Modeling the internal structure, dynamics and trends of urban sprawl in Ghanaian cities using remote sensing, spatial metrics and spatial analysis
Why this work is in the frame
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Bibliographic record
Abstract
In Ghana, studies on urban sprawl have focused on the use of conventional survey maps and qualitative descriptions that mask policy-relevant information for planning. We apply remote sensing data and spatial statistics to examine the Spatio-temporal dynamics in the internal structure of two cities. We find that the total area of the urban fabric in Wa increased from 11.365ha ± 0.413ha in 1986 to 1, 775.848ha ± 52.094ha in 2017, while Tamale’s increased from 715.425ha ± 5.969ha in 1984 to 6,890.177ha ± 208.105ha in 2017. The results also revealed contiguity in urban clusters. We discuss the implications of our findings within the context of spatial planning in Ghana.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it