The prediction and mapping of coastal flood risk associated with storm surge events and long-term sea level changes
Bibliographic record
Abstract
Non-specialized researchers, emergency management personnel, and land use planners require an accurate, inexpensive method to determine and map risk associated with storm surge events and long-term sea level rise associated with climate change.This study has developed new geomatics tools to map flood risk and has been applied to a case study area in the Minas Basin, Bay of Fundy, Canada.The Minas Basin has the highest recorded tides in the world and agricultural and rural development has been established along the coastline behind dykes, which are up to 3 m high.A newly developed ArcGIS tool, Storm flood, in conjunction with a newly developed software program Water Modeler, and a LiDAR derived Digital Elevation Model (DEM) were used together to map coastal flood risk.Storm flood uses the LiDAR derived DEM as a base and calculates the area of inundation assuming a still water level.The tool also ensures that connectivity is enforced so that the storm surge waters are sourced from the ocean and that low-lying inland areas that do not have free connection to the ocean are not inundated.This "connectivity check" overcomes a limitation of some standard third party hydrologic modelling tools such as HEC-RAS that do not check for connectivity to source waters that in some cases cause the resultant inundation maps to be incorrect when imported into a GIS environment.The recurrence intervals of a given water level are determined using Water Modeler by using the time series of local tide gauge records.Relative changes in sea level associated eustatic conditions, from climate change, and local crustal motion can be incorporated into the software to calculate the return period of water levels in the future under variable conditions
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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".