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Tier 4 — Narrative / commentaryPeer-reviewed

Challenges of mapping, modelling and quantifying sediment connectivity

Janet Hooke, Jonas Otaviano Praça de Souza

Earth-Science Reviews · 2021

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Summary

This review article addresses fundamental challenges in characterising and quantifying sediment connectivity—the degree to which sediment mobilised in one landscape location is transferred to and deposited in another. Hooke and Souza examine methodological limitations in current mapping and modelling approaches, considering both spatial variability and temporal dynamics. The paper appears to synthesise existing frameworks for assessing sediment connectivity and identifies gaps in our capacity to predict sediment flux linkages across complex terrain.

UK applicability

Sediment connectivity assessment is relevant to UK upland and lowland erosion management, particularly in catchment planning and diffuse pollution control under Water Framework Directive requirements. Improved connectivity quantification methods could inform soil conservation and water quality monitoring strategies in UK farming landscapes.

Key measures

Sediment connectivity metrics, sediment transport pathways, connectivity indices, erosion and deposition patterns

Outcomes reported

The paper examines methodological challenges in mapping and modelling sediment connectivity—the linked transfer of sediment through landscape systems. The study reviews approaches for quantifying sediment flux pathways and connectivity indices across different spatial and temporal scales.

Theme
Measurement & metrics
Subject
Measurement methods & nutrient profiling
Study type
Narrative Review
Study design
Narrative review
Source type
Peer-reviewed study
Status
Published
System type
Other
DOI
10.1016/j.earscirev.2021.103847
Catalogue ID
SNmohdwgxv-ffh8bq

Topic tags

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