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| Note |
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Note: The following categories are used for the changes below: - edit (typos and minor issues),
- change (improving existing elements),
- error (substantial amendments).
Changes and fixes can correspond to the different elements of the Atlas: - documentation (doc, both for the online Atlas information and the dataset documentation),
- data,
- Atlas.
New features are indicated with a special tag (new-feature). |
| Version | Changes description |
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| - (error-Atlas, error-data) Error in SPEI-6 products: The calculation of the SPEI-6 index was affected by an error due to wrong units in the precipitation component (daily accumulation) as compared with the water evaporation demand (PET) component (monthly accumulation). As a result the index reflects broadly the PET component of SPEI (SPEI is based on the water balance obtained as PRECIP-PET). As a result, this index has been disabled from the Atlas application and a warning has been included in the catalogue of the dataset.
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| - (error-Atlas) Error in customized regional products (extreme and count indices): Regional products of extreme and count indices for user-defined regions were wrongly computed using the default (mean) temporal aggregation function to obtain the seasonal/annual time series from the original monthly ones. This affected the regional extreme and count indices and resulted in strong underestimations (see next item for more details on seasonal aggregation).
- (edit-doc) Temporal aggregation: Clarified and expanded the Information about the temporal aggregation performed by the C3S Atlas (from the monthly time series of the underpinning dataset to the seasonal/annual time series and climatologies of the visualized products) included in the user guidance, in particular in Section 2.2 ("season" selector).
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| - (error-Atlas) Error in customized regional products: Customized regions are now available only in the standard Robinson projection, since there was a bug in the definition of regions in other projections producing wrong results for the corresponding spatially aggregated data in some cases. This has been documented in Section 2.3 of this document.
- (change-Atlas) Changes in menu navigation: Unavailable options have been disabled (grayed out) instead of hiding them. In line with other C3S tools (e.g., dataset widgets), the variables are disabled (and not suitable for selection) until the choice that forces them to be disabled is undone; e.g. the choice of the dataset conditions the variables available for analysis.
- (edit-Atlas) Seasonal tags Winter, etc. have been expanded to Winter (DJF), etc. to provide complete information.
- (change-Atlas) Cookies: This version fixes a bug that in some cases prevented data from being sent to Google Analytics even if the user accepted it.
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| - (error-Atlas) Wrong trend units: Trend units are "per decade" (this information was missing and is now indicated on the labels of maps and regional products).
- (change-Atlas) File export: The exported NetCDF/Tiff files include the full geographic domains available (in the previous version, trimmed versions were exported in some cases).
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| - (new-feature) Including versions' section in user guidance: Included information about periodic updates in a "Versions" link in the Atlas next to the "User Guidance"
- (error-Atlas) Google analytics: The first version collected data from google analytics prior to accepting the cookies. This has been fixed and no data is collected prior to acceptance.
- (error-doc) Reference period: The reference period used to compute the inter-annual variability threshold for the advanced uncertainty method is 1971-2005, which is the common historical period for all projection datasets (the period "1850-1900" included originally in the online Atlas information was wrong).
- (error-doc) Information on PET version: The method for computing the PET component of the SPEI index is Thornthwaite (the online Atlas information wrongly included Hargreaves).
- (change-doc) Improving index documentation: The dataset documentation of non-direct indices has been improved providing further details on the definition and calculation.
- (change-Atlas) Displaying uncertainty for relative changes: Uncertainty was not displayed for relative changes (the uncertainty mask is the same for both absolute and relative, but is was disabled for relative changes).
- (change-Atlas) Removing an incomplete baseline period: The 1961-1990 baseline option has been removed for CORDEX datasets, since data was incomplete in this period. This affects the maps for changes and global warming levels (time series were already available from 1970).
- (change-Atlas) Customized regional products: Computation of large regions have been optimized to reduce computing time and some configuration problems resulting in job failure for some datasets have been fixed.
- (edit-Atlas) Typo: A typo in filenames of exported timeseries regional product has been fixed ("timeseries" instead of "timeserie").
- (edit-Atlas) Layout: The button for closing the left side has been moved higher up, since the footer covered it partially.
- (edit-Atlas) Typo: Typo when hovering to the download icons ("mas" instead of map and truncated info for NetCDF/Tiff).
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| First version of the C3S Atlas launched. |
Known-problems and update plans: We are working in the following known problems to include fixes in the coming versions:
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