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Creating water-smart landscapes

Project description

Paving the way for sustainable agricultural practices

As the global population grows, agricultural activities intensify, leading to increased fertiliser use and diffuse nutrient emissions. This escalating trend poses a significant threat to water bodies, as nutrient run-off from intensive farming practices degrades water quality. Traditional land and water management approaches often lack the precision needed to identify high-priority areas or offer spatially explicit solutions. In this context, the ERC-funded WaterSmartLand project will pinpoint high-risk areas and propose targeted solutions. Using advanced analysis, modelling and machine learning, the project identifies optimal land management strategies, such as using wetlands and riparian buffer strips, to mitigate nutrient run-off. By harnessing a discrete global grid system data cube and cutting-edge machine learning techniques, the project offers spatially explicit solutions.

Objective

With the growing human population, the diffuse nutrient emissions from agriculture are expected to increase with the rise of fertilizer use. This situation has created a need for sustainable intensification by increasing yields while simultaneously decreasing the environmental impacts. Nature-based solutions (NbS) such as wetlands and riparian buffer strips can efficiently reduce the nutrient runoff from agricultural catchments. However, most land and water management studies mostly do not identify specific priority areas where the nutrient runoff to the water bodies is the highest (hotspots) nor do they provide spatially explicit solutions to improve the environmental conditions. Identification of priority areas will be important for ensuring cost-effective interventions to reduce the impact of intensive agriculture.
The aim of the proposed project is to develop an analysis, modelling, and machine learning (ML) framework for finding spatially optimal land management scenarios for implementing NbS such as wetlands and riparian buffer strips to reduce agricultural nutrient runoff from catchments at different scales. Moreover, the project will identify the landscape predictor variables at different spatial scales for nutrient concentrations and their cross-scale interactions using ML.
We will implement a novel Discrete Global Grid System data cube to manage all environmental data needed for modelling. We will take advantage of the strength and flexibility of existing ML methods to deal with complex ecosystem responses, and to reveal new interactions among water quality predictor variables. ML together with geospatial analysis will help us to develop different spatially explicit NbS allocation scenarios which we will evaluate with process-based hydrological modelling. In addition, we will address the challenges of processing large datasets by using proven parallelisation and distributed computing toolkits.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2023-COG

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Host institution

TARTU ULIKOOL
Net EU contribution
€ 1 909 500,00
Address
ULIKOOLI 18
51005 Tartu
Estonia
Region
Eesti Eesti Lõuna-Eesti
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 909 500,00

Beneficiaries (1)