A large river basin, with a watershed area of 125,000 km² is divided into six sub- basins with drainage areas of (a) 5,200 km², (b) 18,600 km², (c) 32,400 km², (d) 20,800 km², (e) 37,200 km², and (f) 10,800 km². The average annual precipitation for each subbasin is (a) 981 mm, (b) 752 mm, (c) 678 mm, (d) 495 mm, (e) 520 mm, and (f) 504 mm. What is the average annual precipitation for the overall 125,000 km² river basin?

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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2.14. A large river basin, with a watershed area of 125,000 km² is divided into six sub-
basins with drainage areas of (a) 5,200 km², (b) 18,600 km, (c) 32,400 km², (d) 20,800
km², (e) 37,200 km², and (f) 10,800 km². The average annual precipitation for each
subbasin is (a) 981 mm, (b) 752 mm, (c) 678 mm, (d) 495 mm, (e) 520 mm, and
(f) 504 mm. What is the average annual precipitation for the overall 125,000 km²
river basin?
Transcribed Image Text:2.14. A large river basin, with a watershed area of 125,000 km² is divided into six sub- basins with drainage areas of (a) 5,200 km², (b) 18,600 km, (c) 32,400 km², (d) 20,800 km², (e) 37,200 km², and (f) 10,800 km². The average annual precipitation for each subbasin is (a) 981 mm, (b) 752 mm, (c) 678 mm, (d) 495 mm, (e) 520 mm, and (f) 504 mm. What is the average annual precipitation for the overall 125,000 km² river basin?
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