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The FLUXCOM ensemble of global land-atmosphere energy fluxes
2019
Scientific Data
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Although a key driver of Earth's climate system, global land-atmosphere energy fluxes are poorly constrained. ...
FLUXCOM products are suitable to quantify global land-atmosphere interactions and benchmark land surface model simulations. ...
This, in turn, will lead to improvements of global estimation of land-atmosphere energy fluxes by data-driven and process models. ...
doi:10.1038/s41597-019-0076-8
pmid:31133670
pmcid:PMC6536554
fatcat:cxhku7zl6bgxderjmhnglvsiqi
The FLUXCOM ensemble of global land-atmosphere energy fluxes
[article]
2018
arXiv
pre-print
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Although a key driver of Earth's climate system, global land-atmosphere energy fluxes are poorly constrained. ...
FLUXCOM products are suitable to quantify global land-atmosphere interactions and benchmark land surface model simulations. ...
This, in turn, will lead to improvements of global estimation of land-atmosphere energy fluxes by datadriven and process models. ...
arXiv:1812.04951v1
fatcat:paj75wkzgrhknlmyqwhsb5oybi
Scaling carbon fluxes from eddy covariance sites to globe: synthesis and evaluation of the FLUXCOM approach
2020
Biogeosciences
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Spatial patterns of mean GPP are consistent across FLUXCOM and DGVM ensembles (R2>0.94 at 1∘ spatial resolution) while the majority of DGVMs show, for 70 % of the land surface, values outside the FLUXCOM ...
FLUXNET comprises globally distributed eddy-covariance-based estimates of carbon fluxes between the biosphere and the atmosphere. ...
We would like to thank Ana Bastos for input on an earlier version of the manuscript. Review statement. This paper was edited by Paul Stoy and reviewed by two anonymous referees. ...
doi:10.5194/bg-17-1343-2020
fatcat:3noquosaonhczlgv762bj4vrem
Impacts of extreme summers on European ecosystems: a comparative analysis of 2003, 2010 and 2018
2020
Philosophical Transactions of the Royal Society of London. Biological Sciences
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In this study, we perform a comparative analysis of the impact of the DH events on ecosystem CO 2 fluxes over Europe based on an ensemble of 11 dynamic global vegetation models (DGVMs), and the observation-based ...
We find that all DH events were associated with decreases in net ecosystem productivity (NEP), but the gross summer flux anomalies differ between DGVMs and FLUXCOM. ...
The work was informally supported by the ICOS infrastructure. A.K.J. thanks S. Shu and E. Choi for their help in completing the ISAM model simulations. A.B. thanks J. ...
doi:10.1098/rstb.2019.0507
pmid:32892728
fatcat:2sazdsihijdjlh6xiaga4zt7ue
Evaluation of CMIP6 global climate models for simulating land surface energy and water fluxes during 1979–2014
2021
Journal of Advances in Modeling Earth Systems
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Martin Jung from the Max Planck Institute for Biogeochemistry for his help with our questions on the uncertainties in MTE and FLUXCOM. ...
This work was jointly supported by the National Key R&D Program of China (Grant Nos. 2018YFC1507003 and 2017YFC1404000), the National Natural Science Foundation for Young Scientists of China (Grant No. ...
Results
Overview of Global Mean Surface Fluxes Figure 2 compared the global annual energy and water fluxes over land during 1979-2014 with multiple reference data sets. ...
doi:10.1029/2021ms002515
fatcat:ckduhh2rtjfuvjwcnop6yn2laa
Improving CLM5.0 Biomass and Carbon Exchange across the Western US Using a Data Assimilation System
2021
Journal of Advances in Modeling Earth Systems
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Acknowledgments This research was supported by the NASA CMS Program (awards NNX16A-P33G and 80NSSC20K0010). CESM is sponsored by the National Science Foundation and the U.S. Department of Energy. ...
The authors would like to thank the Center for High-Performance Computing at the University of Utah. ...
Atmospheric inversions rely on an observation network of atmospheric CO 2 , and infer the land-atmospheric carbon flux using atmospheric transport models. ...
doi:10.1029/2020ms002421
fatcat:cafs4mgiazgffojjmultlnror4
Relative humidity gradients as a key constraint on terrestrial water and energy fluxes
2021
Hydrology and Earth System Sciences
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The new model expresses the latent heat flux as a combination of thermodynamic processes in the atmospheric surface layer. ...
This equilibrium allows for accurate evaporation estimates using only the atmospheric state and radiative energy, regardless of land surface conditions and vegetation controls. ...
We also thank Martin Jung, the principal investigator of the FLUXCOM dataset. ...
doi:10.5194/hess-25-5175-2021
fatcat:377wr4sp7zhtrgydaunehy74ci
Maximum carbon uptake rate dominates the interannual variability of global net ecosystem exchange
2019
Global Change Biology
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This study provides a new perspective on the proximate causes of the IAV of NEE, which suggest that capturing the variability of MCU is critical for modeling the IAV of NEE across most of the global land ...
Terrestrial ecosystems contribute most of the interannual variability (IAV) in atmospheric carbon dioxide (CO2 ) concentrations, but processes driving the IAV of net ecosystem CO2 exchange (NEE) remain ...
C fluxes and atmospheric CO 2 growth rate. ...
doi:10.1111/gcb.14731
pmid:31197940
fatcat:ronldivivndsfoy4bs4jduviya
Robust historical evapotranspiration trends across climate regimes
2021
Hydrology and Earth System Sciences
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Evapotranspiration (ET) links the hydrological, energy and carbon cycles on the land surface. ...
After demonstrating the efficacy of these uncertainty estimates with out-of-sample testing, we derive novel ET climatology clusters for the land surface, based on the magnitude and variability of ET at ...
derived by merging three global datasets and then adjusted by enforcing the physical constraints of the surface and atmospheric water and energy budgets. ...
doi:10.5194/hess-25-3855-2021
fatcat:a4tz6exyffcapgfuhjogf4s6mm
Increasing terrestrial ecosystem carbon release in response to autumn cooling and warming
2022
Nature Climate Change
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Here, we show that autumn cooling has occurred over about half of the area north of 25° N since 2004, producing a weak cooling trend over the period 2004–2018. ...
AbstractPart of the Northern Hemisphere has experienced widespread autumn cooling during the most recent decades despite overall warming, but how this contrasting temperature change has influenced the ...
It provides estimates of global energy and carbon fluxes (http:// www.fluxcom.org/). ...
doi:10.1038/s41558-022-01304-w
fatcat:peqgspiodveqvi35cu4x73zxj4
Modeling the short-term fire effects on vegetation dynamics and surface energy in southern Africa using the improved SSiB4/TRIFFID-Fire model
2021
Geoscientific Model Development
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Fire causes abrupt changes in vegetation properties and modifies flux exchanges between land and atmosphere at subseasonal to seasonal scales. ...
Surface temperature is increased by as much as 0.33 K due to the decrease of sensible heat fluxes, and the warming would be enhanced when the surface-darkening effect is incorporated. ...
The authors acknowledge ...
doi:10.5194/gmd-14-7639-2021
fatcat:jvpxjqzc6farpd5b7a24wnddsi
VODCA2GPP – a new, global, long-term (1988–2020) gross primary production dataset from microwave remote sensing
2022
Earth System Science Data
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(MODIS), FLUXCOM, and the TRENDY-v7 process-based model ensemble. ...
For the shorter overlapping observation period (2003–2015) of VODCA2GPP, MODIS, and the TRENDY-v7 ensemble, significant increases in global GPP were found. ...
FLUXNET (Pastorello et al., 2020) is the global network of flux towers covering all major biomes and provides the scientific community with harmonized and well-documented flux observations. ...
doi:10.5194/essd-14-1063-2022
fatcat:rxunt3ux7nbkpiexw5675ze2ry
On what scales can GOSAT flux inversions constrain anomalies in terrestrial ecosystems?
2019
Atmospheric Chemistry and Physics Discussions
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Strong agreement is found in the timing of anomalies in the GOSAT flux inversions with soil temperature and FLUXCOM. ...
However, in both the tropics and northern extratropics, the agreement between the inversions and the proxies/FLUXCOM is sensitive to the flux inversion configuration. ...
It employs the ensemble Kalman filter approach to assimilate CO 2 with atmospheric chemical transport simulated by the TM5 offline atmospheric model (Krol et al., 2005) . ...
doi:10.5194/acp-2018-909
fatcat:vt4hnzpxmvd4faqpgr6grhk2xe
Estimating the net ecosystem exchange at global FLUXNET sites using a random forest model
2021
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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The RF-estimated NEE showed better relationships with the tower-measured NEE than a global NEE product from FLUXCOM across all PFTs. ...
This study indicates the importance of considering the influence of water-related variables and Rs in the estimation of NEE at the global scale. ...
to produce spatial maps of carbon dioxide and energy fluxes [3, 4, 13] . ...
doi:10.1109/jstars.2021.3114190
fatcat:4bhgvphsgrbrdhxamfvpz3guui
The Joint Assimilation of Remotely Sensed Leaf Area Index and Surface Soil Moisture into a Land Surface Model
2022
Remote Sensing
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anomaly correlation coefficients against a set of independent validation datasets (i.e., Global Land Evaporation Amsterdam Model, FLUXCOM, and International Soil Moisture Network). ...
This work tests the hypothesis that jointly assimilating satellite observations of leaf area index and surface soil moisture into a land surface model improves the estimation of land vegetation and water ...
Further inquiries can be directed to the corresponding authors.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs14030437
fatcat:utwyppvur5hf5chbwkhv5toaei
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