Which of the following North American rivers has the lowest discharge?

Rio Grande
St Lawrence
Yukon
Colorado
Rio Grande is the fourth or fifth longest river system in North America, but it flows through arid and desert regions. The average dis­charge is just 82 m³/s (St Lawrence: 10100, Yukon: 6200, Col­orado: 1200). It is also very vari­able, oc­ca­sion­al­ly rising to over 10000 m³/s or dropping to 1 m³/s. During portions of 2001 and 2002 the mouth of the Rio Grande was blocked by a sandbar.

Answers distribution

Rio Grande
St Lawrence
Yukon
Colorado
answers
flagFinland
85%
10%
1%
2%
67
flagSwitzerland
81%
6%
6%
6%
49
flagthe United Arab Emirates
80%
7%
5%
5%
52
flagItaly
71%
7%
13%
7%
104
flagthe Netherlands
67%
12%
6%
12%
116
flagSweden
62%
18%
13%
6%
61
flagGreece
61%
8%
19%
8%
36
flagSpain
50%
7%
26%
15%
38
flagthe United Kingdom
48%
17%
15%
17%
587
flagAustria
46%
26%
15%
11%
45
flagCanada
43%
21%
21%
13%
46
flagFrance
43%
17%
26%
12%
41
flagAustralia
43%
21%
21%
13%
23
flagthe United States
42%
17%
20%
19%
664
flagGermany
41%
21%
16%
21%
307
flagPoland
40%
23%
19%
16%
18675
flagRepublic of Ireland
32%
19%
25%
22%
71
flagNorway
23%
17%
32%
26%
34
flagUnknown
20%
30%
28%
19%
1025
flagIndia
20%
37%
19%
21%
78

Gender

men40%
women43%
Rio Grande
40%
43%
St Lawrence
23%
24%
Yukon
18%
16%
Colorado
18%
14%

Language versions

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answers
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Which of the following North American rivers has the lowest discharge?
967
34%

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Author: Riho Ishii
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