The GEO-TREES initiative in partnership with the Forest Global Earth Observatory
(ForestGEO) through support from the Bezos Earth Fund invite applications for a
postdoctoral position in tropical forest terrestrial laser scanning for the estimation of
tropical forest carbon stocks.

GEO-TREES is an ambitious world-wide initiative – the world’s first ground-based,
standardized reference system to transparently and independently ensure that satellite
observations accurately represent real forest carbon stocks, in all forest types and
conditions, today and into the future. This unprecedented multi-network collaboration will
use innovative technology, partnerships and training, broad sampling, as well as long-term
commitment and fair funding for field partners to establish 100 core sites and 200
supplementary sites around the globe to measure and monitor forest biomass stocks. It will
deliver these data in a powerful portal – openly accessible to the public, to the science and
corporate communities, and to space agencies driving critical advances in satellite

The Forest Global Earth Observatory (ForestGEO) is a global network of forest research plots
and scientists dedicated to the study of forest function and diversity. ForestGEO conducts
long-term, large-scale research on forests around the world to increase scientific
understanding of forest ecosystems, guide sustainable forest management and natural-
resource policies, monitor the impacts of environmental change, and build capacity in forest
science. ForestGEO has joined forces with and TmFO, as well as ESA, CNRS,
and other forest plot networks including RAINFOR, AfriTRON, 2ndFor, and SEOSAW to
implement the GEO-TREES initiative.

High-quality, above-ground biomass reference data collected by the GEO-TREES initiative will
involve three sets of co-located measurements at all core sites: forest inventory data,
terrestrial laser scanning (TLS), and airborne laser scanning. These standardized
measurements share a common requirement for high-quality data acquisition, transparent
measurement protocols, and a long-term monitoring strategy. The integration of these three
sets of measurements provides the greatest reduction in uncertainty associated with
biomass measurements.

This postdoctoral position will focus on the collection and analysis of TLS data, and will
involve field data collection, data processing, management and analysis, and the
development of research papers based on the work. Importantly, the postdoc will be
responsible for coordinating efforts of different TLS teams to ensure consistent, accurate
and comparable data acquisitions across different sites and campaigns. The postdoc will also
be involved in training and capacity-sharing with GEO-TREES partners and associated
students in TLS-based research.

Candidates should hold a PhD in forest ecology, geography, environmental science,
surveying, engineering or related discipline, have strong written and communication skills,
and demonstrated ability to work in a team environment. They should have demonstrated
expertise in technical field measurements, particularly in lidar data collection and analysis
using TLS, ideally in forest-related applications. Candidates should have a strong analytical
background, with expertise in handling large datasets and excellent coding skills using 3D
data (R, Python etc.), and an established record of research and scholarly publication in their
area of expertise.

The position will be based at one of the institutions leading the TLS research for the GEO-
TREES initiative including the collaborating Smithsonian units, University College London, UK,
or GFZ Potsdam, Germany. The position will be co-supervised by TLS research leads at those
institutions and Dr. Stuart Davies (ForestGEO, STRI).

The position requires travel for extensive field work in tropical forest countries involved in
the GEO-TREES initiative.

The successful candidate will be appointed at the standard postdoctoral salary and benefits
at the selected host institution. The appointment is for two years initially, with opportunity
for extension based on successful performance. The start date is flexible; earlier start dates
are preferred.

To apply, send a single PDF file containing a cover letter including a statement of research
interest, CV, contact information for three references, and three relevant publications or
manuscripts to Lauren Krizel, ForestGEO Program Manager,

Review of applications will begin on 15 December 2023 and continue until the position is

For further information, contact Stuart Davies, ( or Jérôme Chave

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