Re: (XSS229/3A)/Channel Pattern & landforms -- GEOFORUM

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Date Posted: 09:43:06 08/31/99 Tue
Author: chenyee
Subject: Re: (XSS229/3A)/Channel Pattern & landforms
In reply to: Michele 's message, "Re: (XSS229/3A)/Channel Pattern & landforms" on 13:35:23 08/26/99 Thu

> 1)Is this the rate that affects the rate of which
> runoff increases downstream and the rate of the
> sediment yield?
>
the predictable rate increases due to an increase in drainage area. a small river drainage pattern diagram would show the effects. by extending the river system to be examined, the drainage area would inevitably be enlarged. with an increase in area, runoff and sediment yield would be the two aspects affected. it is like nature's way of keeping balance.

> 2) Also , does permeablility of the underlying rock,
> vegetation cover and climate play a part in
> influencing this theory? In other words, does this
> affect the predictable rate?

this is a tough one. maybe the vegetation cover, underlying rock and climate do play a part. but their role is of such extensive cover that their effects are ingrained into that of the calculation of the predictable rate. meaning for example a vegetation cover indigeneous to our area of study of drainage basin may affect the runoff rate. but the predictable rate that increases will still be "predictable" in a sense when the area increases. this is because the vegetation cover itself is extensive throughout the whole map its effects on the runoff rate becomes a "constant" rather than a "variable" factor. finally, the predictable does not change.

nb: i am not too sure about the responses to these rather tough questions. forgiveness if there are discrepancies or if i am actually spouting nonsense.

chenyee

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Replies:

Re: (XSS229/3A)/Channel Pattern & landforms -- Michele, 10:43:17 08/31/99 Tue
- Re: (XSS229/3A)/Channel Pattern & landforms -- Dr. Chatterjea, 19:58:51 09/07/99 Tue