Zero-degree isotherm latitude (ZIL) position over Antarctica: Historical and Projections
Description
This is the dataset associated to the research 'Southward migration of the zero-degree isotherm latitude over the Southern Ocean and the Antarctic Peninsula: extent and implications' published in Science of the Total Environment.
This repository contains:
- ZIL_ERA5_1957-2020_position.zip: Historical position of the ZIL for every longitude point in ERA5 from 1957 to 2020 for different seasons. Files named:
- ZIL_ERA5_1957-2020[season]position.csv
- Dimensions: [lons, years]
- Units: degrees latitude
- ZIL_ERA5_1957-2020[season]position.csv
- ZIL_ERA5_1957-2020_timeseries.csv: Historical spatially averaged position of the ZIL for Antartica (Ant) and the Antarctic Peninsula (AP) in ERA5 from 1957 to 2020 for different seasons. File named:
- ZIL_ERA5_1957-2020_timeseries.csv
- Dimensions: [years, season_area]
- Units: degrees latitude
- ZIL_ERA5_1957-2020_timeseries.csv
- ZIL_ERA5_1957-2020_meanposition.csv: Historical temporally averaged position of the ZIL in ERA5 from 1957 to 2020 for different seasons and months. File named:
- ZIL_ERA5_1957-2020_meanposition.csv
- Dimensions: [lons, season/month]
- Units: degrees latitude
- ZIL_ERA5_1957-2020_meanposition.csv
- ZIL_CEMIP6_Historical_position.zip: Mean position of the ZIL for every longitude point in Historical simulations of CEMIP6 from 1957 to 2014 for different seasons. Files named:
- ZIL_CEMIP6_Hist_[season]_position.csv
- Dimensions: [lons, models]
- Units: degrees latitude
- ZIL_CEMIP6_Hist_[season]_position.csv
- ZIL_CEMIP6_SSP2-45.zip: Mean position of the ZIL for every longitude point under the SSP2-4.5 scenario in CEMIP6 for the period 2040-69 and 2070-90 for different seasons. Files named:
- ZIL_CEMIP6_SSP2-45_2040-69_[season]_position.csv
- Dimensions: [lons, models]
- Units: degrees latitude
- ZIL_CEMIP6_SSP2-45_2070-99_[season]_position.csv
- Dimensions: [lons, models]
- Units: degrees latitude
- ZIL_CEMIP6_SSP2-45_2040-69_[season]_position.csv
- ZIL_CEMIP6_SSP5-85.zip: Mean position of the ZIL for every longitude point under the SSP5-8.5 scenario in CEMIP6 for the period 2040-69 and 2070-90 and trends for the period 2015-99 for different seasons. Files named:
- ZIL_CEMIP6_SSP5-85_2040-69_[season]_position.csv
- Dimensions: [lons, models]
- Units: degrees latitude
- ZIL_CEMIP6_SSP5-85_2070-99_[season]_position.csv
- Dimensions: [lons, models]
- Units: degrees latitude
- ZIL_CEMIP6_SSP5-85_2040-69_[season]_position.csv
seasons are:
- ANN: Annual mean
- DJF: December-January-February (Summer)
- MAM: March-April-May (Autumn)
- JJA: June-July-August (Winter)
- SON: September-October-November (Spring)
areas are:
- Ant: All Antarctica
- AP: Antarctic Peninsula
Note: CEMIPT6 models include a column with CEMIP6 model average
Version control
v1.0 - Initial version
v1.1 - Change ERA5 dataset calculations from preliminary version of ERA5 to final version of ERA5
How to cite
If you use this dataset, please cite the accompanying paper as:
Complementary code
You can find the jupyter notebooks to complement the research in: https://doi.org/10.5281/zenodo.10063849
Contact
If you have any question, please contact with Sergi at sergi.gonzalez@slf.ch
Files
ZIL_CEMIP6_SSP245_position.zip
Files
(1.6 MB)
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Additional details
Related works
- Is published in
- Journal article: 10.1016/j.scitotenv.2023.168473 (DOI)
- Is supplemented by
- Computational notebook: 10.5281/zenodo.10063849 (DOI)
References
- S. González-Herrero, F. Navarro, L.R. Pertierra, et al., Southward migration of the zero-degree isotherm latitude over the Southern Ocean and the Antarctic Peninsula: Cryospheric, biotic and societal implications, Science of the Total Environment (2023), https://doi.org/10.1016/j.scitotenv.2023.168473