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Major Karst Regions

WorldPhysical Environment

Major karst regions in the world

USGS

A map illustrates the major karst regions in the world.

Areas shaded in peach represent major karst regions worldwide. In North America, significant karst areas are found in northern and central Canada and the eastern and southwestern United States. In Central America, karst landscapes are prevalent, with notable areas in eastern Brazil. Europe features many karst regions, extending across North Africa from Algeria to Egypt and reaching south to Nigeria in the west and South Sudan in the east. Southern Africa also has prominent karst areas. In Southwest Asia, karst regions are widespread, as well as in Siberia and south-central China. New Guinea and eastern and southern Australia are also marked by significant karst landscapes.

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Major Karst Regions

Cotton Production (U.S.)

Mean Sea-Surface Temperature

Major Karst Regions

Class

Rank

Metric tons

-2.0 to 0.0

0.0 to 1.9

2.0 to 3.9

4.0 to 5.9

6.0 to 7.9

8.0 to 9.9

10.0 to 11.9

12.0 to 13.9

14.0 to 15.9

18.0 to 19.9

20.0 to 21.9

22.0 to 23.9

24.0 to 25.9

26.0 to 27.9

28.0 to 29.9

Yukon
2.27%
Alberta
4.20%
Manitoba
13.2%
Arizona
6.12%126.10e+4
Arkansas
17.2%33.42e+5
Colorado
460.00
District of Columbia
480.00
Idaho
0.527%310.00
Illinois
16.2%510.00
Indiana
33.8%240.00
Iowa
0.441%190.00
Kansas
2.31%153.92e+4
Kentucky
7.06%300.00
Minnesota
16.9%380.00
Mississippi
5.48%42.57e+5
Missouri
0.407%71.81e+5
Montana
410.00
Nebraska
5.07%390.00
Nevada
4.77%440.00
New Hampshire
370.00
New Mexico
29.5%172.68e+4
North Dakota
18.3%290.00
Ohio
340.00
Oklahoma
4.68%144.57e+4
Oregon
260.00
Pennsylvania
14.8%270.00
South Carolina
91.15e+5
South Dakota
180.00
Tennessee
4.04%81.55e+5
Utah
16.5%210.00
Vermont
220.00
West Virginia
27.1%420.00
Wyoming
4.22%230.00
Alaska
430.000.243%0.756%0.368%
Northwest Territories
1.44%0.540%
Florida
42.1%163.70e+40.797%0.110%0.317%0.665%
Rhode Island
500.004.89%
Washington
400.000.825%
Nunavut
3.79%2.12%
Maine
1.04%200.000.534%
Nova Scotia
45.5%1.84%0.489%0.275%0.472%
Virginia
17.5%134.68e+40.725%
Delaware
280.001.06%
Prince Edward Island
5.18%
Texas
0.625%17.51e+50.214%
Louisiana
117.84e+41.00%
Hawaii
330.0010.0%0.778%4.46%
North Carolina
13.2%52.18e+50.239%0.183%0.286%
New Brunswick
7.07%0.647%0.219%
Alabama
6.35%61.83e+50.114%
Wisconsin
31.1%450.000.545%
British Columbia
1.06%
Newfoundland and Labrador
9.36%1.04%0.607%
New Jersey
320.000.163%1.14%
Michigan
8.03%350.001.89%
Connecticut
360.000.194%
Massachusetts
490.001.32%2.66%0.220%
Georgia
38.3%25.66e+50.230%
New York
1.63%250.000.265%0.344%
Maryland
0.239%470.002.09%
Québec
2.89%0.165%
Ontario
5.81%0.375%
California
109.45e+40.120%0.206%
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