ware. inside me earlli illan we an in slnall danls, and wiili a giualer beneficial cllcd all Im Nu dains al modesrsine neara villas! gwrsl‘l dean waler Soul“: lar nausea and a weleorne swunl-ilinp area irlleae illrlmons need lope dearly sepamed, even ll rile lausrlsalsu (or garden use: lslum RUN-OFF mp5 tuMAMM7 ln gently—$10171!!! uplands wllrl welladeyelaped valley runnall in lalny periods, and wllere loess soils enable deep Inhlhlrmn. lsrael llas drvcloped wllar are essenlrally dry darns al lielin ux N as lla, llle ooziain yided nail, and me dry walls Imlc eansalidaled. Tlle bald“ lllernselyee ale lez in nlyi and 2.5 in wide. ll ran be penerleial id supporl ille inside base ul ille hank wiln slarle Sl|b ai lllo ends M ine walls will spill waier ai a depili 0140—60 earl, wneri ii (an llaw io me next linianim. lies aie esvabllslled in liliaoinlpoundnlenis nle run—oil area is lsoln 30-500 llnles rllal al rliis nirllmlmt, rlle inure gerllly waierean be led in ma luw slope diversiiin draiils or as sneer nowl, me less sxlting and sill erosion oeeurs, bu| lipea will grow well 1! ills so“ is ke-pu open by allay, dr eninpaedan liy livesuiele u pievenled, Catch-(mp is peesllile in we! yeais lriunl wilsdn,c lrl laudswpr Mislulm, Au; I980) AQUIFER INTAKE AREAS Only in lllll eaunlry, and lllerl lor ille inosi parl prl ridges, plaleaus, and derrilua slopes do we rind open supsurlaepellarlnpls lor ilie deep inrlllralian al waier, as loose gravel ledges, snarlered ur salulile ranks, (appmgi ol loose dunesarlds, rlr llemly iailsiod ridges and high slapes ai porrius nlaleriala surll as linlesldrle, in»! 1’ lmrammg suds, rir nsaund rad lsipnle 1mm, me ill.» inialles, waler will emu llle soil and Mk srrala, and lraliel Irlr rnaiiy inein-s or kllomlters lo springi, rllvers, ar arieslan hasms. IE waier irnin lliase laiier Mullws is la pp ll l lsed, mm and rilalllierlanre ol lne prlinary lnialee is essenilal Saiellile leleineiry meals llle pairerns ol [law in underground slieanls, Melsi lolldw rile dip olsedlrnerlis. and ille general slope oi ine land. hul aliuliers ean \unlxke siieainal llow uphlll, and illey can aim pruduee a head 0! waiar (usually llorrl d 5 m 7 rni in pore pipes or plemnlelels (pressure “mam, oil llalier land, large areas al sand aei as peielied aquileis abow: lbs perirloaale dtscfl pallernerlr m (lay soils Waler llpin lime seeps our ul ilie dune base, and (in b: used lueally loi llees. Waier is lound lipin Ame 2 in deep in dune sands as inaisl sands. Tlle "Hake aieaa can mine inelreeliye by deposn or valcank asll ur laud, by line dus| ironl deseri dusi slurlns. or by sand and dusi bIown upliill lroiil sulliyared and overgnud mas. Exwp| iar lulearllslru suen ellaeis can be minimised by slablliaing lne landscape, by windbreaks, and by pirueelud ieaerves In all eases, delareslarion al slopes and ridges iaduees rile rlllerweness ol iniaki-l We ean assisl aliuller lriiake by . Planting runs an ridges and slupes, - Bmldm‘ deep inlereeplur drains ml eonlour rlear ridge laps and on plalealis, . Ripplng m