TABLE 1.

Chemical analysis of pond water from ponds on Bratina Island and in Wright, Victoria, and Miers valleys in Antarctica^a

Geographical location and pond or study siteb or sample	Concn (g m−3)c				pHc
	Cl−	SO42−	Ca2+	Na+
Bratina Island
Bambi	550	180	30	310	9.6
Brack	1,300	8,200	100	3,800	10.1
Caston	270	310	11	300	9.7
Heart	840	130	11	480	8.8
Moist	ND	ND	ND	ND	ND
No name	430	130	30	210	9.3
P70	1400	230	24	720	9.7
Pancreas	1100	220	29	700	8.9
Retro	550	390	46	340	9.6
Salt	5,100	33,000	200	14,000	9.7
Skua	120	140	8.9	140	9.7
Vent	1200	220	30	720	9.1
Weather station	1400	230	24	740	9.7
Victoria Valley
Basalt	5,300	960	1,100	1,800	8.5
River gauge	4.5	3.2	3.1	1.8	8.1
TP lower	8,800	1,100	1,900	2,800	8.9
TP upper	ND	370	870	1,200	8.3
Upper Victoria	2000	ND	ND	ND	ND
Wright Valley
E3	5.3	12	1.6	6.7	7.9
E4	46	120	33	45	8.6
L01	110	160	39	81	9.3
L15	49	70	23	35	9.4
L16	380	140	28	190	9.2
L26	2,800	580	91	1,300	8.5
L3	8.2	18	6.2	7.4	9.3
L4	11,000	2,000	520	6,000	8.3
L9	750	280	40	460	9
Puddle	430	210	43	250	9.5
Ridge	31	37	6.1	41	7.1
Miers Valley
Lake Miers sites
LMM1	3.9	3	ND	ND	ND
LMM2	3.9	3	ND	ND	ND
LMM3	3.9	3	ND	ND	ND
LMM4	3.9	3	ND	ND	ND
LMM5	2.0	3.9	ND	ND	ND

^aNo data is available for the Marshall Valley, Adams and Miers glacier, and Lake Purgatory sites.

^bUnofficial names of study ponds or study sites.

^cND, not determined.