INTEGRATION Model Overview


 
Model name
Institute
System modelled Required input variables Temporal/spatial grid for input Link-
age 1
Output variables Temporal/spatial grid of output Comments
Climber-2

PIK
Atmosphere, ocean, vegetation,
carbon cycle
CO2 equivalent
concentrations
from MAGICC (Hare)
time series   n/a   Oceanic:
T, S, v; (2D, 3 basins)
Atmospheric: T, q;
vegetation

plus many diagnostic variables  
monthly means,
yr 1800 - 2300

atmos: 10x51
ocean: 2.5 deg lat
run time: 24,000 yr/day  
Climber-2
downscaled

PIK
land surface climate   Climber-2 output:
SAT, SLP, vertical velocity at 700 hPa, specific humidity at 700 hPa
Climber-2 output n/a   SAT, diurnal SAT range,
cloudiness,

precipitation, wet-day freq., vapor pressure
monthly means,
yr 1800 - 2300

Europe,
0.5 x 0.5 deg
 
Climber-3α

PIK
Ocean, Atmosphere

in MOM: Six/Maier-Reimer phytoplankton model
CO2 equivalent
concentrations
from MAGICC (Hare)
time series   n/a   Oceanic: T, S, v; (3D)
Atmospheric: T, q;

plus many diagnostic variables
Atmos.: 7.5x22.5 (lon x lat)
Ocean: 3.75x3.75
MOM only: 3x2
24 depth levels

ΔT=1 day
cpu time 70 yr/day

scenarios not available yet
Climber-3α
downscaled

PIK
land surface climate   Climber-3α output:

SAT, SLP, vertical velocity at 700 hPa, specific humidity at 700 hPa
Climber-3α output n/a   SAT, diurnal SAT range,
cloudiness,

precipitation, wet-day freq., vapor pressure
monthly means,
yr 1800 - 2300

Europe,
0.5 x 0.5 deg
 
CN-REcoM/

REcoM&Co.

AWI
Phytoplankton

Calcification

Zooplankton only passively ("grazing pressure")
SST, pCO2, MLD, cloudiness

(coupled to Climber-3α)

same as Climber-3α COUP variables for phytoplankton biomass and succession,

forms and ratios of N, P, C  
same as Climber-3α   intermediate step: couple REcoM to MOM,
not done yet
ROMS

IMR
regional OGCM:
Norwegian coast, Barents Sea

Individual-based model: Arcto-Norwegian Cod larvae and early juveniles
T, S, u, v, sea surface height, heat fluxes (4 kinds), freshwater fluxes, wind stress, cloud cover Downscaling with climatology + anomalies approach:

Climber-3α and BCM original grids as input
SLI T, S,
3D var. U, V, and W;

trajectories and sizes of all cod larvae  
Hourly means, timeslices of Feb.-Sept. per year

Ocean grid: between 5x5km and 8x8km  
larvae growth depends on T and transport, not on zooplankton
BEFM

ZMAW HH
Bioeconomic model of fish stock and fishery  

optimization model

stock size of several fish species,
split into age classes, their constitution (from ROMS) and recruitment

harvesting strategy
time series
ΔT=1 year

length: 100 yr  
SLI

 
stock size (cod, capelin),
catch rates by species
(3 competing fleets)  
time series   in progress:
input for recruitment function:
* from ROMS
* from Climber-3α

 
AEZ

PIK/
IIASA
agricultural yield of 154 crops downscaled Climber-2/ -3α   downscaled Climber-2/ -3α   COUP
C-2

SCEN
C-3α
potential yield of crops:
wheat, potato, rape, maize, ...  
monthly means,
yr 2000 - 2300

Europe,
0.5 x 0.5 deg, later: 1/12 x 1/12 deg  
coupling to Climber-2 in progress

soil maps need to be included

cpu time: 2400 yr/day
LPJ

PIK
potential or actual vegetation;
functional vegetation types (grasses, shrub, trees, crops,...)

terrest. carbon cycle  
downscaled Climber-3α:
SAT, precip, CO2, solar radiation

land-use change scenarios
downscaled Climber-3α:
0.5 x 0.5 deg,
monthly means  
SCEN

 
fractional cover for each functional type,
8 crop classes,
structure, status of vegetation,
litter and soil carbon pools, evapo- transpiration, runoff, light interception, and seasonal cycle  
globally: 0.5 x 0.5 deg
Europe: 0.1 x 0.1 deg  
coupling to Climber in progress
4C

PIK
tree vegetation dynamics for single species, soil C/N dynamics;
budgets of C, N, water
SAT, precip, CO2, solar radiation   Daily time series:

weather generator from LPJ  
SCEN for tree species: stand structure, carbon pools in living trees, litter and soil, harvested wood, evapotranspiration, runoff, light interception, and seasonal cycle   time series for specific stands   initial conditions plausible, but not from real data  
EFISCEN

EFI
Forestry,
incl. adaptation  
SAT, precip

plus input from LPJ
monthly time series
aggregated from Climber-3α for each region  
SCEN timber classes, their distribution to different economic sectors   various regions covering entire Europe   initial conditions are prescribed by forest inventory statistics

no soil

run by EFI  
DIVA  

PIK et al./
DINAS-COAST
Vulnerability assessment of coastal zones   Climber-3α output

if possible
Climber-3α output

if possible
SCEN  four assessment modules: flooding, coastal wetlands, socio-economic impacts, adaptation time series per coast segment not sure if Climber-3α scenarios are applicable
TWA/ integrated assessment

PIK
impact of emissions on global climate, THC, global GDP   normative guard rails   n/a   n/a  range of allowable CO2 emissions ("emission corridors")
incl. economic restrictions  
time series   coupling to MIND planned  

Legend

1  Linkage to Climber: COUP: fully coupled; SCEN: driven by climate scenario; SLI: computation of time slices



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Table maintained by: Till Kuhlbrodt
Last modified: Tue Apr 5 2005