Homogenization of benchmark network temp/sur1/000001 Dubravka Rasol, MHSC, Croatia Elke Rustemeier,...
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Homogenization of benchmark network temp/sur1/000001 Dubravka Rasol, MHSC, Croatia Elke Rustemeier, University of Bonn, Germany Olivier Mestre, Meteo-France, France
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Transcript of Homogenization of benchmark network temp/sur1/000001 Dubravka Rasol, MHSC, Croatia Elke Rustemeier,...
Homogenization of benchmarknetwork temp/sur1/000001
Dubravka Rasol, MHSC, Croatia
Elke Rustemeier, University of Bonn, Germany
Olivier Mestre, Meteo-France, France
Method and data
Elke and Dubravka - STSMs
Meteo-France,Toulouse
Sep/Oct 2009 – 2 weeks
Olivier - the host
method - PRODIGE
Mean temperatures - benchmark network temp/sur1/000001
Period 1900-1999
9 stations, NE Spain
Stations:
50 Observatori-de-Ebre-Roquetes
60 Aeroport-de-Reus
70 Aeroport-de-Barcelona
100 Flix
110 Tivissa
120 Lleida
130 Vila-seca
150 Caldes-de-Montbui
160 Cardedeu
Geographical position of the stations
Correlations between the stations
Visual inspection of outliers
Visual inspection of outliers
List of the outliers
Station month year-------------------------------------------------------------------Observatori-de-Ebre-Roquetes 5 1969Aeroport-de-Barcelona 3 1936Flix 5 1982Flix 10 1960Tivissa 8 1982Lleida 9 1967Vila-seca 1 1931Vila-seca 10 1957Caldes-de-Montbui 2 1982Caldes-de-Montbui 3 1952Caldes-de-Montbui 9 1943-------------------------------------------------------------------9 stations -> altogether 11 outliers at 7 stations0-3 per station
Raw data
4.0
6.0
8.0
10.0
12.0
14.0
16.01
90
0
19
05
19
10
19
15
19
20
19
25
19
30
19
35
19
40
19
45
19
50
19
55
19
60
19
65
19
70
19
75
19
80
19
85
19
90
19
95
year
me
an
te
mp
era
ture
(°C
)
50
60
70
100
110
120
130
150
160
Break points detection (Aeroport-de-Reus)
Break points detection after several runs of homogenization procedure (Aeroport-de-Reus)
List of break points
• Observatori-de-Ebre-Roquetes (4)------1928,1939,1949,1974• Aeroport-de-Reus (4)-----------------------1947,1952,1973,1992• Aeroport-de-Barcelona (10)---------------1909,1920,1922,1941,1959,
1962,1972,1978,1988,1993
• Flix (4)------------------------------------------1948,1965, 1981, 1983• Tivissa(4)--------------------------------------1951,1954,1958,1987• Lleida (5)---------------------------------------1925,1949,1960,1964,1975• Vila-seca (4)----------------------------------1935,1964,1983,1905• Caldes-de-Montbui (8)---------------------1928,1930,1940,1951,
1961,1981,1988,1994• Cardedeu (4)---------------------------------1915,1931,1949,1995
Break points detection (Aeroport-de-Barcelona)
Corrections – yearly values
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.01
90
0
19
05
19
10
19
15
19
20
19
25
19
30
19
35
19
40
19
45
19
50
19
55
19
60
19
65
19
70
19
75
19
80
19
85
19
90
19
95
year
tem
pe
ratu
re (
°C)
50
60
70
100
110
120
130
150
160
Homogenized data series
4.0
6.0
8.0
10.0
12.0
14.0
16.019
00
1905
1910
1915
1920
1925
1930
1935
1940
1945
1950
1955
1960
1965
1970
1975
1980
1985
1990
1995
year
me
an
te
mp
era
ture
(°C
)
50
60
70
100
110
120
130
150
160
