RETRACTED ARTICLE: A 10 per cent increase in global land evapotranspiration from 2003 to 2019

Pascolini‐Campbell, Madeleine; Reager, J. T.; Chandanpurkar, H. A.; Rodell, Matthew

doi:10.1038/s41586-021-03503-5

Cited by 145 publications

(58 citation statements)

References 58 publications

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“…Increasing surface temperatures lead to an increased allocation of terrestrial precipitation to evapotranspiration rather than to runoff [54], a phenomenon that is highly applicable to drought variability in the Asian drylands. We used the Penman-Monteith equation to integrate the effects of thermal and dynamic factors such as temperature, solar and infrared radiation, humidity, and wind speed changes on evapotranspiration [4,37].…”

Section: Why Ssp126 Drought Intensity Exceeds That Of Ssp245mentioning

confidence: 99%

Projected Meteorological Drought over Asian Drylands under Different CMIP6 Scenarios

Chen

et al. 2021

Remote Sensing

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Asia currently has the world’s largest arid and semi-arid zones, so a timely assessment of future droughts in the Asian drylands is prudent, particularly in the context of recent frequent sandstorms. This paper assesses the duration, frequency, and intensity of drought events in the Asian drylands based on nine climate models of the Coupled Model Intercomparison Project Phase 6 (CMIP6). The results show that a high percentage of land area is experiencing significant drought intensification of 65.1%, 89.9%, and 99.8% under Shared Socioeconomic Pathways (SSP)126, SSP245, and SSP585 scenarios, respectively. Furthermore, the data indicate that future droughts will become less frequent but longer in duration and more intense, with even more severe future droughts predicted for northwest China and western parts of Uzbekistan and Kazakhstan. Drought durations of 10.8 months and 13.4 months are anticipated for the future periods of 2021–2060 and 2061–2100, respectively, compared to the duration of 6.6 months for the historical period (1960–2000). Meanwhile, drought intensity is expected to reach 1.37 and 1.66, respectively, for future events compared to 0.97 for the historical period. However, drought severity under SSP245 will be weaker than that under SSP126 due to the mitigating effect of precipitation. The results of this study can provide a basis for the development of adaptation measures in Asian dryland nations.

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Section: Why Ssp126 Drought Intensity Exceeds That Of Ssp245mentioning

confidence: 99%

Projected Meteorological Drought over Asian Drylands under Different CMIP6 Scenarios

Chen

et al. 2021

Remote Sensing

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“…Detection and attribution of ET changes are crucial to understanding the nature of changes in the global water cycle, which is found to intensify under global warming (Greve et al, 2014;Held & Soden, 2006;Pascolini-Campbell et al, 2021). Based on the eddy covariance observations and machine learning, Jung et al ( 2010) indicated an increasing ET over the globe during 1982-1998, but a decreasing trend during 1998-2008 owing to water supply limitations.…”

Section: Discussionmentioning

confidence: 99%

Contributions of Anthropogenic Forcings to Evapotranspiration Changes Over 1980–2020 Using GLEAM and CMIP6 Simulations

et al. 2021

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Anthropogenic impacts on terrestrial evapotranspiration (ET) changes during 1980–2020 were evaluated based on newly released observed‐based GLEAM ET and Coupled Model Intercomparison Project Phase 6 (CMIP6) through optional fingerprint method. Global assessments show that anthropogenic forcings dominate the increasing ET trend, other than natural forcing (NAT). On the global scale, anthropogenic forcings explain ∼84.2% of the observed ET trend, while the signal of natural forcing cannot be detected. Among anthropogenic forcings, greenhouse gases (GHG) are the primary driving factor for ET changes, and GHG‐only has already explained ∼78.8% of the observed ET trend. This study for the first time demonstrates that the GHG signal can be detected in the observed‐based ET and can be separable from NAT and aerosol (AER) signals. At the regional scale, CMIP6 simulations work well in North Hemisphere, but are deficient in South Hemisphere. GHG still dominates ET changes in the North Hemisphere, except for Europe, where the influence of AER forcing stands out, and attributable changes to AER is 2.4 times of GHG. Our first quantitative detection and attribution of ET contribute to advance the understanding of anthropogenic activities on hydrological cycle changes.

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“…The efficient and innovative use of these datasets for understanding hydrological processes in various climatic and vegetation regimes under anthropogenic influence has become an important challenge, which offers a wide range of research opportunities at the same time [2,3]. This is particularly urgent for the hydrological research community at large who has relied on both spatially distributed and lumped hydrological models for hydrological simulations/predictions over the last several decades [4]. The demand for increasingly accurate water information spatially distributed at high resolution requires a deeper understanding of the underlying processes and more skillful predictions, at resolutions that do not commensurate with the traditional hydrological data.…”

Section: Introductionmentioning

confidence: 99%

Using Remote Sensing Techniques to Improve Hydrological Predictions in a Rapidly Changing World

2021

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Remotely sensed geophysical datasets are being produced at increasingly fast rates to monitor various aspects of the Earth system in a rapidly changing world. The efficient and innovative use of these datasets to understand hydrological processes in various climatic and vegetation regimes under anthropogenic impacts has become an important challenge, but with a wide range of research opportunities. The ten contributions in this Special Issue have addressed the following four research topics: (1) Evapotranspiration estimation; (2) rainfall monitoring and prediction; (3) flood simulations and predictions; and (4) monitoring of ecohydrological processes using remote sensing techniques. Moreover, the authors have provided broader discussions, on how to make the most out of the state-of-the-art remote sensing techniques to improve hydrological model simulations and predictions, to enhance their skills in reproducing processes for the fast-changing world.

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RETRACTED ARTICLE: A 10 per cent increase in global land evapotranspiration from 2003 to 2019

Cited by 145 publications

References 58 publications

Projected Meteorological Drought over Asian Drylands under Different CMIP6 Scenarios

Projected Meteorological Drought over Asian Drylands under Different CMIP6 Scenarios

Contributions of Anthropogenic Forcings to Evapotranspiration Changes Over 1980–2020 Using GLEAM and CMIP6 Simulations

Using Remote Sensing Techniques to Improve Hydrological Predictions in a Rapidly Changing World

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