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Understanding the effects of spatially variable riparian tree planting strategies to target water temperature reductions in rivers (2024)
Journal Article
Dugdale, S. J., Malcolm, I. A., & Hannah, D. M. (2024). Understanding the effects of spatially variable riparian tree planting strategies to target water temperature reductions in rivers. Journal of Hydrology, 635, Article 131163. https://doi.org/10.1016/j.jhydrol.2024.131163

Climate change is increasing river temperature globally, altering the thermal suitability for iconic cold-water adapted fishes. In regions with low tree cover, the impacts of projected climate change on river temperature will be particularly pronounc... Read More about Understanding the effects of spatially variable riparian tree planting strategies to target water temperature reductions in rivers.

Rising water temperature in rivers: Ecological impacts and future resilience (2024)
Journal Article
Johnson, M. F., Albertson, L. K., Algar, A. C., Dugdale, S. J., Edwards, P., England, J., …Wood, P. J. (2024). Rising water temperature in rivers: Ecological impacts and future resilience. Wiley Interdisciplinary Reviews: Water, Article e1724. https://doi.org/10.1002/wat2.1724

Rising water temperatures in rivers due to climate change are already having observable impacts on river ecosystems. Warming water has both direct and indirect impacts on aquatic life, and further aggravates pervasive issues such as eutrophication, p... Read More about Rising water temperature in rivers: Ecological impacts and future resilience.

An AI approach to operationalise global daily PlanetScope satellite imagery for river water masking (2023)
Journal Article
Valman, S. J., Boyd, D. S., Carbonneau, P. E., Johnson, M. F., & Dugdale, S. J. (2024). An AI approach to operationalise global daily PlanetScope satellite imagery for river water masking. Remote Sensing of Environment, 301, Article 113932. https://doi.org/10.1016/j.rse.2023.113932

Monitoring rivers is vital to manage the invaluable ecosystem services they provide, and also to mitigate the risks they pose to property and life through flooding and drought. Due to the vast extent and dynamic nature of river systems, Earth Observa... Read More about An AI approach to operationalise global daily PlanetScope satellite imagery for river water masking.

Combining Landsat TIR ‐imagery data and ERA5 reanalysis information with different calibration strategies to improve simulations of streamflow and river temperature in the Canadian Subarctic (2023)
Journal Article
Rincón, E., St‐hilaire, A., Bergeron, N. E., & Dugdale, S. J. (2023). Combining Landsat TIR ‐imagery data and ERA5 reanalysis information with different calibration strategies to improve simulations of streamflow and river temperature in the Canadian Subarctic. Hydrological Processes, 37(10), Article e15008. https://doi.org/10.1002/hyp.15008

Arctic and Subarctic environments are among the most vulnerable regions to climate change. Increases in liquid precipitation and changes in snowmelt onset are cited as the main drivers of change in streamflow and water temperature patterns in some of... Read More about Combining Landsat TIR ‐imagery data and ERA5 reanalysis information with different calibration strategies to improve simulations of streamflow and river temperature in the Canadian Subarctic.

Drought impacts on river water temperature: A process‐based understanding from temperate climates (2023)
Journal Article
White, J. C., Khamis, K., Dugdale, S., Jackson, F. L., Malcolm, I. A., Krause, S., & Hannah, D. M. (2023). Drought impacts on river water temperature: A process‐based understanding from temperate climates. Hydrological Processes, 37(10), Article e14958. https://doi.org/10.1002/hyp.14958

High river water temperature (Tw) extremes have been widely reported during drought conditions as extreme low-flows often coincide with high atmospheric energy inputs. This has significant implications for freshwater ecosystem health and sustainable... Read More about Drought impacts on river water temperature: A process‐based understanding from temperate climates.

Closing the gap between science and management of cold‐water refuges in rivers and streams (2023)
Journal Article
Mejia, F. H., Ouellet, V., Briggs, M. A., Carlson, S. M., Casas‐Mulet, R., Chapman, M., …Torgersen, C. E. (2023). Closing the gap between science and management of cold‐water refuges in rivers and streams. Global Change Biology, 29(19), 5482-5508. https://doi.org/10.1111/gcb.16844

Human activities and climate change threaten coldwater organisms in freshwater ecosystems by causing rivers and streams to warm, increasing the intensity and frequency of warm temperature events, and reducing thermal heterogeneity. Cold-water refuges... Read More about Closing the gap between science and management of cold‐water refuges in rivers and streams.

Analysis of Large-Scale Groundwater-Driven Cooling Zones in Rivers Using Thermal Infrared Imagery and Radon Measurements (2023)
Journal Article
Fakhari, M., Raymond, J., Martel, R., Drolet, J. P., Dugdale, S. J., & Bergeron, N. (2023). Analysis of Large-Scale Groundwater-Driven Cooling Zones in Rivers Using Thermal Infrared Imagery and Radon Measurements. Water, 15(5), Article 873. https://doi.org/10.3390/w15050873

The role of groundwater (GW) discharge on surface water (SW) quantity, quality and temperature is known to be important. Moreover, the effect of GW contributions to river thermal budgets is critical in natural rivers considering that water temperatur... Read More about Analysis of Large-Scale Groundwater-Driven Cooling Zones in Rivers Using Thermal Infrared Imagery and Radon Measurements.

Identification of Thermal Refuges and Water Temperature Patterns in Salmonid-Bearing Subarctic Rivers of Northern Quebec (2022)
Journal Article
Fakhari, M., Raymond, J., Martel, R., Dugdale, S. J., & Bergeron, N. (2022). Identification of Thermal Refuges and Water Temperature Patterns in Salmonid-Bearing Subarctic Rivers of Northern Quebec. Geographies, 2(3), 528-548. https://doi.org/10.3390/geographies2030032

In summer, salmonids can experience thermal stress during extreme weather conditions. This may affect their growth and even threaten their survival. Cool water zones in rivers constitute thermal refuges, allowing fish to be more comfortable to grow a... Read More about Identification of Thermal Refuges and Water Temperature Patterns in Salmonid-Bearing Subarctic Rivers of Northern Quebec.

A possible role for river restoration enhancing biodiversity through interaction with wildfire (2022)
Journal Article
Pugh, B. E., Colley, M., Dugdale, S. J., Edwards, P., Flitcroft, R., Holz, A., …Field, R. (2022). A possible role for river restoration enhancing biodiversity through interaction with wildfire. Global Ecology and Biogeography, 31(10), 1990-2004. https://doi.org/10.1111/geb.13555

Background: Historically, wildfire regimes produced important landscape-scale disturbances in many regions globally. The “pyrodiversity begets biodiversity” hypothesis suggests that wildfires that generate temporally and spatially heterogeneous mosai... Read More about A possible role for river restoration enhancing biodiversity through interaction with wildfire.

Looking to the Skies: Realising the Combined Potential of Drones and Thermal Infrared Imagery to Advance Hydrological Process Understanding in Headwaters (2022)
Journal Article
Dugdale, S. J., Klaus, J., & Hannah, D. M. (2022). Looking to the Skies: Realising the Combined Potential of Drones and Thermal Infrared Imagery to Advance Hydrological Process Understanding in Headwaters. Water Resources Research, 58(2), Article e2021WR031168. https://doi.org/10.1029/2021wr031168

In river systems, headwater networks contain the vast majority of the stream length. Thus, climate and land-use change in headwaters have disproportionate impacts on downstream ecosystems and societies that rely on them. Despite decades of hydrologic... Read More about Looking to the Skies: Realising the Combined Potential of Drones and Thermal Infrared Imagery to Advance Hydrological Process Understanding in Headwaters.

Riverscape approaches in practice: perspectives and applications (2021)
Journal Article
Torgersen, C. E., Le Pichon, C., Fullerton, A. H., Dugdale, S. J., Duda, J. J., Giovannini, F., …Baxter, C. V. (2022). Riverscape approaches in practice: perspectives and applications. Biological Reviews, 97(2), 481-504. https://doi.org/10.1111/brv.12810

Landscape perspectives in riverine ecology have been undertaken increasingly in the last 30 years, leading aquatic ecologists to develop a diverse set of approaches for conceptualizing, mapping and understanding ‘riverscapes’. Spatiotemporally explic... Read More about Riverscape approaches in practice: perspectives and applications.

The Importance of Including Water Temperature Simulations in a 2D Fish Habitat Model for the St. Lawrence River (2021)
Journal Article
Ouellet, V., St-Hilaire, A., Secretan, Y., Mingelbier, M., Morin, J., & Dugdale, S. (2021). The Importance of Including Water Temperature Simulations in a 2D Fish Habitat Model for the St. Lawrence River. Water, 13(13), Article 1736. https://doi.org/10.3390/w13131736

Extreme climatic conditions likely caused a massive fish mortality during the summer of 2001 in the St. Lawrence River. To corroborate this hypothesis, we used a physical habitat simulation approach incorporating hydraulic and water temperature model... Read More about The Importance of Including Water Temperature Simulations in a 2D Fish Habitat Model for the St. Lawrence River.

Thermal sensitivity of feeding and burrowing activity of an invasive crayfish in UK waters (2020)
Journal Article
Rodríguez Valido, C. A., Johnson, M. F., Dugdale, S. J., Cutts, V., Fell, H. G., Higgins, E. A., …Algar, A. C. (2021). Thermal sensitivity of feeding and burrowing activity of an invasive crayfish in UK waters. Ecohydrology, 14(1), Article e2258. https://doi.org/10.1002/eco.2258

Climate change and invasive species are among the biggest threats to global biodiversity and ecosystem function. Although the individual impacts of climate change and invasive species are commonly assessed, we know far less about how a changing clima... Read More about Thermal sensitivity of feeding and burrowing activity of an invasive crayfish in UK waters.

Adopting deep learning methods for airborne RGB fluvial scene classification (2020)
Journal Article
Carbonneau, P. E., Dugdale, S. J., Breckon, T. P., Dietrich, J. T., Fonstad, M. A., Miyamoto, H., & Woodget, A. S. (2020). Adopting deep learning methods for airborne RGB fluvial scene classification. Remote Sensing of Environment, 251, Article 112107. https://doi.org/10.1016/j.rse.2020.112107

Rivers are among the world's most threatened ecosystems. Enabled by the rapid development of drone technology, hyperspatial resolution ([less than]10 cm) images of fluvial environments are now a common data source used to better understand these sens... Read More about Adopting deep learning methods for airborne RGB fluvial scene classification.

River temperature research and practice: Recent challenges and emerging opportunities for managing thermal habitat conditions in stream ecosystems (2020)
Journal Article
Ouellet, V., St-Hilaire, A., Dugdale, S. J., Hannah, D. M., Krause, S., & Proulx-Ouellet, S. (2020). River temperature research and practice: Recent challenges and emerging opportunities for managing thermal habitat conditions in stream ecosystems. Science of the Total Environment, 736, Article 139679. https://doi.org/10.1016/j.scitotenv.2020.139679

There is growing evidence that river temperatures are increasing under climate change, which is expected to be exacerbated by increased abstractions to satisfy human water demands. Water temperature research has experienced crucial advances, both in... Read More about River temperature research and practice: Recent challenges and emerging opportunities for managing thermal habitat conditions in stream ecosystems.

An evaluation of different forest cover geospatial data for riparian shading and river temperature modelling (2020)
Journal Article
Dugdale, S. J., Hannah, D. M., & Malcolm, I. A. (2020). An evaluation of different forest cover geospatial data for riparian shading and river temperature modelling. River Research and Applications, 36(5), 709-723. https://doi.org/10.1002/rra.3598

Riparian tree planting is increasingly being used as a strategy to shade river corridors and offset the impact of climate change on river temperature. Because the circumstances under which tree planting generates the greatest impact are still largely... Read More about An evaluation of different forest cover geospatial data for riparian shading and river temperature modelling.

Mediterranean intermittent rivers and ephemeral streams: Challenges in monitoring complexity (2019)
Journal Article
Borg Galea, A., Sadler, J. P., Hannah, D. M., Datry, T., & Dugdale, S. J. (2019). Mediterranean intermittent rivers and ephemeral streams: Challenges in monitoring complexity. Ecohydrology, 12(8), https://doi.org/10.1002/eco.2149

In most cases, intermittent rivers and ephemeral streams (IRES) form the principal surface water bodies in Mediterranean regions and people are heavily dependent on them. Strong reliance on such streams results in numerous pressures, and complex rela... Read More about Mediterranean intermittent rivers and ephemeral streams: Challenges in monitoring complexity.

Arctic river temperature dynamics in a changing climate (2019)
Journal Article
Docherty, C. L., Dugdale, S. J., Milner, A. M., Abermann, J., Lund, M., & Hannah, D. M. (2019). Arctic river temperature dynamics in a changing climate. River Research and Applications, 35(8), 1212-1227. https://doi.org/10.1002/rra.3537

Climate change in the Arctic is expected to have a major impact on stream ecosystems, affecting hydrological and thermal regimes. Although temperature is important to a range of in‐stream processes, previous Arctic stream temperature research is limi... Read More about Arctic river temperature dynamics in a changing climate.

Comparing the behavioural thermoregulation response to heat stress by Atlantic salmon parr ( Salmo salar ) in two rivers (2019)
Journal Article
Corey, E., Linnansaari, T., Dugdale, S. J., Bergeron, N., Gendron, J., Lapointe, M., & Cunjak, R. A. (2019). Comparing the behavioural thermoregulation response to heat stress by Atlantic salmon parr ( Salmo salar ) in two rivers. Ecology of Freshwater Fish, https://doi.org/10.1111/eff.12487

Climate change is expected to increase the frequency and magnitude of extreme thermal events in rivers. The Little Southwest Miramichi River (LSWM) and the Ouelle River (OR) are two Atlantic salmon (Salmo salar) rivers located in eastern Canada, wher... Read More about Comparing the behavioural thermoregulation response to heat stress by Atlantic salmon parr ( Salmo salar ) in two rivers.

Drone-based Structure-from-Motion provides accurate forest canopy data to assess shading effects in river temperature models (2019)
Journal Article
Dugdale, S. J., Malcolm, I. A., & Hannah, D. M. (2019). Drone-based Structure-from-Motion provides accurate forest canopy data to assess shading effects in river temperature models. Science of the Total Environment, 678, 326-340. https://doi.org/10.1016/j.scitotenv.2019.04.229

Climatic warming will increase river temperature globally, with consequences for cold water-adapted organisms. In regions with low forest cover, elevated river temperature is often associated with a lack of bankside shading. Consequently, river manag... Read More about Drone-based Structure-from-Motion provides accurate forest canopy data to assess shading effects in river temperature models.

Assessing the potential of drone-based thermal infrared imagery for quantifying river temperature heterogeneity (2019)
Journal Article
Dugdale, S. J., Kelleher, C. A., Malcolm, I. A., Caldwell, S., & Hannah, D. M. (2019). Assessing the potential of drone-based thermal infrared imagery for quantifying river temperature heterogeneity. Hydrological Processes, 33(7), 1152-1163. https://doi.org/10.1002/hyp.13395

© 2019 Crown copyright. Hydrological Processes © 2019 John Wiley & Sons, Ltd. Climate change is altering river temperature regimes, modifying the dynamics of temperature-sensitive fishes. The ability to map river temperature is therefore important... Read More about Assessing the potential of drone-based thermal infrared imagery for quantifying river temperature heterogeneity.

Impact of future climate change on water temperature and thermal habitat for keystone fishes in the Lower Saint John River, Canada (2018)
Journal Article
Dugdale, S. J., Curry, R. A., St-Hilaire, A., & Andrews, S. N. (2018). Impact of future climate change on water temperature and thermal habitat for keystone fishes in the Lower Saint John River, Canada. Water Resources Management, 32(15), 4853-4878. https://doi.org/10.1007/s11269-018-2057-7

Water temperature is a key determinant of biological processes in rivers. Temperature in northern latitude rivers is expected to increase under climate change, with potentially adverse consequences for cold water-adapted species. In Canada, little is... Read More about Impact of future climate change on water temperature and thermal habitat for keystone fishes in the Lower Saint John River, Canada.

Thermal infrared imaging for the detection of relatively warm lacustrine groundwater discharge at the surface of freshwater bodies (2018)
Journal Article
Marruedo Arricibita, A. I., Dugdale, S. J., Krause, S., Hannah, D. M., & Lewandowski, J. (2018). Thermal infrared imaging for the detection of relatively warm lacustrine groundwater discharge at the surface of freshwater bodies. Journal of Hydrology, 562, 281-289. https://doi.org/10.1016/j.jhydrol.2018.05.004

Thermal infrared (TIR) imaging has been previously applied to survey relatively large thermal footprints in coastal zones, lakes, reservoirs and rivers. In freshwater systems, the buoyancy of relatively warm groundwater during the winter months allow... Read More about Thermal infrared imaging for the detection of relatively warm lacustrine groundwater discharge at the surface of freshwater bodies.

Avian sensor packages for meteorological measurements (2018)
Journal Article
Thomas, R. M., MacKenzie, A. R., Reynolds, S. J., Sadler, J. P., Cropley, F., Bell, S., …Cai, X. (2018). Avian sensor packages for meteorological measurements. Bulletin of the American Meteorological Society, 99(3), 499-511. https://doi.org/10.1175/bams-d-16-0181.1

The increasing miniaturization of accurate, reliable meteorological sensors and logging systems allows the deployment of sensor packages on lightweight airborne platforms. Here, we demonstrate the safe and humane use of avian species (white-tailed an... Read More about Avian sensor packages for meteorological measurements.

Understanding summertime thermal refuge use by adult Atlantic salmon using remote sensing, river temperature monitoring, and acoustic telemetry (2018)
Journal Article
Frechette, D. M., Dugdale, S. J., Dodson, J. J., & Bergeron, N. E. (2018). Understanding summertime thermal refuge use by adult Atlantic salmon using remote sensing, river temperature monitoring, and acoustic telemetry. Canadian Journal of Fisheries and Aquatic Sciences, 75(11), 1999-2010. https://doi.org/10.1139/cjfas-2017-0422

Adult Atlantic salmon (Salmo salar) return to natal rivers several months before spawning and during summer can be subjected to temperatures that exceed their upper temperature tolerance limits. Salmon use thermal refuges to minimize exposure to high... Read More about Understanding summertime thermal refuge use by adult Atlantic salmon using remote sensing, river temperature monitoring, and acoustic telemetry.

Effect of discharge and habitat type on the occurrence and severity of Didymosphenia geminata mats in the Restigouche River, eastern Canada (2018)
Journal Article
Gillis, C., Dugdale, S. J., & Bergeron, N. E. (2018). Effect of discharge and habitat type on the occurrence and severity of Didymosphenia geminata mats in the Restigouche River, eastern Canada. Ecohydrology, 11(5), Article e1959. https://doi.org/10.1002/eco.1959

Copyright © 2018 John Wiley & Sons, Ltd. Since 2006, the Restigouche River watershed, eastern Canada, has been affected by nuisance growths of the mat-forming diatom, Didymosphenia geminata. In 2010, in view of the potential impacts of this alga on... Read More about Effect of discharge and habitat type on the occurrence and severity of Didymosphenia geminata mats in the Restigouche River, eastern Canada.

Improving representation of riparian vegetation shading in a regional stream temperature model using LiDAR data (2017)
Journal Article
Loicq, P., Moatar, F., Jullian, Y., Dugdale, S. J., & Hannah, D. M. (2018). Improving representation of riparian vegetation shading in a regional stream temperature model using LiDAR data. Science of the Total Environment, 624, 480-490. https://doi.org/10.1016/j.scitotenv.2017.12.129

Modelling river temperature at the catchment scale is needed to understand how aquatic communities may adapt to current and projected climate change. In small and medium rivers, riparian vegetation can greatly reduce maximum water temperature by prov... Read More about Improving representation of riparian vegetation shading in a regional stream temperature model using LiDAR data.

Stream temperature under contrasting riparian forest cover: Understanding thermal dynamics and heat exchange processes (2017)
Journal Article
Dugdale, S. J., Malcolm, I. A., Kantola, K., & Hannah, D. M. (2018). Stream temperature under contrasting riparian forest cover: Understanding thermal dynamics and heat exchange processes. Science of the Total Environment, 610-611, 1375-1389. https://doi.org/10.1016/j.scitotenv.2017.08.198

Climate change is likely to increase summer temperatures in many river environments, raising concerns that this will reduce their thermal suitability for a range of freshwater fish species. As a result, river managers have pursued riparian tree plant... Read More about Stream temperature under contrasting riparian forest cover: Understanding thermal dynamics and heat exchange processes.

Automating drainage direction and physiographic inputs to the CEQUEAU hydrological model: Sensitivity testing on the lower Saint John River watershed, Canada (2017)
Journal Article
Dugdale, S. J., St-Hilaire, A., & Curry, R. A. (2017). Automating drainage direction and physiographic inputs to the CEQUEAU hydrological model: Sensitivity testing on the lower Saint John River watershed, Canada. Journal of Hydroinformatics, 19(3), 469-492. https://doi.org/10.2166/hydro.2017.051

© IWA Publishing 2017. CEQUEAU is a process-based hydrological model capable of simulating river flows and temperatures. Despite an active user base, no facility yet exists for the automatic assembly and input of watershed data required for flow simu... Read More about Automating drainage direction and physiographic inputs to the CEQUEAU hydrological model: Sensitivity testing on the lower Saint John River watershed, Canada.

Controls on Arctic glacier-fed river water temperature (2016)
Journal Article
Mellor, C. J., Dugdale, S. J., Garner, G., Milner, A. M., & Hannah, D. M. (2017). Controls on Arctic glacier-fed river water temperature. Hydrological Sciences Journal, 62(4), 499-514. https://doi.org/10.1080/02626667.2016.1261295

The impact of climate change on Arctic rivers is expected to be severe. There is therefore a need for greater understanding of Arctic river temperature processes. This study quantifies the spatio-temporal variability of water temperatures in the Kårs... Read More about Controls on Arctic glacier-fed river water temperature.

A practitioner's guide to thermal infrared remote sensing of rivers and streams: recent advances, precautions and considerations (2016)
Journal Article
Dugdale, S. J. (2016). A practitioner's guide to thermal infrared remote sensing of rivers and streams: recent advances, precautions and considerations. Wiley Interdisciplinary Reviews: Water, 3(2), 251-268. doi:10.1002/wat2.1135

Stream temperature is a key habitat variable controlling all physical and biological river processes. In light of the threat of climate change to fluvial environments, growing importance is being placed on the need to gain a better understanding of s... Read More about A practitioner's guide to thermal infrared remote sensing of rivers and streams: recent advances, precautions and considerations.

Temporal variability of thermal refuges and water temperature patterns in an Atlantic salmon river (2013)
Journal Article
Dugdale, S. J., Bergeron, N. E., & St-Hilaire, A. (2013). Temporal variability of thermal refuges and water temperature patterns in an Atlantic salmon river. Remote Sensing of Environment, 136, 358-373. https://doi.org/10.1016/j.rse.2013.05.018

In response to high summer river temperatures, salmonids avoid heat stress by making use of discrete units of cold water termed thermal refuges. Although recent research has documented how their spatial arrangement within a river affects salmonid dis... Read More about Temporal variability of thermal refuges and water temperature patterns in an Atlantic salmon river.

Making riverscapes real (2011)
Journal Article
Carbonneau, P. E., Fonstad, M. A., Marcus, W. A., & Dugdale, S. J. (2012). Making riverscapes real. Geomorphology, 137(1), 74-86. doi:10.1016/j.geomorph.2010.09.030

Aerial photosieving of exposed gravel bars for the rapid calibration of airborne grain size maps (2010)
Journal Article
Dugdale, S. J., Carbonneau, P. E., & Campbell, D. (2010). Aerial photosieving of exposed gravel bars for the rapid calibration of airborne grain size maps. Earth Surface Processes and Landforms, 35(6), 627-639. doi:10.1002/esp.1936

In recent years, fluvial remote sensing has seen considerable progress in terms of methods capable of system scale characterisation of river catchments. One key development is automated grain size mapping. It has been shown that high resolution aeria... Read More about Aerial photosieving of exposed gravel bars for the rapid calibration of airborne grain size maps.

An automated georeferencing tool for watershed scale fluvial remote sensing (2009)
Journal Article
Carbonneau, P. E., Dugdale, S. J., & Clough, S. (2011). An automated georeferencing tool for watershed scale fluvial remote sensing. River Research and Applications, 26(5), 650-658. doi:10.1002/rra.1263

In recent years, remotely sensed image datasets with ground resolutions below 10?cm have seen widening applications in fluvial sciences with the development of methods for image based measurements of bathymetry, grain sizes and habitat types. However... Read More about An automated georeferencing tool for watershed scale fluvial remote sensing.