Long-term trends in air temperature and precipitation under climate change were analyzed for two meteorological stations on the Island of Montreal: McGill (1872–1986) and Pierre-Elliott-Trudeau (P-E-T, formerly Dorval) Airport (1942–2014). A linear trendline analysis, the Mann–Kendall (MK) test and the two-sample Kolmogorov–Smirnov (KS) test were conducted to assess specific climate trends. On a 100-year basis, temperature increased 1.88°C (34%) and 1.18°C (19%) at the McGill and P-E-T Airport sites, respectively, while annual rainfall increased 23.9 mm y−1 (2.3%) and 138.8 mm y−1 (15%) over the same period. The frequency of 50% (every other year) and 95% (every year) annual maximum daily rainfall events showed decreasing trends for the McGill station, but increasing trends for the P-E-T Airport station. Growing degree-days and growing season length are prone to being influenced by climate change and are critical to managing agricultural activities in the Montreal region; both showed increasing trends. At the same time, the onset of the growing season occurred earlier as time progressed.
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Research Article|
July 21 2016
Long-term trends of climate change and its impact on crop growing season on Montreal Island
Erika Bouchard;
1Department of Bioresource Engineering, McGill University, Sainte-Anne-de-Bellevue H9X 3V9, Canada
E-mail: [email protected]
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Zhiming Qi
Zhiming Qi
1Department of Bioresource Engineering, McGill University, Sainte-Anne-de-Bellevue H9X 3V9, Canada
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Journal of Water and Climate Change (2017) 8 (1): 78–88.
Article history
Received:
October 05 2015
Accepted:
June 11 2016
Citation
Erika Bouchard, Zhiming Qi; Long-term trends of climate change and its impact on crop growing season on Montreal Island. Journal of Water and Climate Change 1 March 2017; 8 (1): 78–88. doi: https://doi.org/10.2166/wcc.2016.139
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