chapter18

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Unformatted text preview: p;f1$ *)#&0&#B2$6%41T$ +#$ *-2$ 9JKK@=$ *-%1$ 71"(. tive). The smooth black curve shows decadal variations.*(.$ V1$ s approximate%"''+%#+.$ #4*#$ nd this )4*('+$ variations account for 67% of the linear m :&'",+$ 2 over tdecadalavariations. res wideslyprceoarareasino a ftrriend,daTexasteecrinalalynNorth#4*#$#4+$3FI$9%++$5+)#&1($;2X2Z2J=$?-*B%$*($&8?1,#*(#$,1-+$*%$* ;2@<=2$ obal land sohows he glQ1('$reTah.eItttiheeresferriee9JKKJ=$ deisnpcoreass t g A can r#4+$, esap in dnittshe Sahel,Americate ande Paraguay in South Some r nd (e.g. ought p t i trend of PDSI from 1900 t 200 o featu for instance. No also th wetter areas, especially in easteANorth and S,*&(7*--$a10+,$e#4+$^*('#_+$ m Dai much bof Africa has become drier, especially the subrn merica) have d north rn Eur ia. Adapted but et al 2004 ). &($ %"88+,$ outh America nbecomeaswetterfro `&0+,$. (0*--+B$ C*%$ ."+$ #1$ 81."-*#1,$17$3(.&*($,*&(7*--2$O4+$D-$E&f1/51"#4+,($F%)&--*#&1( &%$ *-%1$ ,+-*#+.$ #1$ *#81%?4+,&)$ " $")#"*#&1(%$ !1#4$ &($ #4+$ 3(.&*( Saharan Sahel. (source: IPCC report) %+)#1,$*(.$&($(1,#4+*%#+,($N4&(*$9a&(#+,$+#$*-2>$JKKJ=2$ 3.7.2 263 Australia O4+$ 6"%#,*-&*($ 81(%11($ )10+,%$ #4+$ (1,#4+,($ #4&,.$ 1 )1(#&(+(#*-$6"%#,*-&*$*(.$%",,1"(.&('$%+*%$*(.>$)1(%&.+,&('$&#% )-1%+-B$)1&()&.+(#$-1)*#&1($*(.$*(("*-$+01-"#&1(>$&%$17#+($%#".&+. &($)1(d"()#&1($C&#4$#4+$81(%11($10+,$#4+$&%-*(.%$17$3(.1(+%&* *(.$H*?"*$E+C$Q"&(+*2$O4+$6"%#,*-&*($81(%11($+M4&!&#%$-*,'+ &(#+,*(("*-$ *(.$ &(#,*/%+*%1(*-$ 0*,&*!&-&#B>$ -*,'+-B$ *%%1)&*#+. C&#4$#4+$+77+)#%$17$DE5F>$#4+$A*..+(/c"-&*($F%)&--*#&1($9AcF *(.$ #,1?&)*-$ )B)-1(+$ *)#&0&#B$ 9A)L,&.+>$ @RRYW$ \+!%#+,$ +#$ *-2 @RRYW$ \4++-+,$ *(.$ A)L,&.+>$ JKKS=2$ g%&('$ ,*&(/'*"'+$ .*#* Figure 18.x Annual...
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This document was uploaded on 11/21/2013.

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