Oceanic dC13 and DC14 data for LGM experiments performed with LOVECLIM This dataset is a collection of outputs of numerical simulations performed with LOVECLIM, an Earth System Model. The model was forced with Last Glacial Maximum (~20 ka B.P.) boundary conditions (orbital parameters, ice-sheet topography and albedo, CO2, d13CO2 and D14CO2). The dataset are oceanic d13C values for 28 Last Glacial Maximum (LGM) experiments, as well as oceanic D14C values for a subset of the LGM experiments. d13C and D14C values are the isotopic signatures of oceanic DIC and respectively represent a measure of the ratio of stable isotopes 13C and radioactive isotope 14C with respect to the standard . Both are reported in parts per thousand. LOVECLIM is an acronym made from the names of the five different models that have been coupled to built the Earth system model: LOch-Vecode-Ecbilt-CLio-agIsm Model (LOVECLIM). LOVECLIM 1.2 includes representations of the atmosphere, the ocean and sea ice, the land surface (including vegetation), the ice sheets, the icebergs and the carbon cycle. The atmospheric component is ECBilt2, a T21, 3-level quasi-geostrophic model. The oceanic component is CLIO3, which is made up of an ocean general circulation model coupled to a comprehensive thermodynamic-dynamic sea-ice model. Its horizontal resolution is 3° y 3°, and there are 20 levels in the ocean. ECBilt-CLIO is coupled to VECODE, a vegetationmodel that simulates the dynamics of two main terrestrial plant functional types, trees and grasses, as well as desert. VECODE also simulates the evolution of the carbon cycle over land while the oceanic carbon cycle is represented in LOCH, a comprehensive model that takes into account both the solubility and biological pumps. LOVECLIM description is an extract from http://www.academia.edu/12279222/Description_of_the_Earth_system_model_of_intermediate_complexity_LOVECLIM_version_1.2 Reference: Menviel, L., J. Yu, F. Joos, A. Mouchet, K. Meissner, M. England, "Poorly ventilated deep ocean at the Last Glacial Maximum inferred from carbon isotopes: a data-model comparison study", 2016, Paleoceanography,2016PA003024, under Review. 3 dimensional netcdf data of dc13 (permil, c13_X.nc) and DC14 (permil, c14_X.nc), where X denotes the name of the experiments described in Tables 1 and S1. PI denotes the pre-industrial control run. Experiments list from reference paper V1 52 ± 53GtC NADW, AABW, SO XP, CT V1L S S - -142 V1LNAoff Off I - -19 V1LNAw W I - -22 V1LNAwSOw I I - -6 V1LNAwSOs I S - -75 V1LNAwGR I I +9% -17 V2 205 ± 47GtC NADW, AABW, SO XP, CT V2L S I - 171 V2LNAoff Off I - 217 V2LNAw W I - 208 V2LNAwSOw W W - 212 V2LNAwSOs W S - 181 V2LNAwSHWw W W - 244 V2LNAwGR W I +9% 237 V3 351 ± 44GtC NADW, AABW, SO XP, CT V3L S I - 313 V3LNAoff Off I - 357 V3LNAw W I - 346 V3LNAwSOw W W - 369 V3LNAwSHWw W W - 392 V3LNAwSOwSHWw W W - 426 V3LSOs S S - 289 V3LNAwSOs I S - 320 V3LNAwGR W I +9% 357 V3LNAwGRSOs I S +9% 343 V 4, 567 ± 39GtC V4LNAw W S - 514 V4LNAwSHWw W W - 605 V4LNAwSOwSHWw W W - 609 V4LNAwSOs I S - 534 V4LNAwGR W I +9% 574 Table 1. Main characteristics of LGM experiments. CT indicates the difference between the late Holocene and LGM terrestrial carbon stock (GtC) for all the experiments performed and calculated following Equation 3. The mean CT and standard deviation for each set of experiments (V1-V4) is also shown. The relative formation rates of NADW and AABW are indicated as follows: for NADW, S=Strong (>= 20 Sv), I=Intermediate (15-20 Sv), W=Weak (10-15 Sv) or Off= shutdown (2-3 Sv); for the AABW transport in the Indo-Pacific basin, S=Strong (10-16 Sv), I=Intermediate (8-10 Sv) and W=Weak (<= 7 Sv). All symbols are filled except experiments in which export production (SO XP) was enhanced by 9% over the Southern Ocean (56-36S) compared to the pre-industrial control run. Contact: l.menviel@unsw.edu.au for any question on the dataset content and provenance paola.petrelli@utas.edu.au for questions or issues with file accessibility