Forecasting algal blooms in lakes and reservoirs

Forecasting algal blooms in lakes and reservoirs

Contributed by: Trevor Page, Paul Smith, Keith Beven, Ian Jones, J Alex Elliott, Stephen C Maberly, Eleanor B Mackay, Mitzi De Ville and Heidrun Feuchtmayr Why is it needed? Forecasting algal blooms is an increasingly high priority for water managers to aid in reactive decision-making and to avoid dangerous and expensive bloom impacts. Algal blooms are a global problem affecting water resources, recreation and ecosystems. Toxic algal species such as cyanobacteria (more commonly known as blue-green algae) can kill pets…

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A Month of Storms: Ciara, Dennis and Atmospheric Rivers

A Month of Storms: Ciara, Dennis and Atmospheric Rivers

Contributed by Helen Griffith, Dept of Geography & Environmental Science, University of Reading, UK. February 2020 has been announced as the wettest February on record for most of the UK[1]. The arrival of Storms Ciara and Dennis led to widespread flooding and the recovery is expected to cost the insurance industry over £225m[2]. Saturated soils combined with additional rainfall mean that, at the time of writing, over 100 flood warnings are still in place across England and Wales and the…

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HEPEX-ers: You are challenged!

HEPEX-ers: You are challenged!

Contributed by Florian Teichert, WMO. The WMO HydroHub has partnered with the organizers of the Open Seventeen Challenge to publish challenges around the topic of “Artificial Intelligence (AI) for Operational Hydrology”, to which students from all over the world can submit solutions. Contributions from the developing and least-developed world would be especially welcomed to give students a chance to make a difference. This is part of the University of Geneva organized Open Seventeen (O17) Challenges targeting one or more of…

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Helping shape a new flood forecasting service in The wellington region, new zealand

Helping shape a new flood forecasting service in The wellington region, new zealand

Contributed by Michael Cranston (RAB), Andy Brown (Greater Wellington Regional Council) and Bapon Fakhruddin (Tonkin and Taylor). The flooding challenge in Wellington Greater Wellington Regional Council (GWRC) are embarking on a programme to establish improved flood forecasting services across the Wellington Region on New Zealand’s north island. Flooding is considered New Zealand’s number one natural hazard with flood emergencies estimated to have cost $17 million a year in insurance payments and $15 million in emergency management expenditure between 1968 and…

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Summary of H SAF-HEPEX workshop

Summary of H SAF-HEPEX workshop

by Fredrik Wetterhall, David Fairbairn and Patricia de Rosnay, ECMWF. More than a hundred modellers and satellite data specialists in the field of hydrology came together at ECMWF from 25 to 28 November to debate new ideas and deepen collaborations. The workshop on “satellite-inspired hydrology in an uncertain future” was organized jointly by the EUMETSAT Satellite Application Facility for hydrology and water management (H SAF) and the HEPEX community. The last joint H SAF/HEPEX workshop was held in 2014, so…

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