Future
modal vegetation class over 2076-2095 simulated with the MC1 dynamic global vegetation model (Bachelet et
al. 2001) at a 4 km x 4 km spatial resolution using future climate projections
provided through CMIP3 (http://www-pcmdi.llnl.gov/ipcc/about_ipcc.php).
Future climate drivers were generated using statistical
downscaling (simple delta method) of general circulation model projections, in
this case Hadley CM3 (Johns et al. 2003) under the A2 emission scenario (Naki?enovi?
et al. 2000). The deltas (differences for temperatures and ratios for
precipitation) were used to modify PRISM 4km historical baseline (Daly et al.
1994).
Note: The MC1 model is described in data basin (http://databasin.org/climate-center/features/mc1-dynamic-global-vegetation-model).
Grid
Value: Vegetation
Type
1: Tundra
2: Boreal
Coniferous Forest
3: Maritime
Temperate Coniferous Forest
4: Continental
Temperate Coniferous Forest
5: Cool
Temperate Mixed Forest
6: Warm
Temperate-Subtropical Mixed Forest
7: Temperate
Deciduous Forest
8: Tropical
Deciduous Forest
9: Tropical
Evergreen Forest
10: Temperate
Mixed Xeromorphic Woodland
11: Temperate
Conifer Xeromorphic Woodland
12: Tropical
Thorn Woodland
13: Temperate-Subtropical
Deciduous Savanna
14: Warm
Temperate-Subtropical Mixed Savanna
15: Temperate
Conifer Savanna
16: Tropical
Decidous Savanna
17: C3
Grasslands
18: C4
Grasslands
19: Mediterranean
Shrubland
20: Temperate
Arid Shrubland
21: Subtropical
Arid Shrubland
References:
Bachelet
D., R.P. Neilson, J. M. Lenihan, and R.J. Drapek. 2001. Climate change effects
on vegetation distribution and carbon budget in the U.S. Ecosystems 4:164-185.
Daly, C., R.P. Neilson, and D.L. Phillips. 1994. A
statistical topographic model for mapping climatological precipitation over
mountainous terrain. Journal of Applied Meteorology 33:140–158.
Johns, T.C., J.M. Gregory, W.J.
Ingram, C.E. Johnson, A. Jones, J.A. Lowe, J.F.B. Mitchell, D.L. Roberts,
D.M.H. Sexton, D.S. Stevenson, S.F.B. Tett, and M.J. Woodage. 2003.
Anthropogenic climate change for 1860 to 2100 simulated with the HadCM3 model
under updated emissions scenarios. ClimDyn 20: 583-612.
Naki?enovi?, N. and R. Swart,
Eds. 2000. Emissions Scenarios: A
Special Report of Working Group III of the Intergovernmental Panel on Climate
Change. Cambridge Univ. Press, Cambridge, U. K.