Table 1 Overview of model experiments.

From: Local biomass burning is a dominant cause of the observed precipitation reduction in southern Africa

Experiment *

Short description

Global CO 2 vmr (p.p.m.)

BC burden (mg m2)

OC burden (mg m2)

BASE

Year 2000 conditions

367

1.85

11.8

BB1850

Biomass burning emissions of BC/OC for 1850

367

1.15

6.79

CO21850

CO2 concentrations for 1850

285

1.85

11.8

CO2BB1850

Both CO2 and BB changed to 1850

285

1.15

6.79

  1. *BB=BASE−BB1850; CO2=BASE−CO21850; CO2BB=BASE−CO2BB1850.
  2. Burdens are averaged over southern Africa (subregion shown by dashed rectangle in Fig. 1) and over the June to September season.