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Table 1.

Total glacier and snowfield areas in each sub-basin of Teesta basin.

Glaciers
Permanent snowfields
Sub-basinNo. of glaciersTotal area (km2)Sub-basinNo. of snowfieldsTotal area (km2)
Tsakchurong Chu 30.8 Tsakchurong Chu 1.263 
Prek Chu 20.37 Chakung Chu 0.909 
Rilli Chu 1.3 Rangyong Chu 17.233 
Rangyong Chu 71.15 Umaran Chu 20 22.959 
Umaran Chu 25.93 Ringi Chu 1.501 
Zemu Chu 80 Tista River 11 20.86 
Goma Chu 22 82.72 Zemu Chu 14 36.87 
Chumbo Chu 15 41.81 Goma Chu 35 30.67 
Lachung Chu 11 49.15 Chumbo Chu 29 40.389 
Sebuzung Chu 37.01 Lachung Chu 21.96 
   Lachung Chu 49 47.474 
   Sebuzung Chu 16 9.156 
Total 84 440.24 Total 197 251.244 
Glaciers
Permanent snowfields
Sub-basinNo. of glaciersTotal area (km2)Sub-basinNo. of snowfieldsTotal area (km2)
Tsakchurong Chu 30.8 Tsakchurong Chu 1.263 
Prek Chu 20.37 Chakung Chu 0.909 
Rilli Chu 1.3 Rangyong Chu 17.233 
Rangyong Chu 71.15 Umaran Chu 20 22.959 
Umaran Chu 25.93 Ringi Chu 1.501 
Zemu Chu 80 Tista River 11 20.86 
Goma Chu 22 82.72 Zemu Chu 14 36.87 
Chumbo Chu 15 41.81 Goma Chu 35 30.67 
Lachung Chu 11 49.15 Chumbo Chu 29 40.389 
Sebuzung Chu 37.01 Lachung Chu 21.96 
   Lachung Chu 49 47.474 
   Sebuzung Chu 16 9.156 
Total 84 440.24 Total 197 251.244 

Source: Glacier Atlas of Teesta Basin, ISRO 2001.

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