Meeting of COST-ES0601 (HOME)Mallorca 25-27 JAN 2010

“Results of Intercomparison on Monthly Benchmark”

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Kolokythas KostasPatras, Greece

Outline

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

NetworkMethod ResultsRemarks

Network- Data Series: temp/sur1/000001- Mean minimum monthly temperature series (1900-1999)- 9 stations

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

Missing Values:

- Observatori de l'Ebre-Roquetes 5 (DEC.: 6)- Aeroport de Reus 22- Aeroport de Barcelona 1- Flix 26- Tivissa 2- Lleida 17- Vila-seca 10- Caldes de Montbui -- Cardedeu 13

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

- MASH Multiple Analysis of Series for Homogenisation

(Szentimerey) - Statistical significance for break-point detection: 0.05

Procedure : - Filling of missing values: SAMMISS.BAT - Monthly outliers found: MASHLIER.BAT - Break-point detection-correction : MASHGAME.BAT, MASHGAUT.BAT, MASHCOR.BAT - Verification of homogenisation: samveri.bat

Method

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

OutliersOutliers  1 2 3 4 5 6 7 8 9 10 11 12

hotnm00000050d

hotnm00000060d 1974/75

hotnm00000070d 1935/36 1957/58

hotnm00000100d 1979/80 1931/32 1964/65 1959/60

hotnm00000110d

hotnm00000120d 1980/81 1966/67 1932/33

hotnm00000130d 1930/31 1978/79 1955/56 1989/90 1956/57 1966/67

hotnm00000150d 1951/52 1942/43

hotnm00000160d

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, MallorcaBreaks  1 2 3 4 5 6 7 8 9 10 11 12

hotnm00000050d.txt

  1928 1978

  1905 1930

1928 1939 1983

1928 1906 1929

1927       1974

hotnm00000060d.txt

1947 1953

1947 1952

1947 1951

1947 1952 1972

1947 1952 1974

1935 1944 1959 1963 1972 1975

1972 1952 1972 1974

1947 1967 1971

1946 1946 1952 1984

hotnm00000070d.txt

        1959 1959

1953 1977

  1934 1953 1972 1978 1983

       

hotnm00000100d.txt

    1962 1962 1982

1982 1992

1982 1990

1968 1972 1982

1983 1982   1935 1938 1960 1962

 

hotnm00000110d.txt

                       

honm00000120d.txt1925 1987

1928 1955

            1967 1978 1957 1976 1990

1962 1976

hotnm00000130d.txt

1930 1931 1964

1964 1964 1953 1965

  1936   1936 1962

1935 1962

  1963  

hotnm00000150d.txt

1907 1929 1939 1963 1982 1994

1905 1908 1929 1939 1981 1982

1906 1929 1939 1978 1989 1995

1907 1929 1939 1986

1905 1929 1945 1961 1988

1905 1915 1929 1942 1951 1961

1907 1928 1940 1960

1905 1928 1940 1961

1906 1928 1943 1961

1905 1928 1942 1978 1994

1905 1920 1928 1954 1976 1981 1993

1905 1906 1914 1928 1939 1981 1986 1993

hotnm00000160d.txt

            1933 1932     1933  

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

st8 1 2 3 4 5 6 7 8 9 10 11 121905

1906

1907

st8 1 2 3 4 5 6 7 8 9 10 11 12

1928

1929

st8 1 2 3 4 5 6 7 8 9 10 11 121939

1940

st8 1 2 3 4 5 6 7 8 9 10 11 121961

st8 1 2 3 4 5 6 7 8 9 10 11 121981

1982

hotnm00000150d - Caldes de Montbui

Examples of consequent break-points

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

st2 1 2 3 4 5 6 7 8 9 10 11 12

1946

1947

st2 1 2 3 4 5 6 7 8 9 10 11 12

1952

1953

hotnm00000060d - Aeroport de Reus

st4 1 2 3 4 5 6 7 8 9 10 11 12

1982

hotnm00000100d - Flix

Examples of consequent break-points

Annual inhomogeneities

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

Remarks

Numerous break-points for a single station in a row (hotnm00000150d.txt: Caldes de Montbui) Verification of homogenization- Monthly series: problem with 9th and 11th - Sesonal – Anual series: need for additional homogenization

Need for Metadata

LABORATORY OF ATMOSPHERIC PHYSICS, UNIVERSITY OF PATRAS

Meeting of COST-ES0601, Mallorca

Thank you for your attention