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DOCUMENTATION OF LAND USE INDICATORS ... - GaBi Software

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3<br />

In the exaample,<br />

results<br />

and re espective iinterpretatio<br />

on approac ches are ppresented<br />

for f Erosionn<br />

Resistancee<br />

(Transformation)<br />

and d Biotic Prooduction<br />

(O Occupation) ). Indicator values are e shown forr<br />

the extracttion<br />

of 1 t off<br />

lignite in Spain S and 1 t of lignite in Malaysia a. The respeective<br />

indica ator values, ,<br />

scaled to 1 kg, can bee<br />

found in th he <strong>GaBi</strong> dattabase.<br />

Figure 1:<br />

EXAMPLLE<br />

[kg/a]<br />

1,660E‐02<br />

1,440E‐02<br />

1,220E‐02<br />

1,000E‐02<br />

8,000E‐03<br />

6,000E‐03<br />

4,000E‐03<br />

2,000E‐03<br />

0,000E+00<br />

Erosion RResistance<br />

transformmation<br />

indicator<br />

values<br />

for thee<br />

extraction n of 1 t off<br />

lignite in Spain and Malaysia<br />

(Q(t4)-Q(t1) ))*area usedd.<br />

Erosion<br />

RResistannce<br />

(Transformmation)<br />

Lignite SSpain<br />

Liggnite<br />

Malaysiaa<br />

Transformaation<br />

exammines<br />

the pe ermanent immpacts<br />

cau used by a la and use. It is calculate ed with thee<br />

following foormula:<br />

Figure 1 s<br />

lignite in S<br />

values are<br />

lignite an a<br />

year in the<br />

the transfo<br />

between th<br />

for the land<br />

is a moor 3<br />

hows the EErosion<br />

Res sistance traansformation<br />

n indicator values for tthe<br />

extraction<br />

of 1 t off<br />

Spain compared<br />

to the e indicator vvalues<br />

for the<br />

extractio on of 1 t liggnite<br />

in Malaysia.<br />

Bothh<br />

positive, wwhich<br />

means s there is a negative im mpact on the<br />

environmment.<br />

In Spa ain for 1 t off<br />

amount of 00.0023<br />

kg soil<br />

is additioonally<br />

erode ed to the na aturally occcurring<br />

soil erosion perr<br />

e time followwing<br />

the reg garded land use on the e used land due to the permanent t impacts off<br />

ormation. In Malaysia this<br />

amountt<br />

sums up to o 0.0143 kg g. The reasoon<br />

for the discrepancy<br />

d y<br />

he lignite exxtraction<br />

im mpacts in Sppain<br />

and Malaysia M is due d to the ddifferent<br />

lan nd qualitiess<br />

d use typess<br />

in the situa ation t1 and t4. In Spain n the land use<br />

type for t1 is grassla and, for t4 itt<br />

landscapee<br />

that repres sents falloww<br />

land with some vege etation. Thee<br />

quality diff ferences off<br />

the two situuations<br />

are not as grav ve as for MMalaysia:<br />

There,<br />

the lan nd use type for t1 is (su ub-) tropicall<br />

3<br />

not repres senting hill orr<br />

raised moors,<br />

but deple eted land.<br />

Page 18 / 222

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