Research Article
A Comparison of Two Methods on the Climatic Effects of Urbanization in the Beijing-Tianjin-Hebei Metropolitan Area
Figure 3
Annual mean SAT trends from (a) station observations (OBS), (b) ECMWF ERA-interim reanalysis data (ERA), (c) NCEP/NCAR reanalysis data (NNR), and (d) NCEP/DOE reanalysis data (NDR) during 1979–2009 (unit: °C decade−1). Also shown is the DMSP/OLS nighttime light imagery from 2009.
| (a) OBS |
| (b) ERA |
| (c) NNR |
| (d) NDR |