Re: snow and height

Rodney Blackall wrote:
> In article <438f04ff$0$82647$ed2619ec@xxxxxxxxxxxxxxxxxxxxxxxxxx>,
> Stuart Brooks <test@xxxxxxxx> wrote:
>
>> 2. Reduced snow melt due to: a. Warmer airmasses will reach an
>> isolated hill easily, while if the plateau is flat, warm air may
>> rise over the cold ground more gently and fail to erode the surface
>> cold air, especially in any lower pockets on the plateau.
>
> 3. Snowmelt will also depend on the conductivity of the 'soil'. S.
> Essex has some of the thickest, stickiest, intractablist clay in the
> world which, I suspect, takes ages to warm up or cool down. Other
> soils will react more quickly. The degree of waterlogging will affect
> the thermal conductivity as well as heat capacity.

We have detailed soil maps in Scotland courtesy of the Macaulay Institute. I
assume there is an equivalent which could be consulted for the two areas
Scott mentioned. I suppose also that the effect of a more clayey soil on
lying snow (compared to a sandy soil) would depend on soil temperatures,
i.e. if it was previously warm it would melt the snow more quickly, but if
was waterlogged and then frozen, could make the snow lie for longer!

--
Stuart Brooks
Carluke
South Lanarkshire 221m amsl

webcams at
www.brooks22.plus.com/index.htm

Webcam: http://www.brooks22.plus.com


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