• Fluvial carbon export from a lowland Amazonian rainforest in relation to atmospheric fluxes 

  Vihermaa, Leena E.; Waldron, Susan; Domingues, Tomas; Grace, John; Cosio, Eric G.; Limonchi, Fabian; Hopkinson, Christopher; da Rocha, Humberto R.; Gloor, Emanuel (AGU PublicationsArts and ScienceDepartment of Geography and EnvironmentUniversity of GlasgowUniversidade de Sao PauloUniversity of EdinburghPontificia Universidad Católica de PerúUniversity of LethbridgeUniversity of Leedshttps://doi.org/10.1002/2016JG003464, 2016)

  We constructed a whole carbon budget for a catchment in the Western Amazon Basin, combining drainage water analyses with eddy covariance (EC) measured terrestrial CO2 fluxes. As fluvial C export can represent permanent ...
• Mapping and understanding the vulnerability of northern peatlands to permafrost thaw at scales relevant to community adaptation planning 

  Gibson, C.; Cottenie, K.; Gingras-Hill, T.; Kokelj, S. V.; Baltzer, J. L.; Chasmer, Laura; Turetsky, M. R. (IOP Science PublishingArts and ScienceDepartment of Geograpy and EnvironmentUniversity of GuelphWilfrid Laurier UniversityNorthwest Territories Geologic SurveyUniversity of LethbridgeColorado Universityhttps://doi.org/10.1088/1748-9326/abe74b, 2021)

  Developing spatially explicit permafrost datasets and climate assessments at scales relevant to northern communities is increasingly important as land users and decision makers incorporate changing permafrost conditions ...
• Partitioning carbon losses from fire combustion in a montane valley, Alberta Canada 

  Gerrand, S.; Aspinall, J.; Jensen, T.; Hopkinson, Christopher; Collingwood, A.; Chasmer, Laura (ElsevierArts and ScienceDepartment of Chemistry and BiochemistryUniversity of LethbridgeDown to Earth LabsParks Canadahttps://doi.org/10.1016/j.foreco.2021.119435, 2021)

  Direct carbon (C) emissions from wildland fires have been difficult to quantify, especially in montane environments where sites are difficult to access. Here we examined pre-fire C partitioning and losses in a southern ...
• A synthesis of three decades of hydrological research at Scotty Creek, NWT, Canada 

  Quinton, William; Berg, Aaron; Braverman, Michael; Carpino, Olivia; Chasmer, Laura; Connon, Ryan; Craig, James; Devoie, Elise; Hayashi, Masaki; Haynes, Kristine; Olefeldt, David; Pietroniro, Alain; Rezanezhad, Fereidoun; Schincariol, Robert; Sonnentag, Oliver (European Geosciences UnionArts and ScienceDEpartment of Geography and EnvironmentWilfrid Laurier UniversityUniversity of GuelphGHD CanadaUniversity of LethbridgeUniversity of WaterlooUniversity of CalgaryUniversity of AlbertaNational Hydrology Research CentreWestern UniversityUniversité de Montréalhttps://doi.org/10.5194/hess-23-2015-2019, 2019)

  Scotty Creek, Northwest Territories (NWT), Canada, has been the focus of hydrological research for nearly three decades. Over this period, field and modelling studies have generated new insights into the thermal and physical ...
• Shrub changes with proximity to anthropogenic disturbance in boreal wetlands determined using bi-temporal airborne lidar in the Oil Sands Region, Alberta, Canada 

  Chasmer, Laura; Lima, E. Moura; Mahoney, Craig; Hopkinson, Christopher; Montgomery, Joshua; Cobbaert, Danielle (ElsevierArts and ScienceDepartment of Geograpy and EnvironmentUniversity of LethbridgeUniversidade Federale de Santa MariaAlberta Environment and Parkshttps://doi.org/10.1016/j.scitotenv.2021.146638, 2021)

  In this study, we used bi-temporal airborne lidar data to compare changes in vegetation height proximal to anthropogenic disturbances in the Oil Sands Region of Alberta, Canada. We hypothesize that relatively low-impact ...
• Peatland-fire interactions: a review of wildland fire feedbacks and interactions in Canadian boreal peatlands 

  Nelson, Kailyn; Thompson, D.; Hopkinson, Christopher; Petrone, R.; Chasmer, Laura (ElsevierArts and ScienceDepartment of Geograpy and EnvironmentUniversity of LethbridgeGreat Lakes Forestry CentreUniversity of Waterloohttps://doi.org/10.1016/j.scitotenv.2021.145212, 2021)

  Boreal peatlands store a disproportionately large quantity of soil carbon (C) and play a critical role within the global C-climate system; however, with climatic warming, these C stores are at risk. Increased wildfire ...
• Educating the next generation of remote sensing specialists: skills and industry needs in a changing world 

  Chasmer, Laura; Ryerson, Robert A.; Coburn, Craig A. (Taylor & FrancisArts and ScienceDepartment of Geograpy and EnvironmentUniversity of LethbridgeKim Geomatics Corporationhttps://doi.org/10.1080/07038992.2021.1925531, 2021)

  The landscape of post-secondary education has experienced a dramatic change in student outcomes over the past 20 years. The expectation for students in advanced education was a career in research and toward gaining employment ...
• SAR and lidar temporal data fusion approaches to boreal wetland ecosystem monitoring 

  Montgomery, Joshua; Brisco, Brian; Chasmer, Laura; Devito, Kevin; Cobbaert, Danielle; Hopkinson, Christopher (MDPIArts and ScienceDepartment of Geograpy and EnvironmentAlberta Environment and ParksUniversity of LethbridgeNatural Resources CanadaUniversity of Albertahttps://doi.org/10.3390/rs11020161, 2019)

  The objective of this study was to develop a decision-based methodology, focused on data fusion for wetland classification based on surface water hydroperiod and associated riparian (transitional area between aquatic and ...
• Remote sensing of boreal wetlands 2: methods for evaluating boreal wetland ecosystem state and drivers of change 

  Chasmer, Laura; Mahoney, Craig; Millard, Koreen; Nelson, Kailyn; Peters, Daniel; Merchant, Michael; Hopkinson, Christopher; Brisco, Brian; Niemann, Olaf; Montgomery, Joshua; Devito, Kevin; Cobbaert, Danielle (MDPIArts and ScienceDepartment of Chemistry and BiochemistryUniversity of LethbridgeAlberta Environment and ParksCarleton UniversityEnvironment and Climate Change CanadaDucks Unlimited CanadaCanada Centre for Mapping and Earth ObservationUniversity of VictoriaUniversity of Albertahttps://doi.org/10.3390/rs12081321, 2020)

  The following review is the second part of a two part series on the use of remotely sensed data for quantifying wetland extent and inferring or measuring condition for monitoring drivers of change on wetland environments. ...
• Remote sensing of boreal wetlands 1: data use for policy and mangement 

  Chasmer, Laura; Cobbaert, Danielle; Mahoney, Craig; Millard, Koreen; Peters, Daniel; Devito, Kevin; Brisco, Brian; Hopkinson, Christopher; Merchant, Michael; Montgomery, Joshua; Nelson, Kailyn; Niemann, Olaf (MDPIArts and ScienceDepartment of Geograpy and EnvironmentUniversity of LethbridgeAlberta Environment and ParksCarleton UniversityEnvironment and Climate Change CanadaUniversity of AlbertaCanada Centre for Mapping and Earth ObservationDucks Unlimited CanadaUniversity of Victoriahttps://doi.org/10.3390/rs12081320, 2020)

  Wetlands have and continue to undergo rapid environmental and anthropogenic modification and change to their extent, condition, and therefore, ecosystem services. In this first part of a two-part review, we provide ...
• The problem with David: masculinity and morality in Biblical cinema 

  McGeough, Kevin (University of Nebrask OmahaArts and ScienceDepartment of Geograpy and EnvironmentUniversity of Lethbridgehttps://digitalcommons.unomaha.edu/jrf/vol22/iss1/33, 2018)

  The King David of the Bible, and especially as portrayed in the books of Samuel, is one of the most complex characters in ancient literature. We are told his story from his youth as a shepherd until his death as king of ...
• Allometric equations for shrubs and short-stature tree aboveground biomass within boreal ecosystems of northwestern Canada 

  Flade, Linda; Hopkinson, Christopher; Chasmer, Laura (MDPIArts and ScienceDepartment of Geograpy and EnvironmentUniversity of Lethbridgehttps://doi.org/10.3390/f11111207, 2020)

  Aboveground biomass (AGB) of short-stature shrubs and trees contain a substantial part of the total carbon pool within boreal ecosystems. These ecosystems, however, are changing rapidly due to climate-mediated atmospheric ...
• Aboveground biomass allocation of boreal shrubs and short-stature trees in northwestern Canada 

  Flade, Linda; Hopkinson, Christopher; Chasmer, Laura (MDPIArts and ScienceDepartment of Geograpy and EnvironmentUniversity of Lethbridgehttps://doi.org/10.3390/f12020234, 2021)

  In this follow-on study on aboveground biomass of shrubs and short-stature trees, we provide plant component aboveground biomass (herein ‘AGB’) as well as plant component AGB allometric models for five common boreal shrub ...
• Pliocene and Early Pleistocene glaciation and landscape evolution on the Patagonian Steppe, Santa Cruz province, Argentina 

  Clague, John J.; Barendregt, Rene W.; Menounos, Brian; Roberts, Nicholas J.; Rabassa, Jorge; Martinez, Oscar; Ercolano, Bettina; Corbella, Hugo; Hemming, Sidney R. (ElsevierArts and ScienceDepartment of GeographySimon Fraser UniversityUniversity of LethbridgeUniversity of Northern British ColumbiaMineral Resources TasmaniaCADIC-CONICETUniversidad Nacional de la Patagonia San Juan BoscoUniversidad Nacional de Tierra del FuegoMuseo Argentino de Ciencias Naturales CONICETColumbia Universityhttps://doi.org/10.1016/j.quascirev.2019.105992, 2020)

  At least seven late Pliocene tills cap plateaus (mesetas) south of Lago Viedma, just east of the Andes in Argentine Patagonia. Chronologic constraints on the tills are provided by 40Ar/39Ar ages and magnetic polarities on ...
• Quantifying land use effects on forested riparian buffer vegetation structure using LiDAR data 

  Wasser, Leah; Chasmer, Laura; Day, Rick; Taylor, Alan (Arts and ScienceDepartment of GeographyNational Ecological Observatory NetworkUniversity of LethbridgePennsylvania State Universityhttps://doi.org/10.1890/ES14-00204.1, 2015)

  Quantifying variability of forested riparian buffer (FRB) vegetation structure with variation in adjacent land use supports an understanding of how anthropogenic disturbance influences the ability of riparian systems to ...
• Multiple tropical Andean glaciations during a period of late Pliocene warmth 

  Roberts, Nicholas J.; Barendregt, René W.; Clague, John J. (Nature ResearchArts and ScienceDepartment of GeographySimon Fraser UniversityUniversity of Lethbridgehttps://doi.org/10.1038/srep41878, 2017)

  The extent and behaviour of glaciers during the mid-Piacenzian warm period illustrate the sensitivity of the cryosphere to atmospheric CO2 concentrations above pre-industrial levels. Knowledge of glaciation during this ...
• Glacier surge propagation by thermal evolution at the bed 

  Murray, Tavi; Stuart, Graham W.; Miller, Paul J.; Woodward, John; Smith, Andrew M.; Porter, Philip R.; Jiskoot, Hester (American Geophysical UnionArts and ScienceDepartment of GeographyUniversity of LeedsNatural Environmental Research Council (U.K.)University of Lethbridgehttps://dx.doi.org/10.1029/2000JB900066, 2000)

  Bakaninbreen, southern Svalbard, began a prolonged surge during 1985. In 1986, an internal reflecting horizon on radio echo sounding data was interpreted to show that the position of the surge front coincided with a ...
• Late surge glacial conditions on Bakaninbreen, Svalbard, and implications for surge termination 

  Smith, A. M.; Murray, Tavi; Davison, B. M.; Clough, A. F.; Woodward, J.; Jiskoot, Hester (American Geophysical UnionArts and ScienceDepartment of GeographyNatural Environmental Research Council (U.K.)University of LeedsLancaster UniversityBrunel UniversityUniversity of CalgaryUniversity of Lethbridgehttps://dx.doi.org/10.1029/2001JB000475, 2002)

  Bakaninbreen is a polythermal glacier in southern Spitsbergen, Svalbard, that last surged between 1985 and 1995. Seismic reflection data were acquired during early quiescence in spring 1998, just upstream of the surge ...
• Is there a single surge mechanism? Contrasts in dynamics between glacier surges in Svalbard and other regions 

  Murray, Tavi; Strozzi, Tazio; Luckman, Adrian; Jiskoot, Hester; Christakos, Panos (American Geophysical UnionArts and ScienceDepartment of GeographyUniversity of LeedsUniversity of WalesUniversity of Lethbridgehttps://dx.doi.org/10.1029/2002JB001906, 2003)

  During the 1990s, Monacobreen, a 40-km-long tidewater glacier in Svalbard, underwent a major surge. We mapped the surge dynamics using ERS synthetic aperture radar images, differential dual-azimuth interferometry and ...
• Meteorological controls on snowpack formation and dynamics in the southern Canadian Rocky Mountains 

  Pigeon, Karine E.; Jiskoot, Hester (Taylor & Francis OpenArts and ScienceDepartment of GeographyUniversity of Lethbridgehttps://doi.org/10.1657/1523-0430(07-054)[PIGEON]2.0.CO;2, 2008)

  Considerable spatial variability in snow properties exists within apparently uniform slopes, often resulting from microscale weather patterns determined by local terrain. Since it is costly to establish abundant weather ...

View more