Global water use efficiency saturation due to increased vapor pressure deficit

F Li, J Xiao, J Chen, A Ballantyne, K Jin, B Li, M Abraha… - Science, 2023 - science.org
The ratio of carbon assimilation to water evapotranspiration (ET) of an ecosystem, referred to
as ecosystem water use efficiency (WUEeco), is widely expected to increase because of the …

Critical soil moisture thresholds of plant water stress in terrestrial ecosystems

Z Fu, P Ciais, AF Feldman, P Gentine, D Makowski… - Science …, 2022 - science.org
Plant water stress occurs at the point when soil moisture (SM) limits transpiration, defining a
critical SM threshold (θcrit). Knowledge of the spatial distribution of θcrit is crucial for future …

Exploring complex water stress–gross primary production relationships: Impact of climatic drivers, main effects, and interactive effects

H Wang, S Yan, P Ciais, JP Wigneron… - Global Change …, 2022 - Wiley Online Library
The dominance of vapor pressure deficit (VPD) and soil water content (SWC) for plant water
stress is still under debate. These two variables are strongly coupled and influenced by …

[HTML][HTML] Detection of vegetation drying signals using diurnal variation of land surface temperature: Application to the 2018 East Asia heatwave

Y Yamamoto, K Ichii, Y Ryu, M Kang… - Remote Sensing of …, 2023 - Elsevier
Satellite-based vegetation monitoring provides important insights regarding spatiotemporal
variations in vegetation growth from a regional to continental scale. Most current vegetation …

Thermography captures the differential sensitivity of dryland functional types to changes in rainfall event timing and magnitude

M Javadian, RL Scott, JA Biederman, F Zhang… - New …, 2023 - Wiley Online Library
Drylands of the southwestern United States are rapidly warming, and rainfall is becoming
less frequent and more intense, with major yet poorly understood implications for ecosystem …

[HTML][HTML] Uncertainty quantification in land surface temperature retrieved from Himawari-8/AHI data by operational algorithms

Y Yamamoto, K Ichii, Y Ryu, M Kang… - ISPRS Journal of …, 2022 - Elsevier
Abstract Himawari-8, a new-generation geostationary satellite, can retrieve sub-hourly land
surface temperatures (LSTs) with moderate spatial resolution, providing a new scale for …

Regulation of the global carbon and water cycles through vegetation structural and physiological dynamics

W Li, G Duveiller, S Wieneke, M Forkel… - Environmental …, 2024 - iopscience.iop.org
Vegetation plays an essential role in regulating carbon and water cycles, eg by taking up
atmospheric CO 2 through photosynthesis and by transferring soil water to the atmosphere …

Systematic underestimation of canopy conductance sensitivity to drought by Earth System Models

JK Green, Y Zhang, X Luo, TF Keenan - AGU Advances, 2024 - Wiley Online Library
The response of vegetation canopy conductance (gc) to changes in moisture availability (γ
gcm γ_gc^m) is a major source of uncertainty in climate projections. While vegetation …

[HTML][HTML] Using automated machine learning for the upscaling of gross primary productivity

M Gaber, Y Kang, G Schurgers, T Keenan - Biogeosciences, 2024 - bg.copernicus.org
Estimating gross primary productivity (GPP) over space and time is fundamental for
understanding the response of the terrestrial biosphere to climate change. Eddy covariance …

Soil and atmospheric drought explain the biophysical conductance responses in diagnostic and prognostic evaporation models over two contrasting European forest …

K Mallick, M Sulis… - Journal of …, 2024 - Wiley Online Library
Diagnosing and predicting evaporation through satellite‐based surface energy balance
(SEB) and land surface models (LSMs) faces challenges due to the non‐linear responses of …