GRACE-Based Estimates of Global Groundwater Depletion

Min Hui Lo; James S. Famiglietti; John T. Reager; Matthew Rodell; Sean Swenson; Wen Ying Wu

doi:10.1002/9781118971772.ch7

GRACE-Based Estimates of Global Groundwater Depletion

Min Hui Lo, James S. Famiglietti, John T. Reager, Matthew Rodell, Sean Swenson, Wen Ying Wu

Terrestrial Sciences

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

19 Scopus citations

Abstract

Groundwater contributes approximately 30% of global freshwater use, and it is particularly crucial for access to water in dry areas during dry seasons. However, the increasing demand for water and diminishing sources have led to groundwater depletion, which occurs when withdrawal rates exceed recharge rates and, therefore, is a problem in several regions of the world under pressure of population growth and climate changes. Because of the lack of sufficient data, it is difficult to estimate and quantify the rate of groundwater depletion regionally and globally, particularly for transboundary regions. However, the new satellite dataset of NASA's Gravity Recovery and Climate Experiment (GRACE) mission provides a unique approach to estimating changes in groundwater storage. In this chapter, we review the existing studies on GRACE-based estimates of global groundwater depletion in the past decade.

Original language	English
Title of host publication	Terrestrial Water Cycle and Climate Change
Subtitle of host publication	Natural and Human-Induced Impacts
Publisher	wiley
Pages	135-146
Number of pages	12
ISBN (Electronic)	9781118971772
ISBN (Print)	9781118971765
DOIs	https://doi.org/10.1002/9781118971772.ch7
State	Published - Sep 5 2016

Keywords

Climate change
Global groundwater depletion
Groundwater hydrological components
High plains aquifer
Land surface models
NASA's Gravity Recovery and Climate Experiment
Terrestrial water cycle

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10.1002/9781118971772.ch7

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title = "GRACE-Based Estimates of Global Groundwater Depletion",

abstract = "Groundwater contributes approximately 30\% of global freshwater use, and it is particularly crucial for access to water in dry areas during dry seasons. However, the increasing demand for water and diminishing sources have led to groundwater depletion, which occurs when withdrawal rates exceed recharge rates and, therefore, is a problem in several regions of the world under pressure of population growth and climate changes. Because of the lack of sufficient data, it is difficult to estimate and quantify the rate of groundwater depletion regionally and globally, particularly for transboundary regions. However, the new satellite dataset of NASA's Gravity Recovery and Climate Experiment (GRACE) mission provides a unique approach to estimating changes in groundwater storage. In this chapter, we review the existing studies on GRACE-based estimates of global groundwater depletion in the past decade.",

keywords = "Climate change, Global groundwater depletion, Groundwater hydrological components, High plains aquifer, Land surface models, NASA's Gravity Recovery and Climate Experiment, Terrestrial water cycle",

author = "Lo, \{Min Hui\} and Famiglietti, \{James S.\} and Reager, \{John T.\} and Matthew Rodell and Sean Swenson and Wu, \{Wen Ying\}",

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T1 - GRACE-Based Estimates of Global Groundwater Depletion

AU - Lo, Min Hui

AU - Famiglietti, James S.

AU - Reager, John T.

AU - Rodell, Matthew

AU - Swenson, Sean

AU - Wu, Wen Ying

PY - 2016/9/5

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AB - Groundwater contributes approximately 30% of global freshwater use, and it is particularly crucial for access to water in dry areas during dry seasons. However, the increasing demand for water and diminishing sources have led to groundwater depletion, which occurs when withdrawal rates exceed recharge rates and, therefore, is a problem in several regions of the world under pressure of population growth and climate changes. Because of the lack of sufficient data, it is difficult to estimate and quantify the rate of groundwater depletion regionally and globally, particularly for transboundary regions. However, the new satellite dataset of NASA's Gravity Recovery and Climate Experiment (GRACE) mission provides a unique approach to estimating changes in groundwater storage. In this chapter, we review the existing studies on GRACE-based estimates of global groundwater depletion in the past decade.

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KW - Global groundwater depletion

KW - Groundwater hydrological components

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KW - Land surface models

KW - NASA's Gravity Recovery and Climate Experiment

KW - Terrestrial water cycle

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BT - Terrestrial Water Cycle and Climate Change

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ER -

GRACE-Based Estimates of Global Groundwater Depletion

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