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Review
. 2023 Mar 23;26(4):106489.
doi: 10.1016/j.isci.2023.106489. eCollection 2023 Apr 21.

Toward a roadmap for space-based observations of the land sector for the UNFCCC global stocktake

Affiliations
Review

Toward a roadmap for space-based observations of the land sector for the UNFCCC global stocktake

Osamu Ochiai et al. iScience. .

Abstract

Space-based remote sensing can make an important contribution toward monitoring greenhouse gas emissions and removals from the agriculture, forestry, and other land use (AFOLU) sector, and to understanding and addressing human-caused climate change through the UNFCCC Paris Agreement. Space agencies have begun to coordinate their efforts to identify needs, collect and harmonize available data and efforts, and plan and maintain a long-term roadmap for observations. International cooperation is crucial in developing and realizing the roadmap, and the Committee on Earth Observation Satellites (CEOS) is a key coordinating driver of this effort. Here, we first identify the data and information that will be useful to support the global stocktake (GST) of the Paris Agreement. Then, the paper explains how existing and planned space-based capabilities and products can be used and combined, particularly in the land use sector, and provides a workflow for their harmonization and contribution to greenhouse gas inventories and assessments at the national and global level.

Keywords: Earth sciences; Land use; Remote sensing.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

None
Graphical abstract
Figure 1
Figure 1
Earth observation satellite sensor types (CEOS member space agencies) supporting AFOLU information needs, and their (estimated) lifespans
Figure 2
Figure 2
A visual depiction of two main types of global land cover change from 1960–2020 related to forest and cropland (derived from HILDA + data14)
Figure 3
Figure 3
CEOS GST portal www.ceos.org/gst/
Figure 4
Figure 4
Intercomparison, validation, and harmonization among biomass maps, including provisional products from the ESA CCI Biomass team (left), and NASA JPL (right), as well as the version 1 GEDI map (center)
Figure 5
Figure 5
MAAP Platform aboveground biomass product dashboard

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