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Soil Moisture Data from the Brightwater Creek Pasture Site (2012-2014)
Federated Research Data Repository / dépôt fédéré de données de recherche
Peterson, Amber; Helgason, Warren; Ireson, Andrew — 2024-03-27 This dataset includes root-zone and surface soil moisture measurements from a heterogeneous grazed pasture site (containing both Solonetzic (sodic) and Chernozemic (non-sodic) soil) located within the Brightwater Creek watershed (central Saskatchewan). Surveys of surface soil moisture (0–6cm) were conducted on four different measurement days ranging from extreme wet to extreme dry conditions. On each survey, moisture was measured over a 500m by 500m area at a grid spacing of 20m resulting in 625 points. Root-zone soil moisture (0–110cm) was monitored at 21 locations, primarily with 50m spacing along 2 transects. Measurements were taken at 20, 40, 60, 80, and 100cm depth by neutron probe; bi-weekly in 2012–2013 and monthly in 2014. At each monitoring location, the potential controls on soil moisture were measured. This included elevation, vegetation type, maximum snow water equivalent, bulk density, and the exchangeable sodium percentage. This data is suitable for examining the spatial and temporal variability of soil moisture and its controlling factors, as well as testing upscaling techniques. https://creativecommons.org/licenses/by/4.0/
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The Swift Current hillslopes, Saskatchewan: Digital elevation data
Federated Research Data Repository / dépôt fédéré de données de recherche
Coles, Anna; Russell, Mark; Onclin, Cuyler; Helgason, Warren; Peterson, Amber; Solohub, Michael; McDonnell, Jeffrey — 2024-03-27 The Swift Current hillslopes at the Swift Current Research and Development Centre on the Canadian Prairies are a long-term hydrological research site. Over the last 50 years, the site has supported research on the effects of climate change and land management change on snowmelt-runoff, soil erosion and nutrient transport from agricultural hillslopes. High-resolution digital elevation data are essential for spatially-distributed understanding of these runoff delivery and transport processes. The three hillslopes are rectangular in shape, each approximately 150 m wide (east-west) and 300-320 m long (north-south), with areas of 4.25 ha (Hillslope 1), 4.66 ha (Hillslope 2), and 4.86 ha (Hillslope 3). This dataset provides two sets of bare-ground digital elevation data for the Swift Current hillslopes. The first set contains digital elevation data collected at a 2 m horizontal resolution for each of the three hillslopes using a Leica Viva GS15 on 17-18 April 2012. The second set contains two digital elevation models at a 0.25 m horizontal resolution for Hillslope 2 obtained using an Optech ILRIS-LR Terrestrial Laser Scanner on 7 July 2014 and 24 September 2014. These finer-resolution 2014 surveys capture the surface micro-topography of Hillslope 2 under a tilled condition with non-directional variations in surface roughness (random toughness) as well as under a seeded condition with uni-directional ridge-and-furrow features (oriented roughness). These digital elevation data provide the scientific and engineering communities with an opportunity to advance our understanding of spatial hydrological processes and the importance of micro-topographic features. **Please note: This dataset is linked to an ESSD paper at https://doi.org/10.5194/essd-11-1375-2019.  The authors kindly request that you reference this paper in addition to the dataset. https://creativecommons.org/licenses/by/4.0/

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(Author: Peterson, Amber)

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