Toward a forest biomass reference measurement system for remote sensing applications

18321 11 99595 2 305549 document 99595 Global Change Biology - 2022 - Labri re - Toward a forest biomass reference measurement system for remote sensing.pdf application/pdf 1e8b63faacf81af55d3a420b79f341d3 MD5 15189456 2022-11-09 11:47:28 https://pure.iiasa.ac.at/id/eprint/18321/1/Global%20Change%20Biology%20-%202022%20-%20Labri%20re%20-%20Toward%20a%20forest%20biomass%20reference%20measurement%20system%20for%20remote%20sensing.pdf 18321 1 1 application/pdf text en public cc_by_4

Global Change Biology - 2022 - Labri re - Toward a forest biomass reference measurement system for remote sensing.pdf

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/99595 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/99595 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/99595 archive 353 disk0/00/01/83/21 2022-10-24 06:33:02 2023-01-04 12:42:33 2022-10-24 06:33:02 article show Labrière N. Davies S.J. Disney M.I. Duncanson L.I. Herold M. Lewis S.L. Phillips O.L. Quegan S. Saatchi S.S. Shchepashchenko D. 7435 0000-0002-7814-4990 Scipal K. Sist P. Chave J. Toward a forest biomass reference measurement system for remote sensing applications pub ASA NODES BNR AFE Aboveground biomass; Carbon; Earth Observation; Forest vegetation; Permanent plots; Representativeness; Validation Forests contribute to climate change mitigation through carbon storage and uptake, but the extent to which this carbon pool varies in space and time is still poorly known. Several Earth Observation missions have been specifically designed to address this issue, e.g. NASA's GEDI, NASA-ISRO's NISAR and ESA's BIOMASS. Yet, all these missions' products require independent and consistent validation. A permanent, global, in situ, site-based forest biomass reference measurement system relying on ground data of the highest possible quality is therefore needed. Here, we have assembled a list of almost two hundred high-quality sites through an in-depth review of the literature and expert knowledge. In this study, we explore how representative these sites are in terms of their coverage of environmental conditions, geographical space and biomass-related forest structure, compared to those experienced by forests worldwide. This work also aims at identifying which sites are the most representative, and where to invest to improve the representativeness of the proposed system. We show that the environmental coverage of the system does not seem to improve after at least the 175 most representative sites are included, but geographical and structural coverages continue to improve as more sites are added. We highlight areas of poor environmental, geographical or structural coverage, including, but not limited to, Canada, the western half of the USA, Mexico, Patagonia, Angola, Zambia, eastern Russia, tropical and subtropical highlands (e.g. in Colombia, the Himalayas, Borneo, Papua). For the proposed system to succeed, we stress that (1) data must be collected and processed applying the same standards across all countries and continents; (2) system establishment and management must be inclusive and equitable, with careful consideration of working conditions; (3) training and site partner involvement in downstream activities should be mandatory. 2023-02 published Wiley-Blackwell doi:10.1111/gcb.16497 279 public Global Change Biology 29 3 827-840 TRUE 1365-2486 no info:eu-repo/semantics/article