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Global potential for carbon storage based on forest ecosystems

Ni, Yuanming
Master thesis
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http://hdl.handle.net/11250/222820
Issue date
2014
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  • Master Thesis [2971]
Abstract
As our concerns about climate change grow, how

much anthropogenic emission

biosphere

can

absorb

as a net carbon sink

remains an important

issue

.

This

thesis

builds a physical

model

and an economic model of world forest based on

the same forest stand growth curves and common

assumptions

of proper carbon

storage method

which has

enough stability and longevity such as biochar.

The aim of

the study is to estimate the potential of carbon storage by world forest and the

related economic implications.

In the physical model,

combined forest management strategies of afforestation,

decreased deforestation as well as harvesting and replanting are discussed.

The

results indicate a global annual potential

of

carbon sequestration in the range of 1

to

2 Gt

of carbon

by

harvesting,

which is significant as compared

to

the

annual global

emissions of

around

10 Gt

of

carbon.

In the economic model, the major take away is

that commercial value as well as carbon value can be created while more carbon is

locked through proper use of harvested wood.

Although forest grows

relatively

slow, the long term potential can be large,

especially

when technologies such as biochar production become more mature.

As a fast

but

expensive solution, CCS technology has gained little progress so far.

Other

alternatives of carbon storage should be discussed and studied further.

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