Bibliographic record
Abstract
River deltas formed by the uninterrupted flow of water carrying sediments and nutrients bring benefits to humans, including natural resources (e.g., water, aquatic and terrestrial species) and fertile land. However, the sustainability of river deltas is threatened by large hydraulic infrastructure (e.g., upstream dams) and other human activities. For example, the Saskatchewan River Delta in northern Canada is threatened because dams upstream interrupt the sediment transport, resulting in declining sediment levels. Sediment transport is a complex, multi-dimensional, and dynamic process. In recent decades, the development of computer applications and computing capacities has made it possible to analyze soil erosion and sediment transportation through sophisticated simulations. This study’s primary goal was to understand how human activities influence sediment transport in the Saskatchewan River below the E.B. Campbell Dam and into the Saskatchewan River Delta. The Hydrologic Engineering Center’s-River Analysis System (HEC-RAS) was used to determine the sediment transport capacity. Sediment transport and hydraulic models were developed through HEC-RAS using cross-sectional data, historical flow data, elevation, and sediment data. The findings of this research offered an important understanding of the larger patterns of the overall sediment transport along the Saskatchewan River, particularly downstream of the E.B. Campbell Dam, which is significant for the local communities (e.g., Cumberland House). The findings corroborated that human activities have affected the river and its delta. The river channel experienced alterations due to fast-moving water released from the dams along its course. Several mitigation strategies aimed at facilitating the movement of reservoir sediment provided valuable perspectives on sediment management strategies. The alterations observed in the riverbed, such as erosion or deposition resulting from inadequate sediment transport, served as useful indicators of how dam construction and operation have influenced the hydrological patterns of the Saskatchewan River.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.005 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.006 | 0.004 |
| Open science | 0.002 | 0.003 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.445 | 0.293 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".