The global Carbon Cycle

Prof. Dr. Gerrit LohmannE-mail: lohmann@awi-bremerhaven.deTel: 0471-4831-1758 / 1750http://www.awi-bremerhaven.de/Modelling/Paleo/lessons/VL_WS0506/Carbon.html

Monday, 11:15 – 13:00Room: S 3032

CO2

1015g

Pg

1) 20.10.05 Overview, Budgets 27.10.05 No lesson

2) 3.11.05 Ocean: inorganic carbon cycle3) 10.11.05 Ocean: organic carbon cycle4) 17.11.05 Terrestrial Biosphere5) 24.11.05 14-C Carbon isotopes6) 1.12.05 13-C Carbon isotopes7) 8.12.05 Box-Models, Practical, mini-evaluation8) 15.12.05 CNPZD-Models

9) 12.01.06 Lithosphere, weathering10) 19.01.06 Sediments11) 26.01.06 Carbon cycle – climate interaction12) 02.02.06 Paleoclimate13) 09.02.06 Summary

Plan for ``The Global Carbon Cycle´´

How to get the Credit Points /Schein?

Protocol / minutes (5-10 pages including figures)Practical work within the lessons

1015gC = Pg C

Isotopes of Carbon

• 10-C

• 11-C

• 12-C

• 13-C

• 14-C half-life: 5726 years

• 15-C

• 16-C half-life: 0.74 s

Paleoclimate: Time scales ~ 100,000 years

``The holy grail´´

Ocean

Ocean: inorganic Carbon Cycle

Box Models

ThermodynamicEquation

Equationsof Motion

TurbulenceParameterization

SaltEquation

Sea Ice

ThermodynamicEquation

HydrologicEquation

Vegetation

Land Ice

OCEAN LAND

TurbulenceParameterization

Equationsof Motion

Radiation

ThermodynamicEquation

WaterConservation

Equation

CloudParameterization

ATMOSPHERE

Sensible Heat

Radiation

Runoff

WindStress

Sensible Heat

Radiation

Evaporation

Precipitation

Evaporation

Precipitation

Schematic diagram showing the components of a global climate model (GCM).

4 - 14

Present Day Observations and Budgets

Soil and Plants