ls'cMag um: EACH flflp dusl resulls Al lhe luml edge, lhreleesremrned and specially wlndeudapled lrees bufiei lhe leunlelrne musk ol the Mud ll we eul a wmdward ions! edge, and remove lhese delenees, wmdbum by salr, dusr ulnasron, or ius| plam wuldhm may well loll or llnuw duwn lherrmer lonsl ul wuknskms and less mishm speeles Thls rs a tommonly observed phenomenon, whrsh l have rulled ‘edge bleak", Conversely, we can ser up a luresl uy plunlmg lough, mximm lrees as wlndbruk, and so prolecr subsequenl downwind planllngs Faml edges are lherelore lo he regardud es mail and pamurlm! prureeelon and should never be on or removed, ll dry not an enren lhe towsl, il ls shaded, cooled, and humrdrlred lleold hunud anenrersrheloresl, u 15 warmed, dehumrdrhed, and slowly released VIA lhe crown or lhe nees We may see lhu warm hurmd an us mlsry sprrals aseendrng lmm rhe lores| The rrees mudlly exrremes nl heul und hurnrdny m a me enhanerng and rolmahle level The wrnds delleued over lhe loresl cause eompressron rn lhe srrodmlrnes ol rhe wrnd, an elm exreudrng la rwenry umes lhe rree helghl, so rhara l2 m (W17 hrgh lme ol hees sompnsses rhe uh lo zu m lsoo leell above, lhns emung more walor vapom per ml“ vulumz, und also moling lhe asreudmg uu srream Bah eundlhuns are condutive ro rum As lhese elleels oecur al lhe loresl EDGE, a smgle hedgernw cl 4qu permoahlluy wrll eeuse surnlar RAIN N mnsvsksa 1»st mm!» ”were mzwlsuzafimm an») (vaEssw. (To 2px") awn: H [mm SPIMLS MM mum, W Aes mm mm anus canon-mm n4 muss mammal mmMmMms) .n maul run mmpnnslon. ln nae counuy, and espeoally m she path m onshore wlnds, hne grwl phmmznti or rsln guuges in such munu'ies as Holland and Sweden reml lhal m of rho nmlnll mlund dowmwrnd ol hues and malmds l1 m an ken or more in hrlglu n causcd by lhnsornpeenslun phmamm, ll wlnd speeds are higher 132 lsm/h a! mouth lhe ilkimlim may lse preserved, and ram lalls perpendreulnr ru lhe wmdbteak Huwtvex, al lower wrnd speeds (lhe runnnl winds), mroulense end uvcnum Dcmrs. Wxnd slreaunmg our rhe hedgerow or fomsl edge desalbes a span) sueuon, repealed ss limes downwmd, so "m . m 0! mmynessim hunrs, lhls lime parallel ro rhe wlndhreak, are ere-led .n lhe aonuspheue. nus phenomena was lrrsr desenued hy Ekman lur lhe eumpresnun hums erealud uver wan; ax sea m Elmran sparals over nees or ululrs may resull ln a mulled sen» ul elouds, uhen wry regular n. ma. mws They an no! perrewy h. lure ahead, but are defleded by drag and lhe Coriolus lorce ru mange lhe wrnd dneohon, so lhar |he wuld alter lhe hedgerow may hlow 5—15 degroes ull lhe preyrous course lune can rmagrue that ranks ul hedgerows phced lo lnke advanlage of lhls ellecl would evemuflly hnng lhe wmd around m a gal ground spiral l Wmds ax sea do m luo lunn greal menses, and bring eyelonre rams lo lhe weslerly oeeunlr eoasrs dl all wnflmnh. These eyelonus themselves oeule wurm and sold lronu whleh ndge up an masses to chat: mu. ln mu], hedgerows across wmd syslms have a prolound elleer on the arrsleeams plfim‘ om lhern, and a sub sequenlelled on lueal elrmale end rulnlall. CONDENSATION PHENOMENA On (he sea—memg mass ol rslands und eonunenrs, lhe .elauvely warmer land surli