Build a Coastal Flood Inundation STAC DEM Evaluator
Assess coastal commercial assets against digital elevation models retrieved from STAC catalogs. Model simulated storm surge water level scenarios to calculate structural ground-floor inundation exposure.
What you are building
The core problem, expected build, and operating context for this challenge.
Assess coastal commercial assets against digital elevation models retrieved from STAC catalogs. Model simulated storm surge water level scenarios to calculate structural ground-floor inundation exposure.
Coastal Vulnerability Engineer
Parse building perimeter footprints and recorded ground-floor elevations.
Retrieve high-resolution DEM raster assets using STAC Item bounding boxes.
Simulate storm surge inundation depths across multiple water level scenarios.
Compile an asset vulnerability schedule detailing expected inundation depth.
Browser-based map interface highlighting building footprints colored by depth of water under chosen surge heights.
Query public USGS 3DEP elevation STAC items or host mock elevation GeoTIFFs alongside STAC Item JSON files. Starter examples below are synthetic. They are not downloaded records.
STAC specification Accesses STAC Collection and Item specifications for lidar-derived digital elevation models (DEM) assets.
langgraph, rasterio, geopandas. LangGraph manages stateful cyclic evaluation across multiple storm surge height scenarios and asset batches. OpenAPI-compatible endpoint or hosted model for generating natural language engineering mitigation summaries.
Submit runnable source, pinned dependencies, setup commands, a working interface, example outputs, and a recorded end-to-end demo. Include tests and an action log.
Correctly extracts minimum elevation values inside building footprint boundaries.
Computes flood inundation depth as surge water level minus ground elevation.
Flags structures where inundation depth exceeds zero for a 2-meter surge event.
```json [ { "input": { "_record_type": "simplified synthetic app record", "building_id": "BLD-MIAMI-101", "stac_dem_item_id": "USGS-3DEP-DEM-01", "base_elevation_m": 1.4, "first_floor_height_m": 0.5, "simulated_surge_levels_m": [ 1, 2, 3 ] }, "expected_output": { "building_id": "BLD-MIAMI-101", "ground_inundation_at_2m": 0.6, "first_floor_breached_at_2m": true, "vulnerability_tier": "HIGH" } }, { "input": { "_record_type": "simplified synthetic app record", "building_id": "BLD-MIAMI-102", "stac_dem_item_id": "USGS-3DEP-DEM-02", "base_elevation_m": 3.8, "first_floor_height_m": 0.5, "simulated_surge_levels_m": [ 1, 2, 3 ] }, "expected_output": { "building_id": "BLD-MIAMI-102", "ground_inundation_at_2m": 0, "first_floor_breached_at_2m": false, "vulnerability_tier": "MINIMAL" } } ] ```
Simulation results are indicative risk indicators and must not supersede official FEMA Flood Insurance Rate Maps (FIRMs). Use mock external writes. Require human review before any real deployment.
Participation guide
Simulation results are indicative risk indicators and must not supersede official FEMA Flood Insurance Rate Maps (FIRMs). Use mock external writes and human review.
How work is evaluated
Correctly extracts minimum elevation values inside building footprint boundaries. Computes flood inundation depth as surge water level minus ground elevation. Flags structures where inundation depth exceeds zero for a 2-meter surge event.
Runnable source, pinned dependencies, setup commands, working interface, example outputs, recorded demo, tests, and action logs.
Challenge datasets
Public datasets, plus the private datasets you have access to.
How submissions are scored
These dimensions define what the evaluator checks and which criteria separate a passable run from a strong one.
Complete workflow
Parse building perimeter footprints and recorded ground-floor elevations. Retrieve high-resolution DEM raster assets using STAC Item bounding boxes. Simulate storm surge inundation depths across multiple water level scenarios. Compile an asset vulnerability schedule detailing expected inundation depth.
Missing or incorrect.
Partly complete, with documented gaps.
Complete, with reproducible evidence.
Correctness and evidence
Correctly extracts minimum elevation values inside building footprint boundaries. Computes flood inundation depth as surge water level minus ground elevation. Flags structures where inundation depth exceeds zero for a 2-meter surge event.
Missing or incorrect.
Partly complete, with documented gaps.
Complete, with reproducible evidence.
Review interface
Browser-based map interface highlighting building footprints colored by depth of water under chosen surge heights.
Missing or incorrect.
Partly complete, with documented gaps.
Complete, with reproducible evidence.
Safe execution
Simulation results are indicative risk indicators and must not supersede official FEMA Flood Insurance Rate Maps (FIRMs).
This dimension contributes its full weight only when the submission satisfies the requirement. Partial credit is not awarded.
What you should walk away with
Parse building perimeter footprints and recorded ground-floor elevations.
Retrieve high-resolution DEM raster assets using STAC Item bounding boxes.
Simulate storm surge inundation depths across multiple water level scenarios.
Compile an asset vulnerability schedule detailing expected inundation depth.
Reference links and supporting material
Query public USGS 3DEP elevation STAC items or host mock elevation GeoTIFFs alongside STAC Item JSON files. Supplied starter examples are synthetic, not source extracts.
Challenge setup
Configuration summary for this challenge.
Challenge input
Input details are not configured.
LangGraph
Runtime for stateful agent workflows.
Evaluated output
No output checks are configured.
- Parse building perimeter footprints and recorded ground-floor elevations. Retrieve high-resolution DEM rast...
- Correctly extracts minimum elevation values inside building footprint boundaries. Computes flood inundation...
- Browser-based map interface highlighting building footprints colored by depth of water under chosen surge h...
- 2 public reference cases
- 2 configured tools
Summary shows the first task, up to three tools, and up to three evidence items. Open the technical recipe to view all configured items.
View technical recipe
Configured tools
- LangGraph · Optional
- LangGraph · Optional
Evaluation contract
- Complete workflow · Weight 40
- Correctness and evidence · Weight 30
- Review interface · Weight 20
- Safe execution · Weight 10
Reference cases
- 2 public reference cases
Workflow tasks
No workflow tasks are configured.
Recipe freeze marker
No recipe freeze time is recorded.