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| 0744 |
Southern Tibet : vol.7 |
Citation Information
OCR Text
The northgoing valleys are broad and open and bounded by relatively moderate
mountains. They are to a great extent filled with deposits of shingle and gravel,
and carry as a rule the characteristic features of plateau-valleys. In this respect they
resemble the uppermost portions of the valleys of the Indus and the Tsangpo, though
these two rivers flow to the ocean, whereas the northern Transhimalayan rivers go
to self-contained basins.
The southgoing valleys, on the other hand, are deep-cut and narrow, rarely
giving space for deposition of solid material. In consequence of the steeper fall
and the greater amount of precipitation on the southern side of the great water-
parting, the southgoing rivers are capable of sweeping their beds clear from debris
and deposits, and this capacity increases gradually towards the east.
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541
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563
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573
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583
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635
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646
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656
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666
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681
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693
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704
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714
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726
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737
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742
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747
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758
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773
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788
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801
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813
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833
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848
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864
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876
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888
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