Satellite-Based Method for Monitoring Hydrological Changes

Dear Colleagues,

Changes in the hydrological cycle could be due to several drivers and pressures, such as climate change, population, and economic growth, with direct and indirect impacts on land, water resources, and biodiversity. As an example, human-induced climate change has affected precipitation patterns. However, tracking the causes of these changes is generally a difficult task due to the complexity of the involved processes and the spatial extent that these processes can reach. The precise detection of changes is essential for evaluating the interaction of hydrological phenomena with human activities and then implementing better practices for water resource management.

Improvements in satellite remote sensing techniques have allowed the development of several platforms that are able to capture multitemporal data with a wide range of spatial and temporal resolutions. Satellite remote sensing enables monitoring and detecting spatiotemporal changes in the natural water cycle phenomena (e.g., precipitation and evapotranspiration), as well as assessing human-induced impacts on water quantity and quality.

This Special Issue aims to cover the following:

• New methods and techniques for detecting changes in the water cycle variables (e.g., precipitation, evaporation, temperature, groundwater recharge, water bodies storage, soil moisture, and runoff), including hydrological modeling that involves the assimilation of data from satellite remote sensing;
• Development of new numerical and statistical methods of performing multitemporal analysis from remote sensor data that allow the detection of changes in the variables and dynamics of the water cycle;
• Satellite-data-enabled hydrological applications and water resource management to detect human-induced changes on water cycle variables and water quality and impacts of climate change on hydrological processes and extreme water events.

Dr. Sandra G. García Galiano
Dr. Juan Diego Giraldo-Osorio
Guest Editors

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• natural water cycle
• human-induced changes
• climate change impacts
• extreme events
• water quality
• satellite remote sensing