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A robust groundwater monitoring framework is essential for informing sustainable water management policies, enabling accurate freshwater accounting, and guiding water allocation at both national and basin scales. The integration of different monitoring tools and capabilities allows water agencies to quantify large-scale groundwater drought, assess aquifer health, and respond proactively to climate variability and increasing extraction pressures. Limited availability of in situ data often hampers efforts to track changes in freshwater and evaluate the consequences of intensive groundwater extraction and drought events. This chapter discusses how multi-satellite remote sensing can support understanding and co-management of freshwater resources, including changes in surface and groundwater storage. Drawing on a recent work undertaken by Ndehedehe et al. (Ecol Inf 90:103248;2025) in the Cambrian Limestone AquiferCambrian Limestone Aquifer (CLA) of Australia’s Northern TerritoryNorthern Territory, the chapter demonstrates how changes in surface and sub-surface water storage can be systematically monitored using multi-satellite remote sensing data (Gravity Recovery and Climate Experiment and historical Landsat images) and outputs from hydrological models. This case study illustrates the application of satellite remote sensing in closing knowledge and hydrological data gaps under increasing water licenses for large-scale irrigation development and expansion of shale gas in the region. This chapter highlights the unique capabilities and benefits of combining satellite gravity and optical data to enhance our understanding of hydrological processes while also advancing impact assessment for sustainable water governance and management responses to droughts and pressures from water extraction. Additionally, this chapter highlights the value of a groundwater drought service-based application, defined as a continuous information system designed to support drought response triggers, agricultural relief planning, and the monitoring of groundwater availability. By delivering tailored information to water managers, farmers, and policy-makers, this application can potentially serve as a critical component of the broader architecture for sustainable water management and drought impact assessment.

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Impact Assessment from Droughts and Water Extraction

  • 章节

  • 发表日期：

    2026年

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  • Christopher Ndehedehe

摘要

A robust groundwater monitoring framework is essential for informing sustainable water management policies, enabling accurate freshwater accounting, and guiding water allocation at both national and basin scales. The integration of different monitoring tools and capabilities allows water agencies to quantify large-scale groundwater drought, assess aquifer health, and respond proactively to climate variability and increasing extraction pressures. Limited availability of in situ data often hampers efforts to track changes in freshwater and evaluate the consequences of intensive groundwater extraction and drought events. This chapter discusses how multi-satellite remote sensing can support understanding and co-management of freshwater resources, including changes in surface and groundwater storage. Drawing on a recent work undertaken by Ndehedehe et al. (Ecol Inf 90:103248;2025) in the Cambrian Limestone AquiferCambrian Limestone Aquifer (CLA) of Australia’s Northern TerritoryNorthern Territory, the chapter demonstrates how changes in surface and sub-surface water storage can be systematically monitored using multi-satellite remote sensing data (Gravity Recovery and Climate Experiment and historical Landsat images) and outputs from hydrological models. This case study illustrates the application of satellite remote sensing in closing knowledge and hydrological data gaps under increasing water licenses for large-scale irrigation development and expansion of shale gas in the region. This chapter highlights the unique capabilities and benefits of combining satellite gravity and optical data to enhance our understanding of hydrological processes while also advancing impact assessment for sustainable water governance and management responses to droughts and pressures from water extraction. Additionally, this chapter highlights the value of a groundwater drought service-based application, defined as a continuous information system designed to support drought response triggers, agricultural relief planning, and the monitoring of groundwater availability. By delivering tailored information to water managers, farmers, and policy-makers, this application can potentially serve as a critical component of the broader architecture for sustainable water management and drought impact assessment.