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data:ice [2016/05/04 13:55] jypeter Added links and info to download Peltier data |
data:ice [2019/02/25 16:34] (current) jypeter [References] Replaced refs with link to the pubs page |
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====== PMIP4-CMIP6 ice-sheet data ====== | ====== PMIP4-CMIP6 ice-sheet data ====== | ||
- | < | + | < |
- | You will find on this page the boundary condition data that you have to use for the [[exp_design: | + | You will find on this page some of the boundary condition data that you have to use for |
+ | * [[exp_design: | ||
+ | * [[exp_design: | ||
+ | * [[exp_design: | ||
Please make sure to read the [[# | Please make sure to read the [[# | ||
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| [[R.Ivanovic@leeds.ac.uk|Ruza Ivanovic]] | Last Deglaciation | | | [[R.Ivanovic@leeds.ac.uk|Ruza Ivanovic]] | Last Deglaciation | | ||
| [[Didier.Roche@lsce.ipsl.fr|Didier Roche]] | LGM, Last Deglaciation | | | [[Didier.Roche@lsce.ipsl.fr|Didier Roche]] | LGM, Last Deglaciation | | ||
+ | | [[l.menviel@unsw.edu.au|Laurie Menviel]] | Penultimate Deglaciation | | ||
+ | | [[capron@nbi.ku.dk|Emilie Capron]] | Penultimate Deglaciation | | ||
| [[Jean-Yves.Peterschmitt@lsce.ipsl.fr|Jean-Yves Peterschmitt]] | Technical questions | | | [[Jean-Yves.Peterschmitt@lsce.ipsl.fr|Jean-Yves Peterschmitt]] | Technical questions | | ||
</ | </ | ||
+ | |||
+ | ===== References ===== | ||
+ | |||
+ | Check the [[pubs: | ||
+ | |||
===== How to use the data ===== | ===== How to use the data ===== | ||
- | * Choose the type of boundary condition you want to use. Look at the available data below, and at the [[pmip3: | + | * Choose the type of boundary condition you want to use. Look at the available data below, and at the [[https:// |
* Do not forget to document what you have chosen! | * Do not forget to document what you have chosen! | ||
- | * blahblah | + | * Read the appropriate paper(s) in the [[# |
* After processing the boundary condition data, send a copy the BC data //as seen by your model// to [[Jean-Yves.Peterschmitt@lsce.ipsl.fr|Jean-Yves Peterschmitt]]: | * After processing the boundary condition data, send a copy the BC data //as seen by your model// to [[Jean-Yves.Peterschmitt@lsce.ipsl.fr|Jean-Yves Peterschmitt]]: | ||
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The data files may change a bit (rename or standardize the data, etc...) and you will find the change list below | The data files may change a bit (rename or standardize the data, etc...) and you will find the change list below | ||
- | ==== Peltier ICE-6G-C for PMIP4 ==== | + | ==== Data ==== |
- | + | ||
- | === Grid === | + | |
- | + | ||
- | * nb_lat, nb_lon = 1080, 2160 (regular 10 minutes intervals) | + | |
- | * latitude_values = [ -89.91667175, | + | |
- | * longitude_values = [ 0., 0.16666667, | + | |
- | * NO time axis (1 time step per file) | + | |
- | + | ||
- | === Time steps and data files === | + | |
- | + | ||
- | * 48 time steps in 48 files, from 0k to 26k BP : data every 500 years from 0k to 21k BP, then every 1000 years till 26k BP | + | |
- | * file names = '' | + | |
- | * all the variables for the same time step are in the same file | + | |
- | + | ||
- | === Variables === | + | |
- | + | ||
- | * **Topo**: Topography (Point-value altitude), meters | + | |
- | * on continents: surface altitude (including grounded ice sheet) | + | |
- | * on ice-free oceans, and where there is floating ice (ice shelves): bathymetry | + | |
- | * **Orog**: Orography (Point-value surface altitude), meters | + | |
- | * on continents: altitude (including grounded ice sheet) | + | |
- | * on ice-free oceans: 0.0 (zero) | + | |
- | * on ice-shelves: | + | |
- | * **sftlf**: Point-value Landmask, % | + | |
- | * values are '' | + | |
- | * does not include floating ice | + | |
- | * **sftgif**: Point-value Icemask, % | + | |
- | * values are '' | + | |
- | * floating ice is included | + | |
- | + | ||
- | Notes: | + | |
- | + | ||
- | * Computing the '' | + | |
- | * 100: where there is land without ice | + | |
- | * -100: where there is floating ice-sheet | + | |
- | * 0: elsewhere | + | |
- | + | ||
- | === References === | + | |
- | + | ||
- | Please cite **all** following papers: | + | |
- | + | ||
- | * Describe the new Antarctic component of the model: Argus, D.F., Peltier, W.R., Drummond, R. and Moore, A.W. - **The Antarctica component of postglacial rebound model ICE-6G_C (VM5a) based upon GPS positioning, | + | |
- | + | ||
- | * Describe the complete model: Peltier, W.R., Argus, D.F. and Drummond, R. (2015) **Space geodesy constrains ice-age terminal deglaciation: | + | |
- | + | ||
- | === Download === | + | |
- | + | ||
- | You will find below a table with all the available data files, and their //md5sum// checksum (if you want to check that you download was OK, you can just type '' | + | |
- | + | ||
- | If you want to download a file, click on the [[https:// | + | |
- | + | ||
- | <WRAP center round important 60%> | + | |
- | Groups running the lgm experiment have to use the '' | + | |
- | </ | + | |
- | + | ||
- | + | ||
- | ^ md5sum output | + | |
- | | 5ba8c0df48a12132238ffcbf675578e0 | I6_C.VM5a_10min.0.nc | | + | |
- | | 85ab7bf8b90ce0567ada52368c11ddd8 | I6_C.VM5a_10min.0.5.nc | | + | |
- | | c35409318de8d68a8e0731915897e8cd | I6_C.VM5a_10min.1.nc | | + | |
- | | adefdf757b495b0701470ee10539ba2b | I6_C.VM5a_10min.1.5.nc | | + | |
- | | c212e04194ffa3deca47e19d206521fb | I6_C.VM5a_10min.2.nc | | + | |
- | | 5d4194ae75b1d7f5427809f3bc15de0b | I6_C.VM5a_10min.2.5.nc | | + | |
- | | 1e39cba575afc871f8017f04154b4dd8 | I6_C.VM5a_10min.3.nc | | + | |
- | | 1371cc7980cc7f58c6d095b906781dc2 | I6_C.VM5a_10min.3.5.nc | | + | |
- | | cc1b10682a3aad6fece52fa64df7053b | I6_C.VM5a_10min.4.nc | | + | |
- | | 10fa8a511560c8f422c5a49aee3490a4 | I6_C.VM5a_10min.4.5.nc | | + | |
- | | 6e2c7e647dd3870f633f5523fec451eb | I6_C.VM5a_10min.5.nc | | + | |
- | | cb0e2c9ed3d344b0e9f46b8bab2261d6 | I6_C.VM5a_10min.5.5.nc | | + | |
- | | d75beb9612b3281adf48c2c1556e80ed | I6_C.VM5a_10min.6.nc | | + | |
- | | 59f0986a7718bf2501a56f4d78aa82e2 | I6_C.VM5a_10min.6.5.nc | | + | |
- | | 6286cc8b473a8b9eb518d198313165b6 | I6_C.VM5a_10min.7.nc | | + | |
- | | f322a34a64ac22dfac51f51a09de10b2 | I6_C.VM5a_10min.7.5.nc | | + | |
- | | 2e79dd041bd2bb6a2a4cdc60e721bfa1 | I6_C.VM5a_10min.8.nc | | + | |
- | | efdc2808b7b89ca87817f5ec5da70d17 | I6_C.VM5a_10min.8.5.nc | | + | |
- | | dd88ee2889bf4f63ac376ec697d9ad83 | I6_C.VM5a_10min.9.nc | | + | |
- | | 24743df87baf8553526fdc36575e50a1 | I6_C.VM5a_10min.9.5.nc | | + | |
- | | 061a5facad371878e23abf268185e35a | I6_C.VM5a_10min.10.nc | | + | |
- | | 160b84499c8bf45015bdbf9dabbac153 | I6_C.VM5a_10min.10.5.nc | | + | |
- | | 7c01dcc26051ad7c326ac9051c4c405a | I6_C.VM5a_10min.11.nc | | + | |
- | | 6d7161ac4ea2e712b6f9663e5fe21179 | I6_C.VM5a_10min.11.5.nc | | + | |
- | | e742322517320d9ff61c5d9fca8e25b9 | I6_C.VM5a_10min.12.nc | | + | |
- | | a7b16f877df9cdf62d4cc2088d8ab2eb | I6_C.VM5a_10min.12.5.nc | | + | |
- | | 429ed0b9eaceaffda43523e011c01fae | I6_C.VM5a_10min.13.nc | | + | |
- | | e3fb84ae29042592369f260d34b85fea | I6_C.VM5a_10min.13.5.nc | | + | |
- | | 832d4e842fc65dc8e07af40ba551e368 | I6_C.VM5a_10min.14.nc | | + | |
- | | 55ddce7c9e237e17a0fa648cd11deddc | I6_C.VM5a_10min.14.5.nc | | + | |
- | | b6b0a51ff9cfc3f30532e6c0e49592bf | I6_C.VM5a_10min.15.nc | | + | |
- | | a47a49626b6778fa387ccc78831a0025 | I6_C.VM5a_10min.15.5.nc | | + | |
- | | 257b8cd456c7936d2daf4383e92690fe | I6_C.VM5a_10min.16.nc | | + | |
- | | 6c1fe398efeeed143c47d150f0dfeba4 | I6_C.VM5a_10min.16.5.nc | | + | |
- | | 90981cc37069758307d8cdeca9f6b1de | I6_C.VM5a_10min.17.nc | | + | |
- | | f22013d948a4fdd85d8f476574ddab51 | I6_C.VM5a_10min.17.5.nc | | + | |
- | | f4dbbd2742d920e5c0bd324f190885d1 | I6_C.VM5a_10min.18.nc | | + | |
- | | 7a95dc97c4818db719bc1e0008889883 | I6_C.VM5a_10min.18.5.nc | | + | |
- | | 2a6064e417d0b2242956be4ffc4d75f6 | I6_C.VM5a_10min.19.nc | | + | |
- | | 0337c11ea0c15a565d942eec83dce645 | I6_C.VM5a_10min.19.5.nc | | + | |
- | | 516a3530681ba4a7963a5c31a857274f | I6_C.VM5a_10min.20.nc | | + | |
- | | 28bfdccdb9da24aafa5a999ff11e0ee5 | I6_C.VM5a_10min.20.5.nc | | + | |
- | | 9443668583800099ce9e865be90e4ad6 | I6_C.VM5a_10min.21.nc | | + | |
- | | c8a69bd5b3c1d5aa55b361e9b7dea99e | I6_C.VM5a_10min.sftlf.21_CASPIAN.nc | | + | |
- | | dabcbabf06211ccf6bdcdf306a85d3cc | I6_C.VM5a_10min.22.nc | | + | |
- | | da0268feca9fa4d2f2c479e38a72b197 | I6_C.VM5a_10min.23.nc | | + | |
- | | 78b35dd7d1c2d7b39c8eb37feef8ca9b | I6_C.VM5a_10min.24.nc | | + | |
- | | f51db17bc0f90392464df9a0fb83bf59 | I6_C.VM5a_10min.25.nc | | + | |
- | | 489570ddeadd55b3887b43d89f1abfad | I6_C.VM5a_10min.26.nc | | + | |
- | + | ||
- | ==== Tarasov GLAC-1D for PMIP4 ==== | + | |
- | + | ||
- | === Grid === | + | |
- | + | ||
- | * nb_lat, nb_lon = 360, 360 | + | |
- | * latitude_values = [ -89.75, -89.25, -88.75, ... 88.75, | + | |
- | * longitude_values = [ 0.5, 1.5, 2.5, ... 357.5, | + | |
- | * time axis: see the //Time steps// section below | + | |
- | + | ||
- | === Time steps and data files === | + | |
- | + | ||
- | * 261 time steps in one file, from 0k to 26k : data every 100 years, from 0k to 26k BP | + | |
- | * time_values = [ -26. , -25.9, -25.8, ... -0.2, -0.1, 0. ] | + | |
- | * all the variables and all the time steps are in the same file: '' | + | |
- | + | ||
- | === Variables === | + | |
- | + | ||
- | * **HDC**: GLAC contemp. elevation(masl), | + | |
- | * on continents (including ice sheets) and ice shelves: surface altitude (including ice sheets/ | + | |
- | * on ice-free ocean: bathymetry | + | |
- | * **HDCB**: GLAC contemp. elevation(masl), | + | |
- | * on continents (including ice sheets) and ice shelves: surface altitude (including ice sheets) | + | |
- | * on ice-shelves: | + | |
- | * on ice-free ocean: bathymetry | + | |
- | * **ICEM**: GLAC ice mask, fraction | + | |
- | * ice fraction values between 0.0 (no ice) and 1.0 (100% ice) | + | |
- | + | ||
- | Notes: | + | |
- | + | ||
- | * The land-sea mask can be computed with: | + | |
- | * HDCB > 0 : ls_mask = 1 (land) | + | |
- | * HDCB <= 0 : ls_mask = 0 (no land) | + | |
- | * Computing the '' | + | |
- | * ice-shelves thickness where there are ice shelves | + | |
- | * 0.0 everywhere else | + | |
- | + | ||
- | === References | + | |
- | + | ||
- | Please cite **all** the following papers: | + | |
- | * L. Tarasov and W. Richard Peltier **Greenland glacial history and local geodynamic consequences**, | + | * [[data:ice_ice6g_c|Peltier ICE-6G-C for PMIP4]] |
- | * Lev Tarasov, Arthur S. Dyke, Radford M. Neal and W.R. Peltier, **A data-calibrated distribution of deglacial chronologies for the North American ice complex from glaciological modeling**, Earth and Planetary Science Letters, Volumes 315–316, 15 January 2012, Pages 30–40, | + | * [[data:ice_glac_1d|Tarasov |
- | * Robert D. Briggs , David Pollard , Lev Tarasov, **A data-constrained large ensemble analysis of Antarctic evolution since the Eemian**, Quaternary Science Reviews, Volume 103, 1 November 2014, Pages 91–115, [[http:// | + | |
- | * 4th paper to be added here (Eurasian component) | + | |
- | === Download === | ||
- | FIXME |