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Ocean Ledger
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Who we help
Conservation

When scaled to local areas, open-source remote sensing datasets lack the accuracy and flexibility needed for nature-based solutions, and field drone surveys are too costly to cover large areas. Ocean Ledger provides projects with robust baseline classifications of coastal ecosystems, including above-ground, intertidal, and benthic zones. By integrating local knowledge and sampling methods with advanced remote sensing, we deliver the best of both approaches.

97%

Is the rate by which mangrove can slow down erosion rate in addition to wave attenuation.

$391M

Is how much restored coral reefs could save Florida and Puerto Rico annually, by protecting coastal infrastructures and communities from flood damage and lost economic activity.
What we do to help

To support medium and large-scale conservation projects, Ocean Ledger has the expertise to guide field teams based on an initial diagnostic classification, which saves time and cost compared to manual field approaches, while improving the standardisation and accuracy of the final outputs.

Project feasibility assessment
Our approach allows us to create a localised baseline of ecosystem extent and analyse statistical hotspots of gain/loss at 10 and 20-metre resolution. These historical insights can be used to prioritise areas for nature-based solutions and inform marine spatial planning. This can also be an initial assessment to target areas for high-resolution satellite imagery analysis or aerial surveys.
High-resolution baseline & guided field surveys
Using 3 or 5-metre imagery and any existing suitable reference data, we can classify ecosystem extent and use spatial uncertainties to guide additional sampling efforts. Our models are trained on baseline reference data with the ability to integrate field data and spectral references for validation and post-calibration. We go beyond ecosystem extent to quantify ecosystem conditions and services that can complement other data sources, such as eDNA. Our methods for ecosystem condition (seagrass and mangroves) are based on the Accounting for Nature Framework.
Continuous monitoring
We connect across the risk cycle, providing surge insight for traditional and parametric insurance as well as site-based risk management. By integrating deep-dive assessments, portfolio monitoring, and risk transfer support, Ocean Ledger strengthens resilience and improves decision-making for all stakeholders.

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Accuracy

  • Open-source tools and datasets are incredibly valuable resources and can be a good starting point, depending on budget and project scale. However, they often contain data and time gaps, and their accuracy breaks down when applied at local scales.
  • Ocean Ledger fills these gaps with spatially accurate, frequently updated data — particularly useful for projects tied to financial instruments (e.g. biodiversity credits), which demand up-to-date and verifiable baselines.

Usability

  • Open-source data can typically be downloaded, but it often lacks flexibility for deeper manipulation.
  • Ocean Ledger delivers precise, forecastable data tailored to user needs — and enables integration of field data for comprehensive, context-specific analysis.

Monitoring

  • National open datasets are usually updated every 5–10 years, with limited projections and low transparency.
  • Ocean Ledger updates every 6 days, provides high-resolution forecasts (every 50–100m), and includes uncertainty maps to support rapid decision-making for changing coastal conditions.

Transparency

  • Open data may reference accuracy metrics but rarely discloses full model uncertainties.
  • Ocean Ledger provides spatial and temporal uncertainty metrics, F1 scores, and performance data for every model and output.

We distinguish between Primary Satellite-Derived Data Products and Advanced Insights. The latter are enhanced outputs that build upon or integrate the core insights from the Primary Products to deliver deeper, more actionable insights.

Currently, our available data products include:

  • Primary Satellite-Derived Data Products
  • Advanced Insights (enhanced outputs that build on core products for deeper analysis)

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Please get in touch to request our latest Tech Report for more information on each data product.

This is the main interface between Ocean Ledger and its clients. Built in-house, the dashboard offers:

  • Seamless access (API, raw data downloads) to spatial data products for erosion, bathymetry, natural capital
  • Heatmap analysis (with customisable thresholds) to identify erosion, storm surge and ecosystem degradation
  • Standardised & Custom Solutions for Scenario Analysis, Climate Modelling & Restoration Uplift
  • Trigger thresholds for early warning and risk mitigation
  • Accurate baselines and continuous monitoring
  • Transparency on data sources, accuracy, and uncertainty metrics

Yes! Please fill out our online form, and we’ll get back to you with options to demonstrate our solution for your project.

Most flood-risk and cat risk providers leverage the same digital elevation models (DEM’s). Ocean Ledger provides a next-generation DEM that fuses bathymetry, shoreline and natural defenses, which are key variables in identifying where there is more or less storm surge risk along a coastline.