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
84%
10%
2%
2%
46
flagItaly
70%
8%
12%
10%
50
flagthe United Arab Emirates
66%
8%
8%
16%
12
flagSpain
58%
8%
20%
12%
24
flagBelgium
42%
21%
21%
7%
14
flagthe Netherlands
41%
10%
17%
31%
29
flagthe United States
38%
18%
22%
19%
441
flagFrance
38%
19%
25%
16%
31
flagAustralia
38%
22%
22%
16%
18
flagPoland
37%
24%
19%
18%
8829
flagCanada
37%
25%
20%
16%
24
flagthe United Kingdom
36%
20%
19%
21%
268
flagGermany
33%
18%
18%
30%
142
flagUU
32%
28%
12%
28%
25
flagNorway
24%
20%
32%
24%
25
flagIndia
20%
30%
27%
22%
40
flagRepublic of Ireland
20%
17%
38%
23%
34

Gender

men43%
women36%
Rio Grande
43%
36%
St Lawrence
20%
27%
Yukon
16%
17%
Colorado
19%
17%

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Which of the following North American rivers has the lowest discharge?
635
31%

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Author: Riho Ishii
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