, and responses

scientific article published on 20 October 2022

Drought Influences the Accuracy of Simulated Ecosystem Fluxes: A Model-Data Meta-analysis for Mediterranean Oak Woodlands

article

Ecological impacts of a widespread frost event following early spring leaf-out

article

Effects of Warming and Permafrost Thaw on Carbon Dioxide Fluxes from Boreal Peatlands in northwestern Canada

conference paper presented at EGU22

Effects of Warming, Wildfire, and Permafrost Thaw on Carbon Dioxide Fluxes from Boreal Peat Landscapes in northwestern Canada

conference paper presented at EGU22

Effects of lateral hydrological processes on photosynthesis and evapotranspiration in a boreal ecosystem

scientific article

Estimating carbon dioxide exchange rates at contrasting northern peatlands using MODIS satellite data

article

Expert assessment of future vulnerability of the global peatland carbon sink

scientific article

Extensive land cover change across Arctic-Boreal Northwestern North America from disturbance and climate forcing

scientific article published on 17 September 2019

FLUXNET-CH4: a global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands

scientific article

Four decades increase in gross photosynthesis of boreal forests balanced out by increase in ecosystem respiration

scientific article published on 22 December 2022

Gap-filling eddy covariance methane fluxes: Comparison of machine learning model predictions and uncertainties at FLUXNET-CH4 wetlands

scientific article

Greenhouse gas (CO2, CH4, H2O) fluxes from drained and flooded agricultural peatlands in the Sacramento-San Joaquin Delta

Greenness indices from digital cameras predict the timing and seasonal dynamics of canopy-scale photosynthesis

scientific article published on January 2015

How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach

article

Hydrology of peat estimated from near-surface water contents

scientific article published in 2022

Increased high-latitude photosynthetic carbon gain offset by respiration carbon loss during an anomalous warm winter to spring transition

scientific article published on 06 November 2019

Increases in aboveground biomass and leaf area 85 years after drainage in a bog

scientific article published in 2014

Increasing contribution of peatlands to boreal evapotranspiration in a warming climate

scientific article

Influence of Holocene permafrost aggradation and thaw on the paleoecology and carbon storage of a peatland complex in northwestern Canada

article

Is the Northern Permafrost Zone a Source or a Sink for Carbon?

scientific article

Is the spherical leaf inclination angle distribution a valid assumption for temperate and boreal broadleaf tree species?

scientific article published on 29 November 2012

L-band vegetation optical depth as an indicator of plant water potential in a temperate deciduous forest stand

scientific article published in 2021

Large loss of CO in winter observed across the northern permafrost region

scientific article published in November 2019

Linking near-surface and satellite remote sensing measurements of deciduous broadleaf forest phenology

article by Koen Hufkens et al published February 2012 in Remote Sensing of Environment

Minor contribution of overstorey transpiration to landscape evapotranspiration in boreal permafrost peatlands

scientific article

Missing pieces to modeling the Arctic-Boreal puzzle

Modeled production, oxidation, and transport processes of wetland methane emissions in temperate, boreal, and Arctic regions

scientific article published on 19 January 2023

Monthly Gridded Data Product of Northern Wetland Methane Emissions Based on Upscaling Eddy Covariance Observations

Monthly gridded data product of northern wetland methane emissions based on upscaling eddy covariance observations

scientific article

NDVI derived from near-infrared-enabled digital cameras: Applicability across different plant functional types

article

Nitrous Oxide Fluxes in Permafrost Peatlands Remain Negligible After Wildfire and Thermokarst Disturbance

scientific article published in 2023

Nitrous oxide emissions from permafrost-affected soils

scientific article published on 07 July 2020

No beating around the bush: the impact of projected high-latitude vegetation transitions on soil and ecosystem respiration

scientific article published on 22 June 2020

Peatland vegetation composition and phenology drive the seasonal trajectory of maximum gross primary production.

scientific article published on 22 May 2018

Permafrost Landscape History Shapes Fluvial Chemistry, Ecosystem Carbon Balance, and Potential Trajectories of Future Change

scientific article published in 2022

Proximal remote sensing of tree physiology at northern treeline: Do late-season changes in the photochemical reflectance index (PRI) respond to climate or photoperiod?

scientific article published in 2019

Quantification of uncertainties in conifer sap flow measured with the thermal dissipation method

scientific article published on 04 June 2018

Range shifts in a foundation sedge potentially induce large Arctic ecosystem carbon losses and gains

scientific article published on 22 March 2022

Refining the role of phenology in regulating gross ecosystem productivity across European peatlands

scientific article published on 03 December 2019

Regional atmospheric cooling and wetting effect of permafrost thaw-induced boreal forest loss

scientific article

Representativeness of Eddy-Covariance flux footprints for areas surrounding AmeriFlux sites

scientific article published in May 2021

Reviews and syntheses: Australian vegetation phenology: new insights from satellite remote sensing and digital repeat photography

article

Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions

scholarly article by Michael M Loranty et al published 31 August 2018 in Biogeosciences

Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions

scientific article published on 7 May 2018

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

scientific article

Snowmelt Water Use at Transpiration Onset: Phenology, Isotope Tracing, and Tree Water Transit Time

scientific article published in September 2022

Soil respiration strongly offsets carbon uptake in Alaska and Northwest Canada

scientific article published in August 2021

Spatial Variability of L-Band Brightness Temperature during Freeze/Thaw Events over a Prairie Environment

Spatial and temporal variation in forest transpiration across a forested boreal peatland complex

scientific article published in February 2023

Spatial variability in tropical forest leaf area density from multireturn lidar and modeling

scientific article

Statistical upscaling of ecosystem CO 2 fluxes across the terrestrial tundra and boreal domain: Regional patterns and uncertainties

scientific article

Substantial hysteresis in emergent temperature sensitivity of global wetland CH4 emissions

scientific article

Testing the performance of a novel spectral reflectance sensor, built with light emitting diodes (LEDs), to monitor ecosystem metabolism, structure and function

scientific article published in 2010

The ABCflux database: Arctic-Boreal CO<sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems

The ABCflux database: Arctic–boreal CO<sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems

scientific article published on 21 January 2022

The Boreal-Arctic Wetland and Lake Dataset (BAWLD)

The Boreal–Arctic Wetland and Lake Dataset (BAWLD)

scientific article

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

scientific article

The challenges of measuring methane fluxes and concentrations over a peatland pasture

scholarly article

The implications of permafrost thaw and land cover change on snow water equivalent accumulation, melt and runoff in discontinuous permafrost peatlands

scientific article published in 2021

The positive net radiative greenhouse gas forcing of increasing methane emissions from a thawing boreal forest-wetland landscape

scientific article

Thermodynamic basis for the demarcation of Arctic and alpine treelines

scientific article published in 2022

Towards long-term standardised carbon and greenhouse gas observations for monitoring Europe’s terrestrial ecosystems: a review

Tower‐Based Remote Sensing Reveals Mechanisms Behind a Two‐phased Spring Transition in a Mixed‐Species Boreal Forest

scientific article published in 2021

Tundra shrub expansion may amplify permafrost thaw by advancing snowmelt timing

scientific article published on 22 August 2019

Using digital repeat photography and eddy covariance data to model grassland phenology and photosynthetic CO2 uptake

scholarly article by Mirco Migliavacca et al published October 2011 in Agricultural and Forest Meteorology

Using phenocams to monitor our changing Earth: toward a global phenocam network

scientific article published in 2016

Variations of leaf inclination angle distribution with height over the growing season and light exposure for eight broadleaf tree species

scientific article published on 06 August 2015

What explains the year-to-year variation in growing season timing of boreal black spruce forests?

scientific article published in 2022

List of works by Oliver Sonnentag

A Synthesis of Three Decades of Eco-Hydrological Research at Scotty Creek, NWT, Canada

A spatially explicit hydro-ecological modeling framework (BEPS-TerrainLab V2.0): Model description and test in a boreal ecosystem in Eastern North America

A synthesis of three decades of hydrological research at Scotty Creek, NWT, Canada

A thirst for snowmelt? Tree water use in spring

Analysis of L-Band brightness temperatures response to freeze/thaw in two prairie environments from surface-based radiometer measurements

Ancillary vegetation measurements at ICOS ecosystem stations

Australian vegetation phenology: new insights from satellite remote sensing and digital repeat photography

Author Correction: Large loss of CO2 in winter observed across the northern permafrost region

Boreal tree hydrodynamics: asynchronous, diverging, yet complementary

CO2fluxes at northern fens and bogs have opposite responses to inter-annual fluctuations in water table

Causality Guided Machine Learning Model on Wetland Ch4 Emissions Across Global Wetlands

Causality guided machine learning model on wetland CH4 emissions across global wetlands

Climate change, phenology, and phenological control of vegetation feedbacks to the climate system

Climate‐change refugia in boreal North America: what, where, and for how long?

Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras

Convergence of potential net ecosystem production among contrasting C3 grasslands

Digital repeat photography for phenological research in forest ecosystems

Direct and indirect climate change effects on carbon dioxide fluxes in a thawing boreal forest-wetland landscape

Disturbances in North American boreal forest and Arctic tundra: impacts, interactions, and responses

Drought Influences the Accuracy of Simulated Ecosystem Fluxes: A Model-Data Meta-analysis for Mediterranean Oak Woodlands

Ecological impacts of a widespread frost event following early spring leaf-out

Effects of Warming and Permafrost Thaw on Carbon Dioxide Fluxes from Boreal Peatlands in northwestern Canada

Effects of Warming, Wildfire, and Permafrost Thaw on Carbon Dioxide Fluxes from Boreal Peat Landscapes in northwestern Canada

Effects of lateral hydrological processes on photosynthesis and evapotranspiration in a boreal ecosystem

Estimating carbon dioxide exchange rates at contrasting northern peatlands using MODIS satellite data

Expert assessment of future vulnerability of the global peatland carbon sink

Extensive land cover change across Arctic-Boreal Northwestern North America from disturbance and climate forcing

FLUXNET-CH4: a global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands

Four decades increase in gross photosynthesis of boreal forests balanced out by increase in ecosystem respiration

Gap-filling eddy covariance methane fluxes: Comparison of machine learning model predictions and uncertainties at FLUXNET-CH4 wetlands

Greenhouse gas (CO2, CH4, H2O) fluxes from drained and flooded agricultural peatlands in the Sacramento-San Joaquin Delta

Greenness indices from digital cameras predict the timing and seasonal dynamics of canopy-scale photosynthesis

How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach

Hydrology of peat estimated from near-surface water contents

Increased high-latitude photosynthetic carbon gain offset by respiration carbon loss during an anomalous warm winter to spring transition

Increases in aboveground biomass and leaf area 85 years after drainage in a bog

Increasing contribution of peatlands to boreal evapotranspiration in a warming climate

Influence of Holocene permafrost aggradation and thaw on the paleoecology and carbon storage of a peatland complex in northwestern Canada

Is the Northern Permafrost Zone a Source or a Sink for Carbon?

Is the spherical leaf inclination angle distribution a valid assumption for temperate and boreal broadleaf tree species?

L-band vegetation optical depth as an indicator of plant water potential in a temperate deciduous forest stand

Large loss of CO in winter observed across the northern permafrost region

Linking near-surface and satellite remote sensing measurements of deciduous broadleaf forest phenology

Minor contribution of overstorey transpiration to landscape evapotranspiration in boreal permafrost peatlands

Missing pieces to modeling the Arctic-Boreal puzzle

Modeled production, oxidation, and transport processes of wetland methane emissions in temperate, boreal, and Arctic regions

Monthly Gridded Data Product of Northern Wetland Methane Emissions Based on Upscaling Eddy Covariance Observations

Monthly gridded data product of northern wetland methane emissions based on upscaling eddy covariance observations

NDVI derived from near-infrared-enabled digital cameras: Applicability across different plant functional types

Nitrous Oxide Fluxes in Permafrost Peatlands Remain Negligible After Wildfire and Thermokarst Disturbance

Nitrous oxide emissions from permafrost-affected soils

No beating around the bush: the impact of projected high-latitude vegetation transitions on soil and ecosystem respiration

Peatland vegetation composition and phenology drive the seasonal trajectory of maximum gross primary production.

Permafrost Landscape History Shapes Fluvial Chemistry, Ecosystem Carbon Balance, and Potential Trajectories of Future Change

Proximal remote sensing of tree physiology at northern treeline: Do late-season changes in the photochemical reflectance index (PRI) respond to climate or photoperiod?

Quantification of uncertainties in conifer sap flow measured with the thermal dissipation method

Range shifts in a foundation sedge potentially induce large Arctic ecosystem carbon losses and gains

Refining the role of phenology in regulating gross ecosystem productivity across European peatlands

Regional atmospheric cooling and wetting effect of permafrost thaw-induced boreal forest loss

Representativeness of Eddy-Covariance flux footprints for areas surrounding AmeriFlux sites

Reviews and syntheses: Australian vegetation phenology: new insights from satellite remote sensing and digital repeat photography

Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions

Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions

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

Snowmelt Water Use at Transpiration Onset: Phenology, Isotope Tracing, and Tree Water Transit Time

Soil respiration strongly offsets carbon uptake in Alaska and Northwest Canada

Spatial Variability of L-Band Brightness Temperature during Freeze/Thaw Events over a Prairie Environment

Spatial and temporal variation in forest transpiration across a forested boreal peatland complex

Spatial variability in tropical forest leaf area density from multireturn lidar and modeling

Statistical upscaling of ecosystem CO 2 fluxes across the terrestrial tundra and boreal domain: Regional patterns and uncertainties

Substantial hysteresis in emergent temperature sensitivity of global wetland CH4 emissions

Testing the performance of a novel spectral reflectance sensor, built with light emitting diodes (LEDs), to monitor ecosystem metabolism, structure and function

The ABCflux database: Arctic-Boreal CO<sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems

The ABCflux database: Arctic–boreal CO<sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems

The Boreal-Arctic Wetland and Lake Dataset (BAWLD)

The Boreal–Arctic Wetland and Lake Dataset (BAWLD)

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

The challenges of measuring methane fluxes and concentrations over a peatland pasture

The implications of permafrost thaw and land cover change on snow water equivalent accumulation, melt and runoff in discontinuous permafrost peatlands