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Assessing the Global Relationships Between Teleconnection Factors and Terrestrial Water Storage Components

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Abstract

It has been shown that the changes in global terrestrial water storage (TWS) are strongly linked to the teleconnections (TCs) that induce large-scale climate variations. However, the contributions of the different TCs to global changes of TWS and its components (water storage components, WSCs) remain undetermined. To fill this gap, we systematically assess the relationships between six major ocean-related TCs and different WSCs derived from the Gravity Recovery and Climate Experiment (GRACE) mission and hydrological models under different timescales. Additionally, the interrelationships of the TCs are also analyzed via the independent component analysis for further investigation. The results allow an improved understanding of the hydrometeorological process controlling WSC changes. Specifically, the annual timescale analysis can constrain high-frequency noises and retain the informative fluctuations of WSC residuals. ENSO and AMO are found to be the two most dominant TCs controlling the variations of WSCs globally. TWS and groundwater storage (GWS) are the two WSCs most correlated with the dominant TCs. The WSCs at shallow depths, which are largely affected by strongly hysteretic controls of TCs, are more closely linked to the TCs with many high-frequency components that tend to have weak hysteresis on WSCs. As for the interrelationships of TCs, the independent component, which is highly correlated with all six TCs, has a predominant influence on WSCs.

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Abbreviations

AMO:

Atlantic Multidecadal Oscillation

AO:

Arctic Oscillation

CLSM:

Catchment Land Surface Model

ENSO:

El Niño-Southern Oscillation

GRACE:

Gravity Recovery And Climate Experiment

GWS:

Groundwater Storage

IC:

Independent Components

ICA:

Independent Component Analysis

IOD:

Indian Ocean Dipole

ITCZ:

Intertropical Convergence Zone

JPL:

Jet Propulsion Laboratory

MEI:

Multivariate Enso Index

NAO:

North Atlantic Oscillation

NOAA:

National Oceanic and Atmospheric Administration

PCW:

Plant Canopy Water

PDO:

Pacific Decadal Oscillation

RZSM:

Root Zone Soil Moisture

SnWS:

Snow Water Storage

STL:

Seasonal-Trend Decomposition By Loess

SWS:

Surface Water Storage

TC:

Teleconnection

TWS:

Terrestrial Water Storage

WGHM:

Watergap Global Hydrology Model

WSC:

Water Storage Component

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Acknowledgments

The JPL GRACE RL06 mascons solutions can be downloaded from CSR (http://grace.jpl.nasa.gov/); the WGHM data are available at https://doi.pangaea.de/10.1594/PANGAEA.918447; the GLDAS data are available from NASA (https://ldas.gsfc.nasa.gov/gldas/); the teleconnection data are available from NOAA (https://psl.noaa.gov/). This study is supported by the National Natural Science Foundation of China Grants 51779179, 51861125202, and 51609173 and the National Key Research & Development Program of China (2019YFC1805701).

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Contributions

Peijun Li: Conceptualization, Methodology, Software, Data curation, Writing - original draft, Visualization, Investigation. Yuanyuan Zha: Conceptualization, Methodology, Software, Data curation, Writing - original draft, Visualization, Investigation, Funding acquisition. Liangsheng Shi: Supervision, Validation, Funding acquisition. Hua Zhong: Supervision, Validation. Chak-Hau Michael Tso: Writing - review & editing. Mousong Wu: Validation, Writing - review & editing.

Corresponding author

Correspondence to Yuanyuan Zha.

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Li, P., Zha, Y., Shi, L. et al. Assessing the Global Relationships Between Teleconnection Factors and Terrestrial Water Storage Components. Water Resour Manage 36, 119–133 (2022). https://doi.org/10.1007/s11269-021-03015-x

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  • DOI: https://doi.org/10.1007/s11269-021-03015-x

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