Editorial: Frontiers in marine geomorphometry
Bibliographic record
Abstract
Marine geomorphometry is the science of quantitative terrain characterization applied to the seabed. Like many geospatial applications, techniques used for marine geomorphometry have been sourced from the terrestrial sciences. Through progress in the fields of seabed mapping, marine geomorphology, benthic habitat mapping, and marine ecology, scientists have realized new and unique requirements for characterizing the seafloor terrain. Simultaneously, great advances in seafloor mapping technologies have revolutionized our capacity to map the oceans in high detail. The widespread uptake of swath mapping technologiesnamely, multibeam echosoundersenables the production of spatially continuous high-resolution bathymetric surfaces, akin to those produced using electromagnetic remote sensing on land. In parallel, new methods for satellite-derived bathymetry and the increasing availability of bathymetric LiDAR products provide new digital surface models of underwater coastal environments. These innovations, coupled with the unique data requirements of marine science, provides opportunities for innovation within the burgeoning field of marine geomorphometry.This Research Topic on Frontiers in Marine Geomorphometry is a forum through which to communicate the latest innovations within this field. Here, we invited contributions addressing all aspects of geomorphometry that introduce new knowledge or approaches to improve understanding of seafloor environmentsfrom the coast to the abyss. The United Nations has declared 2021-2030 the Decade of Ocean Science for Sustainable Development, and corresponding efforts to map the global oceans have accelerated greatly. The influx of ocean data creates unprecedented opportunities to study and characterize the seafloor. Our goal in establishing this Research Topic was to support the dissemination of novel approaches and applications of quantitative analysis of seafloor mapping datasets to enhance our ability to understand, monitor, and manage the oceans.Marine geomorphometry has become well-established within the decade. The fields marine 38 geology, geomorphology, and habitat mapping were early adopters of geomorphometric approaches 39 (Wilson al., Lecours et al., 2016)
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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 | 0.005 | 0.017 |
| Meta-epidemiology (narrow) | 0.004 | 0.001 |
| Meta-epidemiology (broad) | 0.003 | 0.003 |
| Bibliometrics | 0.003 | 0.001 |
| Science and technology studies | 0.003 | 0.003 |
| Scholarly communication | 0.008 | 0.006 |
| Open science | 0.004 | 0.002 |
| Research integrity | 0.013 | 0.014 |
| Insufficient payload (model declined to judge) | 0.042 | 0.024 |
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".