HS1.1.4

River monitoring is still a challenge for hydrologists and environmental agencies. The expansion of the human population, urbanisation, and technological advancements have put forward an ongoing water management agenda. River streamflow is one of the most crucial hydrological variables in terms of 'basin health' description (from an ecological point of view), and for flood risk management and modelling. However, despite the efforts on river flow monitoring, there are only a few locations that have been monitored long enough with an adequate spatial resolution to produce long spatial timeseries. In consequence, there is an increasing need for cost-effective methods for real-time streamflow quantification, especially in data-scarce environments. Emerging innovative methods should be tested and benchmarked under different conditions (e.g. low, high, and complex flows) to ensure accurate and consistent results. Furthermore, these methods must be harmonised for promoting good practices and dissemination over the globe. In this context, this session focuses on:

1) The use of remote sensing approaches for hydrological and morphological monitoring;
2) Real-time acquisition of hydrological variables;
3) Strategies to quantify and describe hydro-morphological evolution of rivers;
4) New methods to cope with data-scarce environments;
5) Innovative methodologies for measuring/modelling/estimating river stream flows;
6) Inter-comparison of innovative and classical models and approaches;
7) Quantification of uncertainties; and,
8) Guidelines for hydro-morphological streamflow monitoring.

Contributions are welcome with emphasis on image-velocimetry or other velocity measurement techniques, wetted cross-section retrieval from digital surface models (e.g. computed with multi-media photogrammetry/structure-from-motion, or other bathymetric techniques), and quantification of stream flows and related uncertainties. Additionally, presentations of case studies considering fixed cameras or innovative sensors, Unmanned Aerial Systems (UASs) and Unmanned Surface Vehicles (USVs), airborne or satellite-based approaches, and traditional in-situ measurements are encouraged. This session is sponsored by the COST Action CA16219, Harmonisation of UAS techniques for agricultural and natural ecosystems monitoring (HARMONIOUS).

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Co-organized by GM2/NH1
Convener: Alonso PizarroECSECS | Co-conveners: Filippo BandiniECSECS, Silvano F. Dal SassoECSECS, Anette EltnerECSECS
River monitoring is still a challenge for hydrologists and environmental agencies. The expansion of the human population, urbanisation, and technological advancements have put forward an ongoing water management agenda. River streamflow is one of the most crucial hydrological variables in terms of 'basin health' description (from an ecological point of view), and for flood risk management and modelling. However, despite the efforts on river flow monitoring, there are only a few locations that have been monitored long enough with an adequate spatial resolution to produce long spatial timeseries. In consequence, there is an increasing need for cost-effective methods for real-time streamflow quantification, especially in data-scarce environments. Emerging innovative methods should be tested and benchmarked under different conditions (e.g. low, high, and complex flows) to ensure accurate and consistent results. Furthermore, these methods must be harmonised for promoting good practices and dissemination over the globe. In this context, this session focuses on:

1) The use of remote sensing approaches for hydrological and morphological monitoring;
2) Real-time acquisition of hydrological variables;
3) Strategies to quantify and describe hydro-morphological evolution of rivers;
4) New methods to cope with data-scarce environments;
5) Innovative methodologies for measuring/modelling/estimating river stream flows;
6) Inter-comparison of innovative and classical models and approaches;
7) Quantification of uncertainties; and,
8) Guidelines for hydro-morphological streamflow monitoring.

Contributions are welcome with emphasis on image-velocimetry or other velocity measurement techniques, wetted cross-section retrieval from digital surface models (e.g. computed with multi-media photogrammetry/structure-from-motion, or other bathymetric techniques), and quantification of stream flows and related uncertainties. Additionally, presentations of case studies considering fixed cameras or innovative sensors, Unmanned Aerial Systems (UASs) and Unmanned Surface Vehicles (USVs), airborne or satellite-based approaches, and traditional in-situ measurements are encouraged. This session is sponsored by the COST Action CA16219, Harmonisation of UAS techniques for agricultural and natural ecosystems monitoring (HARMONIOUS).