Assessing the feedback relationship between vegetation and soil moisture over the Loess Plateau, China

Wei, Xuesong; Huang, Qiang; Huang, Shengzhi; Leng, Guoyong; Qu, Yanping; Deng, Mingjiang; Han, Zhenyu; Jing, Zhao; Liu, Dong; Bai, Qingjun

doi:10.1016/j.ecolind.2021.108493

Cited by 20 publications

(11 citation statements)

References 54 publications

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“…The greening rate has nearly doubled since

1999

with the implementation of a state‐supported Green for Grain Program (GFGP; Zhang et al, 2022). The response of the regional hydrological cycle to re‐greening has been complex, inconsistent, and debated (Feng et al, 2016; Jia et al, 2017; Wang, Wang, et al, 2018; Wei et al, 2022; Zhang et al, 2022; Zheng et al, 2021, and references therein).…”

Section: Resultsmentioning

confidence: 99%

“…Evapotranspiration, estimated as the difference between precipitation and moisture convergence, accumulates uncertainties from both P and C estimates and is the least certain term of the catchment water budget (Baker et al, 2021) Zhang et al, 2022). The response of the regional hydrological cycle to re-greening has been complex, inconsistent, and debated (Feng et al, 2016;Jia et al, 2017;Wei et al, 2022;Zhang et al, 2022;Zheng et al, 2021, and references therein).…”

Section: Wet Season Onset In the Southern Amazonmentioning

confidence: 99%

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The role of ecosystem transpiration in creating alternate moisture regimes by influencing atmospheric moisture convergence

Makarieva

Nefiodov

Nobre

et al. 2023

Global Change Biology

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The terrestrial water cycle links the soil and atmosphere moisture reservoirs through four fluxes: precipitation, evaporation, runoff, and atmospheric moisture convergence (net import of water vapor to balance runoff). Each of these processes is essential for sustaining human and ecosystem well-being. Predicting how the water cycle responds to changes in vegetation cover remains a challenge. Recently, changes in plant transpiration across the Amazon basin were shown to be associated disproportionately with changes in rainfall, suggesting that even small declines in transpiration (e.g., from deforestation) would lead to much larger declines in rainfall. Here, constraining these findings by the law of mass conservation, we show that in a sufficiently wet atmosphere, forest transpiration can control atmospheric moisture convergence such that increased transpiration enhances atmospheric moisture import and results in water yield. Conversely, in a sufficiently dry atmosphere increased transpiration reduces atmospheric moisture convergence and water yield. This previously unrecognized dichotomy can explain the otherwise mixed observations of how water yield responds to re-greening, as we illustrate with examples from China's Loess Plateau. Our analysis indicates that any additional precipitation recycling due to additional vegetation | 2537 MAKARIEVA et al.

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“…The greening rate has nearly doubled since

1999

Section: Resultsmentioning

confidence: 99%

Section: Wet Season Onset In the Southern Amazonmentioning

confidence: 99%

The role of ecosystem transpiration in creating alternate moisture regimes by influencing atmospheric moisture convergence

Makarieva

Nefiodov

Nobre

et al. 2023

Global Change Biology

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“…The weak role of SM is reflected mainly in the probability of intermediate‐to‐heavy rainfall in transitional zones (Wei et al., 2016). It is observed that the extent of the significant mutual feedback relationship between NDVI and SM is slightly enlarged as the depth increases (Wei et al., 2022), revealing the mutual feedback relationship between available SM and vegetation conditions. In addition, according to previous investigations that focused on the bidirectional dependency between SM and vegetation productivity, divergent responses between greening and available moisture have been found (Zhang et al., 2022).…”

Section: Resultsmentioning

confidence: 99%

Variations in Global Soil Moisture During the Past Decades: Climate or Human Causes?

Liu

Yang

Song

2023

Water Resources Research

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In particular, rootzone soil water availability is more critical than surface water availability. This is because vegetation roots can extend downward to tens or even hundreds of centimeters to absorb water and nutrients from the soil (Hirschi et al., 2014;Yang et al., 2022). Therefore, it is important to investigate the variation patterns of both surface and rootzone SM across the globe, which could be expected to boost the understanding of Earth-surface system evolution processes.A host of studies have analyzed the spatial-temporal variability of SM and achieved meaningful findings. The multi-satellite derived surface SM was considered to explore its global fluctuation from 1988 to 2010. The data set displayed a negative trend over 73% of the covered region (Dorigo et al., 2012). Feng and Zhang (2015) utilized the European Space Agency Climate Change Initiative SM data set to examine the widely accepted "dry gets drier, wet gets wetter" (DGDWGW) evolution pattern. The result showed that this cognition was overestimated, and that only 15.12% of the trends followed the DGDWGW mode. Besides, they detected a significant "drier in dry, wetter in wet" (DIDWIW) trend, which focused on the moisture trends and can capture their spatial patterns in detail. Despite promising findings, uncertainties caused by prevalent gap regions, inability to detect dense vegetation, and the features of each spaceborne sensor should be fully considered before further processes. In comparison, the reanalysis SM products could break through the limitation of spaceborne signal derived data, and achieve complete coverage SM with definite physical meaning. The European Centre for Medium-Range Weather Forecasts (ECMWF) Interim Re-Analysis (ERA-Land) SM products was applied to global trend investigations during 1988-2010, and revealed a significant and dominant (more than 70%) falling trend of surface SM,

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“…Recent work suggests that afforestation has resulted in soil desiccation, which negatively impacts the ecosystems on the Loess Plateau (Ding and Wang 2022). However, Wei et al (2022) have noted a positive correlation between NDVI and surface soil moisture across the whole Loess Plateau, and in the west and central-north (including Central Shanxi, northern Shaanxi, and Inner Mongolia) of the Loess Plateau, of the soil moisture showed an increasing trend in all layers. In addition, some reports suggested that there was still a 25%-50% potential for vegetation cover increase in the areas of hilly gullies and windy sandy areas in the same area (Zhao et al 2021a).…”

Section: A Greener Loess Plateau In the Futurementioning

confidence: 92%

A greener Loess Plateau in the future: moderate warming will expand the potential distribution areas of woody species

Guo

Zhao

Yuan

et al. 2023

Environ. Res. Lett.

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Understanding the effect of future global warming on the distribution and diversity of woody species in the Loess Plateau is critical to the vegetation restoration and rebuilding of this area and yet is highly challenging. In the absence of enough experimental data, projection based on species distribution models is the best option for assessing the future shift in species distribution areas. Here, via a comprehensive habitat suitability (CHS) model, we present an assessment of potential distribution area change for two plant life forms with a total of 42 key woody species, including 21 tree species and 21 shrub species, on the Loess Plateau under multiple scenarios, and based on this information, we explore the responses of regional potential woody species diversity to future global warming. The results showed that warming will promote the expansion of potential distribution areas for most woody species and generally increase regional species diversity, which will result in a greener Loess Plateau. Our results also show that shrub species are more drought-tolerant and less adversely affected by climate change and thus should be considered a priority in vegetation restoration, especially in the arid area of the northern Loess Plateau. These results are helpful for identifying priority restoration areas, selecting appropriate species for artificial planting and providing useful information for vegetation restoration and management in the future.

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Assessing the feedback relationship between vegetation and soil moisture over the Loess Plateau, China

Cited by 20 publications

References 54 publications

The role of ecosystem transpiration in creating alternate moisture regimes by influencing atmospheric moisture convergence

The role of ecosystem transpiration in creating alternate moisture regimes by influencing atmospheric moisture convergence

Variations in Global Soil Moisture During the Past Decades: Climate or Human Causes?

A greener Loess Plateau in the future: moderate warming will expand the potential distribution areas of woody species

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