ions ▁or ▁vent ed ▁by ▁under ground ▁or ▁under water ▁nuclear ▁explos ions . ▁Mac qu arie ▁Island ▁is ▁an ▁important ▁global ▁monitoring ▁location ▁for ▁scientific ▁research , ▁including ▁monitoring ▁southern ▁hem is phere ▁clim atic ▁data ▁by ▁Ge os cience ▁Australia . ▁ ▁Fac ilities ▁Vari ous ▁buildings ▁exist , ▁some ▁d ating ▁back ▁to ▁the ▁early ▁ 1 9 5 0 s : ▁S leep ing ▁qu arters ▁are ▁in ▁Southern ▁Aur ora ▁D ong as ▁( S AD ), ▁Garden ▁C ove ▁( D orm ), ▁Hass el borough ▁House ▁and ▁C ump ston ' s ▁C ott age . ▁A ▁combined ▁mess ▁and ▁kitchen ▁ad jo ins ▁the ▁doctor ' s ▁surg ery . ▁Storage ▁exists ▁in ▁the ▁main ▁store ▁shed ▁and ▁a ▁large ▁field ▁store ▁shed . ▁The ▁various ▁tr ades ▁there ▁have ▁their ▁own ▁work sh ops . ▁A ▁main ▁and ▁stand by ▁power house ▁provide ▁electric ity ▁and ▁ret ic ulated ▁he ating ▁water ▁via ▁a ▁heat ▁ex ch anger ▁on ▁the ▁dies el ▁gener ators . ▁Water ▁is ▁s our ced ▁from ▁a ▁dam ▁at ▁the ▁top ▁of ▁G ad get ' s ▁Gul ly ▁and ▁pip ed ▁to ▁storage ▁t anks ▁at ▁the ▁station . ▁S ew age ▁is ▁treated ▁before ▁dis charge ▁and ▁garbage ▁is ▁sorted ▁for ▁rec y cling ▁( back ▁in ▁Hob art ) ▁or ▁inc iner ation ▁on ▁site . ▁Scient ific ▁facilities ▁exist ▁in ▁the ▁Bi ology ▁Building , ▁Physics ▁Building ▁and ▁Bureau ▁of ▁Meteor ology ▁buildings . ▁Vari