{"text_format":"1","workbook":"xlsx","n_sheets":5,"sheets":["Metadata","Chronology","Data","ProxyAndReconstructionInfo","NOAASciKeywords"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":20,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"Metadata","index":0,"n_rows":47,"n_cols":4,"rows_kept":47,"cut":false,"hidden":false,"merged":[]}
["Version 4.0; Submit Template as email attachment to paleo@noaa.gov. See the Example-Metadata and Example-Data Tabs to see some examples of how to enter information"]
["Study Title (where, what, when (time period covered))","Atlantic Meridional Overturning Circulation (AMOC) reconstruction 10-2kY"]
["Original Source_URL (if applicable)","Not applicable"]
["Description of \"Original_Source_URL\" link, if applicable","Not applicable"]
["Investigators (Lastname, first; lastname2, first2)","Swingedouw, Didier; Jomelli Vincent"]
["Data_Type","Climate Reconstructions","NOAA Science Keywords:","Select Keyword(s)"]
["NOAAScience Keywords (optional, select any that apply from Cell D6 list)","Holocene, AMOC, statisitical reconstruction, climate modelling"]
["Description and Notes","Description: This AMOC reconstruction is based on the Ayache et al. (2018) reconstruction of the AMOC. This reconstruction was based on 22 proxy records of SST in the North Atlantic. The reconstruction was obtained from a Principal Component Analysis of those 22 proxy records. The reconstruction of the AMOC has been tested and validated using pseudo-proxy approach, consisting in testing the performance of the statistical method to reconstruct the AMOC from model simulations using the location of available proxy data. The AMOC reconstruction was also compared with other independent proxy records of the deep ocean circulation and show consistency. The reconstruction has a time resolution of 50 years and cover the period -10-2kY.\nFor further details on the reconstruction method, see: Ayache M. Swingedouw D., Mary Y., Eynaud F., Colin C. (2018) AMOC variability over the Holocene: A new reconstruction based on multiple proxy-based SST records. Global and Planetary Changes 170, pp. 172-189. \nThis first reconstruction from the latter paper was not calibrated in terms of Sverdrups of variation of the AMOC but standardised on the available period. To circumvent this issue, the reconstruction proposed here has been calibrated using Northern Hemisphere reconstruction of Kaufman et al. (2020) and transient model simulations as well as hosing simulations, in order to quantify the climatic impacts of AMOC variations. For further details on the method, please refer to the publication described below:"]
["Optional Scientific keywords separated by commas"]
[]
["Publication Section"]
["Authors (Exactly as written in the publication citation)","Jomelli V., Swingedouw D., et al.","Ayache M. Swingedouw D., Mary Y., Eynaud F., Colin C."]
["Publication title","AMOC control on millennial-scale glacier changes during the Holocene","AMOC variability over the Holocene: A new reconstruction based on multiple proxy-based SST records"]
["Journal","Nature Communications","Global and Planetary Changes"]
["Year","in press",2018]
["Volume",null,170]
["Edition"]
["Issue"]
["Pages",null,"48-61"]
["Report Number"]
["DOI"]
["Online_Resource"]
["Abstract"]
["Alternate citation in paragraph format (For books, theses, etc. that don't fit well in above fields)"]
[]
["Site Information"]
["Site name"]
["Location","Atlantic Ocean"]
["Northernmost latitude (decimal degree, South negative, WGS84)","75°N"]
["Southernmost latitude (decimal degree, South negative, WGS84)","10°N"]
["Easternmost longitude (decimal degree, West negative, WGS84)","80°W"]
["Westernmost longitude (decimal degree, West negative, WGS84)","20°E"]
["elevation (m), below sea level negative"]
[]
["Data Collection Information"]
["Collection_Name (typically a core name)"]
["Oldest Year (relative to 1950AD)","10 kY BP"]
["Most Recent Year (relative to 1950AD)","2 kY BP"]
["Time_Unit","calendar year before present",null,"Select Keyword(s)"]
["Parameter Keywords  (see possible terms in proxy-specific list - Cell D39)"]
["Notes"]
["Core_Length (m)"]
[]
[]
["Funding_Agency"]
["Funding_Agency_Name","French National Research Agency ANR","BELMONT FORUM "]
["Grant","grant ANR-13- BS06-0003. ","PACMEDY "]

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["Chronology Table Containing Measured Depths and Ages","Put data used for building the age model on this sheet. See \"Example C14 Chronology\" tab for an example table."]
["Chronology Notes","Not applicable: data resolution=50 years"]
["Chronology Table As Paragraph (insert table into cell B3) not preferred"]
["Chronology Table (Use as many rows and columns are needed below this line)","NOTE: Additional Chronology tables should be put below the first one with no more than one blank line. "]

{"sheet":"Data","index":2,"n_rows":168,"n_cols":11,"rows_kept":168,"cut":false,"hidden":false,"merged":[]}
["Variables"]
["Short_name","What","Material","Error","Units","Seasonality","Data_Type","Detail","Method","Data_Format","Additional_Information"]
["Year_BP","Years before present day",null,null,"years","annual mean","statisitical reconstruction","Principal Component Analysis using various proxy data interpolated using a 50 years time bin","Interpolation using 22 proxy records of HAMOC database to perform principal component analysis"]
["AMOC","Atlantic Meridional Overturning Circulation index",null,null,"Sverdrup (1 Sv=10^6 m3/s)","annual mean","statisitical reconstruction calbrated using climate simulations","Reconstruction performed in Ayache et al. (2018); Calibration done in Jomelli et al. (2022)","Reconstruction based Principal component analysis of 22 proxy records of SST in the North Atlantic, and calilbration using climate models"]
["Data"]
["Missing Value ","none"]
["Year_BP","AMOC"]
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{"sheet":"NOAASciKeywords","index":4,"n_rows":55,"n_cols":1,"rows_kept":55,"cut":false,"hidden":false,"merged":[]}
["Select Keyword(s)"]
["Air Temperature Reconstruction"]
["Arctic"]
["Atmospheric Gas Reconstruction"]
["Atmospheric and Oceanic Circulation Patterns Reconstruction"]
["ENSO"]
["Earth Surface Conditions Reconstruction"]
["Glacial"]
["Glaciers and Ice Sheets Reconstruction"]
["Hadley Circulation"]
["Heinrich Events"]
["Hurricanes and Tropical Cyclones Reconstruction"]
["Interglacial"]
["Last Glacial Maximum"]
["Last Interglacial"]
["Medieval Warm Period"]
["Milankovitch"]
["Monsoon"]
["North Atlantic Oscillation"]
["Other Hydroclimate Reconstruction"]
["Other Reconstruction"]
["PAGES 2k Network"]
["PAGES Africa 2k"]
["PAGES Antarctica 2k"]
["PAGES Arctic 2k"]
["PAGES Asia 2k"]
["PAGES NAmerica 2k"]
["Pacific Decadal Oscillation"]
["Palmer Drought Index Reconstruction"]
["Precipitation Reconstruction"]
["Sea Ice Reconstruction"]
["Sea Level Reconstruction"]
["Sea Surface Temperature Reconstruction"]
["Solar Forcing Reconstruction"]
["Streamflow Reconstruction"]
["Tropics"]
["Vegetation Reconstruction"]
["Warm Pool"]
["Younger Dryas"]
["abrupt climate change"]
["biogeochemical cycles"]
["biogeography"]
["carbon cycle"]
["centennial resolution"]
["decadal resolution"]
["drought"]
["hydrology"]
["millennial resolution"]
["ocean acidification"]
["sea ice"]
["sea level"]
["sensitivity"]
["thermal maximum"]
["trends"]
["westerlies"]