Historical case study · Public sources

Lausitz, Germany.

What land and water-body change is visible?

18.06.2019 · Sentinel-2 · Optical
18.06.2019Sentinel-2 · Optical
27.05.2026 · Sentinel-2 · Optical
27.05.2026Sentinel-2 · Optical

Contains modified Copernicus Sentinel data (2019, 2026). Sources, review and limits →

Archive boundary

Public source review v0.3, 27 September 2026. The dated source inputs remain unchanged.

This historical case study uses public Copernicus source data. It is not a customer record or a statement of project performance. Human review and supporting documentary and engineering evidence remain necessary.

Historical case study · public sources · archive only

3BrainAI CRI Evidence Pack

Lausitz, Germany – post-mining transformation

Environmentally impacted former open-pit lignite mine undergoing large-scale flooding and redevelopment.

What visible land and water-body change occurred between June 2019 and May 2026, and which engineering and environmental records are needed to assess it?

Dated optical observations show a change from predominantly exposed surfaces in June 2019 to a large water body in May 2026. Engineering completion, water quality and geotechnical condition cannot be determined from imagery alone.

Records needed for review

Which project boundary, flooding plan and dated environmental and engineering records should the responsible reviewer examine?

Observed – dated public evidence

The May 2026 observation shows a large water body where the June 2019 baseline showed predominantly exposed surfaces.

  • Substantial visible land and water-body change is present.
  • The dated pair provides comparable surface context.
  • The visible change does not establish overall completion.

Different acquisition dates and seasonal surface conditions affect direct comparison. The imagery does not establish cause, engineering completion, water quality, geotechnical safety or regulatory compliance.

The dated pair supports a bounded observation of land and water-body change. Documentary and engineering evidence remain necessary to relate this change to the relevant project scope.

Confirm the relevant project boundary and compare the observation pair with dated flooding, environmental and engineering records.

Confidence applies only to the visible land and water-body observation – not to overall project completion, safety or compliance.

Interpretation of WATCH: evidence sufficiency and the need for documentary review. It is not a negative project rating and does not indicate delay, breach or default.

Dated optical observation pair · true colour · public Copernicus inputs

Sentinel-2 L2A

The images show the full area of interest for geographic context. The target CRI workflow is intended to focus on selected zones, structures and project milestones at finer detail by combining appropriate observation and project data.

Sentinel-2 true-colour view of the Cottbuser Ostsee area on 18 June 2019, showing predominantly exposed surfaces 18 Jun 2019
T0 · BaselineSentinel-2B L2A · 18 Jun 2019 · 10 m/pixel
Sentinel-2 true-colour view of the Cottbuser Ostsee area on 27 May 2026, showing a large water body 27 May 2026
T1 · ObservationSentinel-2C L2A · 27 May 2026 · 10 m/pixel

Public Copernicus observation pair used to illustrate a concept workflow. No client data or operational validation is represented.

Contains modified Copernicus Sentinel data (2019, 2026).