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FIGURE 5.5
smut MULGH UNDER WEE (CONDEMSAUUM mm.
Laos. ms vi slune m less man I .n mun cumnre mm l len
[WM aunmeuunl mean luwnpmuned mun slun- us
FIGURE 5.:
wunmsanuu ml) or LANZAROIE
and sums nuns. undelmuflvls.wnfltnxsnn rum
Tnble Mounrann sdulh Ahlna, and I27 an lso lnchesl
lor Lanal lHawanl llvm log dnp alone In sueh areas,
even neld crops may lhnve wuhoul lrnganonv
Typlcallv, pure lock end new sou surlaces are colonrsed
wuh lldwn; and mosses un mrlacmg slopes, wrule
nimoxesl develops on neher smls Mudl ol New
Zenland experientzs upslope lag preclpuanon, and
unless burr“ or clcnred up lussock grasslands, dense
lereslswrlldevelop. me |nzgulir canopy ol such loresls
ue encellenl log condensers Even wllh no vruble 10g,
uees wx|| condense conslderable rnorsnue on surlidllg
slopes wuh mghl wmds movrnp m dd warm sus aver
lhe land, and (monmenng lhe cool lenl larnlnae ol
loresls
ln me very humid nl. pl log lruesls, pranl uses may
accumrncdnle so much mnlsmre, and evapouan.
Spinhun l5 so lnelleeuve \Iiwgsand sull au pzmfl, lhal
rno.e large Ilmbs lall .n slrll 1|! thin m condurons or
hlgh wlnds lumen rend lo snap dry branches rnmer
unan Iwmg hmbs) Ills an eerle expenence, aher a lew
days pl qum logs, lo hear a suddul '|hump“ a! lrees m
lhe durel lpresls Almos pennanenl eondensarlon lags
clcuhe lhc laps nl hlgh oeearuc .slands, and hangmg
mosses and eprphyres npldly develop (here, as lhey do
al the base ol walerlalls, lor lhe sarne reasons (nee
mmsture pamcles In lhe am
55
ff
RADIATION
50m RADIATION
hummus globnl redrauon has lwu (omponzmsv
DIRECT scum RADIATION peneuaunp |he alma-
sphere lmm lhe sun, and DIFFUSE sl<v RAD|A110N
The lancr ls a slgnlhcam eonrponeru nl hlgh lalimdes
55- o! more) where u my be up lo m 0! lhe nual
mmmmg energy Near lhe poles, such dllluse ndmion
approaches low 0! energy We have .ellable nunsnres
only a! dued solar ndlauon, ns lew sladuns measure
lhe dllluse mdlauon whrch occurs whenever we have
doud. fog, or overcasl slaes.
L15!“ and hen are measured In WAVELENGYHS,
each set a! whrch have speqflc properues. We need u.
undersland the baslcs ul such radlauon (a desrpn
homes, space henlers, and plin| sysoems; u. choose sues
lor selxlernenl; and In selecl planl speries (ox sues
Table so: help; In Explaln lhe elleels ol drllenng
wavelenglhs
A nunpr componenl ol lerreslnal radlauon u the
eauhs surlite ls mulled as heal horn lhe mung pnhe
ennh usell The grealer pan ol In. znzrgy that affens us
In everyday llle n lhal ol radrauon mmmmg 1mm lhe
sun
ol lhe Incoming ax fihorkwave ndlahon {uken m be
mow. anheouler boundary unhe alumsphelel,
- sac;n never leeches lhe earln dlmuy. mu rs uncured
m lhe gpses, dusz, and cloud: nl lhe :lmnsphere lmlf
113