400-800 PgC range in TRENDY models Plot-scale and satellite benchmarking

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ORCHIDEE Annual Meeting 2013 400-800 PgC range in TRENDY models Plot-scale and satellite benchmarking Biomass benchmarking

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Biomass benchmarking. 400-800 PgC range in TRENDY models Plot-scale and satellite benchmarking. Biomass benchmarking. Human disturbance (44 Mkm 2 ) and natural disturbance (i.e., fire: 2-3 Mkm 2 a -1 ) . Biomass benchmarking. Global Forest Age. Biomass benchmarking. 1850. 1870. …. - PowerPoint PPT Presentation

Transcript of 400-800 PgC range in TRENDY models Plot-scale and satellite benchmarking

Page 1: 400-800  PgC  range in TRENDY models Plot-scale and satellite benchmarking

ORCHIDEE Annual Meeting 2013

- 400-800 PgC range in TRENDY models- Plot-scale and satellite benchmarking

Biomass benchmarking

Page 2: 400-800  PgC  range in TRENDY models Plot-scale and satellite benchmarking

ORCHIDEE Annual Meeting 2013

Biomass benchmarking

• Human disturbance (44 Mkm2) and natural disturbance (i.e., fire: 2-3 Mkm2 a-1)

Page 3: 400-800  PgC  range in TRENDY models Plot-scale and satellite benchmarking

ORCHIDEE Annual Meeting 2013

Global Forest Age

Biomass benchmarking

Page 4: 400-800  PgC  range in TRENDY models Plot-scale and satellite benchmarking

ORCHIDEE Annual Meeting 2013

Global biomass-age curve

1850 1870

Biomass benchmarking

20001990….

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ORCHIDEE Annual Meeting 2013

448 PgC-age corrected752 PgC-potential

Pote

ntia

l bio

mas

s re

duct

ion

with

age

(KgC

m-2)

Pan et al. 363±28 PgC

Biomass benchmarking

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ORCHIDEE Annual Meeting 2013

Standard ORCHIDEE biomass(tC ha-1)

Age-corrected ORCHIDEE biomass(tC ha-1)

Biomass benchmarking

Page 7: 400-800  PgC  range in TRENDY models Plot-scale and satellite benchmarking

ORCHIDEE Annual Meeting 2013

Overestimate(Vcmax, turnover)

Agreement (±25 KgC m-2)

Underestimate(land cover?)

Biomass benchmarking