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Dr Laura Turnbull-Lloyd's Outputs (38)

Local-and Global-Scale Hydrological and Sediment Connectivity over Grassland (2025)
Journal Article
Tiwari, S., Turnbull, L., & Wainwright, J. (in press). Local-and Global-Scale Hydrological and Sediment Connectivity over Grassland. Journal of Hydrology,

Quantifying connectivity patterns in dryland ecosystems enables us to understand how changes in the vegetation structure influence the runoff and erosion processes. This knowledge is crucial for mitigating the impacts of climate change and land use m... Read More about Local-and Global-Scale Hydrological and Sediment Connectivity over Grassland.

Filling the Gaps—Computational Approaches to Incomplete Archaeological Networks (2025)
Journal Article
Priß, D., Wainwright, J., Lawrence, D., Turnbull, L., Prell, C., Karittevlis, C., & Ioannides, A. A. (2025). Filling the Gaps—Computational Approaches to Incomplete Archaeological Networks. Journal of Archaeological Method and Theory, 32(1), Article 19. https://doi.org/10.1007/s10816-024-09688-z

Networks are increasingly used to describe and analyse complex archaeological data in terms of nodes (archaeological sites or places) and edges (representing relationships or connections between each pair of nodes). Network analysis can then be appli... Read More about Filling the Gaps—Computational Approaches to Incomplete Archaeological Networks.

Water‐controlled ecosystems as complex networks: Evaluation of network‐based approaches to quantify patterns of connectivity (2024)
Journal Article
Tiwari, S., Recinos Brizuela, S., Hein, T., Turnbull, L., Wainwright, J., & Funk, A. (2024). Water‐controlled ecosystems as complex networks: Evaluation of network‐based approaches to quantify patterns of connectivity. Ecohydrology, 17(7), Article e2690. https://doi.org/10.1002/eco.2690

This study provides a new perspective on understanding the intricacies of water‐mediated connectivity in ecosystems, bridging landscape ecology and geomorphology through network science. We highlight dryland and river‐floodplain ecosystems as distinc... Read More about Water‐controlled ecosystems as complex networks: Evaluation of network‐based approaches to quantify patterns of connectivity.

(Dis)connectivity in hydro-geomorphic systems - emerging concepts and their applications (2023)
Journal Article
Poeppl, R., Polvi, L., & Turnbull, L. (2023). (Dis)connectivity in hydro-geomorphic systems - emerging concepts and their applications. Earth Surface Processes and Landforms, 48(6), 1089-1094. https://doi.org/10.1002/esp.5574

In geomorphology, connectivity has emerged as a framework for understanding the transfer of water and sediment through landscapes. Over the past decade, sessions on (dis)connectivity at the General Assembly of the European Geosciences Union (EGU), an... Read More about (Dis)connectivity in hydro-geomorphic systems - emerging concepts and their applications.

A multi‐method approach to analyse changes in gully characteristics between 2009 and 2018 in southeast Nigeria (2022)
Journal Article
Osumgborogwu, I. E., Wainwright, J., Turnbull, L., & Uzoigwe, L. O. (2022). A multi‐method approach to analyse changes in gully characteristics between 2009 and 2018 in southeast Nigeria. Land Degradation and Development, 33(9), 1398-1409. https://doi.org/10.1002/ldr.4246

Gully erosion is the dominant environmental problem in southeast Nigeria and has led to loss of human and material resources. In this study, we evaluated changes in gully characteristics in southeast Nigeria and their potential drivers between 2009 a... Read More about A multi‐method approach to analyse changes in gully characteristics between 2009 and 2018 in southeast Nigeria.

Investigating the drivers of the unprecedented Chernobyl Power Plant Wildfire in April 2020 and its effects on 137Cs dispersal (2021)
Journal Article
Newman-Thacker, F., & Turnbull, L. (2021). Investigating the drivers of the unprecedented Chernobyl Power Plant Wildfire in April 2020 and its effects on 137Cs dispersal. Natural Hazards, 109(2), 1877-1897. https://doi.org/10.1007/s11069-021-04902-7

In this study we explore the conditions that led to the unprecedented wildfire that occurred in the Chernobyl Exclusion Zone in April 2020 and the effect of this fire on 137Cs dispersal, as wildfires are important drivers of 137Cs re-suspension, with... Read More about Investigating the drivers of the unprecedented Chernobyl Power Plant Wildfire in April 2020 and its effects on 137Cs dispersal.

From structure to function: understanding shrub encroachment in drylands using hydrological and sediment connectivity (2018)
Journal Article
Turnbull, L., & Wainwright, J. (2018). From structure to function: understanding shrub encroachment in drylands using hydrological and sediment connectivity. Ecological Indicators, 98, 608-618. https://doi.org/10.1016/j.ecolind.2018.11.039

Hydrological and sediment connectivity can help us to understand better how physical and process-based linkages govern ecogeomorphic feedbacks and identify locations where degradation is likely to be pronounced. In this study we investigate how hydro... Read More about From structure to function: understanding shrub encroachment in drylands using hydrological and sediment connectivity.

Connectivity and complex systems: learning from a multi-disciplinary perspective (2018)
Journal Article
Turnbull, L., Hütt, M., Ioannides, A., Kininmonth, S., Poeppl, R., Tockner, K., Bracken, L., Keesstra, S., Liu, L., Masselink, R., & Parsons, A. (2018). Connectivity and complex systems: learning from a multi-disciplinary perspective. Applied Network Science, 3, Article 11. https://doi.org/10.1007/s41109-018-0067-2

In recent years, parallel developments in disparate disciplines have focused on what has come to be termed connectivity; a concept used in understanding and describing complex systems. Conceptualisations and operationalisations of connectivity have e... Read More about Connectivity and complex systems: learning from a multi-disciplinary perspective.

Better models are more effectively connected models (2018)
Journal Article
Nunes, J. P., Wainwright, J., Bielders, C. L., Darboux, F., Fiener, P., Finger, D., & Turnbull, L. (2018). Better models are more effectively connected models. Earth Surface Processes and Landforms, 43(6), 1355-1360. https://doi.org/10.1002/esp.4323

Water- and sediment-transfer models are commonly used to explain or predict patterns in the landscape at scales different from those at which observations are available. These patterns are often the result of emergent properties that occur because pr... Read More about Better models are more effectively connected models.

Seed-bank structure and plant-recruitment conditions regulate the dynamics of a grassland-shrubland Chihuahuan ecotone (2016)
Journal Article
Moreno-de las Heras, M., Turnbull, L., & Wainwright, J. (2016). Seed-bank structure and plant-recruitment conditions regulate the dynamics of a grassland-shrubland Chihuahuan ecotone. Ecology, 97(9), 2303-2318. https://doi.org/10.1002/ecy.1446

Large areas of desert grasslands in southwestern USA have shifted to sparse shrublands dominated by drought-tolerant woody species over the last 150 years, accompanied by accelerated soil erosion. An important step towards the understanding of patter... Read More about Seed-bank structure and plant-recruitment conditions regulate the dynamics of a grassland-shrubland Chihuahuan ecotone.

Dryland, calcareous soils store (and lose) significant quantities of near-surface organic carbon (2016)
Journal Article
Cunliffe, A. M., Puttock, A. K., Turnbull, L., Wainwright, J., & Brazier, R. E. (2016). Dryland, calcareous soils store (and lose) significant quantities of near-surface organic carbon. Journal of Geophysical Research: Earth Surface, 121(4), 684-702. https://doi.org/10.1002/2015jf003628

Semiarid ecosystems are susceptible to changes in dominant vegetation which may have significant implications for terrestrial carbon dynamics. The present study examines the distribution of organic carbon (OC) between particle size fractions in near-... Read More about Dryland, calcareous soils store (and lose) significant quantities of near-surface organic carbon.

Aridland constructed treatment wetlands II: Plant mediation of surface hydrology enhances nitrogen removal (2016)
Journal Article
Sanchez, C. A., Childers, D. L., Turnbull, L., Upham, R. F., & Weller, N. (2016). Aridland constructed treatment wetlands II: Plant mediation of surface hydrology enhances nitrogen removal. Ecological Engineering, 97, 658-665. https://doi.org/10.1016/j.ecoleng.2016.01.002

Constructed treatment wetlands have been well established as effective and sustainable solutions to the problem of urban water treatment and reuse. However, treatment wetlands located in aridland cities may behave differently relative to their more m... Read More about Aridland constructed treatment wetlands II: Plant mediation of surface hydrology enhances nitrogen removal.

Aridland constructed treatment wetlands I: Macrophyte productivity, community composition, and nitrogen uptake (2015)
Journal Article
Weller, N., Childers, D., Turnbull, L., & Upham, R. (2016). Aridland constructed treatment wetlands I: Macrophyte productivity, community composition, and nitrogen uptake. Ecological Engineering, 97, 649-657. https://doi.org/10.1016/j.ecoleng.2015.05.044

Urbanized areas increasingly rely on constructed treatment wetlands (CTW) for cost effective and environmentally-based wastewater treatment. Constructed treatment wetlands are particularly attractive treatment options in arid urban environments where... Read More about Aridland constructed treatment wetlands I: Macrophyte productivity, community composition, and nitrogen uptake.

Assessing vegetation structure and ANPP dynamics in a grassland–shrubland Chihuahuan ecotone using NDVI–rainfall relationships (2015)
Journal Article
Moreno-de las Heras, M., Diaz-Sierra, R., Turnbull, L., & Wainwright, J. (2015). Assessing vegetation structure and ANPP dynamics in a grassland–shrubland Chihuahuan ecotone using NDVI–rainfall relationships. Biogeosciences, 12(10), 2907-2925. https://doi.org/10.5194/bg-12-2907-2015

Climate change and the widespread alteration of natural habitats are major drivers of vegetation change in drylands. In the Chihuahuan Desert, large areas of grasslands dominated by perennial grass species have transitioned over the last 150 years to... Read More about Assessing vegetation structure and ANPP dynamics in a grassland–shrubland Chihuahuan ecotone using NDVI–rainfall relationships.

Stormwater Infrastructure Controls Runoff and Dissolved Material Export from Arid Urban Watersheds (2014)
Journal Article
Hale, R., Turnbull, L., Earl, S., Childers, D., & Grimm, N. (2015). Stormwater Infrastructure Controls Runoff and Dissolved Material Export from Arid Urban Watersheds. Ecosystems, 18(1), 62-75. https://doi.org/10.1007/s10021-014-9812-2

Urbanization alters watershed ecosystem functioning, including nutrient budgets and processes of nutrient retention. It is unknown, however, how variation in stormwater infrastructure design affects the delivery of water and materials from urban wate... Read More about Stormwater Infrastructure Controls Runoff and Dissolved Material Export from Arid Urban Watersheds.

Sediment connectivity: a framework for understanding sediment transfer at multiple scales (2014)
Journal Article
Bracken, L. J., Turnbull, L., Wainwright, J., & Bogaart, P. (2015). Sediment connectivity: a framework for understanding sediment transfer at multiple scales. Earth Surface Processes and Landforms, 40(2), 177-188. https://doi.org/10.1002/esp.3635

A major challenge for geomorphologists is to scale up small-magnitude processes to produce landscape form, yet existing approaches have been found to be severely limited. New ways to scale erosion and transfer of sediment are thus needed. This paper... Read More about Sediment connectivity: a framework for understanding sediment transfer at multiple scales.

Sources and transport of nitrogen in arid urban watersheds (2014)
Journal Article
Hale, R., Turnbull, L., Earl, S., Grimm, N., Riha, K., Michalski, G., Lohse, K., & Childers, D. (2014). Sources and transport of nitrogen in arid urban watersheds. Environmental Science and Technology, 48(11), 6211-6219. https://doi.org/10.1021/es501039t

Urban watersheds are often sources of nitrogen (N) to downstream systems, contributing to poor water quality. However, it is unknown which components (e.g., land cover and stormwater infrastructure type) of urban watersheds contribute to N export and... Read More about Sources and transport of nitrogen in arid urban watersheds.

Biotic mechanisms of community stability shift along a precipitation gradient (2014)
Journal Article
Hallett, L., Hsu, J., Cleland, E. E., Collins, S. L., Dickson, T. L., Farrer, E. C., Gherardi, L. A., Gross, K. L., Hobbs, R. K., Turnbull, L., & Suding, K. N. (2014). Biotic mechanisms of community stability shift along a precipitation gradient. Ecology, 95(6), 1693-1700. https://doi.org/10.1890/13-0895.1

Understanding how biotic mechanisms confer stability in variable environments is a fundamental quest in ecology, and one that is becoming increasingly urgent with global change. Several mechanisms, notably a portfolio effect associated with species r... Read More about Biotic mechanisms of community stability shift along a precipitation gradient.