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Data Source: Dynamically-downscaled climate projections by RegCM at a resolution of 25 km under RCP4.5 emissions scenario, driven by boundary conditions from CanESM2, HadGEM2-ES, and GFDL-ESM2M; Dynamically-downscaled climate projections and IDF curves from PRECIS under RCP4.5 driven by HadGEM2-ES.

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Copyright © 2015 - IEESC, University of Regina.
Please use the latest version of web browsers (Chrome, Firefox, IE, or Safari) to access this data portal.
Developed by Xander Wang.
Contact: ccdp@uregina.ca
About Us

Ontario Climate Change Data Portal (hereinafter, Ontario CCDP) is launched to ensure technical or non-technical end-users (e.g. municipalities, private sector) have easy and intuitive access to the latest climate data over the Province of Ontario, Canada.

Up to now, Ontario CCDP has incorporated the high-resolution (25 km x 25 km) climate projections developed by the IEESC at the University of Regina using the PRECIS model and the RegCM model under RCP4.5, RCP8.5, and SRES A1B emissions scenarios. Other modeling results will be gradually integrated into this data portal in the near future.

You are currently in the view window of climate change projections under RCP 4.5 emissions scenario. If you want to switch to the view window of RCP8.5 emissions scenario, please click here; if you want to switch to the view window of A1B emissions scenario, please click here.


Data Source

The data presented in this view window is derived from the dynamically-downscaled climate projections by RegCM at a resolution of 25 km under RCP4.5 emissions scenario, driven by boundary conditions from CanESM2, HadGEM2-ES, and GFDL-ESM2M, as well as the dynamically-downscaled climate projections from PRECIS under RCP4.5 driven by HadGEM2-ES.


References

  • Wang et al. (2017). "Probabilistic projections of regional climatic changes over the Great Lakes Basin". Climate Dynamics, 49(7-8), 2237-2247.

  • Wang, Xiuquan, Gordon Huang (2015). "Technical Report: Development of High-Resolution Climate Change Projections under RCP 8.5 Emissions Scenario for the Province of Ontario". IEESC, University of Regina, Canada. >> Download

  • Wang, Xiuquan, et al. (2016). "GIS-Based Data Portal for Climate Change Impact Assessment". Bulletin of the American Meteorological Society, 97: 17-18. >> Download

  • Wang, Xiuquan, et al. (2015). "Ensemble projections of regional climatic changes over Ontario, Canada". Journal of Climate, 28: 7327-7346. DOI: http://dx.doi.org/10.1175/JCLI-D-15-0185.1. >> Download

  • Wang, Xiuquan, et al. (2015). "Twenty-first century probabilistic projections of precipitation over Ontario, Canada through a regional climate model ensemble". Climate Dynamics. DOI: http://dx.doi.org/10.1007/s00382-015-2816-6. >> Download

  • Wang, Xiuquan, et al. (2014). "High-resolution probabilistic projections of temperature changes over Ontario, Canada". Journal of Climate, 27, 5259–5284. DOI: http://dx.doi.org/10.1175/JCLI-D-13-00717.1. >> Download

  • Wang, Xiuquan, et al. (2014). "High-resolution temperature and precipitation projections over Ontario, Canada: a coupled dynamical-statistical approach". Quarterly Journal of the Royal Meteorological Society. DOI: http://dx.doi.org/10.1002/qj.2421. >> Download

  • Wang, Xiuquan, et al. (2014). "Projected increases in near-surface air temperature over Ontario, Canada: a regional climate modeling approach". Climate Dynamics. DOI: http://dx.doi.org/10.1007/s00382-014-2387-y. >> Download

  • Wang, Xiuquan, et al. (2014). "Projected increases in intensity and frequency of rainfall extremes through a regional climate modeling approach". Journal of Geophysical Research: Atmospheres. DOI: http://dx.doi.org/10.1002/2014JD022564. >> Download

  • Wang, Xiuquan, et al. (2013). "A stepwise cluster analysis approach for downscaled climate projection–A Canadian case study". Environmental Modelling & Software, 49, 141-151. DOI: http://dx.doi.org/10.1016/j.envsoft.2013.08.006. >> Download


Citation

When referring to the maps and data sets published on this data portal, the source must be clearly and prominently stated and cited. We recommend to use the citation for appropriate data in the manner below:


Disclaimer

The IDF curves, maps, and climate data sets published on Ontario CCDP are for non-commercial research and educational purposes only. If you are a commercial user, please contact us for further permission. This data portal is developed with care and believed to be reliable, but mechanical or human errors remain a possibility. Any commercial users or development practitioners should use the data sets and preliminary results on this data portal with caution. The IEESC accepts NO responsibility for any inaccuracies or omissions in the data, nor for any loss or damage directly or indirectly caused to any person or body by reason of, or arising out of, any use of this data portal.


Acknowledgements

The development of Ontario CCDP was funded by Ontario Ministry of the Environment and Climate Change.


FAQs (for RCP4.5 view window only)
Is it free for downloading climate data from Ontario CCDP?
Yes, it is.
Why do I need to create an account before downloading climate data?
We are trying our best to make this data portal as useful as possible by clearly knowing who are the major users, what kind of data sets are of most interest, etc. We therefore ask you to create an account before downloading the data provided by Ontario CCDP. This is to help us carry out some helpful statistics and make appropriate improvements to the data portal.
What is the baseline period?
The baseline period is 1986-2005 which is consistent with the IPCC AR5.
What is the spatial resolution of the data sets?
It is 25 km.
Why do you provide downscaled climate change scenarios only for four driving models?
Our selection of driving GCMs (i.e., CanESM2, HadGEM2-ES, and GFDL-ESM2M) is based on the data availability of each model and our current computing capacity. Downscaling of other models' results is now under way. We will publish them to Ontario CCDP once they are ready.
How many variables are included?
Here is a full list of variables:
  • Mean air temperature at 2m, unit: °C
  • Maximum air temperature at 2m, unit: °C
  • Minimum air temperature at 2m, unit: °C
  • Precipitation, unit: mm/day
How can I download the data file?
For temporally averaged data sets (i.e. annual, seasonal, and monthly), you can download one file including the data of all grid points by clicking on the "Download" button on the main Main Panel.

For daily timeseries data sets, you need to click on a specific grid point and find the download link to its data file in the pop-up window.

How is the data file named?
Generally, the data file will be zipped into a package and named as follows:

      [Variable_Name]_[Time_Period]_[Averaging_Option]_[Driving_Model]_[Latitude]_[Longtitude].zip

For example, the data file for annual mean air temperature at 2m from 2070 to 2099 by the CanESM2 model (for all grid cells) will be zipped into:

      Mean.air.temperature.2m_2070-2099_Annual_CanESM2_0_0.zip

How can I obtain hourly time series data to drive impact models?
Currently, Ontario CCDP does not include hourly time series outputs from our RegCM and PRECIS simulations under RCPs. If you really want to use them to drive your impact models, please submit a formal proposal including your name, address, affiliation, contacts, research purpose and data requirements, research area (with detailed coordinates) to Xander Wang at: xander.wang@ontarioccdp.ca. We will try our best to accommodate your data requirements.
Contact Us

Ontario CCDP is developed and maintained by Xiuquan (Xander) Wang in the School of Climate Change and Adaptation at the University of Prince Edward Island.

For any questions or comments, please contact: ccdp@uregina.ca.

Mailing Address:

        240, 2 Research Drive,
        IEESC, University of Regina
        Regina, Saskatchewan
        S4S 7H9, Canada
        Tel: (306) 337-3298


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By clicking on the above button, you agree to the terms below:
1) The maps and data sets publised in this data portal are for non-commercial purposes. Any commercial users should contact us for further permission.
2) We accepts no responsibility for any inaccuracies or omissions in the data, nor for any loss or damage directly or indirectly caused to any person or body by reason of, or arising out of, any use of this data portal.
3) When your are referring to the maps and data sets published in this data portal, the source must be clearly and prominently stated and citated.