Scottish mountain snow
-
Upload
mike-spencer -
Category
Documents
-
view
219 -
download
0
Transcript of Scottish mountain snow
-
8/19/2019 Scottish mountain snow
1/61
Reanalysis of Scottish mountain snow
Mike Spencer
-
8/19/2019 Scottish mountain snow
2/61
River Dee at Park gauging station
-
8/19/2019 Scottish mountain snow
3/61
-
8/19/2019 Scottish mountain snow
4/61
!hree phases
● Data mining
● Relationship to climate oscillations
● Modelling
-
8/19/2019 Scottish mountain snow
5/61
Part "
Data
-
8/19/2019 Scottish mountain snow
6/61
Data mining
-
8/19/2019 Scottish mountain snow
7/61
-
8/19/2019 Scottish mountain snow
8/61
-
8/19/2019 Scottish mountain snow
9/61
-
8/19/2019 Scottish mountain snow
10/61
Data mining
● "#$%$ record sheets
● #%"&'( data)ase lines
● "*%( to &++$
● "%+ stations
-
8/19/2019 Scottish mountain snow
11/61
,seful?
-
8/19/2019 Scottish mountain snow
12/61
-
8/19/2019 Scottish mountain snow
13/61
-
8/19/2019 Scottish mountain snow
14/61
-
8/19/2019 Scottish mountain snow
15/61
-
8/19/2019 Scottish mountain snow
16/61
-ther datasets
● Met -ffice stations
● ,.CP+*
● Satellite
● /onacina snowiness inde0
● Plot si1e e0periments
-
8/19/2019 Scottish mountain snow
17/61
/onacina
-
8/19/2019 Scottish mountain snow
18/61
M-D2S
-
8/19/2019 Scottish mountain snow
19/61
-
8/19/2019 Scottish mountain snow
20/61
Satellite performance
● 3igh classification of cloud
● !oo much low elevation snow
● !oo few snow free days
● 3igh o)servation of summer snow
-
8/19/2019 Scottish mountain snow
21/61
Part &
Relationships
-
8/19/2019 Scottish mountain snow
22/61
4orth 5tlantic -scillation
-
8/19/2019 Scottish mountain snow
23/61
What is the 45-?
6 h
P a
3 2
h P
a
6anuary &+"+ mean
6anuary &+"& mean
-
8/19/2019 Scottish mountain snow
24/61
-
8/19/2019 Scottish mountain snow
25/61
45- forecasting
Scaife et al7 &+"%7 D-28 "+9"++&:&+"%G;+(*#
-
8/19/2019 Scottish mountain snow
26/61
Results
-
8/19/2019 Scottish mountain snow
27/61
-
8/19/2019 Scottish mountain snow
28/61
-
8/19/2019 Scottish mountain snow
29/61
-
8/19/2019 Scottish mountain snow
30/61
-
8/19/2019 Scottish mountain snow
31/61
-
8/19/2019 Scottish mountain snow
32/61
-
8/19/2019 Scottish mountain snow
33/61
-verall relationship?
-
8/19/2019 Scottish mountain snow
34/61
-
8/19/2019 Scottish mountain snow
35/61
-
8/19/2019 Scottish mountain snow
36/61
Part <
Modelling
-
8/19/2019 Scottish mountain snow
37/61
Snow modelling
●
!o infill sparse time:space● Cali)rate with SSG/?
● 2nput data
– Met -ffice station
– C3 G5R
– ,.CP+* temperature
● !wo stage
– Point
– Grid
-
8/19/2019 Scottish mountain snow
38/61
-
8/19/2019 Scottish mountain snow
39/61
Point
-
8/19/2019 Scottish mountain snow
40/61
-
8/19/2019 Scottish mountain snow
41/61
-
8/19/2019 Scottish mountain snow
42/61
Grid
-
8/19/2019 Scottish mountain snow
43/61
-
8/19/2019 Scottish mountain snow
44/61
-
8/19/2019 Scottish mountain snow
45/61
-
8/19/2019 Scottish mountain snow
46/61
-
8/19/2019 Scottish mountain snow
47/61
-
8/19/2019 Scottish mountain snow
48/61
Results
-
8/19/2019 Scottish mountain snow
49/61
5nnual melt as percentage of precipitation
5P
-
8/19/2019 Scottish mountain snow
50/61
5P
=ear
-
8/19/2019 Scottish mountain snow
51/61
and
45-
-
8/19/2019 Scottish mountain snow
52/61
5nnual days of snow cover
5P
-
8/19/2019 Scottish mountain snow
53/61
5P
=ear
-
8/19/2019 Scottish mountain snow
54/61
and
45-
-
8/19/2019 Scottish mountain snow
55/61
Conclusions
.ey findings
-
8/19/2019 Scottish mountain snow
56/61
.ey findings
● ,p to %&> water through snow● 4ew #+ year data set availa)le SSG/@
– Demonstrated use
● Mapped strength and varia)ility of 45-Asnowlink
● Buantified Scottish snow statistics
-
8/19/2019 Scottish mountain snow
57/61
5long the way
5)isko7 Sweden &+"&
-
8/19/2019 Scottish mountain snow
58/61
5)isko7 Sweden &+"&
-
8/19/2019 Scottish mountain snow
59/61
-
8/19/2019 Scottish mountain snow
60/61
-
8/19/2019 Scottish mountain snow
61/61
Many thanks
Stay in touch8mikerspencer
m9spencered9ac9ukmikerspencer9com
scottishsnow9wordpress9com