Final Technical Report - weADAPT

forcing. It also addresses both climate change and climate variability and the most
important feature is that it generates daily climate output which is necessary for
downstream impact study, e.g. for use in the modeling of hydrological regime and crop
production.
The driving force that was used for generating this set of climate scenarios was
the increasing of atmospheric CO 2 concentration, as CO 2 is the largest contributor to
anthropogenic radiative forcing of the atmosphere (SRES, 2000). The future climate
scenarios were simulated based on the condition of different atmospheric CO 2
concentration levels. The atmospheric CO 2 concentration of 360 ppm, which is the CO 2
concentration level approximately at present time (or to be more precise such condition
was around the decade of the 1980s), was used for simulating baseline climate scenario.
The climate scenarios for future were simulated at CO 2 concentration of 540 ppm and
720 ppm (or at 1.5 time and double of baseline condition).
The coverage of climate simulation under this study is as per illustration below:
Figure 9: Geographical coverage of the CCAM simulation –
Southeast Asia and southern region of People Republic of China
The result from climate simulation still require further analysis and adjusting
based on observed climate data during the baseline period. Even though, the climate
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