Inventory of Dutch datasets for extreme value analyses
Authors: Madelon Burgmeijer and Pieter van Gelder (TU Delft)
Version: Febr. 22, 2005
Data set 1: Storm surge levels
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-data3.zip
Harl.asc, Delf.asc Held.asc Hoek.asc,Vlis.asc.
Data information
Variables: Peaks over treshold values of storm surge levels at 5 locations along the Dutch coast
Series length: winters from 1932 through 1985 during storm season October 1 through March 15.
English translation of the instruction at the beginning of the file:
* Name of place winters 1932 through 1985
* Daan S4-selection of wind setup (minimum 30 cm)
*Storm season october 1 through march 15
* consecutive date (YYYYMMDD), time (HHMM, in MET),
* high tide in cm +NAP, level corrected for 1985 in cm+NAP, wind set up in cm.
* with correction according to indication GWIA-88.236
* selection originally used by CWI
Metadata information
Geographic characteristics:
Survey location / NB / OLHarlingen / 53°10'14'' / 5°25'55''
Hoek van Holland / 51°59' / 4°07'
Den Helder / 52°58' / 4°46'
Delfzijl / 53°19'54'' / 6°55'05''
Vlissingen / 51°27' / 3°35'
Owner of the data is State Institute of Coast and Sea-The Hague. The data are available via the website of dr.ir. P.H.A.J.M. van Gelder
Data set 2: wave climate parameters
http://www.hydraulicengineering.tudelft.nl/public/gelder/golfklimaat.zip
Data information
Variables: Hm0, H1/3,HTE3, Tm02, TH1/3, Th0, wind direction, wind speed, water level , surge
Series length:
The period over which the wave climate parameters are available is:
1 January 1979- 31 December 2001
At most of the locations, survey statistics are available from 1979 onwards. At the Euro platform and Scheur west, however, the statistics begin much later, as can be seen from the table below.
location / beginning dateancillory sensor / beginning date
main sensor
K13a platform / 18 jan 1979 / 21 mrt 1985
Schiermonnikoog
noord / 24 nov 1979 / 13 apr 1989
Eierlandse Gat / 13 sep 1979 / 17 apr 1989
IJmuiden munitie
stortplaats / 12 jan 1979 / 1 apr 1989
Noordwijk
meetpost / 1 jan 1979 / 20mrt1985
Euro platform / 19 nov 1982 / 20mrt 1985
Lichteiland Goeree / - / 1 jan 1979
Schouwenbank / - / 1 jan 1979
Scheur west / 1 jan 1985 / 1 jan1985
In compiling the measured sequences, those approved from the main sensor at each location are used. The disturbances in these sequences (failure, rejected) have been supplemented, where possible, with information from the ancillory sensor. For information that was still missing after that, estimations have been made using the control and validation programme WAVIS98. As wave direction is never registered by the ancillory sensors, many more data are missing from this parameter than from wave heights and wave periods.*
*Detailed information about the net measurement duration of the main sensor, the main sensor supplemented by the ancillory sensor and the estimates can be found at the website of "Wave climate": http://www.golfklimaat.nl/index.cfm?page=uitleg.periode
Extreme values:
In addition to wave climates, this website also pays some attention to extreme values for wave heights and wave periods. A statistical technique is presented, to estimate the distribution of these variables. See:
http://www.golfklimaat.nl/index.cfm?page=extremen
The following link provides the files (Hmo....mxm, Tmo2....mxm, Tpb....mxm) which include the peaks over treshold for a set of locations at the North Sea.
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-data2.zip
Data information for these files:
Variables: Hmo, Tmo2 and Tpb(peak period)
Series lenth: 1979 through 1993
Owner of the data: State Institute of Coast and Sea- The Hague
Metadata information
Sensors:
The second table gives an overview of the range of wave-measuring instruments present at each location. Since the introduction of the wavec buoy, measurements have been carried out with two sensors at most of the locations. The table shows in chronological order, under the heading 'main sensor', which instrument functioned successively as the only sensor or as the main sensor, and, under the heading 'ancillory sensor', during which period two survey instruments were present at that location and the type of ancillory sensor. If there is more than one sensor, the buoy that measures the wave direction is always the main sensor. The ancillory sensor acts as a back-up in case the main sensor fails.
Survey Location / Main Sensor / Period / Ancillory SensorK13a platform / wave-rider/wavec/ dir. wave-rider / 1985-present / waverider
Schiermonnikoog noord / wave-rider/wavec/ dir. wave-rider / - / -
Eierlandse Gat / wave-rider/wavec/ dir. wave-rider / - / -
IJmuiden munitie stortplaats / wave-rider/wavec/dir. wave-rider / 1989-present / waverider
Noordwijk meetpost / step gauge/wavec/step gauge/radar / 1985-1991 / step gauge
Euro platform / step gauge/wavec/dir. wave-rider / 1985-present / step gauge/radar
Lichteiland Goeree / step gauge/radar / - / -
Schouwenbank / wave-rider / - / -
Scheur west / wave-rider / 1985-present / wave-rider (Deurloo)
Geographic characteristics of the sampling zone:
full name of station / survey network / x / y / NB / OL / m MSLK13a platform / Noordzee / 10.176 / 583.334 / 53º13'04" / 3º13'13" / 30
Schiermonnikoog noord / Noordzee / 206.527 / 623.483 / 53º35'44" / 6º10'00" / 19
Eierlandse Gat / Noordzee / 106.514 / 587.985 / 53º16'37" / 4º39'42" / 26
IJmuiden munitiestortplaats / Noordzee / 64.779 / 507.673 / 52º33'00" / 4º03'30" / 21
Noordwijk meetpost / Noordzee / 80.443 / 476.683 / 52º16'26" / 4º17'46" / 18
Euro platform / Noordzee / 9.963 / 447.601 / 51º59'55" / 3º16'35" / 32
Lichteiland Goeree / Noordzee / 36.779 / 438.793 / 51º55'33" / 3º40'11" / 21
Schouwenbank / ZEGE / 11.244 / 419.519 / 51º44'48" / 3º18'24" / 20
Scheur west / ZEGE / -7.797 / 380.645 / 51º23'32" / 3º02'57" / 15
Owner of the data is the department of Public Works, Transport and Water Management (ministerie van verkeer en waterstaat). The data were downloaded and are available via the website of dr. ir. P.H.A.J.M. van Gelder. The file format is .kls, they can be opened with Wordpad.
Dataset 3: River discharge data
Daily discharge data of over 200 West and Central European river stations is available at:
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-data.txt(This is a 18 MB file).
The map shows the spatial distribution of the 213 flow gauges.
EXPLANATION OF DAILY RUNOFF DATAFILES
A B C DE
______
CHINDWIN HKAMTI
334.00 9999.320.00305.00296.00292.00288.00276.00268.00264.00 1 11978
264.00256.00252.00248.00248.00244.00244.00240.00236.00236.00 2 11978
240.00240.00240.00232.00224.00216.00212.00208.00204.00200.00196.00 3 11978
196.00196.00192.00192.00192.00188.00184.00184.00184.00184.00 1 21978
180.00180.00176.00176.00168.00168.00164.00164.00160.00164.00 2 21978
168.00172.00168.00164.00164.00164.00160.00160.00 3 21978
152.00148.00144.00140.00136.00140.00140.00136.00148.00148.00 1 31978
156.00148.00140.00136.00124.00124.00120.00120.00112.00112.00 2 31978
108.00108.00104.00104.0099.00099.00097.00097.00096.00096.00097.000 3 31978
COMMENT:
A = Name of river (40 characters)
B = Name of station (40 characters max.)
C = Number of row (there are always 3 rows per month)
D = Month
E = Year
The values are in m3/s.
Data rows:
Each data row has a length of 80 characters + line-feed, where the year,
month and number of row are right-bound. There are always three rows per
month. The first 2 rows contain 10 flow-values; the third will differ from
8 to 11 values, depending on the count of days per month.
Each value consists of 6 characters. There maybe leading blanks.
Missing values will be marked with " 9999." or blanks (see 2nd Jan. 1978)
As you may recognize, in the example above the data-rows are only 76
characters of length this is because of formatting as a print-file!
Example:
February 23rd, 1978 = 168.00
The data from different stations situated in one datafile are divided by their
river- and stationname.
Data information
Variables: flow Q
Series length: The series lenths differ from a couple of years upto over 100 years.
For example the data of river Rhein at station Rees cover a period from 1814 upto 1997. There's a gap from 1841 till 1854 and 1834 is missing.
Meta data information
The coordinates of all locations are available from:
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-database-rivers.xls
Owner of the data is the Global Runoff Data Centre (GRDC) in Koblenz (Germany). The data are available via the website of dr.ir. P.H.A.J.M. van Gelder on the above URLs.
Data set 4: Wind climate
Data can be downloaded from:
http://www.knmi.nl/product/
Surf to the data sets via:
>klimatologische gegevens
> choose "english" (under,left)
>Daily wheather of the Netherlands, data sets
>Download time series
Data information
Variables:
Series length:
Station / Start / EndDen Helder (De Kooy) / 1906 / 2005
De Bilt / 1901 / 2005
Groningen (Eelde) / 1906 / 2005
Twenthe / 1951 / 2005
Vlissingen / 1906 / 2005
Maastricht (Beek) / 1906 / 2005
Metadata information
Warning: because of relocation of stations and changes in measuring techniques these time series may contain inhomogeneities.
Geographic coordinates of the stations:
Den Helder (De Kooy) / 52°55'28" / 4°47'07" / 0.5
De Bilt / 52°06'00" / 5°11'00" / 2.0
Groningen (Eelde) / 53°07'30" / 6°35'00" / 3.5
Twenthe / 52°16'23" / 6°53'48" / 34.5
Vlissingen / 51°26'32" / 3°35'46" / 8.0
Maastricht (Beek) / 50°54'57" / 5°46'37" / 114.0
Owner of the data is the ''Royal Netherlands Meteorological Institute'' These data can be used freely provided that this source is acknowledged. The data are available via the link, mentioned under "Data set 4"
The zipped files (83 kB) comprise at most 10 years of data in ASCII-format.
Data set 5: Potential wind speed
Data can be downloaded from:
http://www.knmi.nl/samenw/hydra/cgi-bin/meta_data.cgi
Data information
Variables: (hourly averaged potential wind speed)
Series lenth: Next figure shows the lenths per location. The stations with red bars are used in the determination of the statistical parameters in Rijkoort (1983) and the reproduction by Smits (2000).
Roughness maps of the netherlands are available at
http://www.knmi.nl/samenw/hydra/roughness_map/index.html
Information about extreme wind statistics can be found at the following URL.
http://www.knmi.nl/samenw/hydra/documents/background/hydra_background.htm
* RMIZ made statistical analysis to get extreme windspeeds, frequency distribution tables and data from extreme storms in the period 1962-2002. See:
http://www.knmi.nl/samenw/hydra/index.html
Metadata information
Warning: because of relocation of stations and changes in measuring techniques these time series may contain inhomogeneities.
Geographic coordinates of the stations and a graphical presentation next:
Stn, X, Y, zm, zstn, Name
008, 156971, 501253, 10.0, -4.2, Lelystad-Haven
135, 151696, 564704, 10.0, 3.0, Kornwerderzand
147, 170118, 518891, 14.0, 0.0, Urk
200, 84162, 450705, 10.0, 0.0, Ypenburg
202, 85211, 468368, 16.0, 0.0, Katwijk Paal
210, 88750, 464425, 10.0, -0.2, Valkenburg
220, 86494, 559222, 00.0, 0.0, L.S. Texel
225, 98450, 497450, 18.5, 4.4, IJmuiden
229, 110125, 556875, 10.0, 1.0, Texelhors
230, 112762, 553358, 14.0, 0.0, Den Helder
235, 114254, 549042, 10.0, 0.6, De Kooy
239, 111995, 763069, 59.2, 0.0, F3
240, 110750, 482550, 10.0, -4.4, Schiphol
242, 123800, 583850, 10.0, 0.0, Vlieland
248, 140525, 516175, 10.0, -1.2, Wijdenes
249, 127350, 517350, 10.0, -2.5, Berkhout
250, 141450, 596163, 10.0, 1.0, Terschelling
251, 152200, 600600, 10.0, 0.5, Hoorn (Tersch.)
252, 10240, 583356, 73.8, 0.0, K13
253, -50309, 940306, 103.3, 0.0, AUK-alpha
254, 80512, 476658, 27.6, 0.0, Meetpost Noordwijk
255, -73871, 1482790, 101.3, 0.0, North Cormorant
260, 140827, 456835, 20.0, 2.0, De Bilt
265, 147250, 460075, 10.0, 11.9, Soesterberg
267, 154725, 545250, 10.0, -0.9, Stavoren-AWS
268, 158345, 505543, 10.0, 0.0, Houtrib
269, 164125, 497125, 10.0, -4.0, Lelystad
270, 178970, 581970, 10.0, 1.5, Leeuwarden
271, 152850, 544400, 10.0, 2.6, Stavoren-Haven
272, 186309, 514332, 14.0, 0.0, Ramspol
273, 188850, 523975, 10.0, -3.1, Marknesse
275, 188330, 451950, 10.0, 44.4, Deelen
277, 209000, 603125, 10.0, 3.0, Lauwersoog
278, 214550, 494625, 10.0, 4.0, Heino
279, 235125, 529750, 10.0, 15.6, Hoogeveen
280, 235200, 571350, 10.0, 3.5, Eelde
283, 241400, 454500, 10.0, 29.0, Hupsel
285, 222037, 621279, 18.0, 0.0, Huibertgat
286, 272775, 580150, 10.0, 0.2, Nieuw Beerta
290, 257978, 477076, 10.0, 34.5, Twenthe
308, 15010, 378610, 17.1, 0.0, Cadzand
310, 30475, 385125, 27.0, 8.0, Vlissingen
311, 35636, 377878, 16.5, 0.0, Hoofdplaat
312, 32824, 421369, 16.5, 0.0, Oosterschelde
313, 6038, 392714, 16.5, 0.0, Vlakte van de Raan
315, 58390, 384990, 16.0, 0.0, Hansweert
316, 37852, 408733, 16.5, 0.0, Schaar
320, 36662, 437913, 38.3, 0.0, L.E. Goeree
321, 10044, 447580, 29.1, 0.0, Europlatform
323, 51250, 394325, 10.0, 0.7, Wilhelminadorp
324, 59300, 401630, 16.5, 0.0, Stavenisse
325, 54186, 408196, 10.0, -4.0, Zierikzee
328, 46646, 409836, 10.0, -0.2, Roggenplaat
330, 65550, 445050, 15.0, 0.0, Hoek van Holland
331, 72030, 388524, 16.5, 0.0, Tholen
340, 82820, 384700, 10.0, 14.9, Woensdrecht
343, 81025, 434250, 10.0, 0.0, R'dam Geulhaven
344, 90125, 441000, 10.0, -4.8, Zestienhoven
348, 123350, 442580, 10.0, -0.7, Cabauw
350, 123731, 397594, 10.0, 11.1, Gilze-Rijen
356, 138300, 429900, 10.0, 0.9, Herwijnen
370, 156800, 383950, 10.0, 20.3, Eindhoven
375, 177000, 407500, 10.0, 21.1, Volkel
377, 181300, 356375, 10.0, 30.0, Ell
380, 182614, 325240, 10.0, 125.6, Beek
391, 211100, 390150, 10.0, 19.0, Arcen
601, 179080, 373378, 00.0, 0.0, Someren
603, 209248, 481154, 00.0, 0.0, Diepenveen
Owner of the data is the ''Royal Netherlands Meteorological Institute'' These data can be used freely provided that this source is acknowledged. The data are available via the link, mentioned under "Data set 5"
The zipped files comprise the available period of data in ASCII-format, for W95/XP systems, or UNIX systems.