Spatial-temporal variation of precipitation recycling over the Tibetan Plateau under climate warming

Li, Xiucang; Wu, Peng; Liu, Yanju; Li, Qingquan

doi:10.1016/j.atmosres.2022.106431

Cited by 10 publications

(9 citation statements)

References 32 publications

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“…Zhang et al (2019b) also pointed out that the water vapour transport to the TRHR under the synergistic impact of the Westerlies and Asian summer monsoon. Recently, Li et al (2022b) quantitatively estimated the relative contribution of external cycling contributed by advection moisture and internal recycling toward TP increasing precipitation based on the precipitation recycling ratio, to which the increase in the former contributed 68.4% and the increase in the latter contributed approximately 31.6%. It should be noted that the maximum values as shown in Figure 6a, 6b are both roughly distributed in the Indian subcontinent, more specifically, to the southwest of TP and adjacent regions of THR.…”

Section: Changes In Moisture Source With Respect To Drought and Flood...mentioning

confidence: 99%

“…The intensified atmospheric hydrological cycle exerts a significant effect on precipitation (Held & Soden, 2006;Immerzeel et al, 2010Immerzeel et al, , 2020Lan et al, 2016;Xi et al, 2018). Numerous studies demonstrated that the precipitation over TRHR manifested a variation on multiple scales, particularly featured by a significant increase during the last decades (Cao & Pan, 2014;Shi et al, 2016;Xi et al, 2018;Ma et al, 2018;Yiyang et al, 2020;Yan et al, 2020;Hua et al, 2021;Xianhong et al, 2022;Shang et al, 2021aShang et al, , 2022Li et al, 2022b;Guo et al, 2022) and a dry-to-wet shift in around the late 1980s in the context of global climate change (Zhang et al, 2017a;Sun & Wang, 2018;Ji et al, 2020;Shang et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

“…Gao et al (2014) speculated that the variations in precipitation in the TRHR could be associated with more water vapour supply, from either the internal sources or external moisture origins. Many studies have been explored the moisture source of water vapour or precipitation over the TP and their association with the precipitation with the Lagrangian method (e.g., Chen et al, 2012Chen et al, , 2019Zhang et al, 2017b, Zhang et al, 2019aLiu et al, 2020;Yang et al, 2020;Yang et al, 2022;Li et al, 2022b). However, few studies have focused on the moisture for the TRHR precipitation (Zhang et al, 2019c;Zhao et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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Moisture source anomalies connected to flood‐drought changes over the three‐rivers headwater region of Tibetan Plateau

Zhao

Chen

Zhang

et al. 2023

Intl Journal of Climatology

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The Flood‐Drought condition over the Three‐River Headwater region (TRHR) of the Tibetan Plateau (TP) exerts vital impacts on regional climate and downstream livelihoods. However, the reasons behind precipitation variability over this region remain elusive. In this study, the multi‐year moisture sources of water vapour reaching the TRHR were identified to reveal their connection to the interannual variability of summer precipitation by utilizing a Lagrangian diagnosis analysis. The results show that the moisture sources could be tracked backward covering vast areas, with the peak values located mostly at the northern Indian continent and adjacent regions of TRH itself. The variability of integrated moisture sources' contribution agrees well with the summer precipitation on the interannual scale; However, the role of different regions varies in line with their geographical location. More specifically, summer precipitation is positively correlated with the moisture source over the adjacent areas of TRH and the remote terrestrial‐oceanic regions, in contrast to a negative correlation to the water vapour departing from the Northeastern Asian and western regions to the TP. The Indian summer monsoon circulation and local recycling process play a dominant role in modulating the summer precipitation on the interannual scale, whereas the role of the westerlies is almost negligible. The abnormal atmosphere circulations triggered by mid‐high latitude wave trains and anomalies in SST in the central and eastern Pacific Ocean and Indian Ocean could serve as possible drivers for the precipitation variability over TRHR.

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Section: Changes In Moisture Source With Respect To Drought and Flood...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Moisture source anomalies connected to flood‐drought changes over the three‐rivers headwater region of Tibetan Plateau

Zhao

Chen

Zhang

et al. 2023

Intl Journal of Climatology

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“…Precipitation serves as a pivotal element in the hydrological cycle (Curio & Scherer, 2016; Yao, Qin, et al., 2013) and a key component of regional water resources (Buytaert et al., 2010; Cuo & Zhang, 2017; Jia et al., 2017). Changes in the contributions of moisture to precipitation impact the regional climate, hydrological cycle, and water reserves, especially under the background of ongoing global changes (Ciric et al., 2018; Z. Li et al., 2019; X. Li et al, 2022; Liu et al., 2015).…”

Section: Introductionmentioning

confidence: 99%

“…Changes in the contributions of moisture to precipitation impact the regional climate, hydrological cycle, and water reserves, especially under the background of ongoing global changes (Ciric et al, 2018;Z. Li et al, 2019;X. Li et al, 2022;Liu et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Contribution of Recycled and External Advected Moisture to Precipitation and Its Inter‐Annual Variation Over the Tibetan Plateau

Ma,

Tang,

et al. 2024

JGR Atmospheres

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In this study, we performed a high‐resolution simulation using the Weather Research and Forecasting model, integrated with water vapor tracers, covering the years 2005–2019. Our objective was to obtain deeper insights into the spatiotemporal dynamics of external advected and local evaporative water vapor, and to elucidate their impact on precipitation patterns across the Tibetan Plateau (TP). Our findings underscore that a significant proportion of TP's precipitation originates from external advected water vapor, primarily entering through the western and southern boundaries. During summer, stronger zonal and meridional water vapor transport, driven by prevailing westerly winds and the Asian monsoon, significantly influences seasonal and spatial precipitation variations. Additionally, we observed that the inter‐annual variation of precipitation is intricately linked to changes in the net water vapor influx, modulated by alterations in atmospheric circulation. We also analyze the Precipitation Recycling Ratio (PRR) which refers to the proportion of precipitation originated from local evaporative water vapor to the total precipitation, revealing distinctive elevation‐dependent variations aligned with grassland distribution. Notably, PRR exhibits asynchronous shifts with precipitation at different timescales, potentially linked to soil moisture‐precipitation feedback at intra‐annual scales. Moreover, the investigation highlights that inter‐annual variations in PRR are primarily linked to the inflow and outflow of water vapor as well as wind strength at 500 hPa, particularly prominent during colder seasons, while thermal factors carry comparable weight to dynamical factors in warmer seasons.

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Evaluation and projection of the summer precipitation recycling over the Tibetan plateau based on CMIP6 GCMs

Xu,

Han,

Liu

et al. 2024

Intl Journal of Climatology

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Based on ERA5 and 23 CMIP6 models under three Shared Socioeconomic Pathways (SSPs), we assess the performance of CMIP6 models in reproducing the summer precipitation, evaporation and precipitation recycling ratio (PRR) over the Tibetan plateau (TP) during 1981–2014. We also project future changes of the summer precipitation, evaporation, PRR and moisture transport over the TP during 2021–2100. CMIP6 models and their ensemble mean to reproduce the temporal and spatial characteristics of precipitation, evaporation, PRR and moisture transport over the TP. And the performance in simulating precipitation is better than that in simulating evaporation and PRR. The precipitation and evaporation under the three SSPs will increase, with the significant upward trends of 0.84%/decade ~2.79%/decade and 0.80%/decade ~2.14%/decade, respectively. However, the PRR will increase slightly (0.13%/decade) and then marginally reduce (−0.22%/decade). In the late 21st century, regional mean summer precipitation, evaporation and PRR over the TP in SSP5‐8.5 will change by about 20.13%, 17.14%, and −0.77%, respectively. From spatial distribution, precipitation will increase in most parts of the TP in the 21st century, especially in the western part of the plateau, reaching more than 50% in of the late 21st century, the area of PRR decreased gradually expanded, with the maximum reduction (15%–20%) of PRR in the western region. It indicates that more precipitation in the western of the plateau depends on the external moisture transport. The PRR in the southern part of the plateau will increase, with a maximum of more than 20%, which indicates the contribution of the external water vapour transport to the southern precipitation will decrease, and that of the internal cycle (local evaporation) to the local precipitation will increase. In conclusion, the increase of the regional mean precipitation over the TP in the near and mid‐21st century is mainly due to the local evaporation, while the increase of the summer precipitation in the late 21st century is due to both the local evaporation and the external water vapour advection, it shows that the precipitation generated by the inner circulation is becoming weaker and more dependent on the external water vapour transport.

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Spatial-temporal variation of precipitation recycling over the Tibetan Plateau under climate warming

Cited by 10 publications

References 32 publications

Moisture source anomalies connected to flood‐drought changes over the three‐rivers headwater region of Tibetan Plateau

Moisture source anomalies connected to flood‐drought changes over the three‐rivers headwater region of Tibetan Plateau

Contribution of Recycled and External Advected Moisture to Precipitation and Its Inter‐Annual Variation Over the Tibetan Plateau

Evaluation and projection of the summer precipitation recycling over the Tibetan plateau based on CMIP6 GCMs

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