Figure 11.
Map showing the locations (red stars) of ground-based lidar observations published since 2004. The box attached to each location indicates the metals that have been measured and a footnote which lists the location and a recent reference: a, South Pole;129 b, Syowa, Antarctica;321 c, Davis, Antarctica;132 d, McMurdo, Antarctica;114 e, Rothera, Antarctica;131 f, Cerra Pachon, Chile;322 g, São José dos Campos, Brazil;165 h, Kototabang, Indonesia;144 i, Gadanki, India;323 j, Arecibo, Puerto Rico;140 k, Maui, HI;171 l, Hefei, China;153 m, Wuhan, China;147 n, Uji, Japan;166 o, Albuquerque, NM;169 p, Beijing;167 q, Boulder, CO;168 r, Ft. Collins, CO;324 s, Vancouver, Canada;325 t, Kühlungsborn, Germany;178 u, Poker Flat, AK;159 v, Sondrestrom, Greenland;137 w, Andøya, Norway;326 x, Tromsø, Norway;327 y, Spitsbergen, Norway.138