Table 3: The 10 megacities in the Asian Monsoon Region; LST slope (°C/12y) during June-August 2003-2014, based on 1 km Aqua -MODIS. Statistically significant slopes at a 95% (i.e. P < 0.05) are in bold. NA = not available.

City R2 P- Value Trend
Day Night Day Night Day Night ∆ (DTR)
Tokyo 0.0534 7.09E-05 0.4695 0.9792 0.113 -0.002 0.117
Guangzhou 0.1808 0.0308 0.2205 0.5852 0.305 -0.024 0.329
Shanghai 0.0107 0.0413 0.7487 0.5261 0.051 -0.046 0.097
Seoul 0.0718 0.0335 0.3995 0.5689 0.095 0.053 0.042
Delhi (until 2008)** NA 0.4830 NA 0.1253 NA 0.211 NA
Karachi (until 2011)** 0.4142 0.3238 0.0326 0.0676 0.243 0.218 0.025
Osaka 0.0018 0.0233 0.8948 0.6352 0.018 0.039 -0.021
Beijing 0.2600 0.3029 0.0903 0.0637 0.110 0.108 0.002
Dhaka (until 2013)** NA 0.0735 NA 0.3938 NA 0.147 NA
Kolkata** NA 0.0266 NA 0.6123 NA 0.058 NA

Note: **Data for Karachi, Dhaka, Delhi and Kolkata are limited as indicated earlier.