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Dataset

 

Climate of the last millenium UV solar model experiments

Latest Data Update: 2019-09-02
Status: Completed
Online Status: ONLINE
Publication State: Published
Publication Date: 2019-10-09
Download Stats: last 12 months
Dataset Size: 73 Files | 9GB
Abstract

This dataset contains UV solar model experiment data using the Hadley Centre Global Environmental Model version 3 at the Global Coupled model 2.0 (HadGEM3 GC2) configuration (Williams et al 2015). The model was used as part of the Natural Environment Research Council (NERC) Climate of the LAst Millennium (CLAM): An Integrated Data-Model Approach to Reconstruct and Interpret Annual Variability in North Atlantic Circulation project (NE/N001176/1).

The model performs step changes in the UV forcing and integrate for 50 years to identify multi-decadal changes due to solar radiation adjustment. The simulations are 0.25 degree ocean resolution (eddy-permitting) and so ocean dynamics and ocean-atmosphere coupling are more realistic than in models used in previous work evaluating the effect of UV forcing. Each simulation has an equivalent control simulation, and an experiment with a total solar irradiance change in addition to the UV forcing experiments.

Citable as:  Garry, F.; Halloran, P. (2019): Climate of the last millenium UV solar model experiments. Centre for Environmental Data Analysis, date of citation. https://catalogue.ceda.ac.uk/uuid/654678c486084d90b40419ac8ec405b5
Abbreviation: Not defined
Keywords: CLAM, Model, Climate, Millenium, UV, Solar

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
Access rules:
Access to these data is available to any registered CEDA user. Please Login or Register for an account to gain access.
Use of these data is covered by the following licence: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

The simulations were performed on Monsoon at the Met Office, data downloaded onto JASMIN before archiving at Centre for Environmental Data Analysis (CEDA).
Data Quality:
Data are as given by the data provider, no quality control has been performed by the Centre for Environmental Data Analysis (CEDA)
File Format:
Data are netCDF formatted

Related Documents

No documents related to this record were found.

Process overview

This dataset was generated by the computation detailed below.
Title

HadGEM3 GC2
Abstract

The Hadley Centre Global Environmental Model version 3 at the Global Coupled model 2.0 (HadGEM3 GC2) configuration (Williams et al 2015). HadGEM3 GC2 has atmospheric resolution of 0.83° longitude by 0.55° latitude (about 60km at mid-latitudes), with 85 atmospheric levels, and an ocean resolution is 0.25° with 75 quasi-horizontal levels. The simulations are all prescibed with preindustrial CO2 and a 1850 climatological estimate of ozone.

Each set is from the same initial conditions (ocean and ice initial conditions from the HadGEM3 GC2 simulation anude, year specified below)
Experiment set 1 is comprised of:
CONTROL EXPERIMENT (C)
TSI = 1361
LOWERED TSI EXPERIMENT (T)
TSI lowered by 0.5
UV PERTURBATION EXPERIMENT (U)
TSI lowered by 0.5 plus P, UV lowered by P
COMPENSATION UV PERTURBATION (P).
TSI lowered by 0.5, UV lowered by P, Compensatory increase in other spectral bands by total of P
Experiment sets 2-4 are comprised of C, U and P, and experiment sets 5? 8 are comprised of C, T and U.
Set 1: ar181 (C), as241 (T ), as838 (U), at451 (P), initialised from 2300 of anude
Set 2: av313 (C), av314 (U), ax732 (P), initialised from 2390 of anude
Set 3: ax378 (C), ay335 (U), az416 (P), initialised from 2350 of anude
Set 4: ax610 (C), az258 (U), az780 (P), initialised from 2410 of anude
Set 5: ba394 (C), ba397 (U), bg183 (T), initialised from 2380 of anude
Set 6: ba695 (C), bb689 (U), bg162 (T), initialised from 2360 of anude
Set 7: bc059 (C), bc456 (U), bg189 (T), initialised from 2320 of anude
Set 8: bd385 (C), bd389 (U), bg190 (T), initialised from 2360 of anude}
Input Description

None
Output Description

None
Software Reference

None
  • var_id: air_temperature
  • units: degrees_Celsius
  • units: degrees_north
  • var_id: latitude
  • units: hPa
  • var_id: levels
  • units: degrees_east
  • var_id: longitude
  • units: Pa
  • var_id: mean_sea_level_pressure
  • var_id: time
  • units: years
  • var_id: wind_speed
  • units: m/s

Co-ordinate Variables

Coverage
Temporal Range
Start time:
2015-01-01T00:00:00
End time:
2065-12-31T23:59:59
Geographic Extent

 
90.0000°
  
-180.0000°
  
180.0000°
 
-90.0000°
  
Related parties
Authors (2)
Publishers (1)
Funders (1)
Principal Investigators (1)