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Dr. Jens Hartmann

Professor — University of Hamburg

Methodology focus

Professor at the University of Hamburg Institute of Geology. Leading researcher on the global silicate-weathering sink and on sensor-level MRV for enhanced weathering. His electrical-conductivity-proxy research is the kind of per-field signal that proof packs aggregate.

Trellison / LedgerWell intersection. Sensor + data standards for a nascent market.

Affiliation
University of Hamburg
Role
Professor
Axis
Nature-Based MRV
Tier
Tier 3

Selected publications

Alignment with proof packs

Their methodology / roleProof-pack / Trellison fit
EC-proxy measurement for ERWProof-pack ERW schema includes EC time-series fields
Global weathering sink baselineProof-pack regional baselining

Collaboration concepts

Concept 1

EC-proxy proof-pack schema extension

Add Hartmann's EC-proxy method as a proof-pack ERW field.

Concept 2

Hamburg / Trellison joint ERW benchmark

Multi-site ERW benchmark with sensor-level proof packs.

Outreach approach

A draft opening message previously appeared here. It has been withdrawn from publication and archived internally. No contact has been made. Outreach drafts are not published against a named individual prior to contact and clearance.

What we do not ask for

  • Endorsement of Trellison, LedgerWell, DaedArch, or any affiliated entity.
  • Exclusivity or first-look rights on research findings.
  • Unpaid labour. Any advisor role is compensated with a modest honorarium and disclosed on the record.
Disclosure: Compiled from public sources through April 2026. Inclusion does not imply endorsement, affiliation, or reciprocal interest. Corrections: About.

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