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  Harmonization of global land use change and management for the period 850–2100 (LUH2) for CMIP6

Hurtt, G. C., Chini, L., Sahajpal, R., Frolking, S., Bodirsky, B. L., Calvin, K., Doelman, J. C., Fisk, J., Fujimori, S., Goldewijk, K. K., Hasegawa, T., Havlik, P., Heinimann, A., Humpenöder, F., Jungclaus, J., Kaplan, J. O., Kennedy, J., Krisztin, T., Lawrence, D., Lawrence, P., Ma, L., Mertz, O., Pongratz, J., Popp, A., Poulter, B., Riahi, K., Shevliakova, E., Stehfest, E., Thornton, P., Tubiello, F. N., Vuuren, D. P. v., Zhang, X. (2020): Harmonization of global land use change and management for the period 850–2100 (LUH2) for CMIP6. - Geoscientific Model Development, 13, 11, 5425-5464.
https://doi.org/10.5194/gmd-13-5425-2020

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Item Permalink: https://publications.pik-potsdam.de/pubman/item/item_24063 Version Permalink: https://publications.pik-potsdam.de/pubman/item/item_24063_7
Genre: Journal Article

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Hurtt, G. C.1, Author
Chini, L.1, Author
Sahajpal, R.1, Author
Frolking, S.1, Author
Bodirsky, Benjamin Leon2, Author              
Calvin, K.1, Author
Doelman, J. C.1, Author
Fisk, J.1, Author
Fujimori, S.1, Author
Goldewijk, K. K.1, Author
Hasegawa, T.1, Author
Havlik, P.1, Author
Heinimann, A.1, Author
Humpenöder, Florian2, Author              
Jungclaus, J.1, Author
Kaplan, J. O.1, Author
Kennedy, J.1, Author
Krisztin, T.1, Author
Lawrence, D.1, Author
Lawrence, P.1, Author
Ma, L.1, AuthorMertz, O.1, AuthorPongratz, J.1, AuthorPopp, Alexander2, Author              Poulter, B.1, AuthorRiahi, K.1, AuthorShevliakova, E.1, AuthorStehfest, E.1, AuthorThornton, P.1, AuthorTubiello, F. N.1, AuthorVuuren, D. P. van1, AuthorZhang, X.1, Author more..
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: Human land use activities have resulted in large changes to the biogeochemical and biophysical properties of the Earth's surface, with consequences for climate and other ecosystem services. In the future, land use activities are likely to expand and/or intensify further to meet growing demands for food, fiber, and energy. As part of the World Climate Research Program Coupled Model Intercomparison Project (CMIP6), the international community has developed the next generation of advanced Earth system models (ESMs) to estimate the combined effects of human activities (e.g., land use and fossil fuel emissions) on the carbon–climate system. A new set of historical data based on the History of the Global Environment database (HYDE), and multiple alternative scenarios of the future (2015–2100) from Integrated Assessment Model (IAM) teams, is required as input for these models. With most ESM simulations for CMIP6 now completed, it is important to document the land use patterns used by those simulations. Here we present results from the Land-Use Harmonization 2 (LUH2) project, which smoothly connects updated historical reconstructions of land use with eight new future projections in the format required for ESMs. The harmonization strategy estimates the fractional land use patterns, underlying land use transitions, key agricultural management information, and resulting secondary lands annually, while minimizing the differences between the end of the historical reconstruction and IAM initial conditions and preserving changes depicted by the IAMs in the future. The new approach builds on a similar effort from CMIP5 and is now provided at higher resolution (0.25∘×0.25∘) over a longer time domain (850–2100, with extensions to 2300) with more detail (including multiple crop and pasture types and associated management practices) using more input datasets (including Landsat remote sensing data) and updated algorithms (wood harvest and shifting cultivation); it is assessed via a new diagnostic package. The new LUH2 products contain > 50 times the information content of the datasets used in CMIP5 and are designed to enable new and improved estimates of the combined effects of land use on the global carbon–climate system.

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 Dates: 2020-04-142020-11-10
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.5194/gmd-13-5425-2020
BibTex Citekey: gmd-2019-360
PIKDOMAIN: RD2 - Climate Resilience
PIKDOMAIN: RD3 - Transformation Pathways
Organisational keyword: RD2 - Climate Resilience
Organisational keyword: RD3 - Transformation Pathways
Research topic keyword: Land use
Research topic keyword: Ecosystems
Research topic keyword: Food & Agriculture
Regional keyword: Global
MDB-ID: yes - 3185
Working Group: Land Use and Resilience
Working Group: Land-Use Management
 Degree: -

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Project name : COACCH - CO-designing the Assessment of Climate CHange costs
Grant ID : 776479
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : CASCADES - CAScading Climate risks: towards ADaptive and resilient European Societies
Grant ID : 821010
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : NAVIGATE - Next generation of AdVanced InteGrated Assessment modelling to support climaTE policy making
Grant ID : 821124
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : ENGAGE - Exploring National and Global Actions to reduce Greenhouse gas Emissions
Grant ID : 821471
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: Geoscientific Model Development
Source Genre: Journal, SCI, Scopus, p3, oa
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Publ. Info: -
Pages: - Volume / Issue: 13 (11) Sequence Number: - Start / End Page: 5425 - 5464 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals185
Publisher: Copernicus