Back to opportunities | Category Index
These are the intended use-case/justification for one or multiple variable groups. Opportunities are linked to relevant experiment groups. Identifying opportunities helps to provide a structure to map variables against requirements. Each opportunity description will convey why this combination of variables and experiments is important and how they contribute to impact.
Attribute | Value |
---|---|
description | Future projections of hydroclimatic hazards and their effects on the ecosystems and water resources are essential for assessing what adaptation actions and resilience building measures are needed to ensure water security, ecosystem services and planetary health. |
expected_impacts | Variables requested in the WaterResources\_daily**, **WaterResources\_monthly and** **WaterResources\_subdaily are for direct use (including processed variables such as runoff and soil moisture) for flood and drought risk assessment. Ideally these variables could be provided at subdaily timescale as some high-impact hydrometeorological hazards such as flash flooding occur at very short timescale. Variables requested in the Hydro\_modelling\_daily and** **Hydro\_modelling\_subdaily are a smaller range of variables (precipitation and PET) for hydrological simulations, using bucket-type/watershed models. For the subdaily set of variables, we request in extra for hourly precipitation as it is shown to be able to enable more robust hydrological simulations (https://www.sciencedirect.com/science/article/pii/S2214581823002756?via%3Dihub#da0005). Variables requested in the impact\_energy\_hydropower are used for hydropower modelling applications. Variables requested in the biodiv\_freshwater\_daily variable group are used in process-explicit as well as statistical biodiversity and ecosystem models. These span models for predicting spatiotemporal distribution and abundances of species or functional types, to models of fish migration and disease spread. This variable group thus supports a broad set of use cases to model the positive and negative contributions of Nature to people. PET calculation variable groups are useful for the validation of evspsblpot and to calculate potential evapotranspiration from raw variables. |
justification_of_resources | Climate change has a dramatic effect on the water cycle, increasing the risk of floods and droughts, and changing groundwater and river flow regimes, with important effects for water security, ecosystem services, natural hazards and the direct and indirect effects on human health. Freshwater ecosystems have experienced the most severe habitat degradation and losses in biodiversity and require urgent actions to halt biodiversity loss and restore ecosystem health. Improved freshwater biodiversity and ecosystem modelling based on high resolution climatic predictors will directly contribute to the efforts of IPBES to improve understanding of biodiversity and ecosystem services changes and improve scenario work. Due to the highly uncertain nature of and strong internal variability affecting precipitation simulated by the models, large ensemble simulations are needed to capture the plausible range of variability which is crucial for risk assessment for water resources and ensures well-informed adaptation actions. |
lead_theme | Impacts & Adaptation |
minimum_ensemble_size | 30 |
name | Water Security and Freshwater Ecosystem Services |
opportunity_id | 67 |
data_request_themes | Impacts & Adaptation, Atmosphere, Land & Land-Ice |
experiment_groups | dcpp, damip_experiment_group, picontrol, highresmip2-ia, fast-track, scenarios, historical |
mips | DCPP, PMIP |
time_subsets | 80ac3156-a698-11ef-914a-613c0433d878 |
variable_groups | WaterResourcesPET_daily, WaterResourcesPET_monthly, biodiv_freshwater_daily, hydro_modelling_daily, hydro_modelling_subdaily, impact_energy_hydropower, WaterResources_daily, WaterResources_monthly, WaterResources_subdaily |