John Wainwright
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View article: The Role of Connectivity in Understanding Grassland-Shrubland Regime Shifts: Impacts of Aridity, Grazing and Wind Dynamics
The Role of Connectivity in Understanding Grassland-Shrubland Regime Shifts: Impacts of Aridity, Grazing and Wind Dynamics Open
Regime shifts from grassland to shrubland are a key feature of dryland degradation, yet the role of connectivity in understanding these transitions remains poorly quantified. Using a connectivity-based ecogeomorphic model with climate endm…
View article: Filling the Gaps—Computational Approaches to Incomplete Archaeological Networks
Filling the Gaps—Computational Approaches to Incomplete Archaeological Networks Open
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 th…
View article: Filling the gaps. Computational approaches to incomplete archaeological networks
Filling the gaps. Computational approaches to incomplete archaeological networks Open
Networks are increasingly used to describe complex archaeological data in terms of nodes (the entities of the system) and edges (representing relationships like distance or similarity between each pair of nodes). Network analysis can then …
View article: Understanding the long-term development of an irrigation network using a sinuosity-based automatic classification of waterways
Understanding the long-term development of an irrigation network using a sinuosity-based automatic classification of waterways Open
This study investigates the use of planform sinuosity as a metric to produce an automatic classification of waterways in the pre-modern and present-day irrigation networks in the Konya Plain in south-central Türkiye. Results show that such…
View article: Water‐controlled ecosystems as complex networks: Evaluation of network‐based approaches to quantify patterns of connectivity
Water‐controlled ecosystems as complex networks: Evaluation of network‐based approaches to quantify patterns of connectivity Open
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…
View article: River(s) Wear: Water in the Expanded Field
River(s) Wear: Water in the Expanded Field Open
This article elaborates on an artist-in-residence project funded by the Leverhulme Trust in the Geography Department at Durham University in 2015–16. The project confronted artistic and scientific perspectives to investigate how people in …
View article: A least-cost network neutral landscape model of human sites and routes
A least-cost network neutral landscape model of human sites and routes Open
Context Neutral landscape models generate virtual landscapes that enable computer-based exploration of the effects of spatial patterns on ecological processes free from the restrictions of real-world experimentation. For some questions in …
View article: Water-controlled ecosystems as complex networks: Evaluation of network-based approaches to quantify patterns of connectivity
Water-controlled ecosystems as complex networks: Evaluation of network-based approaches to quantify patterns of connectivity Open
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…
View article: How do Natural Water Retention Measures modify connectivity on agricultural hillslopes?
How do Natural Water Retention Measures modify connectivity on agricultural hillslopes? Open
Fine-sediment input into river networks presents one of the biggest environmental pressures in agricultural catchment systems due to accelerating soil erosion rates associated with agricultural practices. To understand and effectively mana…
View article: Landslide impacts on sediment dynamics in mountainous rivers after large earthquake and typhoon events: A sediment connectivity approach
Landslide impacts on sediment dynamics in mountainous rivers after large earthquake and typhoon events: A sediment connectivity approach Open
Small mountainous rivers (SMRs) produce about 40% of the world’s sediment discharge from land to ocean. The dominant sources of this sediment are earthquake and typhoon-driven landslides. It is widely accepted that earthquake-induced…
View article: Quintessence from a state space perspective
Quintessence from a state space perspective Open
We use dynamical systems methods to study quintessence models in a spatially flat and isotropic spacetime with matter and a scalar field with potentials for which $λ(φ)=-V_{,φ}/V$ is bounded, thereby going beyond the exponential potential …
View article: Assessing sediment connectivity on agricultural hillslopes using sediment transport modeling and network analysis
Assessing sediment connectivity on agricultural hillslopes using sediment transport modeling and network analysis Open
<p>Fine sediment input into river systems is an environmental challenge of increasing significance due to accelerating soil-erosion rates in agricultural catchment systems. Along with erosion, sediment transport within cultivated hil…
View article: Gully erosion in southeast Nigeria: influence of land-use changes on gully catchment hydrology
Gully erosion in southeast Nigeria: influence of land-use changes on gully catchment hydrology Open
Gully erosion leads to soil loss and poses significant threats to availability of land for cultivation, food security and development of infrastructure. Hydrological changes driven by land-use changes are often identified as drivers of gul…
View article: Resilience and adaptation of agricultural practice in Neolithic Çatalhöyük, Turkey
Resilience and adaptation of agricultural practice in Neolithic Çatalhöyük, Turkey Open
Andrew Sherratt’s ‘Water, soil and seasonality’, World Archaeology (1980), signposted a long-term debate surrounding early farming adaptations to riverine landscapes in western Asia and Europe. Recent research at Çatalhöyük in central Anat…
View article: A multi‐method approach to analyse changes in gully characteristics between 2009 and 2018 in southeast Nigeria
A multi‐method approach to analyse changes in gully characteristics between 2009 and 2018 in southeast Nigeria Open
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 bet…
View article: Two classes of functional connectivity in dynamical processes in networks
Two classes of functional connectivity in dynamical processes in networks Open
The relationship between network structure and dynamics is one of the most extensively investigated problems in the theory of complex systems of recent years. Understanding this relationship is of relevance to a range of disciplines—from n…
View article: Holistic approaches to palaeohydrology: Reconstructing and modelling the Neolithic River Çarşamba and the riverscape of Çatalhöyük, Turkey
Holistic approaches to palaeohydrology: Reconstructing and modelling the Neolithic River Çarşamba and the riverscape of Çatalhöyük, Turkey Open
Alluvial landscapes have long been considered optimal locations for Neolithic settlement because of the availability of water and nutrient-bearing silts. However, the dynamics of these landscapes have often been underestimated in relation …
View article: A multi-method approach to analyze changes in gully characteristics between 2009 and 2018 in southeast Nigeria
A multi-method approach to analyze changes in gully characteristics between 2009 and 2018 in southeast Nigeria Open
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 between 2009 and 2018 using a m…
View article: A stylised view on structural and functional connectivity in dynamical processes in networks
A stylised view on structural and functional connectivity in dynamical processes in networks Open
The relationship of network structure and dynamics is one of most extensively investigated problems in the theory of complex systems of the last years. Understanding this relationship is of relevance to a range of disciplines -- from Neuro…
View article: Digging deep: Exploring the role of social cohesion and farmer decision-making in the resilience of historical socio-ecological systems
Digging deep: Exploring the role of social cohesion and farmer decision-making in the resilience of historical socio-ecological systems Open
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View article: Global-scale quantification of organic and inorganic carbon mobilisation via wind- and water-driven erosion&#160;
Global-scale quantification of organic and inorganic carbon mobilisation via wind- and water-driven erosion  Open
<p>Soil carbon content is greatly affected by soil degradation &#8211; in particular erosional processes &#8211; which cannot be ignored in the context of the global C cycle. Soil degradation, driven largely by wind and water…
View article: The problem of underpowered rivers
The problem of underpowered rivers Open
This study has hypothesized that for many rivers the trade‐off between flow accumulation and the decrease in slope along channel length means that stream power increases downstream and, moreover, that given the low slope angles in headwate…
View article: The Seasonality of Wetland and Riparian Taskscapes at Çatalhöyük
The Seasonality of Wetland and Riparian Taskscapes at Çatalhöyük Open
Seasonal variation in the natural world of Neolithic Çatalhöyük shaped the organization of daily life and the social world of its residents. Seasonal cycles in climatic patterns, hydrology, growing seasons of wild and domestic plants, and …
View article: Çatalhöyük and Its Landscapes
Çatalhöyük and Its Landscapes Open
T he landscape surrounding the site of Çatalhöyük has been transformed by centuries of land use and agricultural improvements (fig. 1). The most recent transformations started in the early twentieth century aiming to improve agricultural p…
View article: Estimating soil moisture from COSMO-SkyMed data at an active landslide site in North Yorkshire, UK
Estimating soil moisture from COSMO-SkyMed data at an active landslide site in North Yorkshire, UK Open
<p>Surface soil moisture is recognised as an important measurement for use in the assessment of potential slope instability in hydraulically driven landslides.&#160; In this poster we present a nine month time series of surface s…