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Riparian bufferCompleted

Mainz–Wiesbaden Riparian Buffer Strips

Establishment of 12 km of native riparian buffer strips along the Middle Rhine, filtering agricultural runoff and improving bank habitat.

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Mittelrhein · HydroBASINS L8: 2020044920
Sept 2022 – Jun 2024
Struktur- und Genehmigungsdirektion Süd / NABU Rheinland-Pfalz
95 ha · € 1.1M
Sub-basin location
HydroBASINS Level 8 polygon

Sub-basin boundary: HydroBASINS Level 8 (HYBAS_ID 2020044920) · Polygon is approximate at this zoom

Basin Health Impact
Before vs. projected after project contribution
Water Quantity+2 pts
Before
64Risk
After
66Risk
Water Quality+5 pts
Before
78Good
After
83Good
Riparian Habitat+10 pts
Before
74Good
After
84Good
Composite BHS contribution+5 pts

Weighted: Quantity × 0.45 + Quality × 0.20 + Habitat × 0.35

Ground Validation
IoT sensors · Galileo/EGNOS certified
Lobith Discharge Gauge
Discharge
Galileo ±0.3m
Sentinel-1 SAR coherence
Satellite: 1910 m³/sIn-situ: 1840 m³/s
96% agreement
Rotterdam Estuary Turbidity Probe
Turbidity
Galileo ±0.4m
Sentinel-2 B04 reflectance
Satellite: 19.8 NTUIn-situ: 18.4 NTU
93% agreement

In-situ readings from Galileo/EGNOS-certified IoT devices validate satellite-derived indices. High agreement confirms satellite-based BHS scoring for CSRD E3-4 discharge evidence.

Delivery metrics

Budget
€ 1.1M
Area
95 ha
Timeline
Sept 2022 – Jun 2024
Status
Completed
Delivered
12 km buffer strips established; nitrate load reduction ~18%
Compliance exports
Two primary live clicks: project + compliance JSON
  • CSRD
    ESRS E3-4Water consumption, basin stress and restoration contribution evidence
  • CSDDD
    Article 8Adverse-impact mitigation programme linked to basin outcomes
  • SBTN
    Step 3 — QuantityFreshwater target-setting inputs at sub-basin level
  • TNFD
    LEAP — LocateNature-risk evidence for geolocated restoration activity
Using live score context
Using live basin score
Audit trail
Replay the evidence lineage for this stewardship project
  1. Project geography
    HydroBASINS Level-8 anchor and project centroid used for repeatable basin-level evidence generation.
    hybas=2020044920
center=8.15000, 50.00000
  2. Evalscript versions
    Pinned, content-addressed evalscripts. Replayable byte-for-byte.
    sentinel2-bhs-combined-v1@static-snapshot
outputs=ndwi,mndwi,ndvi,ndmi,turbidity,chla,bare
  3. Source scenes
    Recent STAC scene IDs attached to the basin score run for audit replay.
    No STAC scene IDs attached
  4. Scoring function
    Basin sub-indices weighted via bhs-v0.5.0.
    quantity*0.45 + habitat*0.35 + quality*0.2
  5. Computation provenance
    Run signature stored with the exported project evidence pack.
    run=static-snapshot · at=2026-04-28T19:55:06.667Z

Partners

Operator
Struktur- und Genehmigungsdirektion Süd
Partner
NABU Rheinland-Pfalz

Basin context

Rhine Basin
BHS 71 · 2 projects · 58M people
View all projects in Rhine Basin →