pmip3:database:access
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pmip3:database:access [2012/04/13 16:08] jypeter |
pmip3:database:access [2014/05/23 09:43] jypeter Added link to using the data |
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| - | ====== PMIP3 DB access ====== | + | ====== Accessing PMIP3-CMIP5 data ====== |
| - | [ [[.:status|DB status]] ] - [ [[.:expected|Expected experiments]] ] | + | ===== The fastest shortcut ===== |
| - | ===== PMIP3 and CMIP5 ===== | + | The PMIP3-CMIP5 data is distributed through the //ESGF nodes//. You can go directly to any ESGF node and start searching/downloading data. Each node will let you search the content of all the other nodes, so you only need to pick up the node that is closest to you |
| - | Depending on its type (see the tables in [[.:status|DB status]] for more details), the PMIP3 data is distributed between the CMIP5 and the PMIP3 DB: | + | * [[http://esgf-node.ipsl.fr/esgf-web-fe/|IPSL node - France]] |
| + | * [[http://pcmdi9.llnl.gov/esgf-web-fe/|PCMDI node - USA]] | ||
| + | * ... links to the other nodes are available on the IPSL and PCMDI nodes | ||
| - | * PMIP3 data in the CMIP5 database: CMIP5 paleo experiments (midHolocene, lgm and past1000) performed by official CMIP5 participants | + | ===== The steps you should follow ===== |
| - | * PMIP3 data in the PMIP3 database: | + | <note tip>The steps listed below are //under development//\\ \\ You should read them, and you can find useful additional information in {{:pmip3:database:usingesgf_jyp_130618_v6.pdf|}}\\ (these slides were used in an internal LSCE meeting to introduce PMIP3-CMIP5 and the ESGF portal)</note> |
| - | * CMIP5 paleo experiments performed by non-CMIP5 participants: midHolocene, lgm and past1000 **AND** piControl and 1pctCO2 experiments | + | |
| - | * Other paleo experiments (non-CMIP5 experiments) performed by the different groups: plioMIP, last interglacial experiments, Holocene experiments... | + | |
| - | The data in the CMIP5 and PMIP3 DB is distributed with the same ESGF tools (Earth System Grid Federation software), which makes it possible for the users to use the same OpenID identifier to download the data. | + | - [[pmip3:database:access_details#standard_variable_names|Find out the names of the variables you need]] |
| - | + | - [[pmip3:database:access_details#esgf_p2p_fe|Locate the closest ESGF P2P Front-End]] | |
| - | There are lots of data files in the PMIP3/CMIP5 DB, many of them quite huge (several Gb) and it is therefore impossible to store all the data in the same data center. The files are physically located on several servers worldwide (the Data Nodes) | + | - Determine which required variables are actually available in the database |
| - | + | - Create a wget script | |
| - | ===== Accessing the data ===== | + | - Create a CMIP5 account |
| - | + | - Download the data | |
| - | ==== PMIP3 specific data ==== | + | - [[pmip3:database:using|Use the data!]] |
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| - | ===== Useful tips ===== | + | |
| - | + | ||
| - | * Always be patient (and don't wait till the last minute to get the data you need). You can browse the data to locate the variables you need on any CMIP5 Gateway, but remember that the data file themselves are distributed worldwide in different data centers and that accessing and downloading the data can take some time | + | |
| - | + | ||
| - | * You can install and use the [[http://dods.ipsl.jussieu.fr/jripsl/synchro_data/README|synchro_data tool]] developed at IPSL to automatically mirror/download the data you need in batch mode (without having to use the Gateways interface). We recommend that you share the downloaded data between several users to minimize network load and disk space usage :-) | + | |
pmip3/database/access.txt · Last modified: 2018/02/14 15:24 by jypeter
