{"refrec":{"BRefID":323020,"RR":"<b>Bowring, S.P.K.; Lauerwald, R.; Guenet, B.; Zhu, D.; Guimberteau, M.; Tootchi, A.; Ducharne, A.; Ciais, P.</b> (2019). ORCHIDEE MICT-LEAK (r5459), a global model for the production, transport, and transformation of dissolved organic carbon from Arctic permafrost regions - Part 1: rationale, model description, and simulation protocol. <i>Geosci. Model Dev. 12(8)</i>: 3503-3521. <a href=\"https://dx.doi.org/10.5194/gmd-12-3503-2019\" target=\"_blank\">https://dx.doi.org/10.5194/gmd-12-3503-2019</a>","BEntID":316491,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Geosci. Model Dev. 12(8)</i>: 3503-3521. <a href=\"https://dx.doi.org/10.5194/gmd-12-3503-2019\" target=\"_blank\">https://dx.doi.org/10.5194/gmd-12-3503-2019</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":1,"Authorstring":"Bowring, S.P.K.; Lauerwald, R.; Guenet, B.; Zhu, D.; Guimberteau, M.; Tootchi, A.; Ducharne, A.; Ciais, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Bowring, S.P.K. <i>et al.</i>","Englishabstract":"Few Earth system models adequately represent the unique permafrost soil biogeochemistry and its respective processes; this significantly contributes to uncertainty in estimating their responses, and that of the planet at large, to warming. Likewise, the riverine component of what is known as the “boundless carbon cycle” is seldom recognised in Earth system modelling. The hydrological mobilisation of organic material from a <span class=\"inline-formula\">∼1330</span>–1580 PgC carbon stock to the river network results in either sedimentary settling or atmospheric “evasion”, processes widely expected to increase with amplified Arctic climate warming. Here, the production, transport, and atmospheric release of dissolved organic carbon (DOC) from high-latitude permafrost soils into inland waters and the ocean are explicitly represented for the first time in the land surface component (ORCHIDEE) of a CMIP6 global climate model (Institut Pierre Simon Laplace – IPSL). The model, ORCHIDEE MICT-LEAK, which represents the merger of previously described ORCHIDEE versions MICT and LEAK, mechanistically represents (a)&nbsp;vegetation and soil physical processes for high-latitude snow, ice, and soil phenomena and (b)&nbsp;the cycling of DOC and <span class=\"inline-formula\">CO<sub>2</sub></span>, including atmospheric evasion, along the terrestrial–aquatic continuum from soils through the river network to the coast at 0.5 to 2<span class=\"inline-formula\"><sup>∘</sup></span> resolution.  This paper, the first in a two-part study, presents the rationale for including these processes in a high-latitude-specific land surface model, then describes the model with a focus on novel process implementations, followed by a summary of the model configuration and simulation protocol. The results of these simulation runs, conducted for the Lena River basin, are evaluated against observational data in the second part of this study.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"ORCHIDEE MICT-LEAK (r5459), a global model for the production, transport, and transformation of dissolved organic carbon from Arctic permafrost regions - Part 1: rationale, model description, and simulation protocol","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:32:51.566255","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2019,"MonPub":null,"DateUpdate":"2020-05-05","DateCreate":"2020-04-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000480465200001","VABBcode":null,"OpenAcc":1,"DOI":"10.5194/gmd-12-3503-2019"},"refs":null,"anarec":{"AnaID":323020,"PubliDate":2019,"Pagination":"3503-3521","XtraPublOfAnaID":null,"ISBN":null,"Volume":"12","Issue":"8","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":209852,"SerRR":"Geoscientific Model Development. Copernicus Publications: Göttingen.  ISSN 1991-959X; e-ISSN 1991-9603","StandardTitleSer":"Geoscientific Model Development","ISSN":"1991-959X","AbbrevSer":"Geosci. 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