Bias corrected climate scenarios over Japan based on CDFDM method using CMIP6

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This dataset is bias corrected climate scenarios over Japan with the spatial resolution 1km using CMIP6. Five GCMs were selected from CMIP6; MIROC6, MRI-ESM2-0, ACCESS-CM2, IPSL-CM6A-LR, MPI-ESM1-2-HR. Regarding the GHGs emission pathways, SSP1-RCP2.6, SSP2-RCP4.5, and SSP5-RCP8.5 were used. CDFDM proposed by Iizumi et al. (2010; 2011; 2012; 2014; 2017) was modified so that the model is constructed within each month. Daily data for eight variables (daily mean, max, min temperature, precipitation, solar radiation, downward longwave radiation, wind speed, and relative humidity) are avairable from 1900 to 2100.

Description

Creator
Release date
2021/05/01
Temporal coverage
1900/01/01 - 2100/12/31
Data provider
NIES
Email: cgerdb_admin(at)nies.go.jp
DOI
File format
Data volume
~1.5 TB
Version
Ver.1 (Last updated: 2021/05/01)
Language
English

Data Set

Parameters
Daily mean Temperature (degC), Daily maximum temperature (degC), Daily minimum temperature (degC), Daily precipitation (mm/day), Global solar radiation (MJ/m2/day), 10m wind speed (m/s), Surface relative humidity (%), and Downward longwave radiation(MJ/m2/day).
Domain
Japan (122-146°E, 24-46°N, over land only)
Time resolution
1 day
Spatial resolution
1 x 1 km
Calculation method
Bias correction using modified CDFDM method was applied. The CDF for the calibration period was conducted in each month. Daily observational data from 1980 to 2018 were utilized to maximize the reference period. Historical data for the GCM was composed of 1980-2014 from the historical run and 2015-2018 from the SSP585 run for each GCM. As a reference data, we used the Agro-Meteorological Grid Square Data (Ohno et al. 2016). Data formats were based on the Gregorian calendar. Linear trend was preserved for the daily mean, max, and minimum temperature and downward longwave radiation.
Keywords
[GCMD_Platform]
Models/Analyses > Climate Models
[GCMD_Science]
Atmosphere > Atmospheric Temperature > Surface Air Temperature
Atmosphere > Precipitation > Precipitation Amount
[Free keywords]
Climate scenario, CMIP6, Bias correction, CDFDM, Impact assessment
Update history
[2021/05/01]
Dataset was released. Ver.1.

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When publishing any Products based on the present data set, it must be clearly stated that the present data set was used.
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When this data set is referred to in publications, it should be cited in the following format.
Ishizaki, N. N., 2021: Bias corrected climate scenarios over Japan based on CDFDM method using CMIP6, Ver.x*1, NIES, doi:10.17595/20210501.001, (Reference date*2: YYYY/MM/DD)
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